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58 lines
2.2 KiB
Python
58 lines
2.2 KiB
Python
"""Tests for flake8.plugins.manager.PluginManager."""
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import mock
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from flake8._compat import importlib_metadata
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from flake8.plugins import manager
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@mock.patch.object(importlib_metadata, 'entry_points')
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def test_calls_entrypoints_on_instantiation(entry_points_mck):
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"""Verify that we call entry_points() when we create a manager."""
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entry_points_mck.return_value = {}
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manager.PluginManager(namespace='testing.entrypoints')
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entry_points_mck.assert_called_once_with()
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@mock.patch.object(importlib_metadata, 'entry_points')
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def test_calls_entrypoints_creates_plugins_automaticaly(entry_points_mck):
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"""Verify that we create Plugins on instantiation."""
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entry_points_mck.return_value = {
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'testing.entrypoints': [
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importlib_metadata.EntryPoint('T100', '', None),
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importlib_metadata.EntryPoint('T200', '', None),
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],
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}
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plugin_mgr = manager.PluginManager(namespace='testing.entrypoints')
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entry_points_mck.assert_called_once_with()
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assert 'T100' in plugin_mgr.plugins
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assert 'T200' in plugin_mgr.plugins
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assert isinstance(plugin_mgr.plugins['T100'], manager.Plugin)
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assert isinstance(plugin_mgr.plugins['T200'], manager.Plugin)
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@mock.patch.object(importlib_metadata, 'entry_points')
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def test_handles_mapping_functions_across_plugins(entry_points_mck):
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"""Verify we can use the PluginManager call functions on all plugins."""
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entry_points_mck.return_value = {
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'testing.entrypoints': [
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importlib_metadata.EntryPoint('T100', '', None),
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importlib_metadata.EntryPoint('T200', '', None),
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],
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}
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plugin_mgr = manager.PluginManager(namespace='testing.entrypoints')
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plugins = [plugin_mgr.plugins[name] for name in plugin_mgr.names]
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assert list(plugin_mgr.map(lambda x: x)) == plugins
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@mock.patch.object(importlib_metadata, 'entry_points')
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def test_local_plugins(entry_points_mck):
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"""Verify PluginManager can load given local plugins."""
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entry_points_mck.return_value = {}
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plugin_mgr = manager.PluginManager(
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namespace='testing.entrypoints',
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local_plugins=['X = path.to:Plugin']
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)
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assert plugin_mgr.plugins['X'].entry_point.value == 'path.to:Plugin'
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