tests: Add tests for linking series feature

Closes getpatchwork#506

Signed-off-by: andrepapoti <[email protected]>

patchwork/tests/api/test_series.py

@@ -203,3 +203,24 @@ def test_create_update_delete(self):
 
         resp = self.client.delete(self.api_url(series.id))
         self.assertEqual(status.HTTP_405_METHOD_NOT_ALLOWED, resp.status_code)
+
+    def test_series_linking(self):
+        series_a = self._create_series()
+        series_b = create_series(
+            project=series_a.project, submitter=series_a.submitter
+        )
+
+        self.client.authenticate(user=series_a.submitter.user)
+        url = reverse(
+            'api-series-link',
+            kwargs={'pk': series_a.id, 'related_series_id': series_b.id},
+        )
+        resp = self.client.options(url)
+        resp = self.client.patch(url)
+
+        related_series = resp.data.get('related_series')
+        self.assertEqual(len(related_series), 1)
+        self.assertEqual(
+            related_series[0]['web_url'],
+            f'http://example.com/project/myproject/list/?series={series_b.id}',
+        )

patchwork/tests/test_series.py

@@ -8,11 +8,13 @@
 import unittest
 
 from django.test import TestCase
+from rest_framework.request import HttpRequest
 
 from patchwork import models
 from patchwork import parser
 from patchwork.tests import utils
 from patchwork.views.utils import patch_to_mbox
+from patchwork.api.series import SeriesSerializer
 
 
 TEST_SERIES_DIR = os.path.join(os.path.dirname(__file__), 'series')
@@ -804,3 +806,49 @@ def test_custom_name(self):
         self.assertEqual(series.name, series_name)
 
         mbox.close()
+
+
+class SeriesSerializerTestCase(TestCase):
+    def test_related_series_validation_equal_project_id(self):
+        series_a = utils.create_series()
+        series_b = utils.create_series(project=series_a.project)
+
+        mock_request = HttpRequest()
+        mock_request.version = '1.4'
+        mock_request.META['SERVER_NAME'] = 'example.com'
+        mock_request.META['SERVER_PORT'] = '8000'
+
+        related_series_ids_a = list(
+            series_a.related_series.all().values_list('id', flat=True)
+        )
+        serializer = SeriesSerializer(
+            series_a,
+            context={'request': mock_request},
+            data={'related_series': related_series_ids_a + [series_b.pk]},
+            partial=True,
+        )
+        serializer.is_valid()
+        serializer.save()
+
+        related_series_urls = serializer.data['related_series']
+        self.assertEqual(len(related_series_urls), 1)
+        self.assertEqual(
+            f'series={series_b.id}' in related_series_urls[0]['web_url'], True
+        )
+
+    def test_related_series_validation_different_project_id(self):
+        series_a = utils.create_series()
+        series_b = utils.create_series()
+
+        mock_request = HttpRequest()
+        mock_request.version = '1.4'
+        mock_request.META['SERVER_NAME'] = 'example.com'
+        mock_request.META['SERVER_PORT'] = '8000'
+
+        serializer = SeriesSerializer(
+            series_a,
+            context={'request': mock_request},
+            data={'related_series': [series_b.pk]},
+        )
+        is_valid = serializer.is_valid()
+        self.assertFalse(is_valid)