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"""Tests for flake8.plugins.manager.PluginManager."""
from unittest import mock
from flake8._compat import importlib_metadata
from flake8.plugins import manager
@mock.patch.object(importlib_metadata, "entry_points")
def test_calls_entrypoints_on_instantiation(entry_points_mck):
"""Verify that we call entry_points() when we create a manager."""
entry_points_mck.return_value = {}
manager.PluginManager(namespace="testing.entrypoints")
entry_points_mck.assert_called_once_with()
@mock.patch.object(importlib_metadata, "entry_points")
def test_calls_entrypoints_creates_plugins_automaticaly(entry_points_mck):
"""Verify that we create Plugins on instantiation."""
entry_points_mck.return_value = {
"testing.entrypoints": [
importlib_metadata.EntryPoint("T100", "", "testing.entrypoints"),
importlib_metadata.EntryPoint("T200", "", "testing.entrypoints"),
],
}
plugin_mgr = manager.PluginManager(namespace="testing.entrypoints")
entry_points_mck.assert_called_once_with()
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.object(importlib_metadata, "entry_points")
def test_handles_mapping_functions_across_plugins(entry_points_mck):
"""Verify we can use the PluginManager call functions on all plugins."""
entry_points_mck.return_value = {
"testing.entrypoints": [
importlib_metadata.EntryPoint("T100", "", "testing.entrypoints"),
importlib_metadata.EntryPoint("T200", "", "testing.entrypoints"),
],
}
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.object(importlib_metadata, "entry_points")
def test_local_plugins(entry_points_mck):
"""Verify PluginManager can load given local plugins."""
entry_points_mck.return_value = {}
plugin_mgr = manager.PluginManager(
namespace="testing.entrypoints", local_plugins=["X = path.to:Plugin"]
)
assert plugin_mgr.plugins["X"].entry_point.value == "path.to:Plugin"
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