kvstore: Convert tests to pytest style

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

plinth/tests/test_kvstore.py

@@ -21,34 +21,32 @@ Test module for key/value store.
 
 import pytest
 
-from django.test import TestCase
-
 from plinth import kvstore
 
+pytestmark = pytest.mark.django_db
 
-@pytest.mark.django_db
-class KVStoreTestCase(TestCase):
-    """Verify the behavior of the kvstore module."""
 
-    def test_get_set(self):
-        """Verify that a set value can be retrieved."""
-        key = 'name'
-        expected_value = 'Guido'
-        kvstore.set(key, expected_value)
-        actual_value = kvstore.get(key)
-        self.assertEqual(expected_value, actual_value)
+def test_get_set():
+    """Verify that a set value can be retrieved."""
+    key = 'name'
+    expected_value = 'Guido'
+    kvstore.set(key, expected_value)
+    actual_value = kvstore.get(key)
+    assert expected_value == actual_value
 
-    def test_get_set_complex_structures(self):
-        """Verify that complex structures can be stored and retrieved."""
-        key = 'compex_structure'
-        expected_value = {'k1': 1, 'k2': [2, 3], 'k3': 4.5, 'k4': 'Hello',
-                          'k5': {'a': 'b'}}
-        kvstore.set(key, expected_value)
-        actual_value = kvstore.get(key)
-        self.assertEqual(expected_value, actual_value)
 
-    def test_get_default(self):
-        """Verify that either a set value or its default can be retrieved."""
-        expected = 'default'
-        actual = kvstore.get_default('bad_key', expected)
-        self.assertEqual(expected, actual)
+def test_get_set_complex_structures():
+    """Verify that complex structures can be stored and retrieved."""
+    key = 'compex_structure'
+    expected_value = {'k1': 1, 'k2': [2, 3], 'k3': 4.5, 'k4': 'Hello',
+                      'k5': {'a': 'b'}}
+    kvstore.set(key, expected_value)
+    actual_value = kvstore.get(key)
+    assert expected_value == actual_value
+
+
+def test_get_default():
+    """Verify that either a set value or its default can be retrieved."""
+    expected = 'default'
+    actual = kvstore.get_default('bad_key', expected)
+    assert expected == actual