1128 lines
33 KiB
Python
1128 lines
33 KiB
Python
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import inspect
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import time
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import types
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import unittest
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from unittest.mock import (
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call, _Call, create_autospec, MagicMock,
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Mock, ANY, _CallList, patch, PropertyMock, _callable
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)
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from datetime import datetime
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from functools import partial
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class SomeClass(object):
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def one(self, a, b): pass
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def two(self): pass
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def three(self, a=None): pass
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class AnyTest(unittest.TestCase):
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def test_any(self):
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self.assertEqual(ANY, object())
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mock = Mock()
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mock(ANY)
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mock.assert_called_with(ANY)
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mock = Mock()
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mock(foo=ANY)
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mock.assert_called_with(foo=ANY)
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def test_repr(self):
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self.assertEqual(repr(ANY), '<ANY>')
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self.assertEqual(str(ANY), '<ANY>')
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def test_any_and_datetime(self):
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mock = Mock()
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mock(datetime.now(), foo=datetime.now())
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mock.assert_called_with(ANY, foo=ANY)
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def test_any_mock_calls_comparison_order(self):
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mock = Mock()
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class Foo(object):
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def __eq__(self, other): pass
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def __ne__(self, other): pass
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for d in datetime.now(), Foo():
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mock.reset_mock()
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mock(d, foo=d, bar=d)
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mock.method(d, zinga=d, alpha=d)
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mock().method(a1=d, z99=d)
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expected = [
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call(ANY, foo=ANY, bar=ANY),
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call.method(ANY, zinga=ANY, alpha=ANY),
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call(), call().method(a1=ANY, z99=ANY)
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]
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self.assertEqual(expected, mock.mock_calls)
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self.assertEqual(mock.mock_calls, expected)
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def test_any_no_spec(self):
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# This is a regression test for bpo-37555
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class Foo:
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def __eq__(self, other): pass
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mock = Mock()
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mock(Foo(), 1)
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mock.assert_has_calls([call(ANY, 1)])
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mock.assert_called_with(ANY, 1)
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mock.assert_any_call(ANY, 1)
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def test_any_and_spec_set(self):
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# This is a regression test for bpo-37555
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class Foo:
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def __eq__(self, other): pass
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mock = Mock(spec=Foo)
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mock(Foo(), 1)
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mock.assert_has_calls([call(ANY, 1)])
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mock.assert_called_with(ANY, 1)
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mock.assert_any_call(ANY, 1)
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class CallTest(unittest.TestCase):
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def test_call_with_call(self):
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kall = _Call()
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self.assertEqual(kall, _Call())
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self.assertEqual(kall, _Call(('',)))
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self.assertEqual(kall, _Call(((),)))
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self.assertEqual(kall, _Call(({},)))
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self.assertEqual(kall, _Call(('', ())))
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self.assertEqual(kall, _Call(('', {})))
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self.assertEqual(kall, _Call(('', (), {})))
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self.assertEqual(kall, _Call(('foo',)))
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self.assertEqual(kall, _Call(('bar', ())))
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self.assertEqual(kall, _Call(('baz', {})))
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self.assertEqual(kall, _Call(('spam', (), {})))
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kall = _Call(((1, 2, 3),))
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self.assertEqual(kall, _Call(((1, 2, 3),)))
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self.assertEqual(kall, _Call(('', (1, 2, 3))))
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self.assertEqual(kall, _Call(((1, 2, 3), {})))
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self.assertEqual(kall, _Call(('', (1, 2, 3), {})))
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kall = _Call(((1, 2, 4),))
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self.assertNotEqual(kall, _Call(('', (1, 2, 3))))
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self.assertNotEqual(kall, _Call(('', (1, 2, 3), {})))
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kall = _Call(('foo', (1, 2, 4),))
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self.assertNotEqual(kall, _Call(('', (1, 2, 4))))
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self.assertNotEqual(kall, _Call(('', (1, 2, 4), {})))
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self.assertNotEqual(kall, _Call(('bar', (1, 2, 4))))
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self.assertNotEqual(kall, _Call(('bar', (1, 2, 4), {})))
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kall = _Call(({'a': 3},))
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self.assertEqual(kall, _Call(('', (), {'a': 3})))
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self.assertEqual(kall, _Call(('', {'a': 3})))
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self.assertEqual(kall, _Call(((), {'a': 3})))
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self.assertEqual(kall, _Call(({'a': 3},)))
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def test_empty__Call(self):
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args = _Call()
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self.assertEqual(args, ())
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self.assertEqual(args, ('foo',))
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self.assertEqual(args, ((),))
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self.assertEqual(args, ('foo', ()))
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self.assertEqual(args, ('foo',(), {}))
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self.assertEqual(args, ('foo', {}))
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self.assertEqual(args, ({},))
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def test_named_empty_call(self):
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args = _Call(('foo', (), {}))
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self.assertEqual(args, ('foo',))
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self.assertEqual(args, ('foo', ()))
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self.assertEqual(args, ('foo',(), {}))
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self.assertEqual(args, ('foo', {}))
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self.assertNotEqual(args, ((),))
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self.assertNotEqual(args, ())
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self.assertNotEqual(args, ({},))
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self.assertNotEqual(args, ('bar',))
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self.assertNotEqual(args, ('bar', ()))
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self.assertNotEqual(args, ('bar', {}))
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def test_call_with_args(self):
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args = _Call(((1, 2, 3), {}))
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self.assertEqual(args, ((1, 2, 3),))
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self.assertEqual(args, ('foo', (1, 2, 3)))
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self.assertEqual(args, ('foo', (1, 2, 3), {}))
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self.assertEqual(args, ((1, 2, 3), {}))
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self.assertEqual(args.args, (1, 2, 3))
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self.assertEqual(args.kwargs, {})
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def test_named_call_with_args(self):
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args = _Call(('foo', (1, 2, 3), {}))
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self.assertEqual(args, ('foo', (1, 2, 3)))
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self.assertEqual(args, ('foo', (1, 2, 3), {}))
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self.assertEqual(args.args, (1, 2, 3))
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self.assertEqual(args.kwargs, {})
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self.assertNotEqual(args, ((1, 2, 3),))
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self.assertNotEqual(args, ((1, 2, 3), {}))
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def test_call_with_kwargs(self):
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args = _Call(((), dict(a=3, b=4)))
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self.assertEqual(args, (dict(a=3, b=4),))
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self.assertEqual(args, ('foo', dict(a=3, b=4)))
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self.assertEqual(args, ('foo', (), dict(a=3, b=4)))
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self.assertEqual(args, ((), dict(a=3, b=4)))
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self.assertEqual(args.args, ())
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self.assertEqual(args.kwargs, dict(a=3, b=4))
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def test_named_call_with_kwargs(self):
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args = _Call(('foo', (), dict(a=3, b=4)))
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self.assertEqual(args, ('foo', dict(a=3, b=4)))
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self.assertEqual(args, ('foo', (), dict(a=3, b=4)))
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self.assertEqual(args.args, ())
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self.assertEqual(args.kwargs, dict(a=3, b=4))
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self.assertNotEqual(args, (dict(a=3, b=4),))
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self.assertNotEqual(args, ((), dict(a=3, b=4)))
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def test_call_with_args_call_empty_name(self):
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args = _Call(((1, 2, 3), {}))
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self.assertEqual(args, call(1, 2, 3))
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self.assertEqual(call(1, 2, 3), args)
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self.assertIn(call(1, 2, 3), [args])
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def test_call_ne(self):
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self.assertNotEqual(_Call(((1, 2, 3),)), call(1, 2))
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self.assertFalse(_Call(((1, 2, 3),)) != call(1, 2, 3))
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self.assertTrue(_Call(((1, 2), {})) != call(1, 2, 3))
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def test_call_non_tuples(self):
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kall = _Call(((1, 2, 3),))
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for value in 1, None, self, int:
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self.assertNotEqual(kall, value)
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self.assertFalse(kall == value)
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def test_repr(self):
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self.assertEqual(repr(_Call()), 'call()')
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self.assertEqual(repr(_Call(('foo',))), 'call.foo()')
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self.assertEqual(repr(_Call(((1, 2, 3), {'a': 'b'}))),
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"call(1, 2, 3, a='b')")
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self.assertEqual(repr(_Call(('bar', (1, 2, 3), {'a': 'b'}))),
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"call.bar(1, 2, 3, a='b')")
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self.assertEqual(repr(call), 'call')
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self.assertEqual(str(call), 'call')
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self.assertEqual(repr(call()), 'call()')
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self.assertEqual(repr(call(1)), 'call(1)')
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self.assertEqual(repr(call(zz='thing')), "call(zz='thing')")
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self.assertEqual(repr(call().foo), 'call().foo')
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self.assertEqual(repr(call(1).foo.bar(a=3).bing),
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'call().foo.bar().bing')
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self.assertEqual(
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repr(call().foo(1, 2, a=3)),
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"call().foo(1, 2, a=3)"
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)
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self.assertEqual(repr(call()()), "call()()")
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self.assertEqual(repr(call(1)(2)), "call()(2)")
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self.assertEqual(
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repr(call()().bar().baz.beep(1)),
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"call()().bar().baz.beep(1)"
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)
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def test_call(self):
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self.assertEqual(call(), ('', (), {}))
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self.assertEqual(call('foo', 'bar', one=3, two=4),
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('', ('foo', 'bar'), {'one': 3, 'two': 4}))
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mock = Mock()
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mock(1, 2, 3)
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mock(a=3, b=6)
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self.assertEqual(mock.call_args_list,
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[call(1, 2, 3), call(a=3, b=6)])
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def test_attribute_call(self):
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self.assertEqual(call.foo(1), ('foo', (1,), {}))
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self.assertEqual(call.bar.baz(fish='eggs'),
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('bar.baz', (), {'fish': 'eggs'}))
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mock = Mock()
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mock.foo(1, 2 ,3)
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mock.bar.baz(a=3, b=6)
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self.assertEqual(mock.method_calls,
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[call.foo(1, 2, 3), call.bar.baz(a=3, b=6)])
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def test_extended_call(self):
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result = call(1).foo(2).bar(3, a=4)
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self.assertEqual(result, ('().foo().bar', (3,), dict(a=4)))
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mock = MagicMock()
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mock(1, 2, a=3, b=4)
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self.assertEqual(mock.call_args, call(1, 2, a=3, b=4))
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self.assertNotEqual(mock.call_args, call(1, 2, 3))
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self.assertEqual(mock.call_args_list, [call(1, 2, a=3, b=4)])
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self.assertEqual(mock.mock_calls, [call(1, 2, a=3, b=4)])
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mock = MagicMock()
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mock.foo(1).bar()().baz.beep(a=6)
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last_call = call.foo(1).bar()().baz.beep(a=6)
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self.assertEqual(mock.mock_calls[-1], last_call)
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self.assertEqual(mock.mock_calls, last_call.call_list())
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def test_extended_not_equal(self):
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a = call(x=1).foo
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b = call(x=2).foo
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self.assertEqual(a, a)
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self.assertEqual(b, b)
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self.assertNotEqual(a, b)
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def test_nested_calls_not_equal(self):
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a = call(x=1).foo().bar
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b = call(x=2).foo().bar
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self.assertEqual(a, a)
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self.assertEqual(b, b)
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self.assertNotEqual(a, b)
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def test_call_list(self):
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mock = MagicMock()
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mock(1)
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self.assertEqual(call(1).call_list(), mock.mock_calls)
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mock = MagicMock()
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mock(1).method(2)
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self.assertEqual(call(1).method(2).call_list(),
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mock.mock_calls)
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mock = MagicMock()
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mock(1).method(2)(3)
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self.assertEqual(call(1).method(2)(3).call_list(),
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mock.mock_calls)
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mock = MagicMock()
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int(mock(1).method(2)(3).foo.bar.baz(4)(5))
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kall = call(1).method(2)(3).foo.bar.baz(4)(5).__int__()
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self.assertEqual(kall.call_list(), mock.mock_calls)
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||
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def test_call_any(self):
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self.assertEqual(call, ANY)
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m = MagicMock()
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int(m)
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self.assertEqual(m.mock_calls, [ANY])
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self.assertEqual([ANY], m.mock_calls)
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||
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def test_two_args_call(self):
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args = _Call(((1, 2), {'a': 3}), two=True)
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self.assertEqual(len(args), 2)
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self.assertEqual(args[0], (1, 2))
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self.assertEqual(args[1], {'a': 3})
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||
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other_args = _Call(((1, 2), {'a': 3}))
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self.assertEqual(args, other_args)
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||
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def test_call_with_name(self):
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||
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self.assertEqual(_Call((), 'foo')[0], 'foo')
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||
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self.assertEqual(_Call((('bar', 'barz'),),)[0], '')
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||
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self.assertEqual(_Call((('bar', 'barz'), {'hello': 'world'}),)[0], '')
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|
|
def test_dunder_call(self):
|
||
|
|
m = MagicMock()
|
||
|
|
m().foo()['bar']()
|
||
|
|
self.assertEqual(
|
||
|
|
m.mock_calls,
|
||
|
|
[call(), call().foo(), call().foo().__getitem__('bar'), call().foo().__getitem__()()]
|
||
|
|
)
|
||
|
|
m = MagicMock()
|
||
|
|
m().foo()['bar'] = 1
|
||
|
|
self.assertEqual(
|
||
|
|
m.mock_calls,
|
||
|
|
[call(), call().foo(), call().foo().__setitem__('bar', 1)]
|
||
|
|
)
|
||
|
|
m = MagicMock()
|
||
|
|
iter(m().foo())
|
||
|
|
self.assertEqual(
|
||
|
|
m.mock_calls,
|
||
|
|
[call(), call().foo(), call().foo().__iter__()]
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class SpecSignatureTest(unittest.TestCase):
|
||
|
|
|
||
|
|
def _check_someclass_mock(self, mock):
|
||
|
|
self.assertRaises(AttributeError, getattr, mock, 'foo')
|
||
|
|
mock.one(1, 2)
|
||
|
|
mock.one.assert_called_with(1, 2)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
mock.one.assert_called_with, 3, 4)
|
||
|
|
self.assertRaises(TypeError, mock.one, 1)
|
||
|
|
|
||
|
|
mock.two()
|
||
|
|
mock.two.assert_called_with()
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
mock.two.assert_called_with, 3)
|
||
|
|
self.assertRaises(TypeError, mock.two, 1)
|
||
|
|
|
||
|
|
mock.three()
|
||
|
|
mock.three.assert_called_with()
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
mock.three.assert_called_with, 3)
|
||
|
|
self.assertRaises(TypeError, mock.three, 3, 2)
|
||
|
|
|
||
|
|
mock.three(1)
|
||
|
|
mock.three.assert_called_with(1)
|
||
|
|
|
||
|
|
mock.three(a=1)
|
||
|
|
mock.three.assert_called_with(a=1)
|
||
|
|
|
||
|
|
|
||
|
|
def test_basic(self):
|
||
|
|
mock = create_autospec(SomeClass)
|
||
|
|
self._check_someclass_mock(mock)
|
||
|
|
mock = create_autospec(SomeClass())
|
||
|
|
self._check_someclass_mock(mock)
|
||
|
|
|
||
|
|
|
||
|
|
def test_create_autospec_return_value(self):
|
||
|
|
def f(): pass
|
||
|
|
mock = create_autospec(f, return_value='foo')
|
||
|
|
self.assertEqual(mock(), 'foo')
|
||
|
|
|
||
|
|
class Foo(object):
|
||
|
|
pass
|
||
|
|
|
||
|
|
mock = create_autospec(Foo, return_value='foo')
|
||
|
|
self.assertEqual(mock(), 'foo')
|
||
|
|
|
||
|
|
|
||
|
|
def test_autospec_reset_mock(self):
|
||
|
|
m = create_autospec(int)
|
||
|
|
int(m)
|
||
|
|
m.reset_mock()
|
||
|
|
self.assertEqual(m.__int__.call_count, 0)
|
||
|
|
|
||
|
|
|
||
|
|
def test_mocking_unbound_methods(self):
|
||
|
|
class Foo(object):
|
||
|
|
def foo(self, foo): pass
|
||
|
|
p = patch.object(Foo, 'foo')
|
||
|
|
mock_foo = p.start()
|
||
|
|
Foo().foo(1)
|
||
|
|
|
||
|
|
mock_foo.assert_called_with(1)
|
||
|
|
|
||
|
|
|
||
|
|
def test_create_autospec_keyword_arguments(self):
|
||
|
|
class Foo(object):
|
||
|
|
a = 3
|
||
|
|
m = create_autospec(Foo, a='3')
|
||
|
|
self.assertEqual(m.a, '3')
|
||
|
|
|
||
|
|
|
||
|
|
def test_create_autospec_keyword_only_arguments(self):
|
||
|
|
def foo(a, *, b=None): pass
|
||
|
|
|
||
|
|
m = create_autospec(foo)
|
||
|
|
m(1)
|
||
|
|
m.assert_called_with(1)
|
||
|
|
self.assertRaises(TypeError, m, 1, 2)
|
||
|
|
|
||
|
|
m(2, b=3)
|
||
|
|
m.assert_called_with(2, b=3)
|
||
|
|
|
||
|
|
|
||
|
|
def test_function_as_instance_attribute(self):
|
||
|
|
obj = SomeClass()
|
||
|
|
def f(a): pass
|
||
|
|
obj.f = f
|
||
|
|
|
||
|
|
mock = create_autospec(obj)
|
||
|
|
mock.f('bing')
|
||
|
|
mock.f.assert_called_with('bing')
|
||
|
|
|
||
|
|
|
||
|
|
def test_spec_as_list(self):
|
||
|
|
# because spec as a list of strings in the mock constructor means
|
||
|
|
# something very different we treat a list instance as the type.
|
||
|
|
mock = create_autospec([])
|
||
|
|
mock.append('foo')
|
||
|
|
mock.append.assert_called_with('foo')
|
||
|
|
|
||
|
|
self.assertRaises(AttributeError, getattr, mock, 'foo')
|
||
|
|
|
||
|
|
class Foo(object):
|
||
|
|
foo = []
|
||
|
|
|
||
|
|
mock = create_autospec(Foo)
|
||
|
|
mock.foo.append(3)
|
||
|
|
mock.foo.append.assert_called_with(3)
|
||
|
|
self.assertRaises(AttributeError, getattr, mock.foo, 'foo')
|
||
|
|
|
||
|
|
|
||
|
|
def test_attributes(self):
|
||
|
|
class Sub(SomeClass):
|
||
|
|
attr = SomeClass()
|
||
|
|
|
||
|
|
sub_mock = create_autospec(Sub)
|
||
|
|
|
||
|
|
for mock in (sub_mock, sub_mock.attr):
|
||
|
|
self._check_someclass_mock(mock)
|
||
|
|
|
||
|
|
|
||
|
|
def test_spec_has_descriptor_returning_function(self):
|
||
|
|
|
||
|
|
class CrazyDescriptor(object):
|
||
|
|
|
||
|
|
def __get__(self, obj, type_):
|
||
|
|
if obj is None:
|
||
|
|
return lambda x: None
|
||
|
|
|
||
|
|
class MyClass(object):
|
||
|
|
|
||
|
|
some_attr = CrazyDescriptor()
|
||
|
|
|
||
|
|
mock = create_autospec(MyClass)
|
||
|
|
mock.some_attr(1)
|
||
|
|
with self.assertRaises(TypeError):
|
||
|
|
mock.some_attr()
|
||
|
|
with self.assertRaises(TypeError):
|
||
|
|
mock.some_attr(1, 2)
|
||
|
|
|
||
|
|
|
||
|
|
def test_spec_has_function_not_in_bases(self):
|
||
|
|
|
||
|
|
class CrazyClass(object):
|
||
|
|
|
||
|
|
def __dir__(self):
|
||
|
|
return super(CrazyClass, self).__dir__()+['crazy']
|
||
|
|
|
||
|
|
def __getattr__(self, item):
|
||
|
|
if item == 'crazy':
|
||
|
|
return lambda x: x
|
||
|
|
raise AttributeError(item)
|
||
|
|
|
||
|
|
inst = CrazyClass()
|
||
|
|
with self.assertRaises(AttributeError):
|
||
|
|
inst.other
|
||
|
|
self.assertEqual(inst.crazy(42), 42)
|
||
|
|
|
||
|
|
mock = create_autospec(inst)
|
||
|
|
mock.crazy(42)
|
||
|
|
with self.assertRaises(TypeError):
|
||
|
|
mock.crazy()
|
||
|
|
with self.assertRaises(TypeError):
|
||
|
|
mock.crazy(1, 2)
|
||
|
|
|
||
|
|
|
||
|
|
def test_builtin_functions_types(self):
|
||
|
|
# we could replace builtin functions / methods with a function
|
||
|
|
# with *args / **kwargs signature. Using the builtin method type
|
||
|
|
# as a spec seems to work fairly well though.
|
||
|
|
class BuiltinSubclass(list):
|
||
|
|
def bar(self, arg): pass
|
||
|
|
sorted = sorted
|
||
|
|
attr = {}
|
||
|
|
|
||
|
|
mock = create_autospec(BuiltinSubclass)
|
||
|
|
mock.append(3)
|
||
|
|
mock.append.assert_called_with(3)
|
||
|
|
self.assertRaises(AttributeError, getattr, mock.append, 'foo')
|
||
|
|
|
||
|
|
mock.bar('foo')
|
||
|
|
mock.bar.assert_called_with('foo')
|
||
|
|
self.assertRaises(TypeError, mock.bar, 'foo', 'bar')
|
||
|
|
self.assertRaises(AttributeError, getattr, mock.bar, 'foo')
|
||
|
|
|
||
|
|
mock.sorted([1, 2])
|
||
|
|
mock.sorted.assert_called_with([1, 2])
|
||
|
|
self.assertRaises(AttributeError, getattr, mock.sorted, 'foo')
|
||
|
|
|
||
|
|
mock.attr.pop(3)
|
||
|
|
mock.attr.pop.assert_called_with(3)
|
||
|
|
self.assertRaises(AttributeError, getattr, mock.attr, 'foo')
|
||
|
|
|
||
|
|
|
||
|
|
def test_method_calls(self):
|
||
|
|
class Sub(SomeClass):
|
||
|
|
attr = SomeClass()
|
||
|
|
|
||
|
|
mock = create_autospec(Sub)
|
||
|
|
mock.one(1, 2)
|
||
|
|
mock.two()
|
||
|
|
mock.three(3)
|
||
|
|
|
||
|
|
expected = [call.one(1, 2), call.two(), call.three(3)]
|
||
|
|
self.assertEqual(mock.method_calls, expected)
|
||
|
|
|
||
|
|
mock.attr.one(1, 2)
|
||
|
|
mock.attr.two()
|
||
|
|
mock.attr.three(3)
|
||
|
|
|
||
|
|
expected.extend(
|
||
|
|
[call.attr.one(1, 2), call.attr.two(), call.attr.three(3)]
|
||
|
|
)
|
||
|
|
self.assertEqual(mock.method_calls, expected)
|
||
|
|
|
||
|
|
|
||
|
|
def test_magic_methods(self):
|
||
|
|
class BuiltinSubclass(list):
|
||
|
|
attr = {}
|
||
|
|
|
||
|
|
mock = create_autospec(BuiltinSubclass)
|
||
|
|
self.assertEqual(list(mock), [])
|
||
|
|
self.assertRaises(TypeError, int, mock)
|
||
|
|
self.assertRaises(TypeError, int, mock.attr)
|
||
|
|
self.assertEqual(list(mock), [])
|
||
|
|
|
||
|
|
self.assertIsInstance(mock['foo'], MagicMock)
|
||
|
|
self.assertIsInstance(mock.attr['foo'], MagicMock)
|
||
|
|
|
||
|
|
|
||
|
|
def test_spec_set(self):
|
||
|
|
class Sub(SomeClass):
|
||
|
|
attr = SomeClass()
|
||
|
|
|
||
|
|
for spec in (Sub, Sub()):
|
||
|
|
mock = create_autospec(spec, spec_set=True)
|
||
|
|
self._check_someclass_mock(mock)
|
||
|
|
|
||
|
|
self.assertRaises(AttributeError, setattr, mock, 'foo', 'bar')
|
||
|
|
self.assertRaises(AttributeError, setattr, mock.attr, 'foo', 'bar')
|
||
|
|
|
||
|
|
|
||
|
|
def test_descriptors(self):
|
||
|
|
class Foo(object):
|
||
|
|
@classmethod
|
||
|
|
def f(cls, a, b): pass
|
||
|
|
@staticmethod
|
||
|
|
def g(a, b): pass
|
||
|
|
|
||
|
|
class Bar(Foo): pass
|
||
|
|
|
||
|
|
class Baz(SomeClass, Bar): pass
|
||
|
|
|
||
|
|
for spec in (Foo, Foo(), Bar, Bar(), Baz, Baz()):
|
||
|
|
mock = create_autospec(spec)
|
||
|
|
mock.f(1, 2)
|
||
|
|
mock.f.assert_called_once_with(1, 2)
|
||
|
|
|
||
|
|
mock.g(3, 4)
|
||
|
|
mock.g.assert_called_once_with(3, 4)
|
||
|
|
|
||
|
|
|
||
|
|
def test_recursive(self):
|
||
|
|
class A(object):
|
||
|
|
def a(self): pass
|
||
|
|
foo = 'foo bar baz'
|
||
|
|
bar = foo
|
||
|
|
|
||
|
|
A.B = A
|
||
|
|
mock = create_autospec(A)
|
||
|
|
|
||
|
|
mock()
|
||
|
|
self.assertFalse(mock.B.called)
|
||
|
|
|
||
|
|
mock.a()
|
||
|
|
mock.B.a()
|
||
|
|
self.assertEqual(mock.method_calls, [call.a(), call.B.a()])
|
||
|
|
|
||
|
|
self.assertIs(A.foo, A.bar)
|
||
|
|
self.assertIsNot(mock.foo, mock.bar)
|
||
|
|
mock.foo.lower()
|
||
|
|
self.assertRaises(AssertionError, mock.bar.lower.assert_called_with)
|
||
|
|
|
||
|
|
|
||
|
|
def test_spec_inheritance_for_classes(self):
|
||
|
|
class Foo(object):
|
||
|
|
def a(self, x): pass
|
||
|
|
class Bar(object):
|
||
|
|
def f(self, y): pass
|
||
|
|
|
||
|
|
class_mock = create_autospec(Foo)
|
||
|
|
|
||
|
|
self.assertIsNot(class_mock, class_mock())
|
||
|
|
|
||
|
|
for this_mock in class_mock, class_mock():
|
||
|
|
this_mock.a(x=5)
|
||
|
|
this_mock.a.assert_called_with(x=5)
|
||
|
|
this_mock.a.assert_called_with(5)
|
||
|
|
self.assertRaises(TypeError, this_mock.a, 'foo', 'bar')
|
||
|
|
self.assertRaises(AttributeError, getattr, this_mock, 'b')
|
||
|
|
|
||
|
|
instance_mock = create_autospec(Foo())
|
||
|
|
instance_mock.a(5)
|
||
|
|
instance_mock.a.assert_called_with(5)
|
||
|
|
instance_mock.a.assert_called_with(x=5)
|
||
|
|
self.assertRaises(TypeError, instance_mock.a, 'foo', 'bar')
|
||
|
|
self.assertRaises(AttributeError, getattr, instance_mock, 'b')
|
||
|
|
|
||
|
|
# The return value isn't isn't callable
|
||
|
|
self.assertRaises(TypeError, instance_mock)
|
||
|
|
|
||
|
|
instance_mock.Bar.f(6)
|
||
|
|
instance_mock.Bar.f.assert_called_with(6)
|
||
|
|
instance_mock.Bar.f.assert_called_with(y=6)
|
||
|
|
self.assertRaises(AttributeError, getattr, instance_mock.Bar, 'g')
|
||
|
|
|
||
|
|
instance_mock.Bar().f(6)
|
||
|
|
instance_mock.Bar().f.assert_called_with(6)
|
||
|
|
instance_mock.Bar().f.assert_called_with(y=6)
|
||
|
|
self.assertRaises(AttributeError, getattr, instance_mock.Bar(), 'g')
|
||
|
|
|
||
|
|
|
||
|
|
def test_inherit(self):
|
||
|
|
class Foo(object):
|
||
|
|
a = 3
|
||
|
|
|
||
|
|
Foo.Foo = Foo
|
||
|
|
|
||
|
|
# class
|
||
|
|
mock = create_autospec(Foo)
|
||
|
|
instance = mock()
|
||
|
|
self.assertRaises(AttributeError, getattr, instance, 'b')
|
||
|
|
|
||
|
|
attr_instance = mock.Foo()
|
||
|
|
self.assertRaises(AttributeError, getattr, attr_instance, 'b')
|
||
|
|
|
||
|
|
# instance
|
||
|
|
mock = create_autospec(Foo())
|
||
|
|
self.assertRaises(AttributeError, getattr, mock, 'b')
|
||
|
|
self.assertRaises(TypeError, mock)
|
||
|
|
|
||
|
|
# attribute instance
|
||
|
|
call_result = mock.Foo()
|
||
|
|
self.assertRaises(AttributeError, getattr, call_result, 'b')
|
||
|
|
|
||
|
|
|
||
|
|
def test_builtins(self):
|
||
|
|
# used to fail with infinite recursion
|
||
|
|
create_autospec(1)
|
||
|
|
|
||
|
|
create_autospec(int)
|
||
|
|
create_autospec('foo')
|
||
|
|
create_autospec(str)
|
||
|
|
create_autospec({})
|
||
|
|
create_autospec(dict)
|
||
|
|
create_autospec([])
|
||
|
|
create_autospec(list)
|
||
|
|
create_autospec(set())
|
||
|
|
create_autospec(set)
|
||
|
|
create_autospec(1.0)
|
||
|
|
create_autospec(float)
|
||
|
|
create_autospec(1j)
|
||
|
|
create_autospec(complex)
|
||
|
|
create_autospec(False)
|
||
|
|
create_autospec(True)
|
||
|
|
|
||
|
|
|
||
|
|
def test_function(self):
|
||
|
|
def f(a, b): pass
|
||
|
|
|
||
|
|
mock = create_autospec(f)
|
||
|
|
self.assertRaises(TypeError, mock)
|
||
|
|
mock(1, 2)
|
||
|
|
mock.assert_called_with(1, 2)
|
||
|
|
mock.assert_called_with(1, b=2)
|
||
|
|
mock.assert_called_with(a=1, b=2)
|
||
|
|
|
||
|
|
f.f = f
|
||
|
|
mock = create_autospec(f)
|
||
|
|
self.assertRaises(TypeError, mock.f)
|
||
|
|
mock.f(3, 4)
|
||
|
|
mock.f.assert_called_with(3, 4)
|
||
|
|
mock.f.assert_called_with(a=3, b=4)
|
||
|
|
|
||
|
|
|
||
|
|
def test_skip_attributeerrors(self):
|
||
|
|
class Raiser(object):
|
||
|
|
def __get__(self, obj, type=None):
|
||
|
|
if obj is None:
|
||
|
|
raise AttributeError('Can only be accessed via an instance')
|
||
|
|
|
||
|
|
class RaiserClass(object):
|
||
|
|
raiser = Raiser()
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def existing(a, b):
|
||
|
|
return a + b
|
||
|
|
|
||
|
|
self.assertEqual(RaiserClass.existing(1, 2), 3)
|
||
|
|
s = create_autospec(RaiserClass)
|
||
|
|
self.assertRaises(TypeError, lambda x: s.existing(1, 2, 3))
|
||
|
|
self.assertEqual(s.existing(1, 2), s.existing.return_value)
|
||
|
|
self.assertRaises(AttributeError, lambda: s.nonexisting)
|
||
|
|
|
||
|
|
# check we can fetch the raiser attribute and it has no spec
|
||
|
|
obj = s.raiser
|
||
|
|
obj.foo, obj.bar
|
||
|
|
|
||
|
|
|
||
|
|
def test_signature_class(self):
|
||
|
|
class Foo(object):
|
||
|
|
def __init__(self, a, b=3): pass
|
||
|
|
|
||
|
|
mock = create_autospec(Foo)
|
||
|
|
|
||
|
|
self.assertRaises(TypeError, mock)
|
||
|
|
mock(1)
|
||
|
|
mock.assert_called_once_with(1)
|
||
|
|
mock.assert_called_once_with(a=1)
|
||
|
|
self.assertRaises(AssertionError, mock.assert_called_once_with, 2)
|
||
|
|
|
||
|
|
mock(4, 5)
|
||
|
|
mock.assert_called_with(4, 5)
|
||
|
|
mock.assert_called_with(a=4, b=5)
|
||
|
|
self.assertRaises(AssertionError, mock.assert_called_with, a=5, b=4)
|
||
|
|
|
||
|
|
|
||
|
|
def test_class_with_no_init(self):
|
||
|
|
# this used to raise an exception
|
||
|
|
# due to trying to get a signature from object.__init__
|
||
|
|
class Foo(object):
|
||
|
|
pass
|
||
|
|
create_autospec(Foo)
|
||
|
|
|
||
|
|
|
||
|
|
def test_signature_callable(self):
|
||
|
|
class Callable(object):
|
||
|
|
def __init__(self, x, y): pass
|
||
|
|
def __call__(self, a): pass
|
||
|
|
|
||
|
|
mock = create_autospec(Callable)
|
||
|
|
mock(1, 2)
|
||
|
|
mock.assert_called_once_with(1, 2)
|
||
|
|
mock.assert_called_once_with(x=1, y=2)
|
||
|
|
self.assertRaises(TypeError, mock, 'a')
|
||
|
|
|
||
|
|
instance = mock(1, 2)
|
||
|
|
self.assertRaises(TypeError, instance)
|
||
|
|
instance(a='a')
|
||
|
|
instance.assert_called_once_with('a')
|
||
|
|
instance.assert_called_once_with(a='a')
|
||
|
|
instance('a')
|
||
|
|
instance.assert_called_with('a')
|
||
|
|
instance.assert_called_with(a='a')
|
||
|
|
|
||
|
|
mock = create_autospec(Callable(1, 2))
|
||
|
|
mock(a='a')
|
||
|
|
mock.assert_called_once_with(a='a')
|
||
|
|
self.assertRaises(TypeError, mock)
|
||
|
|
mock('a')
|
||
|
|
mock.assert_called_with('a')
|
||
|
|
|
||
|
|
|
||
|
|
def test_signature_noncallable(self):
|
||
|
|
class NonCallable(object):
|
||
|
|
def __init__(self):
|
||
|
|
pass
|
||
|
|
|
||
|
|
mock = create_autospec(NonCallable)
|
||
|
|
instance = mock()
|
||
|
|
mock.assert_called_once_with()
|
||
|
|
self.assertRaises(TypeError, mock, 'a')
|
||
|
|
self.assertRaises(TypeError, instance)
|
||
|
|
self.assertRaises(TypeError, instance, 'a')
|
||
|
|
|
||
|
|
mock = create_autospec(NonCallable())
|
||
|
|
self.assertRaises(TypeError, mock)
|
||
|
|
self.assertRaises(TypeError, mock, 'a')
|
||
|
|
|
||
|
|
|
||
|
|
def test_create_autospec_none(self):
|
||
|
|
class Foo(object):
|
||
|
|
bar = None
|
||
|
|
|
||
|
|
mock = create_autospec(Foo)
|
||
|
|
none = mock.bar
|
||
|
|
self.assertNotIsInstance(none, type(None))
|
||
|
|
|
||
|
|
none.foo()
|
||
|
|
none.foo.assert_called_once_with()
|
||
|
|
|
||
|
|
|
||
|
|
def test_autospec_functions_with_self_in_odd_place(self):
|
||
|
|
class Foo(object):
|
||
|
|
def f(a, self): pass
|
||
|
|
|
||
|
|
a = create_autospec(Foo)
|
||
|
|
a.f(10)
|
||
|
|
a.f.assert_called_with(10)
|
||
|
|
a.f.assert_called_with(self=10)
|
||
|
|
a.f(self=10)
|
||
|
|
a.f.assert_called_with(10)
|
||
|
|
a.f.assert_called_with(self=10)
|
||
|
|
|
||
|
|
|
||
|
|
def test_autospec_data_descriptor(self):
|
||
|
|
class Descriptor(object):
|
||
|
|
def __init__(self, value):
|
||
|
|
self.value = value
|
||
|
|
|
||
|
|
def __get__(self, obj, cls=None):
|
||
|
|
return self
|
||
|
|
|
||
|
|
def __set__(self, obj, value): pass
|
||
|
|
|
||
|
|
class MyProperty(property):
|
||
|
|
pass
|
||
|
|
|
||
|
|
class Foo(object):
|
||
|
|
__slots__ = ['slot']
|
||
|
|
|
||
|
|
@property
|
||
|
|
def prop(self): pass
|
||
|
|
|
||
|
|
@MyProperty
|
||
|
|
def subprop(self): pass
|
||
|
|
|
||
|
|
desc = Descriptor(42)
|
||
|
|
|
||
|
|
foo = create_autospec(Foo)
|
||
|
|
|
||
|
|
def check_data_descriptor(mock_attr):
|
||
|
|
# Data descriptors don't have a spec.
|
||
|
|
self.assertIsInstance(mock_attr, MagicMock)
|
||
|
|
mock_attr(1, 2, 3)
|
||
|
|
mock_attr.abc(4, 5, 6)
|
||
|
|
mock_attr.assert_called_once_with(1, 2, 3)
|
||
|
|
mock_attr.abc.assert_called_once_with(4, 5, 6)
|
||
|
|
|
||
|
|
# property
|
||
|
|
check_data_descriptor(foo.prop)
|
||
|
|
# property subclass
|
||
|
|
check_data_descriptor(foo.subprop)
|
||
|
|
# class __slot__
|
||
|
|
check_data_descriptor(foo.slot)
|
||
|
|
# plain data descriptor
|
||
|
|
check_data_descriptor(foo.desc)
|
||
|
|
|
||
|
|
|
||
|
|
def test_autospec_on_bound_builtin_function(self):
|
||
|
|
meth = types.MethodType(time.ctime, time.time())
|
||
|
|
self.assertIsInstance(meth(), str)
|
||
|
|
mocked = create_autospec(meth)
|
||
|
|
|
||
|
|
# no signature, so no spec to check against
|
||
|
|
mocked()
|
||
|
|
mocked.assert_called_once_with()
|
||
|
|
mocked.reset_mock()
|
||
|
|
mocked(4, 5, 6)
|
||
|
|
mocked.assert_called_once_with(4, 5, 6)
|
||
|
|
|
||
|
|
|
||
|
|
def test_autospec_getattr_partial_function(self):
|
||
|
|
# bpo-32153 : getattr returning partial functions without
|
||
|
|
# __name__ should not create AttributeError in create_autospec
|
||
|
|
class Foo:
|
||
|
|
|
||
|
|
def __getattr__(self, attribute):
|
||
|
|
return partial(lambda name: name, attribute)
|
||
|
|
|
||
|
|
proxy = Foo()
|
||
|
|
autospec = create_autospec(proxy)
|
||
|
|
self.assertFalse(hasattr(autospec, '__name__'))
|
||
|
|
|
||
|
|
|
||
|
|
def test_spec_inspect_signature(self):
|
||
|
|
|
||
|
|
def myfunc(x, y): pass
|
||
|
|
|
||
|
|
mock = create_autospec(myfunc)
|
||
|
|
mock(1, 2)
|
||
|
|
mock(x=1, y=2)
|
||
|
|
|
||
|
|
self.assertEqual(inspect.signature(mock), inspect.signature(myfunc))
|
||
|
|
self.assertEqual(mock.mock_calls, [call(1, 2), call(x=1, y=2)])
|
||
|
|
self.assertRaises(TypeError, mock, 1)
|
||
|
|
|
||
|
|
|
||
|
|
def test_spec_inspect_signature_annotations(self):
|
||
|
|
|
||
|
|
def foo(a: int, b: int=10, *, c:int) -> int:
|
||
|
|
return a + b + c
|
||
|
|
|
||
|
|
self.assertEqual(foo(1, 2 , c=3), 6)
|
||
|
|
mock = create_autospec(foo)
|
||
|
|
mock(1, 2, c=3)
|
||
|
|
mock(1, c=3)
|
||
|
|
|
||
|
|
self.assertEqual(inspect.signature(mock), inspect.signature(foo))
|
||
|
|
self.assertEqual(mock.mock_calls, [call(1, 2, c=3), call(1, c=3)])
|
||
|
|
self.assertRaises(TypeError, mock, 1)
|
||
|
|
self.assertRaises(TypeError, mock, 1, 2, 3, c=4)
|
||
|
|
|
||
|
|
|
||
|
|
def test_spec_function_no_name(self):
|
||
|
|
func = lambda: 'nope'
|
||
|
|
mock = create_autospec(func)
|
||
|
|
self.assertEqual(mock.__name__, 'funcopy')
|
||
|
|
|
||
|
|
|
||
|
|
def test_spec_function_assert_has_calls(self):
|
||
|
|
def f(a): pass
|
||
|
|
mock = create_autospec(f)
|
||
|
|
mock(1)
|
||
|
|
mock.assert_has_calls([call(1)])
|
||
|
|
with self.assertRaises(AssertionError):
|
||
|
|
mock.assert_has_calls([call(2)])
|
||
|
|
|
||
|
|
|
||
|
|
def test_spec_function_assert_any_call(self):
|
||
|
|
def f(a): pass
|
||
|
|
mock = create_autospec(f)
|
||
|
|
mock(1)
|
||
|
|
mock.assert_any_call(1)
|
||
|
|
with self.assertRaises(AssertionError):
|
||
|
|
mock.assert_any_call(2)
|
||
|
|
|
||
|
|
|
||
|
|
def test_spec_function_reset_mock(self):
|
||
|
|
def f(a): pass
|
||
|
|
rv = Mock()
|
||
|
|
mock = create_autospec(f, return_value=rv)
|
||
|
|
mock(1)(2)
|
||
|
|
self.assertEqual(mock.mock_calls, [call(1)])
|
||
|
|
self.assertEqual(rv.mock_calls, [call(2)])
|
||
|
|
mock.reset_mock()
|
||
|
|
self.assertEqual(mock.mock_calls, [])
|
||
|
|
self.assertEqual(rv.mock_calls, [])
|
||
|
|
|
||
|
|
|
||
|
|
class TestCallList(unittest.TestCase):
|
||
|
|
|
||
|
|
def test_args_list_contains_call_list(self):
|
||
|
|
mock = Mock()
|
||
|
|
self.assertIsInstance(mock.call_args_list, _CallList)
|
||
|
|
|
||
|
|
mock(1, 2)
|
||
|
|
mock(a=3)
|
||
|
|
mock(3, 4)
|
||
|
|
mock(b=6)
|
||
|
|
|
||
|
|
for kall in call(1, 2), call(a=3), call(3, 4), call(b=6):
|
||
|
|
self.assertIn(kall, mock.call_args_list)
|
||
|
|
|
||
|
|
calls = [call(a=3), call(3, 4)]
|
||
|
|
self.assertIn(calls, mock.call_args_list)
|
||
|
|
calls = [call(1, 2), call(a=3)]
|
||
|
|
self.assertIn(calls, mock.call_args_list)
|
||
|
|
calls = [call(3, 4), call(b=6)]
|
||
|
|
self.assertIn(calls, mock.call_args_list)
|
||
|
|
calls = [call(3, 4)]
|
||
|
|
self.assertIn(calls, mock.call_args_list)
|
||
|
|
|
||
|
|
self.assertNotIn(call('fish'), mock.call_args_list)
|
||
|
|
self.assertNotIn([call('fish')], mock.call_args_list)
|
||
|
|
|
||
|
|
|
||
|
|
def test_call_list_str(self):
|
||
|
|
mock = Mock()
|
||
|
|
mock(1, 2)
|
||
|
|
mock.foo(a=3)
|
||
|
|
mock.foo.bar().baz('fish', cat='dog')
|
||
|
|
|
||
|
|
expected = (
|
||
|
|
"[call(1, 2),\n"
|
||
|
|
" call.foo(a=3),\n"
|
||
|
|
" call.foo.bar(),\n"
|
||
|
|
" call.foo.bar().baz('fish', cat='dog')]"
|
||
|
|
)
|
||
|
|
self.assertEqual(str(mock.mock_calls), expected)
|
||
|
|
|
||
|
|
|
||
|
|
def test_propertymock(self):
|
||
|
|
p = patch('%s.SomeClass.one' % __name__, new_callable=PropertyMock)
|
||
|
|
mock = p.start()
|
||
|
|
try:
|
||
|
|
SomeClass.one
|
||
|
|
mock.assert_called_once_with()
|
||
|
|
|
||
|
|
s = SomeClass()
|
||
|
|
s.one
|
||
|
|
mock.assert_called_with()
|
||
|
|
self.assertEqual(mock.mock_calls, [call(), call()])
|
||
|
|
|
||
|
|
s.one = 3
|
||
|
|
self.assertEqual(mock.mock_calls, [call(), call(), call(3)])
|
||
|
|
finally:
|
||
|
|
p.stop()
|
||
|
|
|
||
|
|
|
||
|
|
def test_propertymock_returnvalue(self):
|
||
|
|
m = MagicMock()
|
||
|
|
p = PropertyMock()
|
||
|
|
type(m).foo = p
|
||
|
|
|
||
|
|
returned = m.foo
|
||
|
|
p.assert_called_once_with()
|
||
|
|
self.assertIsInstance(returned, MagicMock)
|
||
|
|
self.assertNotIsInstance(returned, PropertyMock)
|
||
|
|
|
||
|
|
|
||
|
|
class TestCallablePredicate(unittest.TestCase):
|
||
|
|
|
||
|
|
def test_type(self):
|
||
|
|
for obj in [str, bytes, int, list, tuple, SomeClass]:
|
||
|
|
self.assertTrue(_callable(obj))
|
||
|
|
|
||
|
|
def test_call_magic_method(self):
|
||
|
|
class Callable:
|
||
|
|
def __call__(self): pass
|
||
|
|
instance = Callable()
|
||
|
|
self.assertTrue(_callable(instance))
|
||
|
|
|
||
|
|
def test_staticmethod(self):
|
||
|
|
class WithStaticMethod:
|
||
|
|
@staticmethod
|
||
|
|
def staticfunc(): pass
|
||
|
|
self.assertTrue(_callable(WithStaticMethod.staticfunc))
|
||
|
|
|
||
|
|
def test_non_callable_staticmethod(self):
|
||
|
|
class BadStaticMethod:
|
||
|
|
not_callable = staticmethod(None)
|
||
|
|
self.assertFalse(_callable(BadStaticMethod.not_callable))
|
||
|
|
|
||
|
|
def test_classmethod(self):
|
||
|
|
class WithClassMethod:
|
||
|
|
@classmethod
|
||
|
|
def classfunc(cls): pass
|
||
|
|
self.assertTrue(_callable(WithClassMethod.classfunc))
|
||
|
|
|
||
|
|
def test_non_callable_classmethod(self):
|
||
|
|
class BadClassMethod:
|
||
|
|
not_callable = classmethod(None)
|
||
|
|
self.assertFalse(_callable(BadClassMethod.not_callable))
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
unittest.main()
|