f618ab4955
- assertEquals -> assertEqual - assertRaisesRegexp -> assertRegexpMatches - assertRegexpMatches -> assertRegex PiperOrigin-RevId: 319118081 Change-Id: Ieb457128522920ab55d6b69a7f244ab798a7d689
310 lines
9.3 KiB
Python
310 lines
9.3 KiB
Python
# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
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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 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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"""Tests for Estimator related util."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import functools
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from tensorflow.python.platform import test
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from tensorflow.python.util import function_utils
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def silly_example_function():
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pass
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class SillyCallableClass(object):
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def __call__(self):
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pass
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class FnArgsTest(test.TestCase):
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def test_simple_function(self):
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def fn(a, b):
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return a + b
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self.assertEqual(('a', 'b'), function_utils.fn_args(fn))
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def test_callable(self):
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class Foo(object):
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def __call__(self, a, b):
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return a + b
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self.assertEqual(('a', 'b'), function_utils.fn_args(Foo()))
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def test_bound_method(self):
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class Foo(object):
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def bar(self, a, b):
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return a + b
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self.assertEqual(('a', 'b'), function_utils.fn_args(Foo().bar))
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def test_bound_method_no_self(self):
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class Foo(object):
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def bar(*args): # pylint:disable=no-method-argument
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return args[1] + args[2]
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self.assertEqual((), function_utils.fn_args(Foo().bar))
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def test_partial_function(self):
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expected_test_arg = 123
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def fn(a, test_arg):
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if test_arg != expected_test_arg:
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return ValueError('partial fn does not work correctly')
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return a
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wrapped_fn = functools.partial(fn, test_arg=123)
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self.assertEqual(('a',), function_utils.fn_args(wrapped_fn))
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def test_partial_function_with_positional_args(self):
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expected_test_arg = 123
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def fn(test_arg, a):
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if test_arg != expected_test_arg:
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return ValueError('partial fn does not work correctly')
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return a
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wrapped_fn = functools.partial(fn, 123)
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self.assertEqual(('a',), function_utils.fn_args(wrapped_fn))
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self.assertEqual(3, wrapped_fn(3))
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self.assertEqual(3, wrapped_fn(a=3))
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def test_double_partial(self):
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expected_test_arg1 = 123
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expected_test_arg2 = 456
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def fn(a, test_arg1, test_arg2):
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if test_arg1 != expected_test_arg1 or test_arg2 != expected_test_arg2:
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return ValueError('partial does not work correctly')
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return a
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wrapped_fn = functools.partial(fn, test_arg2=456)
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double_wrapped_fn = functools.partial(wrapped_fn, test_arg1=123)
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self.assertEqual(('a',), function_utils.fn_args(double_wrapped_fn))
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def test_double_partial_with_positional_args_in_outer_layer(self):
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expected_test_arg1 = 123
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expected_test_arg2 = 456
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def fn(test_arg1, a, test_arg2):
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if test_arg1 != expected_test_arg1 or test_arg2 != expected_test_arg2:
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return ValueError('partial fn does not work correctly')
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return a
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wrapped_fn = functools.partial(fn, test_arg2=456)
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double_wrapped_fn = functools.partial(wrapped_fn, 123)
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self.assertEqual(('a',), function_utils.fn_args(double_wrapped_fn))
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self.assertEqual(3, double_wrapped_fn(3))
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self.assertEqual(3, double_wrapped_fn(a=3))
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def test_double_partial_with_positional_args_in_both_layers(self):
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expected_test_arg1 = 123
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expected_test_arg2 = 456
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def fn(test_arg1, test_arg2, a):
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if test_arg1 != expected_test_arg1 or test_arg2 != expected_test_arg2:
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return ValueError('partial fn does not work correctly')
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return a
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wrapped_fn = functools.partial(fn, 123) # binds to test_arg1
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double_wrapped_fn = functools.partial(wrapped_fn, 456) # binds to test_arg2
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self.assertEqual(('a',), function_utils.fn_args(double_wrapped_fn))
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self.assertEqual(3, double_wrapped_fn(3))
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self.assertEqual(3, double_wrapped_fn(a=3))
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class HasKwargsTest(test.TestCase):
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def test_simple_function(self):
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fn_has_kwargs = lambda **x: x
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self.assertTrue(function_utils.has_kwargs(fn_has_kwargs))
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fn_has_no_kwargs = lambda x: x
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self.assertFalse(function_utils.has_kwargs(fn_has_no_kwargs))
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def test_callable(self):
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class FooHasKwargs(object):
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def __call__(self, **x):
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del x
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self.assertTrue(function_utils.has_kwargs(FooHasKwargs()))
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class FooHasNoKwargs(object):
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def __call__(self, x):
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del x
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self.assertFalse(function_utils.has_kwargs(FooHasNoKwargs()))
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def test_bound_method(self):
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class FooHasKwargs(object):
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def fn(self, **x):
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del x
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self.assertTrue(function_utils.has_kwargs(FooHasKwargs().fn))
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class FooHasNoKwargs(object):
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def fn(self, x):
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del x
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self.assertFalse(function_utils.has_kwargs(FooHasNoKwargs().fn))
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def test_partial_function(self):
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expected_test_arg = 123
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def fn_has_kwargs(test_arg, **x):
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if test_arg != expected_test_arg:
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return ValueError('partial fn does not work correctly')
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return x
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wrapped_fn = functools.partial(fn_has_kwargs, test_arg=123)
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self.assertTrue(function_utils.has_kwargs(wrapped_fn))
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some_kwargs = dict(x=1, y=2, z=3)
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self.assertEqual(wrapped_fn(**some_kwargs), some_kwargs)
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def fn_has_no_kwargs(x, test_arg):
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if test_arg != expected_test_arg:
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return ValueError('partial fn does not work correctly')
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return x
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wrapped_fn = functools.partial(fn_has_no_kwargs, test_arg=123)
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self.assertFalse(function_utils.has_kwargs(wrapped_fn))
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some_arg = 1
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self.assertEqual(wrapped_fn(some_arg), some_arg)
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def test_double_partial(self):
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expected_test_arg1 = 123
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expected_test_arg2 = 456
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def fn_has_kwargs(test_arg1, test_arg2, **x):
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if test_arg1 != expected_test_arg1 or test_arg2 != expected_test_arg2:
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return ValueError('partial does not work correctly')
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return x
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wrapped_fn = functools.partial(fn_has_kwargs, test_arg2=456)
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double_wrapped_fn = functools.partial(wrapped_fn, test_arg1=123)
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self.assertTrue(function_utils.has_kwargs(double_wrapped_fn))
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some_kwargs = dict(x=1, y=2, z=3)
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self.assertEqual(double_wrapped_fn(**some_kwargs), some_kwargs)
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def fn_has_no_kwargs(x, test_arg1, test_arg2):
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if test_arg1 != expected_test_arg1 or test_arg2 != expected_test_arg2:
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return ValueError('partial does not work correctly')
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return x
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wrapped_fn = functools.partial(fn_has_no_kwargs, test_arg2=456)
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double_wrapped_fn = functools.partial(wrapped_fn, test_arg1=123)
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self.assertFalse(function_utils.has_kwargs(double_wrapped_fn))
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some_arg = 1
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self.assertEqual(double_wrapped_fn(some_arg), some_arg)
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def test_raises_type_error(self):
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with self.assertRaisesRegex(TypeError,
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'fn should be a function-like object'):
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function_utils.has_kwargs('not a function')
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class GetFuncNameTest(test.TestCase):
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def testWithSimpleFunction(self):
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self.assertEqual(
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'silly_example_function',
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function_utils.get_func_name(silly_example_function))
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def testWithClassMethod(self):
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self.assertEqual(
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'GetFuncNameTest.testWithClassMethod',
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function_utils.get_func_name(self.testWithClassMethod))
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def testWithCallableClass(self):
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callable_instance = SillyCallableClass()
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self.assertRegex(
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function_utils.get_func_name(callable_instance),
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'<.*SillyCallableClass.*>')
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def testWithFunctoolsPartial(self):
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partial = functools.partial(silly_example_function)
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self.assertRegex(
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function_utils.get_func_name(partial), '<.*functools.partial.*>')
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def testWithLambda(self):
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anon_fn = lambda x: x
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self.assertEqual('<lambda>', function_utils.get_func_name(anon_fn))
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def testRaisesWithNonCallableObject(self):
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with self.assertRaises(ValueError):
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function_utils.get_func_name(None)
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class GetFuncCodeTest(test.TestCase):
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def testWithSimpleFunction(self):
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code = function_utils.get_func_code(silly_example_function)
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self.assertIsNotNone(code)
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self.assertRegex(code.co_filename, 'function_utils_test.py')
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def testWithClassMethod(self):
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code = function_utils.get_func_code(self.testWithClassMethod)
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self.assertIsNotNone(code)
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self.assertRegex(code.co_filename, 'function_utils_test.py')
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def testWithCallableClass(self):
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callable_instance = SillyCallableClass()
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code = function_utils.get_func_code(callable_instance)
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self.assertIsNotNone(code)
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self.assertRegex(code.co_filename, 'function_utils_test.py')
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def testWithLambda(self):
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anon_fn = lambda x: x
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code = function_utils.get_func_code(anon_fn)
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self.assertIsNotNone(code)
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self.assertRegex(code.co_filename, 'function_utils_test.py')
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def testWithFunctoolsPartial(self):
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partial = functools.partial(silly_example_function)
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code = function_utils.get_func_code(partial)
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self.assertIsNone(code)
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def testRaisesWithNonCallableObject(self):
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with self.assertRaises(ValueError):
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function_utils.get_func_code(None)
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if __name__ == '__main__':
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test.main()
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