7a8aa34c86
We used to ignore optional task arguments (arguments of 'execute' method with default value). With this change flow author can pass such arguments to task by mentioning them in 'requires' and/or 'rebind' task constructor parameters. Change-Id: Ib92f87eb05623d30db6f1691d75c11376d45c87a
296 lines
8.7 KiB
Python
296 lines
8.7 KiB
Python
# -*- coding: utf-8 -*-
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (C) 2012 Yahoo! Inc. All Rights Reserved.
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#
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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 sys
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from taskflow import test
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from taskflow.tests import utils as test_utils
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from taskflow.utils import lock_utils
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from taskflow.utils import misc
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from taskflow.utils import reflection
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def mere_function(a, b):
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pass
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def function_with_defs(a, b, optional=None):
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pass
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def function_with_kwargs(a, b, **kwargs):
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pass
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class Class(object):
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def method(self, c, d):
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pass
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@staticmethod
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def static_method(e, f):
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pass
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@classmethod
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def class_method(cls, g, h):
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pass
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class CallableClass(object):
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def __call__(self, i, j):
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pass
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class ClassWithInit(object):
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def __init__(self, k, l):
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pass
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class GetCallableNameTest(test.TestCase):
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def test_mere_function(self):
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name = reflection.get_callable_name(mere_function)
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self.assertEquals(name, '.'.join((__name__, 'mere_function')))
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def test_method(self):
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name = reflection.get_callable_name(Class.method)
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self.assertEquals(name, '.'.join((__name__, 'method')))
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def test_instance_method(self):
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name = reflection.get_callable_name(Class().method)
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self.assertEquals(name, '.'.join((__name__, 'Class', 'method')))
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def test_static_method(self):
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# NOTE(imelnikov): static method are just functions, class name
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# is not recorded anywhere in them
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name = reflection.get_callable_name(Class.static_method)
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self.assertEquals(name, '.'.join((__name__, 'static_method')))
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def test_class_method(self):
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name = reflection.get_callable_name(Class.class_method)
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self.assertEquals(name, '.'.join((__name__, 'Class', 'class_method')))
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def test_constructor(self):
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name = reflection.get_callable_name(Class)
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self.assertEquals(name, '.'.join((__name__, 'Class')))
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def test_callable_class(self):
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name = reflection.get_callable_name(CallableClass())
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self.assertEquals(name, '.'.join((__name__, 'CallableClass')))
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def test_callable_class_call(self):
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name = reflection.get_callable_name(CallableClass().__call__)
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self.assertEquals(name, '.'.join((__name__, 'CallableClass',
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'__call__')))
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class GetCallableArgsTest(test.TestCase):
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def test_mere_function(self):
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result = reflection.get_callable_args(mere_function)
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self.assertEquals(['a', 'b'], result)
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def test_function_with_defaults(self):
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result = reflection.get_callable_args(function_with_defs)
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self.assertEquals(['a', 'b', 'optional'], result)
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def test_required_only(self):
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result = reflection.get_callable_args(function_with_defs,
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required_only=True)
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self.assertEquals(['a', 'b'], result)
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def test_method(self):
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result = reflection.get_callable_args(Class.method)
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self.assertEquals(['self', 'c', 'd'], result)
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def test_instance_method(self):
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result = reflection.get_callable_args(Class().method)
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self.assertEquals(['c', 'd'], result)
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def test_class_method(self):
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result = reflection.get_callable_args(Class.class_method)
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self.assertEquals(['g', 'h'], result)
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def test_class_constructor(self):
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result = reflection.get_callable_args(ClassWithInit)
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self.assertEquals(['k', 'l'], result)
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def test_class_with_call(self):
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result = reflection.get_callable_args(CallableClass())
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self.assertEquals(['i', 'j'], result)
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def test_decorators_work(self):
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@lock_utils.locked
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def locked_fun(x, y):
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pass
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result = reflection.get_callable_args(locked_fun)
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self.assertEquals(['x', 'y'], result)
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class AcceptsKwargsTest(test.TestCase):
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def test_no_kwargs(self):
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self.assertEquals(
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reflection.accepts_kwargs(mere_function), False)
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def test_with_kwargs(self):
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self.assertEquals(
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reflection.accepts_kwargs(function_with_kwargs), True)
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class GetClassNameTest(test.TestCase):
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def test_std_exception(self):
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name = reflection.get_class_name(RuntimeError)
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self.assertEquals(name, 'RuntimeError')
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def test_global_class(self):
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name = reflection.get_class_name(misc.Failure)
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self.assertEquals(name, 'taskflow.utils.misc.Failure')
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def test_class(self):
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name = reflection.get_class_name(Class)
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self.assertEquals(name, '.'.join((__name__, 'Class')))
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def test_instance(self):
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name = reflection.get_class_name(Class())
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self.assertEquals(name, '.'.join((__name__, 'Class')))
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def test_int(self):
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name = reflection.get_class_name(42)
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self.assertEquals(name, 'int')
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class GetAllClassNamesTest(test.TestCase):
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def test_std_class(self):
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names = list(reflection.get_all_class_names(RuntimeError))
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self.assertEquals(names, test_utils.RUNTIME_ERROR_CLASSES)
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def test_std_class_up_to(self):
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names = list(reflection.get_all_class_names(RuntimeError,
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up_to=Exception))
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self.assertEquals(names, test_utils.RUNTIME_ERROR_CLASSES[:-2])
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class AttrDictTest(test.TestCase):
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def test_ok_create(self):
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attrs = {
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'a': 1,
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'b': 2,
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}
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obj = misc.AttrDict(**attrs)
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self.assertEquals(obj.a, 1)
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self.assertEquals(obj.b, 2)
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def test_private_create(self):
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attrs = {
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'_a': 1,
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}
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self.assertRaises(AttributeError, misc.AttrDict, **attrs)
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def test_invalid_create(self):
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attrs = {
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# Python attributes can't start with a number
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'123_abc': 1,
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}
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self.assertRaises(AttributeError, misc.AttrDict, **attrs)
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def test_no_overwrite(self):
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attrs = {
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# Python attributes can't start with a number
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'update': 1,
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}
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self.assertRaises(AttributeError, misc.AttrDict, **attrs)
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def test_back_todict(self):
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attrs = {
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'a': 1,
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}
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obj = misc.AttrDict(**attrs)
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self.assertEquals(obj.a, 1)
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self.assertEquals(attrs, dict(obj))
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def test_runtime_invalid_set(self):
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attrs = {
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'a': 1,
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}
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obj = misc.AttrDict(**attrs)
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self.assertEquals(obj.a, 1)
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with self.assertRaises(AttributeError):
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obj._123 = 'b'
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def test_bypass_get(self):
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attrs = {
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'a': 1,
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}
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obj = misc.AttrDict(**attrs)
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self.assertEquals(1, obj['a'])
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def test_bypass_set_no_get(self):
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attrs = {
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'a': 1,
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}
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obj = misc.AttrDict(**attrs)
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self.assertEquals(1, obj['a'])
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obj['_b'] = 'c'
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with self.assertRaises(AttributeError):
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obj._b = 'e'
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self.assertEquals('c', obj['_b'])
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class ExcInfoUtilsTest(test.TestCase):
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def _make_ex_info(self):
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try:
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raise RuntimeError('Woot!')
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except Exception:
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return sys.exc_info()
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def test_copy_none(self):
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result = misc.copy_exc_info(None)
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self.assertIsNone(result)
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def test_copy_exc_info(self):
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exc_info = self._make_ex_info()
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result = misc.copy_exc_info(exc_info)
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self.assertIsNot(result, exc_info)
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self.assertIs(result[0], RuntimeError)
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self.assertIsNot(result[1], exc_info[1])
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self.assertIs(result[2], exc_info[2])
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def test_none_equals(self):
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self.assertTrue(misc.are_equal_exc_info_tuples(None, None))
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def test_none_ne_tuple(self):
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exc_info = self._make_ex_info()
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self.assertFalse(misc.are_equal_exc_info_tuples(None, exc_info))
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def test_tuple_nen_none(self):
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exc_info = self._make_ex_info()
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self.assertFalse(misc.are_equal_exc_info_tuples(exc_info, None))
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def test_tuple_equals_itself(self):
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exc_info = self._make_ex_info()
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self.assertTrue(misc.are_equal_exc_info_tuples(exc_info, exc_info))
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def test_typle_equals_copy(self):
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exc_info = self._make_ex_info()
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copied = misc.copy_exc_info(exc_info)
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self.assertTrue(misc.are_equal_exc_info_tuples(exc_info, copied))
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