dav_base: improved tests

dav_base/tests/test_config_modules.py

@@ -45,6 +45,11 @@ class ModuleMetaTestCase(SimpleTestCase):
         with self.assertRaises(ImproperlyConfigured):
             _ = mm.url_conf_pattern
 
+    def test_str(self):
+        app_name = 'dav_base.tests.fake_app1'
+        mm = ModuleMeta(app_name)
+        self.assertEqual(str(mm), '- {}'.format(app_name))
+
     def test_load_from_dict(self):
         mm = ModuleMeta('dav_base.tests.fake_app1')
         dd = {'package': 'dav_base2.foo',
@@ -168,19 +173,6 @@ class ModuleConfigTestCase(SimpleTestCase):
             mc = ModuleConfig(config_file_path=config_file, django_base_dir=self.config_dir)
             self.assertEqual(list(mc.modules.keys()), ['pkg11', 'pkg22'])
 
-    def test_save_empty(self):
-        self.assertFalse(os.path.exists(self.config_file))
-        with patch('dav_base.config.modules.settings') as mock_settings:
-            mock_settings.BASE_DIR = self.temp_dir
-            mc = ModuleConfig()
-            mc.save()
-        self.assertTrue(os.path.isfile(self.config_file))
-
-        with open(self.config_file, 'r', encoding='ascii') as f:
-            config_data = json.load(f)
-
-        self.assertEqual(config_data, {'modules': []})
-
     def test_save(self):
         config_data = {
             'modules': [
@@ -209,3 +201,31 @@ class ModuleConfigTestCase(SimpleTestCase):
             config_data = json.load(f)
 
         self.assertEqual(config_data, expected_config_data)
+
+    def test_save_empty(self):
+        self.assertFalse(os.path.exists(self.config_file))
+        with patch('dav_base.config.modules.settings') as mock_settings:
+            mock_settings.BASE_DIR = self.temp_dir
+            mc = ModuleConfig()
+            mc.save()
+        self.assertTrue(os.path.isfile(self.config_file))
+
+        with open(self.config_file, 'r', encoding='ascii') as f:
+            config_data = json.load(f)
+
+        self.assertEqual(config_data, {'modules': []})
+
+    def test_save_overwrite(self):
+        with patch('dav_base.config.modules.settings') as mock_settings:
+            mock_settings.BASE_DIR = self.temp_dir
+            mc = ModuleConfig()
+            mc.save()
+            self.assertTrue(os.path.isfile(self.config_file))
+            mc.modules['mod1'] = ModuleMeta('mod1', load=False)
+            mc.save()
+
+        with open(self.config_file, 'r', encoding='ascii') as f:
+            config_data = json.load(f)
+
+        self.assertEqual(config_data, {'modules': [{'package': 'mod1'}]})
+