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# Copyright 2012 OpenStack Foundation
# 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. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License 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 inspect
import types
from unittest import mock
import pkg_resources
import testtools
import troveclient.shell
class DiscoverTest(testtools.TestCase):
def test_discover_via_entry_points(self):
def mock_iter_entry_points(group):
if group == 'troveclient.extension':
fake_ep = mock.Mock()
fake_ep.name = 'foo'
fake_ep.module = types.ModuleType('foo')
fake_ep.load.return_value = fake_ep.module
return [fake_ep]
@mock.patch.object(pkg_resources, 'iter_entry_points',
mock_iter_entry_points)
def test():
shell = troveclient.shell.OpenStackTroveShell()
for name, module in shell._discover_via_entry_points():
self.assertEqual('foo', name)
self.assertTrue(inspect.ismodule(module))
test()
def test_discover_extensions(self):
def mock_discover_via_python_path(self):
yield 'foo', types.ModuleType('foo')
def mock_discover_via_contrib_path(self, version):
yield 'bar', types.ModuleType('bar')
def mock_discover_via_entry_points(self):
yield 'baz', types.ModuleType('baz')
@mock.patch.object(troveclient.shell.OpenStackTroveShell,
'_discover_via_python_path',
mock_discover_via_python_path)
@mock.patch.object(troveclient.shell.OpenStackTroveShell,
'_discover_via_contrib_path',
mock_discover_via_contrib_path)
@mock.patch.object(troveclient.shell.OpenStackTroveShell,
'_discover_via_entry_points',
mock_discover_via_entry_points)
def test():
shell = troveclient.shell.OpenStackTroveShell()
extensions = shell._discover_extensions('1.0')
self.assertEqual(3, len(extensions))
names = sorted(['foo', 'bar', 'baz'])
sorted_extensions = sorted(extensions, key=lambda ext: ext.name)
for i in range(len(names)):
ext = sorted_extensions[i]
name = names[i]
self.assertEqual(name, ext.name)
self.assertTrue(inspect.ismodule(ext.module))
test()
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