"""Tests for list_merge_requests tool using pytest-mock."""
import importlib
import pytest
# Import the actual module file directly (not through tools/__init__.py which re-exports functions)
list_mr_module = importlib.import_module("gitlab_mr_mcp.tools.list_merge_requests")
@pytest.fixture
def sample_merge_request():
"""Return a sample merge request object."""
return {
"iid": 42,
"title": "Add new feature",
"description": "This MR adds a cool new feature",
"state": "opened",
"draft": False,
"author": {"username": "johndoe", "name": "John Doe"},
"assignees": [{"username": "reviewer1", "name": "Reviewer One"}],
"reviewers": [{"username": "reviewer2", "name": "Reviewer Two"}],
"source_branch": "feature-branch",
"target_branch": "main",
"created_at": "2024-01-15T10:00:00Z",
"updated_at": "2024-01-16T10:00:00Z",
"merged_at": None,
"web_url": "https://gitlab.example.com/project/-/merge_requests/42",
"labels": ["enhancement", "needs-review"],
"has_conflicts": False,
"merge_status": "can_be_merged",
}
@pytest.mark.asyncio
async def test_list_merge_requests_returns_formatted_results(mocker, sample_merge_request):
"""Test that list_merge_requests formats API response correctly."""
# Patch using mocker.patch.object on the MODULE
mock_get_mrs = mocker.patch.object(
list_mr_module, "get_merge_requests", return_value=(200, [sample_merge_request], "")
)
mocker.patch.object(list_mr_module, "get_merge_request_pipeline", return_value=(200, {"status": "success"}, ""))
mocker.patch.object(list_mr_module, "get_merge_request_changes", return_value=(200, {"changes": []}, ""))
result = await list_mr_module.list_merge_requests(
"https://gitlab.example.com",
"123",
"test-token",
{"state": "opened", "limit": 10},
)
assert len(result) == 1
assert sample_merge_request["title"] in result[0].text
assert str(sample_merge_request["iid"]) in result[0].text
mock_get_mrs.assert_called_once()
@pytest.mark.asyncio
async def test_list_merge_requests_empty_result(mocker):
"""Test list_merge_requests with no results."""
mocker.patch.object(list_mr_module, "get_merge_requests", return_value=(200, [], ""))
result = await list_mr_module.list_merge_requests(
"https://gitlab.example.com",
"123",
"test-token",
{"state": "opened", "limit": 10},
)
assert len(result) == 1
assert "No merge requests found" in result[0].text
