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# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
"""Tests for unspect_utils module."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from functools import wraps
import imp
import six
from tensorflow.python.autograph.pyct import inspect_utils
from tensorflow.python.platform import test
def decorator(f):
return f
def function_decorator():
def dec(f):
return f
return dec
def wrapping_decorator():
def dec(f):
def replacement(*_):
return None
@wraps(f)
def wrapper(*args, **kwargs):
return replacement(*args, **kwargs)
return wrapper
return dec
class TestClass(object):
def member_function(self):
pass
@decorator
def decorated_member(self):
pass
@function_decorator()
def fn_decorated_member(self):
pass
@wrapping_decorator()
def wrap_decorated_member(self):
pass
@staticmethod
def static_method():
pass
@classmethod
def class_method(cls):
pass
def free_function():
pass
def factory():
return free_function
def free_factory():
def local_function():
pass
return local_function
class InspectUtilsTest(test.TestCase):
def test_getnamespace_globals(self):
ns = inspect_utils.getnamespace(factory)
self.assertEqual(ns['free_function'], free_function)
def test_getnamespace_hermetic(self):
# Intentionally hiding the global function to make sure we don't overwrite
# it in the global namespace.
free_function = object() # pylint:disable=redefined-outer-name
def test_fn():
return free_function
ns = inspect_utils.getnamespace(test_fn)
globs = six.get_function_globals(test_fn)
self.assertTrue(ns['free_function'] is free_function)
self.assertFalse(globs['free_function'] is free_function)
def test_getnamespace_locals(self):
def called_fn():
return 0
closed_over_list = []
closed_over_primitive = 1
def local_fn():
closed_over_list.append(1)
local_var = 1
return called_fn() + local_var + closed_over_primitive
ns = inspect_utils.getnamespace(local_fn)
self.assertEqual(ns['called_fn'], called_fn)
self.assertEqual(ns['closed_over_list'], closed_over_list)
self.assertEqual(ns['closed_over_primitive'], closed_over_primitive)
self.assertTrue('local_var' not in ns)
def test_getqualifiedname(self):
foo = object()
qux = imp.new_module('quxmodule')
bar = imp.new_module('barmodule')
baz = object()
bar.baz = baz
ns = {
'foo': foo,
'bar': bar,
'qux': qux,
}
self.assertIsNone(inspect_utils.getqualifiedname(ns, inspect_utils))
self.assertEqual(inspect_utils.getqualifiedname(ns, foo), 'foo')
self.assertEqual(inspect_utils.getqualifiedname(ns, bar), 'bar')
self.assertEqual(inspect_utils.getqualifiedname(ns, baz), 'bar.baz')
def test_getmethodclass(self):
self.assertEqual(
inspect_utils.getmethodclass(free_function), None)
self.assertEqual(
inspect_utils.getmethodclass(free_factory()), None)
self.assertEqual(
inspect_utils.getmethodclass(TestClass.member_function),
TestClass)
self.assertEqual(
inspect_utils.getmethodclass(TestClass.decorated_member),
TestClass)
self.assertEqual(
inspect_utils.getmethodclass(TestClass.fn_decorated_member),
TestClass)
self.assertEqual(
inspect_utils.getmethodclass(TestClass.wrap_decorated_member),
TestClass)
self.assertEqual(
inspect_utils.getmethodclass(TestClass.static_method),
TestClass)
self.assertEqual(
inspect_utils.getmethodclass(TestClass.class_method),
TestClass)
test_obj = TestClass()
self.assertEqual(
inspect_utils.getmethodclass(test_obj.member_function),
TestClass)
self.assertEqual(
inspect_utils.getmethodclass(test_obj.decorated_member),
TestClass)
self.assertEqual(
inspect_utils.getmethodclass(test_obj.fn_decorated_member),
TestClass)
self.assertEqual(
inspect_utils.getmethodclass(test_obj.wrap_decorated_member),
TestClass)
self.assertEqual(
inspect_utils.getmethodclass(test_obj.static_method),
TestClass)
self.assertEqual(
inspect_utils.getmethodclass(test_obj.class_method),
TestClass)
def test_getmethodclass_locals(self):
def local_function():
pass
class LocalClass(object):
def member_function(self):
pass
@decorator
def decorated_member(self):
pass
@function_decorator()
def fn_decorated_member(self):
pass
@wrapping_decorator()
def wrap_decorated_member(self):
pass
self.assertEqual(
inspect_utils.getmethodclass(local_function), None)
self.assertEqual(
inspect_utils.getmethodclass(LocalClass.member_function),
LocalClass)
self.assertEqual(
inspect_utils.getmethodclass(LocalClass.decorated_member),
LocalClass)
self.assertEqual(
inspect_utils.getmethodclass(LocalClass.fn_decorated_member),
LocalClass)
self.assertEqual(
inspect_utils.getmethodclass(LocalClass.wrap_decorated_member),
LocalClass)
test_obj = LocalClass()
self.assertEqual(
inspect_utils.getmethodclass(test_obj.member_function),
LocalClass)
self.assertEqual(
inspect_utils.getmethodclass(test_obj.decorated_member),
LocalClass)
self.assertEqual(
inspect_utils.getmethodclass(test_obj.fn_decorated_member),
LocalClass)
self.assertEqual(
inspect_utils.getmethodclass(test_obj.wrap_decorated_member),
LocalClass)
def test_getmethodclass_callables(self):
class TestCallable(object):
def __call__(self):
pass
c = TestCallable()
self.assertEqual(inspect_utils.getmethodclass(c), TestCallable)
def test_getdefiningclass(self):
class Superclass(object):
def foo(self):
pass
def bar(self):
pass
@classmethod
def class_method(cls):
pass
class Subclass(Superclass):
def foo(self):
pass
def baz(self):
pass
self.assertTrue(
inspect_utils.getdefiningclass(Subclass.foo, Subclass) is Subclass)
self.assertTrue(
inspect_utils.getdefiningclass(Subclass.bar, Subclass) is Superclass)
self.assertTrue(
inspect_utils.getdefiningclass(Subclass.baz, Subclass) is Subclass)
self.assertTrue(
inspect_utils.getdefiningclass(Subclass.class_method, Subclass) is
Superclass)
def test_isbuiltin(self):
self.assertTrue(inspect_utils.isbuiltin(range))
self.assertTrue(inspect_utils.isbuiltin(float))
self.assertTrue(inspect_utils.isbuiltin(int))
self.assertTrue(inspect_utils.isbuiltin(len))
self.assertFalse(inspect_utils.isbuiltin(function_decorator))
if __name__ == '__main__':
test.main()
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