Fix default_app_config warning

Author: Alexey Semashkevich

django_postgres_hot_upgrade/__init__.py

@@ -1 +1,4 @@
-default_app_config = "django_postgres_hot_upgrade.app.PostgresHotUpgradeConfig"
+import django
+
+if django.VERSION[:2] < (3, 2):
+    default_app_config = "django_postgres_hot_upgrade.apps.PostgresHotUpgradeConfig"

django_postgres_hot_upgrade/app.py django_postgres_hot_upgrade/apps.pydjango_postgres_hot_upgrade/app.py renamed to django_postgres_hot_upgrade/apps.py

@@ -1,14 +1,14 @@
 import pytest
 from django.db.backends import signals as django_signals
 
-from django_postgres_hot_upgrade import app
+from django_postgres_hot_upgrade import apps
 
 
 @pytest.fixture(autouse=True)
 def module_cache():
-    app._version_cache = {}
+    apps._version_cache = {}
     yield
-    app._version_cache = {}
+    apps._version_cache = {}
 
 
 @pytest.mark.parametrize(
@@ -21,7 +21,7 @@ def module_cache():
 )
 def test_should_run(mocker, vendor, alias, expected):
     connection = mocker.Mock(vendor=vendor, alias=alias)
-    assert app._should_run(connection) is expected
+    assert apps._should_run(connection) is expected
 
 
 def test_config_ready():
@@ -39,35 +39,35 @@ def fake_connection(mocker):
 
 
 def test_on_connect_should_not_run(fake_connection, mocker):
-    clear = mocker.patch("django_postgres_hot_upgrade.app._clear")
+    clear = mocker.patch("django_postgres_hot_upgrade.apps._clear")
     fake_connection = mocker.Mock(vendor="mysql", alias="default")
-    app._on_connect(connection=fake_connection)
+    apps._on_connect(connection=fake_connection)
     clear.assert_not_called()
 
 
 def test_on_connect_first_call(fake_connection, mocker):
-    clear = mocker.patch("django_postgres_hot_upgrade.app._clear")
+    clear = mocker.patch("django_postgres_hot_upgrade.apps._clear")
     fake_connection.connection.server_version = 100000
-    app._on_connect(connection=fake_connection)
-    assert app._version_cache == {"default": 100000}
+    apps._on_connect(connection=fake_connection)
+    assert apps._version_cache == {"default": 100000}
     clear.assert_called()
 
 
 def test_on_connect_second_call_same_version(fake_connection, mocker):
-    clear = mocker.patch("django_postgres_hot_upgrade.app._clear")
+    clear = mocker.patch("django_postgres_hot_upgrade.apps._clear")
     fake_connection.connection.server_version = 100000
-    app._on_connect(connection=fake_connection)
+    apps._on_connect(connection=fake_connection)
     clear.reset_mock()
-    app._on_connect(connection=fake_connection)
+    apps._on_connect(connection=fake_connection)
     clear.assert_not_called()
 
 
 def test_on_connect_second_call_different_version(fake_connection, mocker):
-    clear = mocker.patch("django_postgres_hot_upgrade.app._clear")
+    clear = mocker.patch("django_postgres_hot_upgrade.apps._clear")
     fake_connection.connection.server_version = 100000
-    app._on_connect(connection=fake_connection)
+    apps._on_connect(connection=fake_connection)
     fake_connection.connection.server_version = 120000
     clear.reset_mock()
-    app._on_connect(connection=fake_connection)
-    assert app._version_cache == {"default": 120000}
+    apps._on_connect(connection=fake_connection)
+    assert apps._version_cache == {"default": 120000}
     clear.assert_called()