145 lines
4.8 KiB
Python
145 lines
4.8 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import copy
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from heat.engine import function
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from heat.tests.common import HeatTestCase
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class TestFunction(function.Function):
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def validate(self):
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if len(self.args) < 2:
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raise Exception(_('Need more arguments'))
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def dependencies(self, path):
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return ['foo', 'bar']
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def result(self):
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return 'wibble'
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class FunctionTest(HeatTestCase):
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def test_equal(self):
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func = TestFunction(None, 'foo', ['bar', 'baz'])
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self.assertTrue(func == 'wibble')
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self.assertTrue('wibble' == func)
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def test_not_equal(self):
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func = TestFunction(None, 'foo', ['bar', 'baz'])
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self.assertTrue(func != 'foo')
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self.assertTrue('foo' != func)
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def test_equal_func(self):
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func1 = TestFunction(None, 'foo', ['bar', 'baz'])
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func2 = TestFunction(None, 'blarg', ['wibble', 'quux'])
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self.assertTrue(func1 == func2)
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def test_copy(self):
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func = TestFunction(None, 'foo', ['bar', 'baz'])
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self.assertEqual({'foo': ['bar', 'baz']}, copy.deepcopy(func))
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class ResolveTest(HeatTestCase):
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def test_resolve_func(self):
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func = TestFunction(None, 'foo', ['bar', 'baz'])
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result = function.resolve(func)
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self.assertEqual('wibble', result)
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self.assertTrue(isinstance(result, str))
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def test_resolve_dict(self):
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func = TestFunction(None, 'foo', ['bar', 'baz'])
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snippet = {'foo': 'bar', 'blarg': func}
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result = function.resolve(snippet)
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self.assertEqual({'foo': 'bar', 'blarg': 'wibble'}, result)
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self.assertIsNot(result, snippet)
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def test_resolve_list(self):
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func = TestFunction(None, 'foo', ['bar', 'baz'])
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snippet = ['foo', 'bar', 'baz', 'blarg', func]
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result = function.resolve(snippet)
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self.assertEqual(['foo', 'bar', 'baz', 'blarg', 'wibble'], result)
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self.assertIsNot(result, snippet)
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def test_resolve_all(self):
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func = TestFunction(None, 'foo', ['bar', 'baz'])
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snippet = ['foo', {'bar': ['baz', {'blarg': func}]}]
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result = function.resolve(snippet)
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self.assertEqual(['foo', {'bar': ['baz', {'blarg': 'wibble'}]}],
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result)
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self.assertIsNot(result, snippet)
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class ValidateTest(HeatTestCase):
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def setUp(self):
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super(ValidateTest, self).setUp()
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self.func = TestFunction(None, 'foo', ['bar', 'baz'])
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def test_validate_func(self):
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self.assertIsNone(function.validate(self.func))
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self.func = TestFunction(None, 'foo', ['bar'])
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ex = self.assertRaises(Exception, function.validate, self.func)
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self.assertEqual('Need more arguments', str(ex))
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def test_validate_dict(self):
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snippet = {'foo': 'bar', 'blarg': self.func}
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function.validate(snippet)
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self.func = TestFunction(None, 'foo', ['bar'])
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snippet = {'foo': 'bar', 'blarg': self.func}
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ex = self.assertRaises(Exception, function.validate, snippet)
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self.assertEqual('Need more arguments', str(ex))
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def test_validate_list(self):
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snippet = ['foo', 'bar', 'baz', 'blarg', self.func]
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function.validate(snippet)
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self.func = TestFunction(None, 'foo', ['bar'])
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snippet = {'foo': 'bar', 'blarg': self.func}
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ex = self.assertRaises(Exception, function.validate, snippet)
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self.assertEqual('Need more arguments', str(ex))
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def test_validate_all(self):
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snippet = ['foo', {'bar': ['baz', {'blarg': self.func}]}]
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function.validate(snippet)
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self.func = TestFunction(None, 'foo', ['bar'])
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snippet = {'foo': 'bar', 'blarg': self.func}
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ex = self.assertRaises(Exception, function.validate, snippet)
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self.assertEqual('Need more arguments', str(ex))
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class DependenciesTest(HeatTestCase):
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func = TestFunction(None, 'test', None)
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scenarios = [
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('function', dict(snippet=func)),
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('nested_map', dict(snippet={'wibble': func})),
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('nested_list', dict(snippet=['wibble', func])),
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('deep_nested', dict(snippet=[{'wibble': ['wibble', func]}])),
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]
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def test_dependencies(self):
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deps = list(function.dependencies(self.snippet))
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self.assertIn('foo', deps)
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self.assertIn('bar', deps)
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self.assertEqual(2, len(deps))
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