test_entry_point.py

Enable keyboard shortcuts

# This Source Code Form is subject to the terms of the Mozilla Public

# License, v. 2.0. If a copy of the MPL was not distributed with this

# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import sys

import types

from pathlib import Path

from unittest.mock import patch

from mozunit import main

from mach.base import MachError

from mach.test.conftest import TestBase

class Entry:

    """Stub replacement for pkg_resources.EntryPoint"""

    def __init__(self, providers):

        self.providers = providers

    def load(self):

        def _providers():

            return self.providers

        return _providers

class TestEntryPoints(TestBase):

    """Test integrating with setuptools entry points"""

    provider_dir = Path(__file__).parent.resolve() / "providers"

    def _run_help(self):

        return self._run_mach(["help"], entry_point="mach.providers")

    @patch("pkg_resources.iter_entry_points")

    def test_load_entry_point_from_directory(self, mock):

        # Ensure parent module is present otherwise we'll (likely) get

        # an error due to unknown parent.

        if "mach.commands" not in sys.modules:

            mod = types.ModuleType("mach.commands")

            sys.modules["mach.commands"] = mod

        mock.return_value = [Entry([self.provider_dir])]

        # Mach error raised due to conditions_invalid.py

        with self.assertRaises(MachError):

            self._run_help()

    @patch("pkg_resources.iter_entry_points")

    def test_load_entry_point_from_file(self, mock):

        mock.return_value = [Entry([self.provider_dir / "basic.py"])]

        result, stdout, stderr = self._run_help()

        self.assertIsNone(result)

        self.assertIn("cmd_foo", stdout)

if __name__ == "__main__":

    main()