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import pytest
from mcp_server_gitlab_python.server import create_server, GitLabPythonServer
from unittest.mock import MagicMock, patch
def test_create_server():
server = create_server()
assert server is not None
def make_mock_diff(old_path, new_path, diff):
m = MagicMock()
m.old_path = old_path
m.new_path = new_path
m.diff = diff
return m
@patch("mcp_server_gitlab_python.server.get_gitlab_settings", return_value=("https://gitlab.com", "dummy-token"))
@patch("gitlab.Gitlab")
def test_get_mr_diff_small_diff(mock_gitlab, mock_settings):
server = GitLabPythonServer(working_directory="/tmp")
proj = MagicMock()
mr = MagicMock()
mock_gitlab.return_value.projects.get.return_value = proj
proj.mergerequests.get.return_value = mr
mr.diffs.list.return_value = [
make_mock_diff("file1.txt", "file1.txt", "diff content 1"),
make_mock_diff("file2.py", "file2.py", "diff content 2"),
]
result = server.get_mr_diff("project/path", 1, max_size_kb=100)
assert "diff" in result
assert "file1.txt" in result["diff"]
assert result["temp_file_path"] is None
assert result["size_kb"] < 100
@patch("mcp_server_gitlab_python.server.get_gitlab_settings", return_value=("https://gitlab.com", "dummy-token"))
@patch("gitlab.Gitlab")
@patch("tempfile.NamedTemporaryFile")
def test_get_mr_diff_large_diff_temp_file(mock_tempfile, mock_gitlab, mock_settings):
server = GitLabPythonServer(working_directory="/tmp")
proj = MagicMock()
mr = MagicMock()
mock_gitlab.return_value.projects.get.return_value = proj
proj.mergerequests.get.return_value = mr
# Create a large diff
large_diff = "x" * (101 * 1024)
mock_diff = make_mock_diff("bigfile.txt", "bigfile.txt", large_diff)
mr.diffs.list.return_value = [mock_diff]
mock_file = MagicMock()
mock_file.name = "/tmp/mr_diff_12345.diff"
mock_tempfile.return_value.__enter__.return_value = mock_file
result = server.get_mr_diff("project/path", 1, max_size_kb=100)
assert result["diff_too_large"] is True
assert result["temp_file_path"] == "/tmp/mr_diff_12345.diff"
assert result["size_kb"] > 100
assert "message" in result
mock_file.write.assert_called_once()
@patch("mcp_server_gitlab_python.server.get_gitlab_settings", return_value=("https://gitlab.com", "dummy-token"))
@patch("gitlab.Gitlab")
def test_get_mr_diff_filter_extensions(mock_gitlab, mock_settings):
server = GitLabPythonServer(working_directory="/tmp")
proj = MagicMock()
mr = MagicMock()
mock_gitlab.return_value.projects.get.return_value = proj
proj.mergerequests.get.return_value = mr
# One file should be filtered out
mr.diffs.list.return_value = [
make_mock_diff("file.lock", "file.lock", "should be filtered"),
make_mock_diff("file.txt", "file.txt", "should be present"),
]
result = server.get_mr_diff("project/path", 1, max_size_kb=100, filter_extensions=[".lock"])
assert "file.lock" not in result["diff"]
assert "file.txt" in result["diff"]
assert "should be present" in result["diff"]
assert "should be filtered" not in result["diff"]
@patch("mcp_server_gitlab_python.server.get_gitlab_settings", return_value=("https://gitlab.com", "dummy-token"))
@patch("gitlab.Gitlab")
def test_get_mr_diff_error_handling(mock_gitlab, mock_settings):
server = GitLabPythonServer(working_directory="/tmp")
mock_gitlab.return_value.projects.get.side_effect = Exception("Not found")
result = server.get_mr_diff("project/path", 1)
assert "error" in result
assert "Not found" in result["error"]
@patch("mcp_server_gitlab_python.server.get_gitlab_settings", return_value=("https://gitlab.com", "dummy-token"))
@patch("gitlab.Gitlab")
def test_run_ci_pipeline_success_with_branch(mock_gitlab, mock_settings):
server = GitLabPythonServer(working_directory="/tmp")
proj = MagicMock()
pipeline = MagicMock()
pipeline.id = 123
pipeline.web_url = "https://gitlab.com/project/-/pipelines/123"
proj.pipelines.create.return_value = pipeline
mock_gitlab.return_value.projects.get.return_value = proj
result = server.run_ci_pipeline(
project="project/path",
branch="main",
variables={"FOO": "bar"},
web_mode=False,
working_directory="/tmp"
)
assert result["success"] is True
assert result["pipeline_id"] == 123
assert result["pipeline_url"] == "https://gitlab.com/project/-/pipelines/123"
assert result["branch"] == "main"
assert result["web_mode"] is False
proj.pipelines.create.assert_called_once()
args = proj.pipelines.create.call_args[0][0]
assert args["ref"] == "main"
assert {"key": "FOO", "value": "bar"} in args["variables"]
@patch("mcp_server_gitlab_python.server.get_gitlab_settings", return_value=("https://gitlab.com", "dummy-token"))
@patch("gitlab.Gitlab")
@patch("subprocess.run")
def test_run_ci_pipeline_success_current_branch(mock_subprocess, mock_gitlab, mock_settings):
server = GitLabPythonServer(working_directory="/tmp")
proj = MagicMock()
pipeline = MagicMock()
pipeline.id = 456
pipeline.web_url = "https://gitlab.com/project/-/pipelines/456"
proj.pipelines.create.return_value = pipeline
proj.default_branch = "main"
mock_gitlab.return_value.projects.get.return_value = proj
# Simulate git branch detection
mock_git = MagicMock()
mock_git.returncode = 0
mock_git.stdout = "feature-branch"
mock_subprocess.return_value = mock_git
result = server.run_ci_pipeline(
project="project/path",
branch=None,
variables=None,
web_mode=False,
working_directory="/tmp"
)
assert result["success"] is True
assert result["pipeline_id"] == 456
assert result["pipeline_url"] == "https://gitlab.com/project/-/pipelines/456"
assert result["branch"] == "feature-branch"
mock_subprocess.assert_called_once_with([
"git", "branch", "--show-current"
], capture_output=True, text=True, check=False, cwd="/tmp")
proj.pipelines.create.assert_called_once()
@patch("mcp_server_gitlab_python.server.get_gitlab_settings", return_value=("https://gitlab.com", "dummy-token"))
@patch("gitlab.Gitlab")
@patch("subprocess.run")
def test_run_ci_pipeline_fallback_to_default_branch(mock_subprocess, mock_gitlab, mock_settings):
server = GitLabPythonServer(working_directory="/tmp")
proj = MagicMock()
pipeline = MagicMock()
pipeline.id = 789
pipeline.web_url = "https://gitlab.com/project/-/pipelines/789"
proj.pipelines.create.return_value = pipeline
proj.default_branch = "main"
mock_gitlab.return_value.projects.get.return_value = proj
# Simulate git branch detection failure
mock_git = MagicMock()
mock_git.returncode = 1
mock_git.stdout = ""
mock_subprocess.return_value = mock_git
result = server.run_ci_pipeline(
project="project/path",
branch=None,
variables=None,
web_mode=False,
working_directory="/tmp"
)
assert result["success"] is True
assert result["branch"] == "main"
proj.pipelines.create.assert_called_once()
@patch("mcp_server_gitlab_python.server.get_gitlab_settings", return_value=("https://gitlab.com", "dummy-token"))
@patch("gitlab.Gitlab")
def test_run_ci_pipeline_web_mode(mock_gitlab, mock_settings):
server = GitLabPythonServer(working_directory="/tmp")
proj = MagicMock()
pipeline = MagicMock()
pipeline.id = 321
pipeline.web_url = "https://gitlab.com/project/-/pipelines/321"
proj.pipelines.create.return_value = pipeline
mock_gitlab.return_value.projects.get.return_value = proj
result = server.run_ci_pipeline(
project="project/path",
branch="main",
variables={"FOO": "bar"},
web_mode=True,
working_directory="/tmp"
)
assert result["success"] is True
assert result["web_mode"] is True
args = proj.pipelines.create.call_args[0][0]
# Should include CI_PIPELINE_SOURCE=web
assert {"key": "CI_PIPELINE_SOURCE", "value": "web"} in args["variables"]
@patch("mcp_server_gitlab_python.server.get_gitlab_settings", return_value=("https://gitlab.com", "dummy-token"))
@patch("gitlab.Gitlab")
def test_run_ci_pipeline_error_handling(mock_gitlab, mock_settings):
server = GitLabPythonServer(working_directory="/tmp")
mock_gitlab.return_value.projects.get.side_effect = Exception("Not found")
result = server.run_ci_pipeline(
project="project/path",
branch="main",
variables=None,
web_mode=False,
working_directory="/tmp"
)
assert "error" in result
assert "Not found" in result["error"]
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