Add filter dist_git_branch for release component

JIRA: PDC-1038

pdc/apps/component/filters.py

@@ -151,6 +151,7 @@ class ReleaseComponentFilter(ComposeFilterSet):
     brew_package = MultiValueFilter()
     active = CaseInsensitiveBooleanFilter()
     type = CharFilter(name='type__name')
+    dist_git_branch = MultiValueFilter()
 
     @value_is_not_empty
     def filter_together(self, qs, value):
@@ -259,7 +260,7 @@ def filter_together(self, qs, value):
     class Meta:
         model = ReleaseComponent
         fields = ('name', 'release', 'email', 'contact_role', 'global_component', 'active',
-                  'bugzilla_component', 'type')
+                  'bugzilla_component', 'type', 'dist_git_branch')
 
 
 class BugzillaComponentFilter(ComposeFilterSet):

pdc/apps/component/tests.py

@@ -828,6 +828,17 @@ def test_filter_release_component_by_wrong_active(self):
         self.assertEqual(response.status_code, status.HTTP_200_OK)
         self.assertEqual(response.data['count'], 0)
 
+    def test_filter_release_component_by_dist_git_branch(self):
+        url = reverse('releasecomponent-detail', kwargs={'pk': 1})
+        data = {'dist_git_branch': 'python3.0'}
+        response = self.client.patch(url, data, format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        url = reverse('releasecomponent-list')
+        response = self.client.get(url + '?dist_git_branch=python3.0', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.data['count'], 1)
+
     def test_detail_release_component(self):
         url = reverse('releasecomponent-detail', kwargs={'pk': 1})
         response = self.client.get(url, format='json')