c10c853d2b
* Added decorators for parameterized tests * Added models/clients for recordsets * Move v2 specific clients into DesignateV2Test base class * Added data generation for A, AAAA, CNAME, and MX recordsets * Added test cases that do CRUD on A, AAAA, CNAME, and MX recordsets Change-Id: I7755167b707ca66f8f2a3362579e3e976b4aa315
84 lines
2.6 KiB
Python
84 lines
2.6 KiB
Python
"""
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Copyright 2015 Rackspace
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 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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"""
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import functools
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import types
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def def_method(f, *args, **kwargs):
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@functools.wraps(f)
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def new_method(self):
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return f(self, *args, **kwargs)
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return new_method
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def parameterized_class(cls):
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"""A class decorator for running parameterized test cases.
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Mark your class with @parameterized_class.
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Mark your test cases with @parameterized.
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"""
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test_functions = {
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k: v for k, v in vars(cls).iteritems() if k.startswith('test')
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}
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for name, f in test_functions.iteritems():
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if not hasattr(f, '_test_data'):
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continue
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# remove the original test function from the class
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delattr(cls, name)
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# add a new test function to the class for each entry in f._test_data
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for tag, args in f._test_data.iteritems():
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new_name = "{0}_{1}".format(f.__name__, tag)
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if hasattr(cls, new_name):
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raise Exception(
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"Parameterized test case '{0}.{1}' created from '{0}.{2}' "
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"already exists".format(cls.__name__, new_name, name))
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# Using `def new_method(self): f(self, **args)` is not sufficient
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# (all new_methods use the same args value due to late binding).
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# Instead, use this factory function.
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new_method = def_method(f, **args)
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# To add a method to a class, available for all instances:
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# MyClass.method = types.MethodType(f, None, MyClass)
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setattr(cls, new_name, types.MethodType(new_method, None, cls))
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return cls
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def parameterized(data):
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"""A function decorator for parameterized test cases.
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Example:
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@parameterized({
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'zero': dict(val=0),
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'one': dict(val=1),
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})
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def test_val(self, val):
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self.assertEqual(self.get_val(), val)
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The above will generate two test cases:
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`test_val_zero` which runs with val=0
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`test_val_one` which runs with val=1
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:param data: A dictionary that looks like {tag: {arg1: val1, ...}}
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"""
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def wrapped(f):
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f._test_data = data
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return f
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return wrapped
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