From 81a7177105c0f8bfabb81b2a7ced9e3a565fd660 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Tue, 10 Sep 2019 11:52:08 -0700
Subject: [PATCH 01/25] Configured VCR to filter_sensitive_data for slack token

---
 test/test_helper.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/test/test_helper.rb b/test/test_helper.rb
index 90aeb408..0887ede9 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -8,10 +8,19 @@
 require 'minitest/reporters'
 require 'minitest/skip_dsl'
 require 'vcr'
+require "dotenv"
+Dotenv.load
 
 Minitest::Reporters.use! Minitest::Reporters::SpecReporter.new
 
 VCR.configure do |config|
   config.cassette_library_dir = "test/cassettes"
   config.hook_into :webmock
+  
+  # Don't leave our token lying around in a cassette file.
+  config.filter_sensitive_data("<SLACK_API_TOKEN>") do
+    ENV["SLACK_API_TOKEN"]
+  end
 end
+
+

From 015d86d89fac0bdeb9885d5370ced1e46a5c302b Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Tue, 10 Sep 2019 16:13:38 -0700
Subject: [PATCH 02/25] Initialized User class. Added list method

---
 lib/user.rb | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 lib/user.rb

diff --git a/lib/user.rb b/lib/user.rb
new file mode 100644
index 00000000..c5d277e2
--- /dev/null
+++ b/lib/user.rb
@@ -0,0 +1,24 @@
+
+
+class User < Recipient
+  attr_reader :real_name, :status_text, :status_emoji
+  
+  def initialize(real_name:, status_text: nil , status_emoji: nil, slack_id:, name:)
+    super(slack_id: slack_id, name: name)
+    @real_name = real_name
+    @status_text = status_text
+    @status_emoji = status_emoji
+  end
+  
+  # def details
+  # end
+  
+  def self.list
+    response = self.get("https://slack.com/api/users.list", ENV["SLACK_TOKEN"])
+
+    members = response["members"].map do |member|
+      self.new(slack_id: member["id"],  name: member["name"], real_name: member["real_name"] )
+    end
+    return members
+  end
+end

From 975cf00ab888a94d67ae1a021bf48b3872c3d7f2 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Tue, 10 Sep 2019 16:14:24 -0700
Subject: [PATCH 03/25] Initialized Channel class. Added list method

---
 lib/channel.rb | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 lib/channel.rb

diff --git a/lib/channel.rb b/lib/channel.rb
new file mode 100644
index 00000000..a2653d7e
--- /dev/null
+++ b/lib/channel.rb
@@ -0,0 +1,24 @@
+
+
+class Channel < Recipient
+  attr_reader :topic, :member_count
+  
+  def initialize(topic: , member_count: , slack_id: , name: )
+    super(slack_id: slack_id, name: name)
+    @topic = topic
+    @member_count = member_count
+  end
+  
+  # def details
+  # end
+  
+  def self.list
+    response = self.get("https://slack.com/api/channels.list", ENV["SLACK_TOKEN"])
+    
+    # ap response
+    members = response["channels"].map do |channel|
+      self.new(slack_id: channel["id"], name: channel["name"], topic: channel["topic"]["value"], member_count: channel["members"].length )
+    end
+    return members
+  end
+end

From 78996c0fa3136ba914a7b6bc6081a561f5f27cca Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Tue, 10 Sep 2019 16:15:14 -0700
Subject: [PATCH 04/25] Initialized Recipient class. Added get method

---
 lib/recipient.rb | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 lib/recipient.rb

diff --git a/lib/recipient.rb b/lib/recipient.rb
new file mode 100644
index 00000000..8a9a0e45
--- /dev/null
+++ b/lib/recipient.rb
@@ -0,0 +1,35 @@
+class Recipient
+  attr_reader :slack_id, :name
+  
+  def initialize(slack_id: slack_id, name: name)
+    @slack_id = slack_id
+    @name = name
+  end
+  
+  # def send_message(message)
+  # end
+  
+  def self.get(url, params)
+    query = {
+      token: params 
+    }
+  
+    response = HTTParty.get(url, query: query)
+    
+    if response["error"]
+      raise SlackApiError.new "#{response.code}: #{response.message} -- #{response["error"]}"
+    end
+    
+    return response
+  end
+  
+  def details
+    
+  end
+  
+  def self.list
+    raise NotImplementedError.new "Implement me in a child class"
+  end
+  
+  
+end

From 5200a35c643008422ff8da361b3e16d9265e4801 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Tue, 10 Sep 2019 16:16:49 -0700
Subject: [PATCH 05/25] Implemented SlackApiError

---
 lib/slack_api_error.rb | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 lib/slack_api_error.rb

diff --git a/lib/slack_api_error.rb b/lib/slack_api_error.rb
new file mode 100644
index 00000000..e65f8de8
--- /dev/null
+++ b/lib/slack_api_error.rb
@@ -0,0 +1 @@
+class SlackApiError < StandardError; end

From ad3997a1cf0b10ed33b84ce9d9dfdfcdadd3d4cc Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Tue, 10 Sep 2019 16:17:25 -0700
Subject: [PATCH 06/25] Initialized Workspace class

---
 lib/workspace.rb | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 lib/workspace.rb

diff --git a/lib/workspace.rb b/lib/workspace.rb
new file mode 100644
index 00000000..559936e3
--- /dev/null
+++ b/lib/workspace.rb
@@ -0,0 +1,34 @@
+require 'httparty'
+require 'awesome_print'
+require 'pry'
+require 'table_print'
+require 'dotenv'
+Dotenv.load
+
+require_relative 'slack_api_error'
+require_relative 'recipient'
+require_relative 'channel'
+require_relative 'user'
+
+class Workspace
+  attr_reader :users, :channels, :selected
+  
+  def initialize
+    @users = User.list
+    @channels = Channel.list 
+    @selected = nil
+  end
+  
+  def select_channel
+  end
+  
+  def select_user
+
+  end
+  
+  def show_details
+  end
+  
+  def send_message
+  end
+end

From 0255edec8f4fafe0539262375ef86437dd4c397c Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Tue, 10 Sep 2019 16:18:22 -0700
Subject: [PATCH 07/25] Implemented Wave 1

---
 lib/slack.rb | 63 ++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 59 insertions(+), 4 deletions(-)

diff --git a/lib/slack.rb b/lib/slack.rb
index 960cf2f7..c63283b8 100755
--- a/lib/slack.rb
+++ b/lib/slack.rb
@@ -1,11 +1,66 @@
 #!/usr/bin/env ruby
+require_relative 'workspace'
 
 def main
+  workspace = Workspace.new
+  
+  
   puts "Welcome to the Ada Slack CLI!"
-
-  # TODO project
-
+  puts "The number of channels is #{workspace.channels.length}."
+  puts "The number of users is #{workspace.users.length}"
+  
+  puts "Do you want to list users, list channels, or quit?"
+  search = gets.chomp.downcase
+  until search == "quit"
+    
+    case search 
+    when "quit"
+      exit
+    when "list users", "users"
+      workspace.users.each do |user|
+        puts
+        puts "Username: #{user.name}" 
+        puts "Real Name: #{user.real_name}"
+        puts "Slack ID: #{user.slack_id}"
+      end 
+      puts
+      puts "Do you want to list users, list channels, or quit?"
+      search = gets.chomp.downcase
+    when "list channels", "channels"
+      workspace.channels.each do |channel|
+        puts
+        puts "Channel name: #{channel.name}"
+        puts "Topic: #{channel.topic}"
+        puts "Member count: #{channel.member_count}"
+        puts "Slack ID: #{channel.slack_id}"
+      end 
+      puts
+      puts "Do you want to list users, list channels, or quit?"
+      search = gets.chomp.downcase
+    end
+  end
+  
   puts "Thank you for using the Ada Slack CLI"
 end
 
-main if __FILE__ == $PROGRAM_NAME
\ No newline at end of file
+main if __FILE__ == $PROGRAM_NAME
+
+
+
+
+# url = "https://slack.com/api/channels.list"
+# key = ENV["SLACK_TOKEN"]
+
+# query = {
+#   token: key
+# }
+
+# response = HTTParty.get(url, query: query)
+
+# if response["error"]
+#   raise StandardError.new "#{response.code}: #{response.message} -- #{response["error"]}"
+# end
+
+# response["channels"].each_with_index do |channel, index|
+#   puts "#{index + 1}. #{channel["name"]}"
+# end

From 8e430782bb363f7f1436dafe0bd946b750ca4abd Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Tue, 10 Sep 2019 17:07:48 -0700
Subject: [PATCH 08/25] Implemented User tests for #initialize and #list_users

---
 test/user_test.rb | 74 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 test/user_test.rb

diff --git a/test/user_test.rb b/test/user_test.rb
new file mode 100644
index 00000000..ddd2d6c8
--- /dev/null
+++ b/test/user_test.rb
@@ -0,0 +1,74 @@
+require_relative "test_helper"
+
+describe "User" do 
+  describe "initialize" do
+    before do
+      @user = User.new(real_name: "Bob", slack_id: "1234", name: "Bobiscool")
+    end
+    it "creates instance of User" do
+      VCR.use_cassette("initialize_user") do
+        expect(@user).must_be_kind_of User
+      end
+    end
+    
+    it "responds to variable names" do
+      VCR.use_cassette("initialize_user") do
+        [:real_name, :slack_id, :name].each do |variable|
+          expect(@user).must_respond_to variable
+        end
+      end
+    end
+    
+    it "creates accurate attributes" do
+      VCR.use_cassette("initialize_user") do
+        expect(@user.real_name).must_be_kind_of String
+        expect(@user.real_name).must_equal "Bob"
+        
+        expect(@user.name).must_be_kind_of String
+        expect(@user.name).must_equal "Bobiscool"
+        
+        expect(@user.slack_id).must_be_kind_of String
+        expect(@user.slack_id).must_equal "1234"
+      end
+    end
+  end
+end
+
+describe "list method" do 
+  it "self.list returns an array of users" do 
+    VCR.use_cassette("list_users") do 
+      results = User.list 
+      expect(results).must_be_instance_of Array 
+      results.each do |result|
+        expect(result).must_be_instance_of User
+        
+      end 
+    end 
+  end 
+  
+  it "returns accurate information" do
+    VCR.use_cassette("list_users") do 
+      results = User.list
+      p results
+      
+      info = [
+        {slack_id: "USLACKBOT", name: "slackbot", real_name: "Slackbot"},
+        {slack_id: "UMURTAYP5", name:"juliabouv", real_name:"Julia Bouvier"},
+        {slack_id:"UN863PN23", name:"amalh.a97", real_name:"Amal"}
+      ]
+      
+      results.each_with_index do |result, index|
+        expect(result.slack_id).must_be_kind_of String
+        expect(result.slack_id).must_equal info[index][:slack_id]
+        
+        expect(result.name).must_be_kind_of String
+        expect(result.name).must_equal info[index][:name]
+        
+        expect(result.real_name).must_be_kind_of String
+        expect(result.real_name).must_equal info[index][:real_name]
+      end
+    end
+  end
+end 
+
+

From cef385ac5885aeafd464335034059ac5b17a30f4 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Tue, 10 Sep 2019 17:08:23 -0700
Subject: [PATCH 09/25] Updated requires

---
 test/test_helper.rb | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/test/test_helper.rb b/test/test_helper.rb
index 0887ede9..43181ae1 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -2,14 +2,21 @@
 SimpleCov.start do
   add_filter 'test/'
 end
+require "dotenv"
+Dotenv.load
 
 require 'minitest'
 require 'minitest/autorun'
 require 'minitest/reporters'
 require 'minitest/skip_dsl'
 require 'vcr'
-require "dotenv"
-Dotenv.load
+require 'webmock/minitest'
+require 'httparty'
+
+require_relative '../lib/slack_api_error'
+require_relative '../lib/recipient'
+require_relative '../lib/channel'
+require_relative '../lib/user'
 
 Minitest::Reporters.use! Minitest::Reporters::SpecReporter.new
 
@@ -18,8 +25,8 @@
   config.hook_into :webmock
   
   # Don't leave our token lying around in a cassette file.
-  config.filter_sensitive_data("<SLACK_API_TOKEN>") do
-    ENV["SLACK_API_TOKEN"]
+  config.filter_sensitive_data("<SLACK_TOKEN>") do
+    ENV["SLACK_TOKEN"]
   end
 end
 

From 7772e1abd61eb201130b03a61dbd314dac26b06e Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Tue, 10 Sep 2019 17:19:53 -0700
Subject: [PATCH 10/25] Implemented Channel tests for #initialize and
 #list_users

---
 test/channel_test.rb | 76 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 test/channel_test.rb

diff --git a/test/channel_test.rb b/test/channel_test.rb
new file mode 100644
index 00000000..2bab59a9
--- /dev/null
+++ b/test/channel_test.rb
@@ -0,0 +1,76 @@
+require_relative "test_helper"
+
+describe "Channel" do
+  describe "#initialize" do
+    before do
+      @channel = Channel.new(topic: "cool_things", member_count: 5, slack_id: "4321", name: "ThisIsAPlace")
+    end
+    it "creates instance of Channel" do
+      VCR.use_cassette("initialize_channel") do
+        expect(@channel).must_be_kind_of Channel
+      end
+    end
+    
+    it "responds to variable names" do
+      VCR.use_cassette("initialize_channel") do
+        [:topic, :member_count, :slack_id, :name].each do |variable|
+          expect(@channel).must_respond_to variable
+        end
+      end
+    end
+    
+    it "creates accurate attributes" do
+      VCR.use_cassette("initialize_channel") do
+        expect(@channel.topic).must_be_kind_of String
+        expect(@channel.topic).must_equal "cool_things"
+        
+        expect(@channel.member_count).must_be_kind_of Integer
+        expect(@channel.member_count).must_equal 5
+        
+        expect(@channel.slack_id).must_be_kind_of String
+        expect(@channel.slack_id).must_equal "4321"
+        
+        expect(@channel.name).must_be_kind_of String
+        expect(@channel.name).must_equal "ThisIsAPlace"
+      end
+    end
+  end
+  
+  describe "list method" do 
+    it "self.list returns an array of Channels" do 
+      VCR.use_cassette("list_channels") do 
+        results = Channel.list 
+        expect(results).must_be_instance_of Array 
+        results.each do |result|
+          expect(result).must_be_instance_of Channel
+        end 
+      end 
+    end 
+    
+    it "returns accurate information" do
+      VCR.use_cassette("list_channels") do 
+        results = Channel.list
+        
+        info = [
+          {slack_id: "CN5RT17J8", name: "random", topic: "Non-work banter and water cooler conversation", member_count: 2},
+          {slack_id: "CN862L6AK", name: "general", topic: "Company-wide announcements and work-based matters", member_count: 2},
+          {slack_id: "CN862LB8F", name: "awesome-slack-cli-design-activity", topic: "Discussing the amazing things that are happening here.", member_count: 2},
+        ]
+        
+        results.each_with_index do |result, index|
+          expect(result.slack_id).must_be_kind_of String
+          expect(result.slack_id).must_equal info[index][:slack_id]
+          
+          expect(result.name).must_be_kind_of String
+          expect(result.name).must_equal info[index][:name]
+          
+          expect(result.topic).must_be_kind_of String
+          expect(result.topic).must_equal info[index][:topic]
+
+          expect(result.member_count).must_be_kind_of Integer
+          expect(result.member_count).must_equal info[index][:member_count]
+        end
+      end
+    end
+  end
+end

From b1cc13a11af2e9a9cd2e0c531a7def237259d4f2 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Tue, 10 Sep 2019 17:21:28 -0700
Subject: [PATCH 11/25] Formatting updates

---
 lib/channel.rb    | 2 --
 lib/slack.rb      | 4 ++++
 lib/user.rb       | 3 +--
 test/user_test.rb | 1 -
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/channel.rb b/lib/channel.rb
index a2653d7e..be7aa7ae 100644
--- a/lib/channel.rb
+++ b/lib/channel.rb
@@ -1,5 +1,3 @@
-
-
 class Channel < Recipient
   attr_reader :topic, :member_count
   
diff --git a/lib/slack.rb b/lib/slack.rb
index c63283b8..b84b2c00 100755
--- a/lib/slack.rb
+++ b/lib/slack.rb
@@ -17,6 +17,8 @@ def main
     when "quit"
       exit
     when "list users", "users"
+      puts
+      puts "Listing Users..."
       workspace.users.each do |user|
         puts
         puts "Username: #{user.name}" 
@@ -27,6 +29,8 @@ def main
       puts "Do you want to list users, list channels, or quit?"
       search = gets.chomp.downcase
     when "list channels", "channels"
+      puts
+      "Listing Channels..."
       workspace.channels.each do |channel|
         puts
         puts "Channel name: #{channel.name}"
diff --git a/lib/user.rb b/lib/user.rb
index c5d277e2..f604b765 100644
--- a/lib/user.rb
+++ b/lib/user.rb
@@ -1,5 +1,3 @@
-
-
 class User < Recipient
   attr_reader :real_name, :status_text, :status_emoji
   
@@ -22,3 +20,4 @@ def self.list
     return members
   end
 end
+
diff --git a/test/user_test.rb b/test/user_test.rb
index ddd2d6c8..a7ebf34d 100644
--- a/test/user_test.rb
+++ b/test/user_test.rb
@@ -49,7 +49,6 @@
   it "returns accurate information" do
     VCR.use_cassette("list_users") do 
       results = User.list
-      p results
       
       info = [
         {slack_id: "USLACKBOT", name: "slackbot", real_name: "Slackbot"},

From ea8f69763b61934b728652ebec784499d0294dc6 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Tue, 10 Sep 2019 17:21:28 -0700
Subject: [PATCH 12/25] Formatting updates

---
 lib/channel.rb    | 2 --
 lib/recipient.rb  | 4 ++--
 lib/slack.rb      | 4 ++++
 lib/user.rb       | 3 +--
 test/user_test.rb | 1 -
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/lib/channel.rb b/lib/channel.rb
index a2653d7e..be7aa7ae 100644
--- a/lib/channel.rb
+++ b/lib/channel.rb
@@ -1,5 +1,3 @@
-
-
 class Channel < Recipient
   attr_reader :topic, :member_count
   
diff --git a/lib/recipient.rb b/lib/recipient.rb
index 8a9a0e45..a4bbb61f 100644
--- a/lib/recipient.rb
+++ b/lib/recipient.rb
@@ -24,11 +24,11 @@ def self.get(url, params)
   end
   
   def details
-    
+    raise NotImplementedError.new "Implement me in a child class!"
   end
   
   def self.list
-    raise NotImplementedError.new "Implement me in a child class"
+    raise NotImplementedError.new "Implement me in a child class!"
   end
   
   
diff --git a/lib/slack.rb b/lib/slack.rb
index c63283b8..b84b2c00 100755
--- a/lib/slack.rb
+++ b/lib/slack.rb
@@ -17,6 +17,8 @@ def main
     when "quit"
       exit
     when "list users", "users"
+      puts
+      puts "Listing Users..."
       workspace.users.each do |user|
         puts
         puts "Username: #{user.name}" 
@@ -27,6 +29,8 @@ def main
       puts "Do you want to list users, list channels, or quit?"
       search = gets.chomp.downcase
     when "list channels", "channels"
+      puts
+      "Listing Channels..."
       workspace.channels.each do |channel|
         puts
         puts "Channel name: #{channel.name}"
diff --git a/lib/user.rb b/lib/user.rb
index c5d277e2..f604b765 100644
--- a/lib/user.rb
+++ b/lib/user.rb
@@ -1,5 +1,3 @@
-
-
 class User < Recipient
   attr_reader :real_name, :status_text, :status_emoji
   
@@ -22,3 +20,4 @@ def self.list
     return members
   end
 end
+
diff --git a/test/user_test.rb b/test/user_test.rb
index ddd2d6c8..a7ebf34d 100644
--- a/test/user_test.rb
+++ b/test/user_test.rb
@@ -49,7 +49,6 @@
   it "returns accurate information" do
     VCR.use_cassette("list_users") do 
       results = User.list
-      p results
       
       info = [
         {slack_id: "USLACKBOT", name: "slackbot", real_name: "Slackbot"},

From 42d337262ca582ebb36e59a6b7f534cf1c7e57de Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Wed, 11 Sep 2019 13:53:15 -0700
Subject: [PATCH 13/25] Implemented Recipient tests

---
 test/recipient_test.rb | 65 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 test/recipient_test.rb

diff --git a/test/recipient_test.rb b/test/recipient_test.rb
new file mode 100644
index 00000000..db3ed97a
--- /dev/null
+++ b/test/recipient_test.rb
@@ -0,0 +1,65 @@
+require_relative "test_helper"
+
+
+describe "Recipient" do
+  before do
+    @recipient = Recipient.new(slack_id: "thisisanid", name: "thisisaname")
+  end
+  describe "#initialize" do
+    it "creates instance of Recipient" do
+      VCR.use_cassette("initialize_recipient") do
+        expect(@recipient).must_be_kind_of Recipient
+      end
+    end
+    
+    it "responds to variable names" do
+      VCR.use_cassette("initialize_recipient") do
+        [:slack_id, :name].each do |variable|
+          expect(@recipient).must_respond_to variable
+        end
+      end
+    end
+    
+    it "creates accurate attributes" do
+      VCR.use_cassette("initialize_recipient") do
+        expect(@recipient.slack_id).must_be_kind_of String
+        expect(@recipient.slack_id).must_equal "thisisanid"
+        
+        expect(@recipient.name).must_be_kind_of String
+        expect(@recipient.name).must_equal "thisisaname"
+        
+      end
+    end  
+  end
+  
+  describe "get" do
+    it "response is not nil" do
+      VCR.use_cassette("get_recipient_api") do
+        response = Recipient.get("https://slack.com/api/users.list", ENV["SLACK_TOKEN"])
+        expect(response).wont_be_nil
+      end
+    end
+    
+    it "raises exception if there is an error in API response" do
+      VCR.use_cassette("get_recipient_api_error") do
+        expect { Recipient.get("https://slack.com/api/users.list", "bad_token") }.must_raise SlackApiError
+      end
+    end
+  end
+  
+  describe "#details" do
+    it "raises NotImplementedError" do
+      VCR.use_cassette("recipient_details_error") do
+        expect{ @recipient.details }.must_raise NotImplementedError
+      end
+    end
+  end
+  
+  describe "list" do
+    it "raises NotImplementedError" do
+      VCR.use_cassette("recipient_list_error") do
+        expect{ Recipient.list }.must_raise NotImplementedError
+      end
+    end
+  end
+end

From bd41da6260b1bc0b6e1cfaf0bd58aa4436ae7a04 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Wed, 11 Sep 2019 14:33:16 -0700
Subject: [PATCH 14/25] Implemented Workspace tests

---
 test/test_helper.rb    |  1 +
 test/workspace_test.rb | 43 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 test/workspace_test.rb

diff --git a/test/test_helper.rb b/test/test_helper.rb
index 43181ae1..7a9d058c 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -17,6 +17,7 @@
 require_relative '../lib/recipient'
 require_relative '../lib/channel'
 require_relative '../lib/user'
+require_relative '../lib/workspace'
 
 Minitest::Reporters.use! Minitest::Reporters::SpecReporter.new
 
diff --git a/test/workspace_test.rb b/test/workspace_test.rb
new file mode 100644
index 00000000..1a29e882
--- /dev/null
+++ b/test/workspace_test.rb
@@ -0,0 +1,43 @@
+require_relative "test_helper"
+describe "Workspace" do
+  before do
+    VCR.use_cassette("construct_workspace") do
+      @workspace = Workspace.new
+    end
+  end
+  
+  describe "#initialize" do
+    it "creates instance of Workspace" do
+      expect(@workspace).must_be_kind_of Workspace
+    end
+    
+    it "responds to variable names" do
+      [:users, :channels, :selected].each do |variable|
+        expect(@workspace).must_respond_to variable
+      end
+    end
+    
+    it "creates accurate attributes" do
+      expect(@workspace.users).must_be_kind_of Array
+      @workspace.users.each do |user|
+        expect(user).must_be_instance_of User
+      end
+      
+      expect(@workspace.channels).must_be_kind_of Array
+      @workspace.channels.each do |channel|
+        expect(channel).must_be_instance_of Channel
+      end
+      
+      expect(@workspace.selected).must_be_nil
+    end
+  end
+  
+  xdescribe "#send_message" do
+    it "can send a valid message" do
+      response = @workspace.send_message("This is a message", "general")
+      
+      expect(response).wont_be_nil
+      expect(response).must_equal true
+    end
+  end
+end

From 16b192e32ee3fb22e22e77e1347ffbc641081c04 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Wed, 11 Sep 2019 14:49:06 -0700
Subject: [PATCH 15/25] Implemented #details method

---
 lib/channel.rb | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/lib/channel.rb b/lib/channel.rb
index be7aa7ae..e7f93247 100644
--- a/lib/channel.rb
+++ b/lib/channel.rb
@@ -7,8 +7,17 @@ def initialize(topic: , member_count: , slack_id: , name: )
     @member_count = member_count
   end
   
-  # def details
-  # end
+  def details
+    details = """
+    Channel Details:
+    Slack ID: #{@slack_id}
+    Name: #{@name}
+    Topic: #{@topic}
+    Member Count: #{@member_count}
+    """
+
+    return details
+  end
   
   def self.list
     response = self.get("https://slack.com/api/channels.list", ENV["SLACK_TOKEN"])

From 7c42a24ee982d0ba21afd90d8d4c4ac47fb163c4 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Wed, 11 Sep 2019 14:53:38 -0700
Subject: [PATCH 16/25] Implemented #details method

---
 lib/user.rb | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/lib/user.rb b/lib/user.rb
index f604b765..4eebe708 100644
--- a/lib/user.rb
+++ b/lib/user.rb
@@ -8,8 +8,18 @@ def initialize(real_name:, status_text: nil , status_emoji: nil, slack_id:, name
     @status_emoji = status_emoji
   end
   
-  # def details
-  # end
+  def details
+    details = """
+    User Details:
+    Slack ID: #{@slack_id}
+    Username: #{@name}
+    Real Name: #{@real_name}
+    Status Text: #{@status_text}
+    Status Emoji: #{@status_emoji}
+    """
+
+    return details
+  end
   
   def self.list
     response = self.get("https://slack.com/api/users.list", ENV["SLACK_TOKEN"])

From 65a50fe31e29e297ea28b3e33426c92d46a55f25 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Wed, 11 Sep 2019 15:02:06 -0700
Subject: [PATCH 17/25] Implemented #details tests

---
 test/user_test.rb | 80 ++++++++++++++++++++++++++---------------------
 1 file changed, 45 insertions(+), 35 deletions(-)

diff --git a/test/user_test.rb b/test/user_test.rb
index a7ebf34d..e8be1b13 100644
--- a/test/user_test.rb
+++ b/test/user_test.rb
@@ -1,10 +1,10 @@
 require_relative "test_helper"
 
 describe "User" do 
+  before do
+    @user = User.new(real_name: "Bob", slack_id: "1234", name: "Bobiscool")
+  end
   describe "initialize" do
-    before do
-      @user = User.new(real_name: "Bob", slack_id: "1234", name: "Bobiscool")
-    end
     it "creates instance of User" do
       VCR.use_cassette("initialize_user") do
         expect(@user).must_be_kind_of User
@@ -32,42 +32,52 @@
       end
     end
   end
-end
+  
+  describe "#details" do
+    it "must return something" do
+      expect (@user.details).wont_be_nil
+    end
 
-describe "list method" do 
-  it "self.list returns an array of users" do 
-    VCR.use_cassette("list_users") do 
-      results = User.list 
-      expect(results).must_be_instance_of Array 
-      results.each do |result|
-        expect(result).must_be_instance_of User
-        
+    it "must return accurate info" do
+      expect (@user.details).must_include "Bob"
+      expect (@user.details).must_include "1234"
+      expect (@user.details).must_include "Bobiscool"
+    end
+  end
+  
+  describe "list method" do 
+    it "self.list returns an array of users" do 
+      VCR.use_cassette("list_users") do 
+        results = User.list 
+        expect(results).must_be_instance_of Array 
+        results.each do |result|
+          expect(result).must_be_instance_of User
+          
+        end 
       end 
     end 
-  end 
-  
-  it "returns accurate information" do
-    VCR.use_cassette("list_users") do 
-      results = User.list
-      
-      info = [
-        {slack_id: "USLACKBOT", name: "slackbot", real_name: "Slackbot"},
-        {slack_id: "UMURTAYP5", name:"juliabouv", real_name:"Julia Bouvier"},
-        {slack_id:"UN863PN23", name:"amalh.a97", real_name:"Amal"}
-      ]
-      
-      results.each_with_index do |result, index|
-        expect(result.slack_id).must_be_kind_of String
-        expect(result.slack_id).must_equal info[index][:slack_id]
+    
+    it "returns accurate information" do
+      VCR.use_cassette("list_users") do 
+        results = User.list
         
-        expect(result.name).must_be_kind_of String
-        expect(result.name).must_equal info[index][:name]
+        info = [
+          {slack_id: "USLACKBOT", name: "slackbot", real_name: "Slackbot"},
+          {slack_id: "UMURTAYP5", name:"juliabouv", real_name:"Julia Bouvier"},
+          {slack_id:"UN863PN23", name:"amalh.a97", real_name:"Amal"}
+        ]
         
-        expect(result.real_name).must_be_kind_of String
-        expect(result.real_name).must_equal info[index][:real_name]
+        results.each_with_index do |result, index|
+          expect(result.slack_id).must_be_kind_of String
+          expect(result.slack_id).must_equal info[index][:slack_id]
+          
+          expect(result.name).must_be_kind_of String
+          expect(result.name).must_equal info[index][:name]
+          
+          expect(result.real_name).must_be_kind_of String
+          expect(result.real_name).must_equal info[index][:real_name]
+        end
       end
     end
-  end
-end 
-
-
+  end 
+end

From 87bc46adc568b6493c36c87f9bafda57f96a3103 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Wed, 11 Sep 2019 15:04:13 -0700
Subject: [PATCH 18/25] Implemented #details tests

---
 test/channel_test.rb | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/test/channel_test.rb b/test/channel_test.rb
index 2bab59a9..2cf862a2 100644
--- a/test/channel_test.rb
+++ b/test/channel_test.rb
@@ -1,10 +1,10 @@
 require_relative "test_helper"
 
 describe "Channel" do
+  before do
+    @channel = Channel.new(topic: "cool_things", member_count: 5, slack_id: "4321", name: "ThisIsAPlace")
+  end
   describe "#initialize" do
-    before do
-      @channel = Channel.new(topic: "cool_things", member_count: 5, slack_id: "4321", name: "ThisIsAPlace")
-    end
     it "creates instance of Channel" do
       VCR.use_cassette("initialize_channel") do
         expect(@channel).must_be_kind_of Channel
@@ -36,6 +36,19 @@
     end
   end
   
+  describe "#details" do
+    it "must return something" do
+      expect (@channel.details).wont_be_nil
+    end
+
+    it "must return accurate info" do
+      expect (@channel.details).must_include "cool_things"
+      expect (@channel.details).must_include "5"
+      expect (@channel.details).must_include "4321"
+      expect (@channel.details).must_include "ThisIsAPlace"
+    end
+  end
+  
   describe "list method" do 
     it "self.list returns an array of Channels" do 
       VCR.use_cassette("list_channels") do 
@@ -66,7 +79,7 @@
           
           expect(result.topic).must_be_kind_of String
           expect(result.topic).must_equal info[index][:topic]
-
+          
           expect(result.member_count).must_be_kind_of Integer
           expect(result.member_count).must_equal info[index][:member_count]
         end

From 36412bd5e122145a6430aa2df0ec635abb9d2223 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Wed, 11 Sep 2019 21:57:54 -0700
Subject: [PATCH 19/25] Implemented #select_user and #select_channel methods

---
 lib/workspace.rb | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/lib/workspace.rb b/lib/workspace.rb
index 559936e3..75fa417d 100644
--- a/lib/workspace.rb
+++ b/lib/workspace.rb
@@ -19,16 +19,40 @@ def initialize
     @selected = nil
   end
   
-  def select_channel
+  def select_channel(input: nil)
+    channel_names = @channels.map { |channel| channel.name }
+    channel_ids = @channels.map { |channel| channel.slack_id }
+
+    if channel_names.include?(input)
+      @selected = @channels.find { |c| input == c.name }
+    elsif channel_ids.include?(input)
+      @selected = @channels.find { |c| input == c.slack_id }
+    else
+      raise ArgumentError.new "Argument must include valid name or id"
+    end
+    return @selected
   end
   
-  def select_user
+  def select_user(input: nil)
+    usernames = @users.map { |user| user.name }
+    user_ids = @users.map { |user| user.slack_id }
 
+    if usernames.include?(input)
+      @selected = @users.find { |u| input == u.name }
+    elsif user_ids.include?(input)
+      @selected = @users.find { |u| input == u.slack_id }
+    else
+      raise ArgumentError.new "Argument must include name or id"
+    end
+    return @selected
   end
   
   def show_details
+    return @selected.details if @selected
   end
   
-  def send_message
+  def send_message(message, channel)
+    
+    # return response["ok"]
   end
 end

From 76f7c949ebdb8e1f90e0544d1d2c4b2d3dd7434b Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Wed, 11 Sep 2019 21:59:09 -0700
Subject: [PATCH 20/25] Implemented #select_channel, #select_user and
 #show_details tests

---
 test/workspace_test.rb | 53 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/test/workspace_test.rb b/test/workspace_test.rb
index 1a29e882..1777b2aa 100644
--- a/test/workspace_test.rb
+++ b/test/workspace_test.rb
@@ -32,6 +32,59 @@
     end
   end
   
+  describe "#select_channel" do
+    it "returns instance of Channel when name is provided" do
+      expect(@workspace.select_channel(input: "random")).must_be_instance_of Channel
+    end
+
+    it "returns instance of Channel when id is provided" do
+      expect(@workspace.select_channel(input: "CN5RT17J8")).must_be_instance_of Channel
+    end
+
+    it "raises exception if no name or id provided" do
+      expect{ @workspace.select_channel }.must_raise ArgumentError
+    end
+  end
+  
+  describe "#select_user" do
+    it "returns instance of User when name is provided" do
+      expect(@workspace.select_user(input: "slackbot")).must_be_instance_of User
+    end
+
+    it "returns instance of User when id is provided" do
+      expect(@workspace.select_user(input: "USLACKBOT")).must_be_instance_of User
+    end
+
+    it "raises exception if no name or id provided" do
+      expect{ @workspace.select_user }.must_raise ArgumentError
+    end
+  end
+
+  describe "#show_details" do
+    it "returns details if @selected is user" do
+      @workspace.select_user(input: "slackbot")
+
+      expect(@workspace.show_details).wont_be_nil
+      expect(@workspace.show_details).must_include "slackbot"
+      expect(@workspace.show_details).must_include "Slackbot"
+      expect(@workspace.show_details).must_include "USLACKBOT"
+    end
+
+    it "returns details if @selected is channel" do
+      expect(@workspace.select_channel(input: "random"))
+
+      expect(@workspace.show_details).wont_be_nil
+      expect(@workspace.show_details).must_include "random"
+      expect(@workspace.show_details).must_include "CN5RT17J8"
+      expect(@workspace.show_details).must_include "2"
+      expect(@workspace.show_details).must_include "Non-work banter and water cooler conversation"
+    end
+
+    it "returns nil if nothing is @selected" do
+      expect(@workspace.show_details).must_be_nil
+    end
+  end
+  
   xdescribe "#send_message" do
     it "can send a valid message" do
       response = @workspace.send_message("This is a message", "general")

From 6c789bca15f7b6b379fce64e022bd00b92ca88e6 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Wed, 11 Sep 2019 21:59:09 -0700
Subject: [PATCH 21/25] Implemented #select_channel, #select_user and
 #show_details tests

---
 lib/workspace.rb       |  6 ++---
 test/workspace_test.rb | 53 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+), 3 deletions(-)

diff --git a/lib/workspace.rb b/lib/workspace.rb
index 75fa417d..67457a42 100644
--- a/lib/workspace.rb
+++ b/lib/workspace.rb
@@ -22,7 +22,7 @@ def initialize
   def select_channel(input: nil)
     channel_names = @channels.map { |channel| channel.name }
     channel_ids = @channels.map { |channel| channel.slack_id }
-
+    
     if channel_names.include?(input)
       @selected = @channels.find { |c| input == c.name }
     elsif channel_ids.include?(input)
@@ -36,13 +36,13 @@ def select_channel(input: nil)
   def select_user(input: nil)
     usernames = @users.map { |user| user.name }
     user_ids = @users.map { |user| user.slack_id }
-
+    
     if usernames.include?(input)
       @selected = @users.find { |u| input == u.name }
     elsif user_ids.include?(input)
       @selected = @users.find { |u| input == u.slack_id }
     else
-      raise ArgumentError.new "Argument must include name or id"
+      raise ArgumentError.new "Argument must include valid name or id"
     end
     return @selected
   end
diff --git a/test/workspace_test.rb b/test/workspace_test.rb
index 1a29e882..1777b2aa 100644
--- a/test/workspace_test.rb
+++ b/test/workspace_test.rb
@@ -32,6 +32,59 @@
     end
   end
   
+  describe "#select_channel" do
+    it "returns instance of Channel when name is provided" do
+      expect(@workspace.select_channel(input: "random")).must_be_instance_of Channel
+    end
+
+    it "returns instance of Channel when id is provided" do
+      expect(@workspace.select_channel(input: "CN5RT17J8")).must_be_instance_of Channel
+    end
+
+    it "raises exception if no name or id provided" do
+      expect{ @workspace.select_channel }.must_raise ArgumentError
+    end
+  end
+  
+  describe "#select_user" do
+    it "returns instance of User when name is provided" do
+      expect(@workspace.select_user(input: "slackbot")).must_be_instance_of User
+    end
+
+    it "returns instance of User when id is provided" do
+      expect(@workspace.select_user(input: "USLACKBOT")).must_be_instance_of User
+    end
+
+    it "raises exception if no name or id provided" do
+      expect{ @workspace.select_user }.must_raise ArgumentError
+    end
+  end
+
+  describe "#show_details" do
+    it "returns details if @selected is user" do
+      @workspace.select_user(input: "slackbot")
+
+      expect(@workspace.show_details).wont_be_nil
+      expect(@workspace.show_details).must_include "slackbot"
+      expect(@workspace.show_details).must_include "Slackbot"
+      expect(@workspace.show_details).must_include "USLACKBOT"
+    end
+
+    it "returns details if @selected is channel" do
+      expect(@workspace.select_channel(input: "random"))
+
+      expect(@workspace.show_details).wont_be_nil
+      expect(@workspace.show_details).must_include "random"
+      expect(@workspace.show_details).must_include "CN5RT17J8"
+      expect(@workspace.show_details).must_include "2"
+      expect(@workspace.show_details).must_include "Non-work banter and water cooler conversation"
+    end
+
+    it "returns nil if nothing is @selected" do
+      expect(@workspace.show_details).must_be_nil
+    end
+  end
+  
   xdescribe "#send_message" do
     it "can send a valid message" do
       response = @workspace.send_message("This is a message", "general")

From ca540596d45a3b11aee8ea466cd79e51a38312d8 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Wed, 11 Sep 2019 22:28:16 -0700
Subject: [PATCH 22/25] Implemented Wave 2 in slack.rb

---
 lib/slack.rb           | 71 +++++++++++++++++++++++++++++++++++++++---
 lib/workspace.rb       |  4 +--
 test/workspace_test.rb |  8 ++---
 3 files changed, 73 insertions(+), 10 deletions(-)

diff --git a/lib/slack.rb b/lib/slack.rb
index b84b2c00..9ab77baa 100755
--- a/lib/slack.rb
+++ b/lib/slack.rb
@@ -3,19 +3,23 @@
 
 def main
   workspace = Workspace.new
+  # variable to format command line entry
+  prompt = "> "
   
   
   puts "Welcome to the Ada Slack CLI!"
   puts "The number of channels is #{workspace.channels.length}."
   puts "The number of users is #{workspace.users.length}"
   
-  puts "Do you want to list users, list channels, or quit?"
+  puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+  print prompt
   search = gets.chomp.downcase
   until search == "quit"
     
     case search 
     when "quit"
       exit
+      
     when "list users", "users"
       puts
       puts "Listing Users..."
@@ -26,11 +30,13 @@ def main
         puts "Slack ID: #{user.slack_id}"
       end 
       puts
-      puts "Do you want to list users, list channels, or quit?"
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      print prompt
       search = gets.chomp.downcase
+      
     when "list channels", "channels"
       puts
-      "Listing Channels..."
+      puts "Listing Channels..."
       workspace.channels.each do |channel|
         puts
         puts "Channel name: #{channel.name}"
@@ -39,7 +45,64 @@ def main
         puts "Slack ID: #{channel.slack_id}"
       end 
       puts
-      puts "Do you want to list users, list channels, or quit?"
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      print prompt
+      search = gets.chomp.downcase
+      
+    when "select channel", "channel"
+      puts "Please enter a channel name or slack_id for the channel you would like to select:"
+      print prompt
+      input = gets.chomp
+      
+      if workspace.select_channel(input: input)
+        workspace.select_channel(input: input)
+        puts """
+        #{input} is now selected
+        """
+      else
+        puts "No channel has that name or ID"
+      end
+      
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      print prompt
+      search = gets.chomp.downcase
+      
+    when "select user", "user"
+      puts "Please enter a username or slack_id for the user you would like to select:"
+      print prompt
+      input = gets.chomp
+      
+      if workspace.select_user(input: input)
+        workspace.select_user(input: input)
+        puts """
+        #{input} is now selected
+        """
+      else
+        puts "No user has that name or ID"
+      end
+      
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      print prompt
+      search = gets.chomp.downcase
+      
+    when "details"
+      if workspace.show_details
+        puts "Here are the details for #{workspace.selected.name}:"
+        puts workspace.show_details
+      else
+        puts """
+        No recipient is currently selected
+        """
+      end
+      
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      print prompt
+      search = gets.chomp.downcase
+
+    else
+      puts "Invalid Command"
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      print prompt
       search = gets.chomp.downcase
     end
   end
diff --git a/lib/workspace.rb b/lib/workspace.rb
index 67457a42..8966379f 100644
--- a/lib/workspace.rb
+++ b/lib/workspace.rb
@@ -28,7 +28,7 @@ def select_channel(input: nil)
     elsif channel_ids.include?(input)
       @selected = @channels.find { |c| input == c.slack_id }
     else
-      raise ArgumentError.new "Argument must include valid name or id"
+      return nil
     end
     return @selected
   end
@@ -42,7 +42,7 @@ def select_user(input: nil)
     elsif user_ids.include?(input)
       @selected = @users.find { |u| input == u.slack_id }
     else
-      raise ArgumentError.new "Argument must include valid name or id"
+      return nil
     end
     return @selected
   end
diff --git a/test/workspace_test.rb b/test/workspace_test.rb
index 1777b2aa..60f03063 100644
--- a/test/workspace_test.rb
+++ b/test/workspace_test.rb
@@ -41,8 +41,8 @@
       expect(@workspace.select_channel(input: "CN5RT17J8")).must_be_instance_of Channel
     end
 
-    it "raises exception if no name or id provided" do
-      expect{ @workspace.select_channel }.must_raise ArgumentError
+    it "returns nil if no valid name or id provided" do
+      expect(@workspace.select_channel).must_be_nil
     end
   end
   
@@ -55,8 +55,8 @@
       expect(@workspace.select_user(input: "USLACKBOT")).must_be_instance_of User
     end
 
-    it "raises exception if no name or id provided" do
-      expect{ @workspace.select_user }.must_raise ArgumentError
+    it "returns nil if no name or id provided" do
+      expect(@workspace.select_user).must_be_nil
     end
   end
 

From aba9fd168892be0e1e37fa313a77213cdf20ca08 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Fri, 13 Sep 2019 11:27:05 -0700
Subject: [PATCH 23/25] Implemented send_message method:

---
 lib/recipient.rb       |  7 +---
 lib/slack.rb           | 68 ++++++++++++++++++++------------------
 lib/user.rb            |  4 +--
 lib/workspace.rb       | 17 ++++++++--
 test/workspace_test.rb | 74 +++++++++++++++++++++++++++++++++---------
 5 files changed, 113 insertions(+), 57 deletions(-)

diff --git a/lib/recipient.rb b/lib/recipient.rb
index a4bbb61f..7419ae44 100644
--- a/lib/recipient.rb
+++ b/lib/recipient.rb
@@ -1,14 +1,11 @@
 class Recipient
   attr_reader :slack_id, :name
   
-  def initialize(slack_id: slack_id, name: name)
+  def initialize(slack_id: , name: )
     @slack_id = slack_id
     @name = name
   end
   
-  # def send_message(message)
-  # end
-  
   def self.get(url, params)
     query = {
       token: params 
@@ -30,6 +27,4 @@ def details
   def self.list
     raise NotImplementedError.new "Implement me in a child class!"
   end
-  
-  
 end
diff --git a/lib/slack.rb b/lib/slack.rb
index 9ab77baa..449a4bc6 100755
--- a/lib/slack.rb
+++ b/lib/slack.rb
@@ -11,7 +11,7 @@ def main
   puts "The number of channels is #{workspace.channels.length}."
   puts "The number of users is #{workspace.users.length}"
   
-  puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+  puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
   print prompt
   search = gets.chomp.downcase
   until search == "quit"
@@ -30,7 +30,7 @@ def main
         puts "Slack ID: #{user.slack_id}"
       end 
       puts
-      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
       print prompt
       search = gets.chomp.downcase
       
@@ -45,7 +45,7 @@ def main
         puts "Slack ID: #{channel.slack_id}"
       end 
       puts
-      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
       print prompt
       search = gets.chomp.downcase
       
@@ -60,10 +60,12 @@ def main
         #{input} is now selected
         """
       else
-        puts "No channel has that name or ID"
+        puts """
+        No channel has that name or ID
+        """
       end
       
-      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
       print prompt
       search = gets.chomp.downcase
       
@@ -78,10 +80,12 @@ def main
         #{input} is now selected
         """
       else
-        puts "No user has that name or ID"
+        puts """
+        No user has that name or ID
+        """
       end
       
-      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
       print prompt
       search = gets.chomp.downcase
       
@@ -95,16 +99,37 @@ def main
         """
       end
       
-      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
+      print prompt
+      search = gets.chomp.downcase
+      
+    when "send message", "message"
+      unless workspace.selected.nil?
+        puts "What message would you like to send to #{workspace.selected.name}?"
+        message = gets.chomp
+        
+        workspace.send_message(message, workspace.selected.slack_id)
+        
+        puts """
+        Message posted!
+        """
+      else
+        puts """
+        No recipient selected!
+        """
+      end
+      
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
       print prompt
       search = gets.chomp.downcase
-
     else
-      puts "Invalid Command"
-      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      puts """
+      Invalid Command
+      """
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
       print prompt
       search = gets.chomp.downcase
-    end
+    end  
   end
   
   puts "Thank you for using the Ada Slack CLI"
@@ -112,22 +137,3 @@ def main
 
 main if __FILE__ == $PROGRAM_NAME
 
-
-
-
-# url = "https://slack.com/api/channels.list"
-# key = ENV["SLACK_TOKEN"]
-
-# query = {
-#   token: key
-# }
-
-# response = HTTParty.get(url, query: query)
-
-# if response["error"]
-#   raise StandardError.new "#{response.code}: #{response.message} -- #{response["error"]}"
-# end
-
-# response["channels"].each_with_index do |channel, index|
-#   puts "#{index + 1}. #{channel["name"]}"
-# end
diff --git a/lib/user.rb b/lib/user.rb
index 4eebe708..5206d055 100644
--- a/lib/user.rb
+++ b/lib/user.rb
@@ -1,7 +1,7 @@
 class User < Recipient
   attr_reader :real_name, :status_text, :status_emoji
   
-  def initialize(real_name:, status_text: nil , status_emoji: nil, slack_id:, name:)
+  def initialize(real_name:, slack_id:, name:)
     super(slack_id: slack_id, name: name)
     @real_name = real_name
     @status_text = status_text
@@ -14,8 +14,6 @@ def details
     Slack ID: #{@slack_id}
     Username: #{@name}
     Real Name: #{@real_name}
-    Status Text: #{@status_text}
-    Status Emoji: #{@status_emoji}
     """
 
     return details
diff --git a/lib/workspace.rb b/lib/workspace.rb
index 8966379f..f04e2408 100644
--- a/lib/workspace.rb
+++ b/lib/workspace.rb
@@ -52,7 +52,20 @@ def show_details
   end
   
   def send_message(message, channel)
-    
-    # return response["ok"]
+    response = HTTParty.post(
+      "https://slack.com/api/chat.postMessage",
+      body: {
+        token: ENV["SLACK_TOKEN"],
+        channel: channel,
+        text: message
+      },
+      headers: { 'Content-Type' => 'application/x-www-form-urlencoded' }
+    )
+
+    if response["error"]
+      raise SlackApiError.new "#{response.code}: #{response.message} -- #{response["error"]}"
+    end
+  
+    return response
   end
 end
diff --git a/test/workspace_test.rb b/test/workspace_test.rb
index 60f03063..ebe33d64 100644
--- a/test/workspace_test.rb
+++ b/test/workspace_test.rb
@@ -36,11 +36,22 @@
     it "returns instance of Channel when name is provided" do
       expect(@workspace.select_channel(input: "random")).must_be_instance_of Channel
     end
-
+    
     it "returns instance of Channel when id is provided" do
       expect(@workspace.select_channel(input: "CN5RT17J8")).must_be_instance_of Channel
     end
-
+    
+    it "assigns instance of User to @selected" do
+      expect(@workspace.selected).must_be_nil
+      @workspace.select_channel(input: "random")
+      
+      expect(@workspace.selected).must_be_instance_of Channel
+      expect(@workspace.selected.name).must_equal "random"
+      expect(@workspace.selected.topic).must_equal "Non-work banter and water cooler conversation"
+      expect(@workspace.selected.member_count).must_equal 2
+      expect(@workspace.selected.slack_id).must_equal "CN5RT17J8"
+    end
+    
     it "returns nil if no valid name or id provided" do
       expect(@workspace.select_channel).must_be_nil
     end
@@ -50,47 +61,80 @@
     it "returns instance of User when name is provided" do
       expect(@workspace.select_user(input: "slackbot")).must_be_instance_of User
     end
-
+    
     it "returns instance of User when id is provided" do
       expect(@workspace.select_user(input: "USLACKBOT")).must_be_instance_of User
     end
-
+    
+    it "returns instance of User when name is provided" do
+      expect(@workspace.selected).must_be_nil
+      @workspace.select_user(input: "slackbot")
+      
+      expect(@workspace.selected).must_be_instance_of User
+      expect(@workspace.selected.name).must_equal "slackbot"
+      expect(@workspace.selected.real_name).must_equal "Slackbot"
+      expect(@workspace.selected.slack_id).must_equal "USLACKBOT"
+    end
+    
     it "returns nil if no name or id provided" do
       expect(@workspace.select_user).must_be_nil
     end
   end
-
+  
   describe "#show_details" do
     it "returns details if @selected is user" do
       @workspace.select_user(input: "slackbot")
-
+      
+      expect(@workspace.show_details).wont_be_nil
+      expect(@workspace.show_details).must_include "slackbot"
+      expect(@workspace.show_details).must_include "Slackbot"
+      expect(@workspace.show_details).must_include "USLACKBOT"
+      
+      @workspace.select_user(input: "USLACKBOT")
+      
       expect(@workspace.show_details).wont_be_nil
       expect(@workspace.show_details).must_include "slackbot"
       expect(@workspace.show_details).must_include "Slackbot"
       expect(@workspace.show_details).must_include "USLACKBOT"
     end
-
+    
     it "returns details if @selected is channel" do
-      expect(@workspace.select_channel(input: "random"))
-
+      @workspace.select_channel(input: "random")
+      
+      expect(@workspace.show_details).wont_be_nil
+      expect(@workspace.show_details).must_include "random"
+      expect(@workspace.show_details).must_include "CN5RT17J8"
+      expect(@workspace.show_details).must_include "2"
+      expect(@workspace.show_details).must_include "Non-work banter and water cooler conversation"
+      
+      @workspace.select_channel(input: "CN5RT17J8")
+      
       expect(@workspace.show_details).wont_be_nil
       expect(@workspace.show_details).must_include "random"
       expect(@workspace.show_details).must_include "CN5RT17J8"
       expect(@workspace.show_details).must_include "2"
       expect(@workspace.show_details).must_include "Non-work banter and water cooler conversation"
     end
-
+    
     it "returns nil if nothing is @selected" do
       expect(@workspace.show_details).must_be_nil
     end
   end
   
-  xdescribe "#send_message" do
+  describe "#send_message" do
     it "can send a valid message" do
-      response = @workspace.send_message("This is a message", "general")
-      
-      expect(response).wont_be_nil
-      expect(response).must_equal true
+      VCR.use_cassette("send_slack_message") do
+        response = @workspace.send_message("This is a message", "general")
+        
+        expect(response).wont_be_nil
+        expect(response["ok"]).must_equal true
+      end
+    end
+
+    it "raises exception if there is an error in API response" do
+      VCR.use_cassette("send_slack_message_error") do
+        expect { response = @workspace.send_message("", "general") }.must_raise SlackApiError
+      end
     end
   end
 end

From 6087d61c7930fedf8108f21ffeb5869b074da1ae Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Fri, 13 Sep 2019 11:27:05 -0700
Subject: [PATCH 24/25] Implemented send_message method:

---
 lib/recipient.rb       |  7 +---
 lib/slack.rb           | 69 +++++++++++++++++++++------------------
 lib/user.rb            |  4 +--
 lib/workspace.rb       | 17 ++++++++--
 test/workspace_test.rb | 74 +++++++++++++++++++++++++++++++++---------
 5 files changed, 113 insertions(+), 58 deletions(-)

diff --git a/lib/recipient.rb b/lib/recipient.rb
index a4bbb61f..7419ae44 100644
--- a/lib/recipient.rb
+++ b/lib/recipient.rb
@@ -1,14 +1,11 @@
 class Recipient
   attr_reader :slack_id, :name
   
-  def initialize(slack_id: slack_id, name: name)
+  def initialize(slack_id: , name: )
     @slack_id = slack_id
     @name = name
   end
   
-  # def send_message(message)
-  # end
-  
   def self.get(url, params)
     query = {
       token: params 
@@ -30,6 +27,4 @@ def details
   def self.list
     raise NotImplementedError.new "Implement me in a child class!"
   end
-  
-  
 end
diff --git a/lib/slack.rb b/lib/slack.rb
index 9ab77baa..090c7670 100755
--- a/lib/slack.rb
+++ b/lib/slack.rb
@@ -6,12 +6,11 @@ def main
   # variable to format command line entry
   prompt = "> "
   
-  
   puts "Welcome to the Ada Slack CLI!"
   puts "The number of channels is #{workspace.channels.length}."
   puts "The number of users is #{workspace.users.length}"
   
-  puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+  puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
   print prompt
   search = gets.chomp.downcase
   until search == "quit"
@@ -30,7 +29,7 @@ def main
         puts "Slack ID: #{user.slack_id}"
       end 
       puts
-      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
       print prompt
       search = gets.chomp.downcase
       
@@ -45,7 +44,7 @@ def main
         puts "Slack ID: #{channel.slack_id}"
       end 
       puts
-      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
       print prompt
       search = gets.chomp.downcase
       
@@ -60,10 +59,12 @@ def main
         #{input} is now selected
         """
       else
-        puts "No channel has that name or ID"
+        puts """
+        No channel has that name or ID
+        """
       end
       
-      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
       print prompt
       search = gets.chomp.downcase
       
@@ -78,10 +79,12 @@ def main
         #{input} is now selected
         """
       else
-        puts "No user has that name or ID"
+        puts """
+        No user has that name or ID
+        """
       end
       
-      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
       print prompt
       search = gets.chomp.downcase
       
@@ -95,16 +98,37 @@ def main
         """
       end
       
-      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
+      print prompt
+      search = gets.chomp.downcase
+      
+    when "send message", "message"
+      unless workspace.selected.nil?
+        puts "What message would you like to send to #{workspace.selected.name}?"
+        message = gets.chomp
+        
+        workspace.send_message(message, workspace.selected.slack_id)
+        
+        puts """
+        Message posted!
+        """
+      else
+        puts """
+        No recipient selected!
+        """
+      end
+      
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
       print prompt
       search = gets.chomp.downcase
-
     else
-      puts "Invalid Command"
-      puts "Do you want to list users, list channels, select user, select channel, show details for selected or quit?"
+      puts """
+      Invalid Command
+      """
+      puts "Do you want to list users, list channels, select user, select channel, show details for selected, send message to selected or quit?"
       print prompt
       search = gets.chomp.downcase
-    end
+    end  
   end
   
   puts "Thank you for using the Ada Slack CLI"
@@ -112,22 +136,3 @@ def main
 
 main if __FILE__ == $PROGRAM_NAME
 
-
-
-
-# url = "https://slack.com/api/channels.list"
-# key = ENV["SLACK_TOKEN"]
-
-# query = {
-#   token: key
-# }
-
-# response = HTTParty.get(url, query: query)
-
-# if response["error"]
-#   raise StandardError.new "#{response.code}: #{response.message} -- #{response["error"]}"
-# end
-
-# response["channels"].each_with_index do |channel, index|
-#   puts "#{index + 1}. #{channel["name"]}"
-# end
diff --git a/lib/user.rb b/lib/user.rb
index 4eebe708..5206d055 100644
--- a/lib/user.rb
+++ b/lib/user.rb
@@ -1,7 +1,7 @@
 class User < Recipient
   attr_reader :real_name, :status_text, :status_emoji
   
-  def initialize(real_name:, status_text: nil , status_emoji: nil, slack_id:, name:)
+  def initialize(real_name:, slack_id:, name:)
     super(slack_id: slack_id, name: name)
     @real_name = real_name
     @status_text = status_text
@@ -14,8 +14,6 @@ def details
     Slack ID: #{@slack_id}
     Username: #{@name}
     Real Name: #{@real_name}
-    Status Text: #{@status_text}
-    Status Emoji: #{@status_emoji}
     """
 
     return details
diff --git a/lib/workspace.rb b/lib/workspace.rb
index 8966379f..f04e2408 100644
--- a/lib/workspace.rb
+++ b/lib/workspace.rb
@@ -52,7 +52,20 @@ def show_details
   end
   
   def send_message(message, channel)
-    
-    # return response["ok"]
+    response = HTTParty.post(
+      "https://slack.com/api/chat.postMessage",
+      body: {
+        token: ENV["SLACK_TOKEN"],
+        channel: channel,
+        text: message
+      },
+      headers: { 'Content-Type' => 'application/x-www-form-urlencoded' }
+    )
+
+    if response["error"]
+      raise SlackApiError.new "#{response.code}: #{response.message} -- #{response["error"]}"
+    end
+  
+    return response
   end
 end
diff --git a/test/workspace_test.rb b/test/workspace_test.rb
index 60f03063..ebe33d64 100644
--- a/test/workspace_test.rb
+++ b/test/workspace_test.rb
@@ -36,11 +36,22 @@
     it "returns instance of Channel when name is provided" do
       expect(@workspace.select_channel(input: "random")).must_be_instance_of Channel
     end
-
+    
     it "returns instance of Channel when id is provided" do
       expect(@workspace.select_channel(input: "CN5RT17J8")).must_be_instance_of Channel
     end
-
+    
+    it "assigns instance of User to @selected" do
+      expect(@workspace.selected).must_be_nil
+      @workspace.select_channel(input: "random")
+      
+      expect(@workspace.selected).must_be_instance_of Channel
+      expect(@workspace.selected.name).must_equal "random"
+      expect(@workspace.selected.topic).must_equal "Non-work banter and water cooler conversation"
+      expect(@workspace.selected.member_count).must_equal 2
+      expect(@workspace.selected.slack_id).must_equal "CN5RT17J8"
+    end
+    
     it "returns nil if no valid name or id provided" do
       expect(@workspace.select_channel).must_be_nil
     end
@@ -50,47 +61,80 @@
     it "returns instance of User when name is provided" do
       expect(@workspace.select_user(input: "slackbot")).must_be_instance_of User
     end
-
+    
     it "returns instance of User when id is provided" do
       expect(@workspace.select_user(input: "USLACKBOT")).must_be_instance_of User
     end
-
+    
+    it "returns instance of User when name is provided" do
+      expect(@workspace.selected).must_be_nil
+      @workspace.select_user(input: "slackbot")
+      
+      expect(@workspace.selected).must_be_instance_of User
+      expect(@workspace.selected.name).must_equal "slackbot"
+      expect(@workspace.selected.real_name).must_equal "Slackbot"
+      expect(@workspace.selected.slack_id).must_equal "USLACKBOT"
+    end
+    
     it "returns nil if no name or id provided" do
       expect(@workspace.select_user).must_be_nil
     end
   end
-
+  
   describe "#show_details" do
     it "returns details if @selected is user" do
       @workspace.select_user(input: "slackbot")
-
+      
+      expect(@workspace.show_details).wont_be_nil
+      expect(@workspace.show_details).must_include "slackbot"
+      expect(@workspace.show_details).must_include "Slackbot"
+      expect(@workspace.show_details).must_include "USLACKBOT"
+      
+      @workspace.select_user(input: "USLACKBOT")
+      
       expect(@workspace.show_details).wont_be_nil
       expect(@workspace.show_details).must_include "slackbot"
       expect(@workspace.show_details).must_include "Slackbot"
       expect(@workspace.show_details).must_include "USLACKBOT"
     end
-
+    
     it "returns details if @selected is channel" do
-      expect(@workspace.select_channel(input: "random"))
-
+      @workspace.select_channel(input: "random")
+      
+      expect(@workspace.show_details).wont_be_nil
+      expect(@workspace.show_details).must_include "random"
+      expect(@workspace.show_details).must_include "CN5RT17J8"
+      expect(@workspace.show_details).must_include "2"
+      expect(@workspace.show_details).must_include "Non-work banter and water cooler conversation"
+      
+      @workspace.select_channel(input: "CN5RT17J8")
+      
       expect(@workspace.show_details).wont_be_nil
       expect(@workspace.show_details).must_include "random"
       expect(@workspace.show_details).must_include "CN5RT17J8"
       expect(@workspace.show_details).must_include "2"
       expect(@workspace.show_details).must_include "Non-work banter and water cooler conversation"
     end
-
+    
     it "returns nil if nothing is @selected" do
       expect(@workspace.show_details).must_be_nil
     end
   end
   
-  xdescribe "#send_message" do
+  describe "#send_message" do
     it "can send a valid message" do
-      response = @workspace.send_message("This is a message", "general")
-      
-      expect(response).wont_be_nil
-      expect(response).must_equal true
+      VCR.use_cassette("send_slack_message") do
+        response = @workspace.send_message("This is a message", "general")
+        
+        expect(response).wont_be_nil
+        expect(response["ok"]).must_equal true
+      end
+    end
+
+    it "raises exception if there is an error in API response" do
+      VCR.use_cassette("send_slack_message_error") do
+        expect { response = @workspace.send_message("", "general") }.must_raise SlackApiError
+      end
     end
   end
 end

From b17dd36deae3313bf10137a7869dc25c892c9589 Mon Sep 17 00:00:00 2001
From: Julia Bouvier <juliabouv@gmail.com>
Date: Fri, 13 Sep 2019 14:23:59 -0700
Subject: [PATCH 25/25] Formatting and cassettes

---
 lib/workspace.rb                            |   1 -
 test/cassettes/construct_workspace.yml      | 156 ++++++++++++++++++++
 test/cassettes/get_recipient_api.yml        |  78 ++++++++++
 test/cassettes/get_recipient_api_error.yml  |  64 ++++++++
 test/cassettes/list_channels.yml            |  81 ++++++++++
 test/cassettes/list_users.yml               |  78 ++++++++++
 test/cassettes/send_slack_message.yml       |  72 +++++++++
 test/cassettes/send_slack_message_error.yml |  70 +++++++++
 test/workspace_test.rb                      |   2 +-
 9 files changed, 600 insertions(+), 2 deletions(-)
 create mode 100644 test/cassettes/construct_workspace.yml
 create mode 100644 test/cassettes/get_recipient_api.yml
 create mode 100644 test/cassettes/get_recipient_api_error.yml
 create mode 100644 test/cassettes/list_channels.yml
 create mode 100644 test/cassettes/list_users.yml
 create mode 100644 test/cassettes/send_slack_message.yml
 create mode 100644 test/cassettes/send_slack_message_error.yml

diff --git a/lib/workspace.rb b/lib/workspace.rb
index f04e2408..b465da66 100644
--- a/lib/workspace.rb
+++ b/lib/workspace.rb
@@ -1,7 +1,6 @@
 require 'httparty'
 require 'awesome_print'
 require 'pry'
-require 'table_print'
 require 'dotenv'
 Dotenv.load
 
diff --git a/test/cassettes/construct_workspace.yml b/test/cassettes/construct_workspace.yml
new file mode 100644
index 00000000..1fb54e6b
--- /dev/null
+++ b/test/cassettes/construct_workspace.yml
@@ -0,0 +1,156 @@
+---
+http_interactions:
+- request:
+    method: get
+    uri: https://slack.com/api/users.list?token=<SLACK_TOKEN>
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '932'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 13 Sep 2019 21:21:44 GMT
+      Server:
+      - Apache
+      X-Content-Type-Options:
+      - nosniff
+      X-Slack-Req-Id:
+      - b1c516f3-eb2e-492e-b35b-55a991e0a73c
+      X-Oauth-Scopes:
+      - identify,channels:read,users:read,chat:write:bot
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Xss-Protection:
+      - '0'
+      X-Accepted-Oauth-Scopes:
+      - users:read
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-2wz3
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 61e75bd33e6585cb966e70a5677b630b.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - BOS50-C1
+      X-Amz-Cf-Id:
+      - gVBYCyM8oNWBXtCd-4-I4SCLXl0I5FlSycaBsCdu0o_hgWFLmgYv0A==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"members":[{"id":"USLACKBOT","team_id":"TMURTAYBV","name":"slackbot","deleted":false,"color":"757575","real_name":"Slackbot","tz":null,"tz_label":"Pacific
+        Daylight Time","tz_offset":-25200,"profile":{"title":"","phone":"","skype":"","real_name":"Slackbot","real_name_normalized":"Slackbot","display_name":"Slackbot","display_name_normalized":"Slackbot","fields":null,"status_text":"","status_emoji":"","status_expiration":0,"avatar_hash":"sv41d8cd98f0","always_active":true,"first_name":"slackbot","last_name":"","image_24":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_24.png","image_32":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_32.png","image_48":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_48.png","image_72":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_72.png","image_192":"https:\/\/a.slack-edge.com\/80588\/marketing\/img\/avatars\/slackbot\/avatar-slackbot.png","image_512":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_512.png","status_text_canonical":"","team":"TMURTAYBV"},"is_admin":false,"is_owner":false,"is_primary_owner":false,"is_restricted":false,"is_ultra_restricted":false,"is_bot":false,"is_app_user":false,"updated":0},{"id":"UMURTAYP5","team_id":"TMURTAYBV","name":"juliabouv","deleted":false,"color":"9f69e7","real_name":"Julia
+        Bouvier","tz":"America\/Los_Angeles","tz_label":"Pacific Daylight Time","tz_offset":-25200,"profile":{"title":"","phone":"","skype":"","real_name":"Julia
+        Bouvier","real_name_normalized":"Julia Bouvier","display_name":"","display_name_normalized":"","status_text":"","status_emoji":"","status_expiration":0,"avatar_hash":"gd5cb54a2a82","first_name":"Julia","last_name":"Bouvier","image_24":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=24&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-24.png","image_32":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=32&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-32.png","image_48":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=48&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-48.png","image_72":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=72&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-72.png","image_192":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=192&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-192.png","image_512":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=512&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-512.png","status_text_canonical":"","team":"TMURTAYBV"},"is_admin":true,"is_owner":true,"is_primary_owner":true,"is_restricted":false,"is_ultra_restricted":false,"is_bot":false,"is_app_user":false,"updated":1568073742,"has_2fa":false},{"id":"UN863PN23","team_id":"TMURTAYBV","name":"amalh.a97","deleted":false,"color":"4bbe2e","real_name":"Amal","tz":"America\/Los_Angeles","tz_label":"Pacific
+        Daylight Time","tz_offset":-25200,"profile":{"title":"","phone":"","skype":"","real_name":"Amal","real_name_normalized":"Amal","display_name":"Amal","display_name_normalized":"Amal","status_text":"","status_emoji":"","status_expiration":0,"avatar_hash":"g1bf8487fb4a","image_24":"https:\/\/secure.gravatar.com\/avatar\/1bf8487fb4a2755ba217af6ed776cbce.jpg?s=24&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0011-24.png","image_32":"https:\/\/secure.gravatar.com\/avatar\/1bf8487fb4a2755ba217af6ed776cbce.jpg?s=32&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0011-32.png","image_48":"https:\/\/secure.gravatar.com\/avatar\/1bf8487fb4a2755ba217af6ed776cbce.jpg?s=48&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0011-48.png","image_72":"https:\/\/secure.gravatar.com\/avatar\/1bf8487fb4a2755ba217af6ed776cbce.jpg?s=72&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0011-72.png","image_192":"https:\/\/secure.gravatar.com\/avatar\/1bf8487fb4a2755ba217af6ed776cbce.jpg?s=192&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0011-192.png","image_512":"https:\/\/secure.gravatar.com\/avatar\/1bf8487fb4a2755ba217af6ed776cbce.jpg?s=512&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0011-512.png","status_text_canonical":"","team":"TMURTAYBV"},"is_admin":false,"is_owner":false,"is_primary_owner":false,"is_restricted":false,"is_ultra_restricted":false,"is_bot":false,"is_app_user":false,"updated":1568073520,"has_2fa":false}],"cache_ts":1568409704,"response_metadata":{"next_cursor":""}}'
+    http_version: 
+  recorded_at: Fri, 13 Sep 2019 21:21:44 GMT
+- request:
+    method: get
+    uri: https://slack.com/api/channels.list?token=<SLACK_TOKEN>
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '592'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 13 Sep 2019 21:21:44 GMT
+      Server:
+      - Apache
+      X-Content-Type-Options:
+      - nosniff
+      X-Slack-Req-Id:
+      - 4574c2b0-9e17-41b9-8471-43ef67541dcd
+      X-Oauth-Scopes:
+      - identify,channels:read,users:read,chat:write:bot
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Xss-Protection:
+      - '0'
+      X-Accepted-Oauth-Scopes:
+      - channels:read
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-ntno
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 bae03a76f4f3eb92893beec8dc1a7f7d.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - BOS50-C1
+      X-Amz-Cf-Id:
+      - wZNMOOqmR2WjbeddhBlprimOoqMLjQ7cUN3R6TrzX-iSh-NqPG9QWA==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"channels":[{"id":"CN5RT17J8","name":"random","is_channel":true,"created":1568073362,"is_archived":false,"is_general":false,"unlinked":0,"creator":"UMURTAYP5","name_normalized":"random","is_shared":false,"is_org_shared":false,"is_member":true,"is_private":false,"is_mpim":false,"members":["UMURTAYP5","UN863PN23"],"topic":{"value":"Non-work
+        banter and water cooler conversation","creator":"UMURTAYP5","last_set":1568073362},"purpose":{"value":"A
+        place for non-work-related flimflam, faffing, hodge-podge or jibber-jabber
+        you''d prefer to keep out of more focused work-related channels.","creator":"UMURTAYP5","last_set":1568073362},"previous_names":[],"num_members":2},{"id":"CN862L6AK","name":"general","is_channel":true,"created":1568073362,"is_archived":false,"is_general":true,"unlinked":0,"creator":"UMURTAYP5","name_normalized":"general","is_shared":false,"is_org_shared":false,"is_member":true,"is_private":false,"is_mpim":false,"members":["UMURTAYP5","UN863PN23"],"topic":{"value":"Company-wide
+        announcements and work-based matters","creator":"UMURTAYP5","last_set":1568073362},"purpose":{"value":"This
+        channel is for workspace-wide communication and announcements. All members
+        are in this channel.","creator":"UMURTAYP5","last_set":1568073362},"previous_names":[],"num_members":2},{"id":"CN862LB8F","name":"awesome-slack-cli-design-activity","is_channel":true,"created":1568073362,"is_archived":false,"is_general":false,"unlinked":0,"creator":"UMURTAYP5","name_normalized":"awesome-slack-cli-design-activity","is_shared":false,"is_org_shared":false,"is_member":true,"is_private":false,"is_mpim":false,"members":["UMURTAYP5","UN863PN23"],"topic":{"value":"Discussing
+        the amazing things that are happening here.","creator":"UMURTAYP5","last_set":1568094901},"purpose":{"value":"","creator":"","last_set":0},"previous_names":[],"num_members":2}],"response_metadata":{"next_cursor":""}}'
+    http_version: 
+  recorded_at: Fri, 13 Sep 2019 21:21:45 GMT
+recorded_with: VCR 5.0.0
diff --git a/test/cassettes/get_recipient_api.yml b/test/cassettes/get_recipient_api.yml
new file mode 100644
index 00000000..6981e6b3
--- /dev/null
+++ b/test/cassettes/get_recipient_api.yml
@@ -0,0 +1,78 @@
+---
+http_interactions:
+- request:
+    method: get
+    uri: https://slack.com/api/users.list?token=<SLACK_TOKEN>
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '932'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 13 Sep 2019 21:21:46 GMT
+      Server:
+      - Apache
+      X-Content-Type-Options:
+      - nosniff
+      X-Slack-Req-Id:
+      - 4a1be412-3f1e-4f5b-9f70-cc66d0a1c4a9
+      X-Oauth-Scopes:
+      - identify,channels:read,users:read,chat:write:bot
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Xss-Protection:
+      - '0'
+      X-Accepted-Oauth-Scopes:
+      - users:read
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-lcub
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 61e75bd33e6585cb966e70a5677b630b.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - BOS50-C1
+      X-Amz-Cf-Id:
+      - kJ3A1T2YNhGSsxVUvApMUYPBlCSAYqDLDR7XwBVWHYEf8SXOf1Xarw==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"members":[{"id":"USLACKBOT","team_id":"TMURTAYBV","name":"slackbot","deleted":false,"color":"757575","real_name":"Slackbot","tz":null,"tz_label":"Pacific
+        Daylight Time","tz_offset":-25200,"profile":{"title":"","phone":"","skype":"","real_name":"Slackbot","real_name_normalized":"Slackbot","display_name":"Slackbot","display_name_normalized":"Slackbot","fields":null,"status_text":"","status_emoji":"","status_expiration":0,"avatar_hash":"sv41d8cd98f0","always_active":true,"first_name":"slackbot","last_name":"","image_24":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_24.png","image_32":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_32.png","image_48":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_48.png","image_72":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_72.png","image_192":"https:\/\/a.slack-edge.com\/80588\/marketing\/img\/avatars\/slackbot\/avatar-slackbot.png","image_512":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_512.png","status_text_canonical":"","team":"TMURTAYBV"},"is_admin":false,"is_owner":false,"is_primary_owner":false,"is_restricted":false,"is_ultra_restricted":false,"is_bot":false,"is_app_user":false,"updated":0},{"id":"UMURTAYP5","team_id":"TMURTAYBV","name":"juliabouv","deleted":false,"color":"9f69e7","real_name":"Julia
+        Bouvier","tz":"America\/Los_Angeles","tz_label":"Pacific Daylight Time","tz_offset":-25200,"profile":{"title":"","phone":"","skype":"","real_name":"Julia
+        Bouvier","real_name_normalized":"Julia Bouvier","display_name":"","display_name_normalized":"","status_text":"","status_emoji":"","status_expiration":0,"avatar_hash":"gd5cb54a2a82","first_name":"Julia","last_name":"Bouvier","image_24":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=24&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-24.png","image_32":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=32&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-32.png","image_48":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=48&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-48.png","image_72":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=72&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-72.png","image_192":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=192&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-192.png","image_512":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=512&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-512.png","status_text_canonical":"","team":"TMURTAYBV"},"is_admin":true,"is_owner":true,"is_primary_owner":true,"is_restricted":false,"is_ultra_restricted":false,"is_bot":false,"is_app_user":false,"updated":1568073742,"has_2fa":false},{"id":"UN863PN23","team_id":"TMURTAYBV","name":"amalh.a97","deleted":false,"color":"4bbe2e","real_name":"Amal","tz":"America\/Los_Angeles","tz_label":"Pacific
+        Daylight Time","tz_offset":-25200,"profile":{"title":"","phone":"","skype":"","real_name":"Amal","real_name_normalized":"Amal","display_name":"Amal","display_name_normalized":"Amal","status_text":"","status_emoji":"","status_expiration":0,"avatar_hash":"g1bf8487fb4a","image_24":"https:\/\/secure.gravatar.com\/avatar\/1bf8487fb4a2755ba217af6ed776cbce.jpg?s=24&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0011-24.png","image_32":"https:\/\/secure.gravatar.com\/avatar\/1bf8487fb4a2755ba217af6ed776cbce.jpg?s=32&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0011-32.png","image_48":"https:\/\/secure.gravatar.com\/avatar\/1bf8487fb4a2755ba217af6ed776cbce.jpg?s=48&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0011-48.png","image_72":"https:\/\/secure.gravatar.com\/avatar\/1bf8487fb4a2755ba217af6ed776cbce.jpg?s=72&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0011-72.png","image_192":"https:\/\/secure.gravatar.com\/avatar\/1bf8487fb4a2755ba217af6ed776cbce.jpg?s=192&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0011-192.png","image_512":"https:\/\/secure.gravatar.com\/avatar\/1bf8487fb4a2755ba217af6ed776cbce.jpg?s=512&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0011-512.png","status_text_canonical":"","team":"TMURTAYBV"},"is_admin":false,"is_owner":false,"is_primary_owner":false,"is_restricted":false,"is_ultra_restricted":false,"is_bot":false,"is_app_user":false,"updated":1568073520,"has_2fa":false}],"cache_ts":1568409706,"response_metadata":{"next_cursor":""}}'
+    http_version: 
+  recorded_at: Fri, 13 Sep 2019 21:21:46 GMT
+recorded_with: VCR 5.0.0
diff --git a/test/cassettes/get_recipient_api_error.yml b/test/cassettes/get_recipient_api_error.yml
new file mode 100644
index 00000000..be7080a1
--- /dev/null
+++ b/test/cassettes/get_recipient_api_error.yml
@@ -0,0 +1,64 @@
+---
+http_interactions:
+- request:
+    method: get
+    uri: https://slack.com/api/users.list?token=bad_token
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '55'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 13 Sep 2019 21:21:46 GMT
+      Server:
+      - Apache
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Vary:
+      - Accept-Encoding
+      X-Content-Type-Options:
+      - nosniff
+      X-Slack-Req-Id:
+      - ae030d6e-e3a5-4555-9c2a-a6693b50364c
+      X-Xss-Protection:
+      - '0'
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-x0xq
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 bae03a76f4f3eb92893beec8dc1a7f7d.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - BOS50-C1
+      X-Amz-Cf-Id:
+      - 2bfTSy4EErfby2rMZlCWwO-LaeK8GYHbJy7z9hV-F-fEsmbfyI1IYg==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":false,"error":"invalid_auth"}'
+    http_version: 
+  recorded_at: Fri, 13 Sep 2019 21:21:46 GMT
+recorded_with: VCR 5.0.0
diff --git a/test/cassettes/list_channels.yml b/test/cassettes/list_channels.yml
new file mode 100644
index 00000000..50921cea
--- /dev/null
+++ b/test/cassettes/list_channels.yml
@@ -0,0 +1,81 @@
+---
+http_interactions:
+- request:
+    method: get
+    uri: https://slack.com/api/channels.list?token=<SLACK_TOKEN>
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '592'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 13 Sep 2019 21:21:47 GMT
+      Server:
+      - Apache
+      X-Content-Type-Options:
+      - nosniff
+      X-Slack-Req-Id:
+      - 8a2a8a28-889c-4c6f-a2f5-a1a9daf3d5e8
+      X-Oauth-Scopes:
+      - identify,channels:read,users:read,chat:write:bot
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Xss-Protection:
+      - '0'
+      X-Accepted-Oauth-Scopes:
+      - channels:read
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-neww
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 91ba452fa0dd14b0102b6441c9a2d2d4.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - BOS50-C1
+      X-Amz-Cf-Id:
+      - zDLtGX8YJXfKMEWkMAWcYzJ0xi_azXHr3UWgx5hhjFOV7kc0W53zHg==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"channels":[{"id":"CN5RT17J8","name":"random","is_channel":true,"created":1568073362,"is_archived":false,"is_general":false,"unlinked":0,"creator":"UMURTAYP5","name_normalized":"random","is_shared":false,"is_org_shared":false,"is_member":true,"is_private":false,"is_mpim":false,"members":["UMURTAYP5","UN863PN23"],"topic":{"value":"Non-work
+        banter and water cooler conversation","creator":"UMURTAYP5","last_set":1568073362},"purpose":{"value":"A
+        place for non-work-related flimflam, faffing, hodge-podge or jibber-jabber
+        you''d prefer to keep out of more focused work-related channels.","creator":"UMURTAYP5","last_set":1568073362},"previous_names":[],"num_members":2},{"id":"CN862L6AK","name":"general","is_channel":true,"created":1568073362,"is_archived":false,"is_general":true,"unlinked":0,"creator":"UMURTAYP5","name_normalized":"general","is_shared":false,"is_org_shared":false,"is_member":true,"is_private":false,"is_mpim":false,"members":["UMURTAYP5","UN863PN23"],"topic":{"value":"Company-wide
+        announcements and work-based matters","creator":"UMURTAYP5","last_set":1568073362},"purpose":{"value":"This
+        channel is for workspace-wide communication and announcements. All members
+        are in this channel.","creator":"UMURTAYP5","last_set":1568073362},"previous_names":[],"num_members":2},{"id":"CN862LB8F","name":"awesome-slack-cli-design-activity","is_channel":true,"created":1568073362,"is_archived":false,"is_general":false,"unlinked":0,"creator":"UMURTAYP5","name_normalized":"awesome-slack-cli-design-activity","is_shared":false,"is_org_shared":false,"is_member":true,"is_private":false,"is_mpim":false,"members":["UMURTAYP5","UN863PN23"],"topic":{"value":"Discussing
+        the amazing things that are happening here.","creator":"UMURTAYP5","last_set":1568094901},"purpose":{"value":"","creator":"","last_set":0},"previous_names":[],"num_members":2}],"response_metadata":{"next_cursor":""}}'
+    http_version: 
+  recorded_at: Fri, 13 Sep 2019 21:21:47 GMT
+recorded_with: VCR 5.0.0
diff --git a/test/cassettes/list_users.yml b/test/cassettes/list_users.yml
new file mode 100644
index 00000000..9a9ca03f
--- /dev/null
+++ b/test/cassettes/list_users.yml
@@ -0,0 +1,78 @@
+---
+http_interactions:
+- request:
+    method: get
+    uri: https://slack.com/api/users.list?token=<SLACK_TOKEN>
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Content-Length:
+      - '932'
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 13 Sep 2019 21:21:45 GMT
+      Server:
+      - Apache
+      X-Content-Type-Options:
+      - nosniff
+      X-Slack-Req-Id:
+      - '0785ff3e-c56f-4f9c-ac9a-8306bf035b4c'
+      X-Oauth-Scopes:
+      - identify,channels:read,users:read,chat:write:bot
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Xss-Protection:
+      - '0'
+      X-Accepted-Oauth-Scopes:
+      - users:read
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-tucf
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 2efa65d04af0269ba633652ff413a9f3.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - BOS50-C1
+      X-Amz-Cf-Id:
+      - Cpse8ZoelujVTMVUXoiDAGiLJQuMrEnTeJwBSRjNhdiDqGb1ALg65g==
+    body:
+      encoding: ASCII-8BIT
+      string: '{"ok":true,"members":[{"id":"USLACKBOT","team_id":"TMURTAYBV","name":"slackbot","deleted":false,"color":"757575","real_name":"Slackbot","tz":null,"tz_label":"Pacific
+        Daylight Time","tz_offset":-25200,"profile":{"title":"","phone":"","skype":"","real_name":"Slackbot","real_name_normalized":"Slackbot","display_name":"Slackbot","display_name_normalized":"Slackbot","fields":null,"status_text":"","status_emoji":"","status_expiration":0,"avatar_hash":"sv41d8cd98f0","always_active":true,"first_name":"slackbot","last_name":"","image_24":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_24.png","image_32":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_32.png","image_48":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_48.png","image_72":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_72.png","image_192":"https:\/\/a.slack-edge.com\/80588\/marketing\/img\/avatars\/slackbot\/avatar-slackbot.png","image_512":"https:\/\/a.slack-edge.com\/80588\/img\/slackbot_512.png","status_text_canonical":"","team":"TMURTAYBV"},"is_admin":false,"is_owner":false,"is_primary_owner":false,"is_restricted":false,"is_ultra_restricted":false,"is_bot":false,"is_app_user":false,"updated":0},{"id":"UMURTAYP5","team_id":"TMURTAYBV","name":"juliabouv","deleted":false,"color":"9f69e7","real_name":"Julia
+        Bouvier","tz":"America\/Los_Angeles","tz_label":"Pacific Daylight Time","tz_offset":-25200,"profile":{"title":"","phone":"","skype":"","real_name":"Julia
+        Bouvier","real_name_normalized":"Julia Bouvier","display_name":"","display_name_normalized":"","status_text":"","status_emoji":"","status_expiration":0,"avatar_hash":"gd5cb54a2a82","first_name":"Julia","last_name":"Bouvier","image_24":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=24&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-24.png","image_32":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=32&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-32.png","image_48":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=48&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-48.png","image_72":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=72&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-72.png","image_192":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=192&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-192.png","image_512":"https:\/\/secure.gravatar.com\/avatar\/d5cb54a2a827985e630c7b1a77aec5bd.jpg?s=512&d=https%3A%2F%2Fa.slack-edge.com%2F80588%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-512.png","status_text_canonical":"","team":"TMURTAYBV"},"is_admin":true,"is_owner":true,"is_primary_owner":true,"is_restricted":false,"is_ultra_restricted":false,"is_bot":false,"is_app_user":false,"updated":1568073742,"has_2fa":false},{"id":"UN863PN23","team_id":"TMURTAYBV","name":"amalh.a97","deleted":false,"color":"4bbe2e","real_name":"Amal","tz":"America\/Los_Angeles","tz_label":"Pacific
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+    http_version: 
+  recorded_at: Fri, 13 Sep 2019 21:21:45 GMT
+recorded_with: VCR 5.0.0
diff --git a/test/cassettes/send_slack_message.yml b/test/cassettes/send_slack_message.yml
new file mode 100644
index 00000000..64a67936
--- /dev/null
+++ b/test/cassettes/send_slack_message.yml
@@ -0,0 +1,72 @@
+---
+http_interactions:
+- request:
+    method: post
+    uri: https://slack.com/api/chat.postMessage
+    body:
+      encoding: UTF-8
+      string: token=<SLACK_TOKEN>&channel=general&text=This%20is%20a%20message
+    headers:
+      Content-Type:
+      - application/x-www-form-urlencoded
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Transfer-Encoding:
+      - chunked
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 13 Sep 2019 21:23:18 GMT
+      Server:
+      - Apache
+      X-Content-Type-Options:
+      - nosniff
+      X-Slack-Req-Id:
+      - 31b4a7ec-cf38-4ae7-ad98-c2ffa27947b4
+      X-Oauth-Scopes:
+      - identify,channels:read,users:read,chat:write:bot
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Xss-Protection:
+      - '0'
+      X-Accepted-Oauth-Scopes:
+      - chat:write:bot
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-z6bk
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 08905871043ac5aeb0ec57f59d339cc4.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - BOS50-C1
+      X-Amz-Cf-Id:
+      - YAANzacO1Sg5OE3ZAyH_R4gfwJ3SxJNkqaiVpEWMomdMf4-iSFewNw==
+    body:
+      encoding: UTF-8
+      string: '{"ok":true,"channel":"CN862L6AK","ts":"1568409798.000200","message":{"type":"message","subtype":"bot_message","text":"This
+        is a message","ts":"1568409798.000200","username":"Branches - Julia B. - API
+        Project","bot_id":"BN7EKDCGY"}}'
+    http_version: 
+  recorded_at: Fri, 13 Sep 2019 21:23:18 GMT
+recorded_with: VCR 5.0.0
diff --git a/test/cassettes/send_slack_message_error.yml b/test/cassettes/send_slack_message_error.yml
new file mode 100644
index 00000000..61d25a4a
--- /dev/null
+++ b/test/cassettes/send_slack_message_error.yml
@@ -0,0 +1,70 @@
+---
+http_interactions:
+- request:
+    method: post
+    uri: https://slack.com/api/chat.postMessage
+    body:
+      encoding: UTF-8
+      string: token=<SLACK_TOKEN>&channel=general&text=
+    headers:
+      Content-Type:
+      - application/x-www-form-urlencoded
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Type:
+      - application/json; charset=utf-8
+      Transfer-Encoding:
+      - chunked
+      Connection:
+      - keep-alive
+      Date:
+      - Fri, 13 Sep 2019 21:23:19 GMT
+      Server:
+      - Apache
+      X-Content-Type-Options:
+      - nosniff
+      X-Slack-Req-Id:
+      - 2d2f86a8-2fe8-493b-a451-230e296251cd
+      X-Oauth-Scopes:
+      - identify,channels:read,users:read,chat:write:bot
+      Expires:
+      - Mon, 26 Jul 1997 05:00:00 GMT
+      Cache-Control:
+      - private, no-cache, no-store, must-revalidate
+      Access-Control-Expose-Headers:
+      - x-slack-req-id, retry-after
+      X-Xss-Protection:
+      - '0'
+      X-Accepted-Oauth-Scopes:
+      - chat:write:bot
+      Vary:
+      - Accept-Encoding
+      Pragma:
+      - no-cache
+      Access-Control-Allow-Headers:
+      - slack-route, x-slack-version-ts
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Referrer-Policy:
+      - no-referrer
+      Access-Control-Allow-Origin:
+      - "*"
+      X-Via:
+      - haproxy-www-fdpw
+      X-Cache:
+      - Miss from cloudfront
+      Via:
+      - 1.1 5e247ae48d5501e7c1be84d6fd290885.cloudfront.net (CloudFront)
+      X-Amz-Cf-Pop:
+      - BOS50-C1
+      X-Amz-Cf-Id:
+      - a5aNOoeszOcT9rDDxT3YXZBZLq9rM4zIp8jGNm5pOa5fBJkbBW3L-g==
+    body:
+      encoding: UTF-8
+      string: '{"ok":false,"error":"no_text"}'
+    http_version: 
+  recorded_at: Fri, 13 Sep 2019 21:23:19 GMT
+recorded_with: VCR 5.0.0
diff --git a/test/workspace_test.rb b/test/workspace_test.rb
index ebe33d64..dd54b820 100644
--- a/test/workspace_test.rb
+++ b/test/workspace_test.rb
@@ -133,7 +133,7 @@
 
     it "raises exception if there is an error in API response" do
       VCR.use_cassette("send_slack_message_error") do
-        expect { response = @workspace.send_message("", "general") }.must_raise SlackApiError
+        expect { @workspace.send_message("", "general") }.must_raise SlackApiError
       end
     end
   end