Added tests

test/ci_provider/gitlab/merge_request_test.py

@@ -0,0 +1,62 @@
+import unittest
+from unittest.mock import patch, MagicMock
+from valhalla.ci_provider.gitlab.merge_request import GitLabValhallaMergeRequest, get_description
+from valhalla.common.get_config import MergeRequestConfig
+
+class TestGitLabValhallaMergeRequest(unittest.TestCase):
+
+    @patch("valhalla.ci_provider.gitlab.merge_request.info")
+    def test_get_description_with_default(self, mock_info):
+        description = get_description("")
+        self.assertEqual(description, "Created by Valhalla! Visit https://github.com/logchange/valhalla and leave a star!")
+        mock_info.assert_called_with("merge_request.description not specified, using default")
+
+    @patch("valhalla.ci_provider.gitlab.merge_request.info")
+    def test_get_description_with_custom(self, mock_info):
+        description = get_description("Custom description")
+        self.assertEqual(description, "Custom description")
+        mock_info.assert_not_called()
+
+    @patch("valhalla.ci_provider.gitlab.merge_request.get_gitlab_client")
+    @patch("valhalla.ci_provider.gitlab.merge_request.get_project_id")
+    @patch("valhalla.ci_provider.gitlab.merge_request.resolve")
+    @patch("valhalla.ci_provider.gitlab.merge_request.info")
+    @patch("valhalla.ci_provider.gitlab.merge_request.warn")
+    def test_create_merge_request(self, mock_warn, mock_info, mock_resolve, mock_get_project_id, mock_get_gitlab_client):
+        with patch.dict('os.environ', {'CI_COMMIT_BRANCH': 'feature-branch', 'CI_DEFAULT_BRANCH': 'main'}):
+            # given:
+            mock_get_project_id.return_value = "123"
+            mock_resolve.side_effect = lambda x: x
+            mock_gitlab_client = MagicMock()
+            mock_project = MagicMock()
+            mock_merge_request = MagicMock()
+            mock_project.mergerequests.create.return_value = mock_merge_request
+            mock_merge_request.web_url = "http://example.com/mr/1"
+            mock_gitlab_client.projects.get.return_value = mock_project
+            mock_get_gitlab_client.return_value = mock_gitlab_client
+
+            merge_request = GitLabValhallaMergeRequest()
+
+            config = MergeRequestConfig(
+                enabled=True,
+                title="Test MR",
+                description=None,
+                target_branch="develop",
+                reviewers=None
+            )
+
+            # when:
+            merge_request.create(config)
+
+            # then:
+            mock_info.assert_any_call("Creating merge request from feature-branch to develop")
+            mock_project.mergerequests.create.assert_called_once_with({
+                'source_branch': 'feature-branch',
+                'target_branch': 'develop',
+                'title': 'Test MR',
+                'description': "Created by Valhalla! Visit https://github.com/logchange/valhalla and leave a star!",
+                'remove_source_branch': True,
+                'reviewer_ids': []
+            })
+            mock_warn.assert_called_with("Reviewers list is None or empty")
+            mock_info.assert_any_call("Created merge request: http://example.com/mr/1")