feat: add PR review and edit tools to CLI and MCP server

tests/test_mcp_server.py

@@ -21,7 +21,11 @@ from mcp_server import (  # noqa: E402
     gitea_list_prs,
     gitea_view_pr,
     gitea_merge_pr,
+    gitea_review_pr,
     gitea_delete_branch,
+    gitea_edit_pr,
+    gitea_get_file,
+    gitea_commit_files,
 )
 
 FAKE_AUTH = "Basic dGVzdDp0ZXN0"
@@ -305,6 +309,47 @@ class TestMergePR(unittest.TestCase):
         self.assertEqual(payload["force_merge"], True)
 
 
+# ---------------------------------------------------------------------------
+# Review PR
+# ---------------------------------------------------------------------------
+class TestReviewPR(unittest.TestCase):
+
+    @patch("mcp_server.api_request")
+    @patch("mcp_server.get_auth_header", return_value=FAKE_AUTH)
+    def test_review_pr_and_merge(self, _auth, mock_api):
+        # GET PR response (fetch head SHA)
+        mock_api.side_effect = [
+            {"head": {"sha": "sha-val-123"}},  # GET PR pulls/1
+            {},                               # POST review
+            {},                               # POST merge
+        ]
+        result = gitea_review_pr(
+            pr_number=1,
+            event="APPROVE",
+            body="Looks good",
+            merge=True,
+            merge_method="squash"
+        )
+        self.assertTrue(result["success"])
+        self.assertIn("Successfully submitted review", result["message"])
+        self.assertIn("Successfully merged", result["message"])
+        
+        # Check call counts and arguments
+        self.assertEqual(mock_api.call_count, 3)
+        
+        # Verify GET PR
+        self.assertEqual(mock_api.call_args_list[0][0][0], "GET")
+        
+        # Verify POST review
+        self.assertEqual(mock_api.call_args_list[1][0][0], "POST")
+        self.assertEqual(mock_api.call_args_list[1][0][3]["event"], "APPROVE")
+        self.assertEqual(mock_api.call_args_list[1][0][3]["commit_id"], "sha-val-123")
+        
+        # Verify POST merge
+        self.assertEqual(mock_api.call_args_list[2][0][0], "POST")
+        self.assertEqual(mock_api.call_args_list[2][0][3]["Do"], "squash")
+
+
 # ---------------------------------------------------------------------------
 # Delete Branch
 # ---------------------------------------------------------------------------
@@ -322,5 +367,104 @@ class TestDeleteBranch(unittest.TestCase):
         self.assertIn("feat%2Fbranch", url)
 
 
+# ---------------------------------------------------------------------------
+# Edit PR
+# ---------------------------------------------------------------------------
+class TestEditPR(unittest.TestCase):
+
+    @patch("mcp_server.api_request")
+    @patch("mcp_server.get_auth_header", return_value=FAKE_AUTH)
+    def test_edit_pr_success(self, _auth, mock_api):
+        mock_api.return_value = {
+            "number": 1,
+            "title": "New Title",
+            "body": "New description",
+            "state": "open",
+            "html_url": "https://gitea.example.com/pulls/1"
+        }
+        result = gitea_edit_pr(
+            pr_number=1,
+            title="New Title",
+            body="New description",
+            state="open"
+        )
+        self.assertTrue(result["success"])
+        self.assertEqual(result["title"], "New Title")
+        self.assertEqual(result["body"], "New description")
+
+        # Verify PATCH and payload
+        call_args = mock_api.call_args
+        self.assertEqual(call_args[0][0], "PATCH")
+        self.assertEqual(call_args[0][3]["title"], "New Title")
+        self.assertEqual(call_args[0][3]["body"], "New description")
+        self.assertEqual(call_args[0][3]["state"], "open")
+
+    def test_edit_pr_no_fields_raises(self):
+        with self.assertRaises(ValueError):
+            gitea_edit_pr(pr_number=1)
+
+
+# ---------------------------------------------------------------------------
+# Get File
+# ---------------------------------------------------------------------------
+class TestGetFile(unittest.TestCase):
+
+    @patch("mcp_server.api_request")
+    @patch("mcp_server.get_auth_header", return_value=FAKE_AUTH)
+    def test_get_file_success(self, _auth, mock_api):
+        mock_api.return_value = {
+            "name": "README.md",
+            "path": "README.md",
+            "sha": "3a0b123",
+            "size": 100,
+            "encoding": "base64",
+            "content": "SGVsbG8gV29ybGQ="
+        }
+        result = gitea_get_file(filepath="README.md", ref="main")
+        self.assertEqual(result["name"], "README.md")
+        self.assertEqual(result["sha"], "3a0b123")
+        self.assertEqual(result["content"], "SGVsbG8gV29ybGQ=")
+
+        # Verify endpoint and GET method
+        call_args = mock_api.call_args
+        self.assertEqual(call_args[0][0], "GET")
+        self.assertIn("contents/README.md", call_args[0][1])
+        self.assertIn("ref=main", call_args[0][1])
+
+
+# ---------------------------------------------------------------------------
+# Commit Files
+# ---------------------------------------------------------------------------
+class TestCommitFiles(unittest.TestCase):
+
+    @patch("mcp_server.api_request")
+    @patch("mcp_server.get_auth_header", return_value=FAKE_AUTH)
+    def test_commit_files_success(self, _auth, mock_api):
+        mock_api.return_value = {
+            "commit": {"sha": "commit-sha-123"},
+            "branch": {"name": "test-branch"}
+        }
+        files = [
+            {"operation": "create", "path": "test.txt", "content": "SGVsbG8="}
+        ]
+        result = gitea_commit_files(
+            files=files,
+            message="Initial commit",
+            new_branch="test-branch"
+        )
+        self.assertTrue(result["success"])
+        self.assertEqual(result["commit"], "commit-sha-123")
+        self.assertEqual(result["branch"], "test-branch")
+
+        # Verify POST method and payload
+        call_args = mock_api.call_args
+        self.assertEqual(call_args[0][0], "POST")
+        self.assertIn("/contents", call_args[0][1])
+        payload = call_args[0][3]
+        self.assertEqual(payload["message"], "Initial commit")
+        self.assertEqual(payload["new_branch"], "test-branch")
+        self.assertEqual(payload["files"], files)
+
+
 if __name__ == "__main__":
     unittest.main()