From 90134b769ad58d0f51623b4dbe0018c3bf83a02d Mon Sep 17 00:00:00 2001
From: Vasiliy Krasnobay <krasnobay@users.noreply.github.com>
Date: Tue, 15 Jan 2019 23:02:42 +0400
Subject: [PATCH 01/12] implemented Exercise::Arrays.replace

---
 test/exercise/arrays/solution.rb | 4 ++++
 test/exercise/arrays/test.rb     | 1 -
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/test/exercise/arrays/solution.rb b/test/exercise/arrays/solution.rb
index a7d518fc..29bdbc14 100644
--- a/test/exercise/arrays/solution.rb
+++ b/test/exercise/arrays/solution.rb
@@ -2,6 +2,10 @@ module Exercise
   module Arrays
     class << self
       def replace(array)
+        max = array.max
+        for i in 0..array.length - 1
+          array[i] = max if array[i] > 0
+        end
         array
       end
 
diff --git a/test/exercise/arrays/test.rb b/test/exercise/arrays/test.rb
index 7af337a2..a34cdf1c 100644
--- a/test/exercise/arrays/test.rb
+++ b/test/exercise/arrays/test.rb
@@ -4,7 +4,6 @@
 class Exercise::ArraysTest < Minitest::Test
   # Заменить все положительные элементы целочисленного массива на максимальное значение элементов массива.
   def test_replace
-    skip
     array = [3, 2, -8, 4, 100, -6, 7, 8, -99]
     new_array = Exercise::Arrays.replace(array)
 

From 71a513dd4a5f915c507fba9f044239b3479743b6 Mon Sep 17 00:00:00 2001
From: Vasiliy Krasnobay <krasnobay@users.noreply.github.com>
Date: Wed, 16 Jan 2019 00:20:36 +0400
Subject: [PATCH 02/12] implemented Exercise::Arrays.search

---
 test/exercise/arrays/solution.rb | 16 ++++++++++++++--
 test/exercise/arrays/test.rb     |  1 -
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/test/exercise/arrays/solution.rb b/test/exercise/arrays/solution.rb
index 29bdbc14..a33c4aef 100644
--- a/test/exercise/arrays/solution.rb
+++ b/test/exercise/arrays/solution.rb
@@ -9,8 +9,20 @@ def replace(array)
         array
       end
 
-      def search(_array, _query)
-        0
+      def search(array, query)
+        bin_search array, query, 0, array.length - 1
+      end
+
+      def bin_search(array, query, left, right)
+        return -1 unless left <= right
+        i = (left + right) / 2
+        if array[i] == query
+          i
+        elsif array[i] < query
+          bin_search array, query, i + 1, right
+        elsif array[i] > query
+          bin_search array, query, left, i - 1
+        end
       end
     end
   end
diff --git a/test/exercise/arrays/test.rb b/test/exercise/arrays/test.rb
index a34cdf1c..1495fbc1 100644
--- a/test/exercise/arrays/test.rb
+++ b/test/exercise/arrays/test.rb
@@ -13,7 +13,6 @@ def test_replace
   # Реализовать бинарный поиск
   # Функция должна возвращать индекс элемента
   def test_bin_search
-    skip
     assert Exercise::Arrays.search([1], 900) == -1
     assert Exercise::Arrays.search([1], 1) == 0
     assert Exercise::Arrays.search([], 900) == -1

From a4620e888b7d76ed02011cb7c194c2549d82496b Mon Sep 17 00:00:00 2001
From: Vasiliy Krasnobay <krasnobay@users.noreply.github.com>
Date: Fri, 18 Jan 2019 19:20:44 +0400
Subject: [PATCH 03/12] implemented Exercise::Fp.rating

---
 test/exercise/fp/solution.rb | 10 ++++++++--
 test/exercise/fp/test.rb     |  1 -
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/test/exercise/fp/solution.rb b/test/exercise/fp/solution.rb
index 91c40040..57d49a86 100644
--- a/test/exercise/fp/solution.rb
+++ b/test/exercise/fp/solution.rb
@@ -4,8 +4,14 @@ class << self
       # Обратиться к параметрам фильма можно так:
       # film["name"], film["rating_kinopoisk"], film["rating_imdb"],
       # film["genres"], film["year"], film["access_level"], film["country"]
-      def rating(_array)
-        0
+      def rating(array)
+        filtered = array.select do |film|
+          !film['country'].nil? &&
+            film['country'].split(',').length >= 2 &&
+            !film['rating_kinopoisk'].nil? &&
+            film['rating_kinopoisk'].to_f > 0
+        end
+        filtered.map { |e| e['rating_kinopoisk'].to_f }.reduce(:+) / filtered.length
       end
 
       def chars_count(_films, _threshold)
diff --git a/test/exercise/fp/test.rb b/test/exercise/fp/test.rb
index cec0f97d..6d05f4c1 100644
--- a/test/exercise/fp/test.rb
+++ b/test/exercise/fp/test.rb
@@ -7,7 +7,6 @@ class Exercise::FpTest < Minitest::Test
   # Посчитать средний рейтинг фильмов по версии кинопоиска у которых две или больше стран
   # Фильмы у которых рейтиг не задан или равен 0 не учитывать в расчете среднего.
   def test_rating
-    skip
     array = CSV.readlines('./test/fixtures/films.csv', headers: true)
 
     result = Exercise::Fp.rating(array)

From e4345961447d3c23cc9c8e091e315571c2fc0a0a Mon Sep 17 00:00:00 2001
From: Vasiliy Krasnobay <krasnobay@users.noreply.github.com>
Date: Sun, 20 Jan 2019 20:40:19 +0400
Subject: [PATCH 04/12] implemented Exercise::Fp.chars_count

---
 test/exercise/fp/solution.rb | 4 ++--
 test/exercise/fp/test.rb     | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/test/exercise/fp/solution.rb b/test/exercise/fp/solution.rb
index 57d49a86..8939003c 100644
--- a/test/exercise/fp/solution.rb
+++ b/test/exercise/fp/solution.rb
@@ -14,8 +14,8 @@ def rating(array)
         filtered.map { |e| e['rating_kinopoisk'].to_f }.reduce(:+) / filtered.length
       end
 
-      def chars_count(_films, _threshold)
-        0
+      def chars_count(films, threshold)
+        films.map { |e| e['rating_kinopoisk'].to_f >= threshold ? e['name'].count('и') : 0 }.reduce :+
       end
     end
   end
diff --git a/test/exercise/fp/test.rb b/test/exercise/fp/test.rb
index 6d05f4c1..1d98db57 100644
--- a/test/exercise/fp/test.rb
+++ b/test/exercise/fp/test.rb
@@ -15,7 +15,6 @@ def test_rating
 
   # Посчитать количесвто букв 'и' в названиях всех фильмов с рейтингом кинопоиска больше или равным заданному значению
   def test_chars_count
-    skip
     array = CSV.readlines('./test/fixtures/films.csv', headers: true)
 
     result = Exercise::Fp.chars_count(array, 5)

From 9a84db10e456c17419909b626b68d635fb5a21c9 Mon Sep 17 00:00:00 2001
From: Vasiliy Krasnobay <krasnobay@users.noreply.github.com>
Date: Sun, 20 Jan 2019 21:21:08 +0400
Subject: [PATCH 05/12] implemented MyArray.my_each

---
 test/exercise/fp2/solution.rb | 3 +++
 test/exercise/fp2/test.rb     | 1 -
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/test/exercise/fp2/solution.rb b/test/exercise/fp2/solution.rb
index ead5e5e5..0666024b 100644
--- a/test/exercise/fp2/solution.rb
+++ b/test/exercise/fp2/solution.rb
@@ -6,6 +6,9 @@ class MyArray < Array
 
       # Написать свою функцию my_each
       def my_each
+        for e in self
+          yield e
+        end
       end
 
       # Написать свою функцию my_map
diff --git a/test/exercise/fp2/test.rb b/test/exercise/fp2/test.rb
index 1af56b35..fa837a91 100644
--- a/test/exercise/fp2/test.rb
+++ b/test/exercise/fp2/test.rb
@@ -11,7 +11,6 @@ def setup
   end
 
   def test_my_each
-    skip
     result = []
     my_result = []
 

From 242be08d65f1844a9870dec01c4fc6d686c9c083 Mon Sep 17 00:00:00 2001
From: Vasiliy Krasnobay <krasnobay@users.noreply.github.com>
Date: Sun, 20 Jan 2019 21:32:07 +0400
Subject: [PATCH 06/12] implemented MyArray.my_map

---
 test/exercise/fp2/solution.rb | 4 ++++
 test/exercise/fp2/test.rb     | 1 -
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/test/exercise/fp2/solution.rb b/test/exercise/fp2/solution.rb
index 0666024b..4f8f7cc8 100644
--- a/test/exercise/fp2/solution.rb
+++ b/test/exercise/fp2/solution.rb
@@ -13,6 +13,10 @@ def my_each
 
       # Написать свою функцию my_map
       def my_map
+        res = MyArray.new
+        for e in self
+          res.push yield(e)
+        end
       end
 
       # Написать свою функцию my_compact
diff --git a/test/exercise/fp2/test.rb b/test/exercise/fp2/test.rb
index fa837a91..d9873e3e 100644
--- a/test/exercise/fp2/test.rb
+++ b/test/exercise/fp2/test.rb
@@ -22,7 +22,6 @@ def test_my_each
   end
 
   def test_my_map
-    skip
     func = -> (element) { element * @int }
     assert @array.map(&func) == @my_array.my_map(&func)
     assert @array.map(&func).map(&func) == @my_array.my_map(&func).my_map(&func)

From 038e8939e667f8db5047b397f128cd5483d81f95 Mon Sep 17 00:00:00 2001
From: Vasiliy Krasnobay <krasnobay@users.noreply.github.com>
Date: Sun, 20 Jan 2019 21:49:37 +0400
Subject: [PATCH 07/12] implemented MyArray.my_compact

---
 test/exercise/fp2/solution.rb | 6 ++++++
 test/exercise/fp2/test.rb     | 1 -
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/test/exercise/fp2/solution.rb b/test/exercise/fp2/solution.rb
index 4f8f7cc8..440626db 100644
--- a/test/exercise/fp2/solution.rb
+++ b/test/exercise/fp2/solution.rb
@@ -17,10 +17,16 @@ def my_map
         for e in self
           res.push yield(e)
         end
+        res
       end
 
       # Написать свою функцию my_compact
       def my_compact
+        res = MyArray.new
+        for e in self
+          res.push(e) unless e.nil?
+        end
+        res
       end
 
       # Написать свою функцию my_reduce
diff --git a/test/exercise/fp2/test.rb b/test/exercise/fp2/test.rb
index d9873e3e..29cccb31 100644
--- a/test/exercise/fp2/test.rb
+++ b/test/exercise/fp2/test.rb
@@ -28,7 +28,6 @@ def test_my_map
   end
 
   def test_my_compact
-    skip
     func = -> (element) { element if element.even? }
     func_another = -> (element) { element * @int }
     func_yet_another = -> (element) { element.even? }

From b117f03625e8027f2f10e420f2049ac5c59a10c9 Mon Sep 17 00:00:00 2001
From: Vasiliy Krasnobay <krasnobay@users.noreply.github.com>
Date: Sun, 20 Jan 2019 22:29:23 +0400
Subject: [PATCH 08/12] implemented MyArray.my_reduce

---
 test/exercise/fp2/solution.rb | 6 +++++-
 test/exercise/fp2/test.rb     | 1 -
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/test/exercise/fp2/solution.rb b/test/exercise/fp2/solution.rb
index 440626db..95d2e7c3 100644
--- a/test/exercise/fp2/solution.rb
+++ b/test/exercise/fp2/solution.rb
@@ -30,7 +30,11 @@ def my_compact
       end
 
       # Написать свою функцию my_reduce
-      def my_reduce
+      def my_reduce(acc = nil)
+        for e in self
+          acc = acc ? yield(acc, e) : e
+        end
+        acc
       end
     end
   end
diff --git a/test/exercise/fp2/test.rb b/test/exercise/fp2/test.rb
index 29cccb31..645de57d 100644
--- a/test/exercise/fp2/test.rb
+++ b/test/exercise/fp2/test.rb
@@ -37,7 +37,6 @@ def test_my_compact
   end
 
   def test_my_reduce
-    skip
     func = -> (acc, element) { acc * element }
 
     assert @array.reduce(&func) == @my_array.my_reduce(&func)

From 46b72425755883ddc12f2dca579657f357562bdb Mon Sep 17 00:00:00 2001
From: Vasiliy Krasnobay <krasnobay@users.noreply.github.com>
Date: Sun, 20 Jan 2019 23:34:48 +0400
Subject: [PATCH 09/12] implemented exercise/rackup

---
 test/exercise/rackup/inatra.rb | 14 +++++++++++++-
 test/exercise/rackup/test.rb   | 10 ++++------
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/test/exercise/rackup/inatra.rb b/test/exercise/rackup/inatra.rb
index a04045d9..8c1bd1f4 100644
--- a/test/exercise/rackup/inatra.rb
+++ b/test/exercise/rackup/inatra.rb
@@ -1,9 +1,21 @@
 module Inatra
   class << self
-    def routes
+    def method_missing(method_name, *args, &block)
+      path = args.first.to_s
+      method = method_name.upcase.to_s
+      @routes[path] ||= {}
+      @routes[path][method] = block
+    end
+
+    def routes(&block)
+      @routes ||= {}
+      instance_eval(&block)
     end
 
     def call(env)
+      path = env['PATH_INFO']
+      method = env['REQUEST_METHOD'].upcase.to_s
+      @routes[path][method].call(env)
     end
   end
 end
diff --git a/test/exercise/rackup/test.rb b/test/exercise/rackup/test.rb
index abc99cb4..b36f9b22 100644
--- a/test/exercise/rackup/test.rb
+++ b/test/exercise/rackup/test.rb
@@ -6,11 +6,9 @@
 
 class RackTest < Test::Unit::TestCase
   def test_it_says_hello_world
-    omit do
-      browser = Rack::Test::Session.new(Rack::MockSession.new(Inatra))
-      browser.get '/hello'
-      assert browser.last_response.ok?
-      assert_equal 'Hello World', browser.last_response.body
-    end
+    browser = Rack::Test::Session.new(Rack::MockSession.new(Inatra))
+    browser.get '/hello'
+    assert browser.last_response.ok?
+    assert_equal 'Hello World', browser.last_response.body
   end
 end

From a2dde809dd4a93694225b75c30df07771119d014 Mon Sep 17 00:00:00 2001
From: Vasiliy Krasnobay <krasnobay@users.noreply.github.com>
Date: Sun, 20 Jan 2019 23:45:00 +0400
Subject: [PATCH 10/12] refactoring

---
 test/exercise/arrays/solution.rb | 5 +----
 test/exercise/fp/solution.rb     | 1 -
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/test/exercise/arrays/solution.rb b/test/exercise/arrays/solution.rb
index a33c4aef..ffb5f42a 100644
--- a/test/exercise/arrays/solution.rb
+++ b/test/exercise/arrays/solution.rb
@@ -3,10 +3,7 @@ module Arrays
     class << self
       def replace(array)
         max = array.max
-        for i in 0..array.length - 1
-          array[i] = max if array[i] > 0
-        end
-        array
+        array.map { |e| e > 0 ? max : e }
       end
 
       def search(array, query)
diff --git a/test/exercise/fp/solution.rb b/test/exercise/fp/solution.rb
index 8939003c..29a8005e 100644
--- a/test/exercise/fp/solution.rb
+++ b/test/exercise/fp/solution.rb
@@ -8,7 +8,6 @@ def rating(array)
         filtered = array.select do |film|
           !film['country'].nil? &&
             film['country'].split(',').length >= 2 &&
-            !film['rating_kinopoisk'].nil? &&
             film['rating_kinopoisk'].to_f > 0
         end
         filtered.map { |e| e['rating_kinopoisk'].to_f }.reduce(:+) / filtered.length

From d2533743749dfe9d63e6d6c543864050d249a371 Mon Sep 17 00:00:00 2001
From: Vasiliy Krasnobay <krasnobay@users.noreply.github.com>
Date: Tue, 22 Jan 2019 21:01:05 +0400
Subject: [PATCH 11/12] implemented method search max

---
 test/exercise/arrays/solution.rb | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/test/exercise/arrays/solution.rb b/test/exercise/arrays/solution.rb
index ffb5f42a..a0aebbe8 100644
--- a/test/exercise/arrays/solution.rb
+++ b/test/exercise/arrays/solution.rb
@@ -2,14 +2,20 @@ module Exercise
   module Arrays
     class << self
       def replace(array)
-        max = array.max
-        array.map { |e| e > 0 ? max : e }
+        m = max array
+        array.map { |e| e > 0 ? m : e }
       end
 
       def search(array, query)
         bin_search array, query, 0, array.length - 1
       end
 
+      def max array
+        buf = array[0]
+        array.each { |e| buf = e if e > buf }
+        buf
+      end
+
       def bin_search(array, query, left, right)
         return -1 unless left <= right
         i = (left + right) / 2

From cfda954855b5da278fdabd1c281035b23e85903e Mon Sep 17 00:00:00 2001
From: Vasiliy Krasnobay <krasnobay@users.noreply.github.com>
Date: Tue, 22 Jan 2019 22:48:24 +0400
Subject: [PATCH 12/12] refactoring exercise/fp2

---
 test/exercise/fp2/solution.rb | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/test/exercise/fp2/solution.rb b/test/exercise/fp2/solution.rb
index 95d2e7c3..9a34e027 100644
--- a/test/exercise/fp2/solution.rb
+++ b/test/exercise/fp2/solution.rb
@@ -14,26 +14,20 @@ def my_each
       # Написать свою функцию my_map
       def my_map
         res = MyArray.new
-        for e in self
-          res.push yield(e)
-        end
+        self.my_each { |e| res.push yield(e) }
         res
       end
 
       # Написать свою функцию my_compact
       def my_compact
         res = MyArray.new
-        for e in self
-          res.push(e) unless e.nil?
-        end
+        self.my_each { |e| res.push e unless e.nil? }
         res
       end
 
       # Написать свою функцию my_reduce
       def my_reduce(acc = nil)
-        for e in self
-          acc = acc ? yield(acc, e) : e
-        end
+        self.my_each { |e| acc = acc ? yield(acc, e) : e }
         acc
       end
     end