285 lines
11 KiB
Python
285 lines
11 KiB
Python
# Copyright (c) 2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish, dis-
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# tribute, sublicense, and/or sell copies of the Software, and to permit
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# persons to whom the Software is furnished to do so, subject to the fol-
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# lowing conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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import os
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import contextlib
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import mock
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from botocore.exceptions import DataNotFoundError, UnknownServiceError
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from botocore.loaders import JSONFileLoader
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from botocore.loaders import Loader, create_loader
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from tests import BaseEnvVar
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class TestJSONFileLoader(BaseEnvVar):
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def setUp(self):
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super(TestJSONFileLoader, self).setUp()
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self.data_path = os.path.join(os.path.dirname(__file__), 'data')
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self.file_loader = JSONFileLoader()
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self.valid_file_path = os.path.join(self.data_path, 'foo')
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def test_load_file(self):
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data = self.file_loader.load_file(self.valid_file_path)
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self.assertEqual(len(data), 3)
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self.assertTrue('test_key_1' in data)
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def test_load_json_file_does_not_exist_returns_none(self):
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# None is used to indicate that the loader could not find a
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# file to load.
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self.assertIsNone(self.file_loader.load_file('fooasdfasdfasdf'))
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def test_file_exists_check(self):
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self.assertTrue(self.file_loader.exists(self.valid_file_path))
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def test_file_does_not_exist_returns_false(self):
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self.assertFalse(self.file_loader.exists(
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os.path.join(self.data_path, 'does', 'not', 'exist')))
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def test_file_with_non_ascii(self):
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try:
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filename = os.path.join(self.data_path, 'non_ascii')
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self.assertTrue(self.file_loader.load_file(filename) is not None)
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except UnicodeDecodeError:
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self.fail('Fail to handle data file with non-ascii characters')
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class TestLoader(BaseEnvVar):
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def test_default_search_paths(self):
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loader = Loader()
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self.assertEqual(len(loader.search_paths), 2)
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# We should also have ~/.aws/models added to
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# the search path. To deal with cross platform
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# issues we'll just check for a path that ends
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# with .aws/models.
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home_dir_path = os.path.join('.aws', 'models')
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self.assertTrue(
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any(p.endswith(home_dir_path) for p in
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loader.search_paths))
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def test_can_add_to_search_path(self):
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loader = Loader()
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loader.search_paths.append('mypath')
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self.assertIn('mypath', loader.search_paths)
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def test_can_initialize_with_search_paths(self):
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loader = Loader(extra_search_paths=['foo', 'bar'])
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# Note that the extra search paths are before
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# the customer/builtin data paths.
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self.assertEqual(
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loader.search_paths,
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['foo', 'bar', loader.CUSTOMER_DATA_PATH,
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loader.BUILTIN_DATA_PATH])
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# The file loader isn't consulted unless the current
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# search path exists, so we're patching isdir to always
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# say that a directory exists.
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@mock.patch('os.path.isdir', mock.Mock(return_value=True))
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def test_load_data_uses_loader(self):
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search_paths = ['foo', 'bar', 'baz']
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class FakeLoader(object):
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def load_file(self, name):
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expected_ending = os.path.join('bar', 'baz')
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if name.endswith(expected_ending):
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return ['loaded data']
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loader = Loader(extra_search_paths=search_paths,
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file_loader=FakeLoader())
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loaded = loader.load_data('baz')
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self.assertEqual(loaded, ['loaded data'])
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def test_data_not_found_raises_exception(self):
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class FakeLoader(object):
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def load_file(self, name):
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# Returning None indicates that the
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# loader couldn't find anything.
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return None
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loader = Loader(file_loader=FakeLoader())
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with self.assertRaises(DataNotFoundError):
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loader.load_data('baz')
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@mock.patch('os.path.isdir', mock.Mock(return_value=True))
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def test_error_raised_if_service_does_not_exist(self):
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loader = Loader(extra_search_paths=[],
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include_default_search_paths=False)
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with self.assertRaises(DataNotFoundError):
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loader.determine_latest_version('unknownservice', 'service-2')
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@mock.patch('os.path.isdir', mock.Mock(return_value=True))
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def test_load_service_model(self):
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class FakeLoader(object):
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def load_file(self, name):
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return ['loaded data']
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loader = Loader(extra_search_paths=['foo'],
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file_loader=FakeLoader(),
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include_default_search_paths=False)
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loader.determine_latest_version = mock.Mock(return_value='2015-03-01')
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loader.list_available_services = mock.Mock(return_value=['baz'])
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loaded = loader.load_service_model('baz', type_name='service-2')
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self.assertEqual(loaded, ['loaded data'])
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@mock.patch('os.path.isdir', mock.Mock(return_value=True))
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def test_load_service_model_enforces_case(self):
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class FakeLoader(object):
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def load_file(self, name):
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return ['loaded data']
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loader = Loader(extra_search_paths=['foo'],
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file_loader=FakeLoader(),
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include_default_search_paths=False)
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loader.determine_latest_version = mock.Mock(return_value='2015-03-01')
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loader.list_available_services = mock.Mock(return_value=['baz'])
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# Should have a) the unknown service name and b) list of valid
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# service names.
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with self.assertRaisesRegexp(UnknownServiceError,
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'Unknown service.*BAZ.*baz'):
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loader.load_service_model('BAZ', type_name='service-2')
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def test_load_service_model_uses_provided_type_name(self):
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loader = Loader(extra_search_paths=['foo'],
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file_loader=mock.Mock(),
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include_default_search_paths=False)
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loader.list_available_services = mock.Mock(return_value=['baz'])
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# Should have a) the unknown service name and b) list of valid
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# service names.
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provided_type_name = 'not-service-2'
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with self.assertRaisesRegexp(UnknownServiceError,
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'Unknown service.*BAZ.*baz'):
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loader.load_service_model(
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'BAZ', type_name=provided_type_name)
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loader.list_available_services.assert_called_with(provided_type_name)
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def test_create_loader_parses_data_path(self):
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search_path = os.pathsep.join(['foo', 'bar', 'baz'])
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loader = create_loader(search_path)
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self.assertIn('foo', loader.search_paths)
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self.assertIn('bar', loader.search_paths)
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self.assertIn('baz', loader.search_paths)
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class TestLoadersWithDirectorySearching(BaseEnvVar):
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def setUp(self):
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super(TestLoadersWithDirectorySearching, self).setUp()
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self.fake_directories = {}
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def tearDown(self):
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super(TestLoadersWithDirectorySearching, self).tearDown()
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@contextlib.contextmanager
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def loader_with_fake_dirs(self):
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mock_file_loader = mock.Mock()
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mock_file_loader.exists = self.fake_exists
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search_paths = list(self.fake_directories)
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loader = Loader(extra_search_paths=search_paths,
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include_default_search_paths=False,
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file_loader=mock_file_loader)
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with mock.patch('os.listdir', self.fake_listdir):
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with mock.patch('os.path.isdir', mock.Mock(return_value=True)):
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yield loader
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def fake_listdir(self, dirname):
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parts = dirname.split(os.path.sep)
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result = self.fake_directories
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while parts:
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current = parts.pop(0)
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result = result[current]
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return list(result)
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def fake_exists(self, path):
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parts = path.split(os.sep)
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result = self.fake_directories
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while len(parts) > 1:
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current = parts.pop(0)
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result = result[current]
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return parts[0] in result
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def test_list_available_services(self):
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self.fake_directories = {
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'foo': {
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'ec2': {
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'2010-01-01': ['service-2'],
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'2014-10-01': ['service-1'],
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},
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'dynamodb': {
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'2010-01-01': ['service-2'],
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},
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},
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'bar': {
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'ec2': {
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'2015-03-01': ['service-1'],
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},
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'rds': {
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# This will not show up in
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# list_available_services() for type
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# service-2 because it does not contains
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# a service-2.
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'2012-01-01': ['resource-1'],
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},
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},
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}
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with self.loader_with_fake_dirs() as loader:
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self.assertEqual(
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loader.list_available_services(type_name='service-2'),
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['dynamodb', 'ec2'])
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self.assertEqual(
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loader.list_available_services(type_name='resource-1'),
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['rds'])
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def test_determine_latest(self):
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# Fake mapping of directories to subdirectories.
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# In this example, we can see that the 'bar' directory
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# contains the latest EC2 API version, 2015-03-01,
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# so loader.determine_latest('ec2') should return
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# this value 2015-03-01.
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self.fake_directories = {
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'foo': {
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'ec2': {
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'2010-01-01': ['service-2'],
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# This directory contains the latest API version
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# for EC2 because its the highest API directory
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# that contains a service-2.
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'2014-10-01': ['service-2'],
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},
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},
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'bar': {
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'ec2': {
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'2012-01-01': ['service-2'],
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# 2015-03-1 is *not* the latest for service-2,
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# because its directory only has service-1.json.
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'2015-03-01': ['service-1'],
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},
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},
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}
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with self.loader_with_fake_dirs() as loader:
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latest = loader.determine_latest_version('ec2', 'service-2')
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self.assertEqual(loader.determine_latest_version('ec2', 'service-2'),
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'2014-10-01')
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self.assertEqual(loader.determine_latest_version('ec2', 'service-1'),
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'2015-03-01')
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