61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
# Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"). You
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# may not use this file except in compliance with the License. A copy of
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# the License is located at
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#
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# https://aws.amazon.com/apache2.0/
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#
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# or in the "license" file accompanying this file. This file is
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# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
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# ANY KIND, either express or implied. See the License for the specific
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# language governing permissions and limitations under the License.
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import types
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from tests import mock, unittest
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import pytest
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from boto3 import utils
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class FakeModule(object):
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@staticmethod
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def entry_point(**kwargs):
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return kwargs
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class TestUtils(unittest.TestCase):
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def test_lazy_call(self):
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with mock.patch('boto3.utils.import_module') as importer:
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importer.return_value = FakeModule
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lazy_function = utils.lazy_call(
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'fakemodule.FakeModule.entry_point')
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assert lazy_function(a=1, b=2) == {'a': 1, 'b': 2}
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def test_import_module(self):
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module = utils.import_module('boto3.s3.transfer')
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assert module.__name__ == 'boto3.s3.transfer'
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assert isinstance(module, types.ModuleType)
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def test_inject_attributes_with_no_shadowing(self):
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class_attributes = {}
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utils.inject_attribute(class_attributes, 'foo', 'bar')
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assert class_attributes['foo'] == 'bar'
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def test_shadowing_existing_var_raises_exception(self):
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class_attributes = {'foo': 'preexisting'}
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with pytest.raises(RuntimeError):
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utils.inject_attribute(class_attributes, 'foo', 'bar')
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class TestLazyLoadedWaiterModel(unittest.TestCase):
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def test_get_waiter_model_is_lazy(self):
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session = mock.Mock()
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waiter_model = utils.LazyLoadedWaiterModel(
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session, 'myservice', '2014-01-01')
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assert not session.get_waiter_model.called
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waiter_model.get_waiter('Foo')
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assert session.get_waiter_model.called
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session.get_waiter_model.return_value.get_waiter.assert_called_with(
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'Foo')
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