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# Copyright 2012-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
import sys
from botocore import hooks
from awscli import plugin
from awscli.testutils import mock, unittest
class FakeModule:
def __init__(self):
self.called = False
self.context = None
self.events_seen = []
def awscli_initialize(self, context):
self.called = True
self.context = context
self.context.register(
'before_operation',
(lambda **kwargs: self.events_seen.append(kwargs)),
)
class TestPlugins(unittest.TestCase):
def setUp(self):
self.fake_module = FakeModule()
sys.modules['__fake_plugin__'] = self.fake_module
self.plugin_mapping = {
'cli_legacy_plugin_path': 'fake-path',
'fake_plugin': '__fake_plugin__',
}
def tearDown(self):
del sys.modules['__fake_plugin__']
def test_plugin_register(self):
emitter = plugin.load_plugins(self.plugin_mapping)
self.assertTrue(self.fake_module.called)
self.assertTrue(isinstance(emitter, hooks.HierarchicalEmitter))
self.assertTrue(
isinstance(self.fake_module.context, hooks.HierarchicalEmitter)
)
def test_event_hooks_can_be_passed_in(self):
hooks = plugin.HierarchicalEmitter()
emitter = plugin.load_plugins(self.plugin_mapping, event_hooks=hooks)
emitter.emit('before_operation')
self.assertEqual(len(self.fake_module.events_seen), 1)
def test_plugins_not_registered_if_cli_legacy_plugin_path_not_set(self):
del self.plugin_mapping['cli_legacy_plugin_path']
plugin.load_plugins(self.plugin_mapping)
self.assertFalse(self.fake_module.called)
class TestPluginCanBePackage(unittest.TestCase):
def setUp(self):
self.fake_module = FakeModule()
self.fake_package = mock.Mock()
sys.modules['__fake_plugin__'] = self.fake_package
sys.modules['__fake_plugin__.__fake__'] = self.fake_package
sys.modules['__fake_plugin__.__fake__.bar'] = self.fake_module
self.plugin_mapping = {
'cli_legacy_plugin_path': 'fake-path',
'fake_plugin': '__fake_plugin__.__fake__.bar',
}
def tearDown(self):
del sys.modules['__fake_plugin__.__fake__']
def test_plugin_register(self):
plugin.load_plugins(
{
'cli_legacy_plugin_path': 'fake-path',
'fake_plugin': '__fake_plugin__.__fake__.bar',
}
)
self.assertTrue(self.fake_module.called)
if __name__ == '__main__':
unittest.main()
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