96 lines
2.7 KiB
Python
96 lines
2.7 KiB
Python
# Copyright (c) 2013 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from zaqar.common import pipeline
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from zaqar.tests import base
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class FirstClass(object):
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def with_args(self, name):
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return name
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def with_kwargs(self, lastname='yo'):
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return lastname
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def with_args_kwargs(self, name, lastname='yo'):
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return '{0} {1}'.format(name, lastname)
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def no_args(self):
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return True
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def does_nothing(self):
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return None
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def calls_the_latest(self):
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return None
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class SecondClass(object):
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def does_nothing(self):
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return None
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def calls_the_latest(self):
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return True
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def _raise_rterror(self):
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raise RuntimeError("It shouldn't get here!")
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# NOTE(flaper87): This methods will be used to test
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# that the pipeline stops at the first class returning
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# something.
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with_args = with_kwargs = no_args = _raise_rterror
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class TestPipeLine(base.TestBase):
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def setUp(self):
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super(TestPipeLine, self).setUp()
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self.pipeline = pipeline.Pipeline([FirstClass(),
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SecondClass()])
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def test_attribute_error(self):
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consumer = self.pipeline.does_not_exist
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self.assertRaises(AttributeError, consumer)
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def test_with_args(self):
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name = 'James'
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self.assertEqual(self.pipeline.with_args(name), name)
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def test_with_kwargs(self):
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lastname = 'Bond'
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self.assertEqual(self.pipeline.with_kwargs(lastname), lastname)
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self.assertEqual(self.pipeline.with_kwargs(lastname=lastname),
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lastname)
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def test_with_args_kwargs(self):
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fullname = 'James Bond'
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name, lastname = fullname.split()
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result = self.pipeline.with_args_kwargs(name, lastname=lastname)
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self.assertEqual(result, fullname)
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def test_does_nothing(self):
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self.assertIsNone(self.pipeline.does_nothing())
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def test_calls_the_latest(self):
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self.assertTrue(self.pipeline.calls_the_latest())
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def test_pipeline_context_manager(self):
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ctxt = self.pipeline.consumer_for('does_nothing')
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with ctxt as consumer:
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self.assertIsNone(consumer())
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