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"""Tests for flake8.plugins.manager.PluginManager."""
import mock
from flake8.plugins import manager
def create_entry_point_mock(name):
"""Create a mocked EntryPoint."""
ep = mock.Mock(spec=['name'])
ep.name = name
return ep
@mock.patch('entrypoints.get_group_all')
def test_calls_entrypoints_on_instantiation(get_group_all):
"""Verify that we call get_group_all when we create a manager."""
get_group_all.return_value = []
manager.PluginManager(namespace='testing.entrypoints')
get_group_all.assert_called_once_with('testing.entrypoints')
@mock.patch('entrypoints.get_group_all')
def test_calls_entrypoints_creates_plugins_automaticaly(get_group_all):
"""Verify that we create Plugins on instantiation."""
get_group_all.return_value = [
create_entry_point_mock('T100'),
create_entry_point_mock('T200'),
]
plugin_mgr = manager.PluginManager(namespace='testing.entrypoints')
get_group_all.assert_called_once_with('testing.entrypoints')
assert 'T100' in plugin_mgr.plugins
assert 'T200' in plugin_mgr.plugins
assert isinstance(plugin_mgr.plugins['T100'], manager.Plugin)
assert isinstance(plugin_mgr.plugins['T200'], manager.Plugin)
@mock.patch('entrypoints.get_group_all')
def test_handles_mapping_functions_across_plugins(get_group_all):
"""Verify we can use the PluginManager call functions on all plugins."""
entry_point_mocks = [
create_entry_point_mock('T100'),
create_entry_point_mock('T200'),
]
get_group_all.return_value = entry_point_mocks
plugin_mgr = manager.PluginManager(namespace='testing.entrypoints')
plugins = [plugin_mgr.plugins[name] for name in plugin_mgr.names]
assert list(plugin_mgr.map(lambda x: x)) == plugins
@mock.patch('entrypoints.get_group_all')
def test_local_plugins(get_group_all):
"""Verify PluginManager can load given local plugins."""
get_group_all.return_value = []
plugin_mgr = manager.PluginManager(
namespace='testing.entrypoints',
local_plugins=['X = path.to:Plugin']
)
assert plugin_mgr.plugins['X'].entry_point.module_name == 'path.to'
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