context_processors: Convert tests to pytest style

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: Joseph Nuthalapati <njoseph@thoughtworks.com>

plinth/tests/test_context_processors.py

@@ -18,25 +18,16 @@
 """
 Test module for custom context processors.
 """
-from unittest.mock import Mock, MagicMock
+
+from unittest.mock import MagicMock, Mock
 
 from django.http import HttpRequest
-from django.test import TestCase
 
 from plinth import cfg
 from plinth import context_processors as cp
-from plinth import menu
 
 
-def setUpModule():  # noqa
+def test_common():
-    """Setup all test cases by initializing menu module."""
-    menu.init()
-
-
-class ContextProcessorsTestCase(TestCase):
-    """Verify behavior of the context_processors module."""
-
-    def test_common(self):
     """Verify that the common() function returns the correct values."""
     cfg.read()      # initialize config settings
 
@@ -46,24 +37,25 @@ class ContextProcessorsTestCase(TestCase):
     request.user.groups.filter().exists = Mock(return_value=True)
     request.session = MagicMock()
     response = cp.common(request)
-        self.assertIsNotNone(response)
+    assert response is not None
 
     config = response['cfg']
-        self.assertIsNotNone(config)
+    assert config is not None
-        self.assertEqual('FreedomBox', config.box_name)
+    assert config.box_name == 'FreedomBox'
 
-        self.assertEqual('FreedomBox', response['box_name'])
+    assert response['box_name'] == 'FreedomBox'
 
     submenu = response['submenu']
-        self.assertIsNone(submenu)
+    assert submenu is None
 
     urls = response['active_menu_urls']
-        self.assertIsNotNone(urls)
+    assert urls is not None
-        self.assertEqual(['/', '/aaa/', '/aaa/bbb/', '/aaa/bbb/ccc/'], urls)
+    assert ['/', '/aaa/', '/aaa/bbb/', '/aaa/bbb/ccc/'] == urls
 
-        self.assertTrue(response['user_is_admin'])
+    assert response['user_is_admin']
 
-    def test_common_border_conditions(self):
+
+def test_common_border_conditions():
     """Verify that the common() function works for border conditions."""
     request = HttpRequest()
     request.path = ''
@@ -71,12 +63,12 @@ class ContextProcessorsTestCase(TestCase):
     request.user.groups.filter().exists = Mock(return_value=True)
     request.session = MagicMock()
     response = cp.common(request)
-        self.assertEqual([], response['active_menu_urls'])
+    assert response['active_menu_urls'] == []
 
     request.path = '/'
     response = cp.common(request)
-        self.assertEqual(['/'], response['active_menu_urls'])
+    assert response['active_menu_urls'] == ['/']
 
     request.path = '/aaa/bbb'
     response = cp.common(request)
-        self.assertEqual(['/', '/aaa/'], response['active_menu_urls'])
+    assert response['active_menu_urls'] == ['/', '/aaa/']