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-rw-r--r--Lib/unittest/test/testmock/__main__.py18
-rw-r--r--Lib/unittest/test/testmock/testcallable.py4
-rw-r--r--Lib/unittest/test/testmock/testhelpers.py59
-rw-r--r--Lib/unittest/test/testmock/testmock.py143
-rw-r--r--Lib/unittest/test/testmock/testpatch.py1
-rw-r--r--Lib/unittest/test/testmock/testwith.py83
6 files changed, 271 insertions, 37 deletions
diff --git a/Lib/unittest/test/testmock/__main__.py b/Lib/unittest/test/testmock/__main__.py
new file mode 100644
index 0000000000..45c633a4ee
--- /dev/null
+++ b/Lib/unittest/test/testmock/__main__.py
@@ -0,0 +1,18 @@
+import os
+import unittest
+
+
+def load_tests(loader, standard_tests, pattern):
+ # top level directory cached on loader instance
+ this_dir = os.path.dirname(__file__)
+ pattern = pattern or "test*.py"
+ # We are inside unittest.test.testmock, so the top-level is three notches up
+ top_level_dir = os.path.dirname(os.path.dirname(os.path.dirname(this_dir)))
+ package_tests = loader.discover(start_dir=this_dir, pattern=pattern,
+ top_level_dir=top_level_dir)
+ standard_tests.addTests(package_tests)
+ return standard_tests
+
+
+if __name__ == '__main__':
+ unittest.main()
diff --git a/Lib/unittest/test/testmock/testcallable.py b/Lib/unittest/test/testmock/testcallable.py
index 7b2dd003ea..5390a4e10f 100644
--- a/Lib/unittest/test/testmock/testcallable.py
+++ b/Lib/unittest/test/testmock/testcallable.py
@@ -145,3 +145,7 @@ class TestCallable(unittest.TestCase):
mock.wibble.assert_called_once_with()
self.assertRaises(TypeError, mock.wibble, 'some', 'args')
+
+
+if __name__ == "__main__":
+ unittest.main()
diff --git a/Lib/unittest/test/testmock/testhelpers.py b/Lib/unittest/test/testmock/testhelpers.py
index a362a2f784..1dbc0b64ba 100644
--- a/Lib/unittest/test/testmock/testhelpers.py
+++ b/Lib/unittest/test/testmock/testhelpers.py
@@ -337,9 +337,10 @@ class SpecSignatureTest(unittest.TestCase):
def test_basic(self):
- for spec in (SomeClass, SomeClass()):
- mock = create_autospec(spec)
- self._check_someclass_mock(mock)
+ 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):
@@ -576,10 +577,10 @@ class SpecSignatureTest(unittest.TestCase):
def test_spec_inheritance_for_classes(self):
class Foo(object):
- def a(self):
+ def a(self, x):
pass
class Bar(object):
- def f(self):
+ def f(self, y):
pass
class_mock = create_autospec(Foo)
@@ -587,26 +588,30 @@ class SpecSignatureTest(unittest.TestCase):
self.assertIsNot(class_mock, class_mock())
for this_mock in class_mock, class_mock():
- this_mock.a()
- this_mock.a.assert_called_with()
- self.assertRaises(TypeError, this_mock.a, 'foo')
+ 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()
- instance_mock.a.assert_called_with()
- self.assertRaises(TypeError, instance_mock.a, '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()
- instance_mock.Bar.f.assert_called_with()
+ 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()
- instance_mock.Bar().f.assert_called_with()
+ 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')
@@ -663,12 +668,15 @@ class SpecSignatureTest(unittest.TestCase):
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):
@@ -704,9 +712,13 @@ class SpecSignatureTest(unittest.TestCase):
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):
@@ -719,24 +731,27 @@ class SpecSignatureTest(unittest.TestCase):
def test_signature_callable(self):
class Callable(object):
- def __init__(self):
+ def __init__(self, x, y):
pass
def __call__(self, a):
pass
mock = create_autospec(Callable)
- mock()
- mock.assert_called_once_with()
+ 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()
+ 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())
+ mock = create_autospec(Callable(1, 2))
mock(a='a')
mock.assert_called_once_with(a='a')
self.assertRaises(TypeError, mock)
@@ -779,7 +794,11 @@ class SpecSignatureTest(unittest.TestCase):
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)
diff --git a/Lib/unittest/test/testmock/testmock.py b/Lib/unittest/test/testmock/testmock.py
index cef5405fe9..20cc6541e6 100644
--- a/Lib/unittest/test/testmock/testmock.py
+++ b/Lib/unittest/test/testmock/testmock.py
@@ -25,6 +25,18 @@ class Iter(object):
__next__ = next
+class Something(object):
+ def meth(self, a, b, c, d=None):
+ pass
+
+ @classmethod
+ def cmeth(cls, a, b, c, d=None):
+ pass
+
+ @staticmethod
+ def smeth(a, b, c, d=None):
+ pass
+
class MockTest(unittest.TestCase):
@@ -273,6 +285,43 @@ class MockTest(unittest.TestCase):
mock.assert_called_with(1, 2, 3, a='fish', b='nothing')
+ def test_assert_called_with_function_spec(self):
+ def f(a, b, c, d=None):
+ pass
+
+ mock = Mock(spec=f)
+
+ mock(1, b=2, c=3)
+ mock.assert_called_with(1, 2, 3)
+ mock.assert_called_with(a=1, b=2, c=3)
+ self.assertRaises(AssertionError, mock.assert_called_with,
+ 1, b=3, c=2)
+ # Expected call doesn't match the spec's signature
+ with self.assertRaises(AssertionError) as cm:
+ mock.assert_called_with(e=8)
+ self.assertIsInstance(cm.exception.__cause__, TypeError)
+
+
+ def test_assert_called_with_method_spec(self):
+ def _check(mock):
+ mock(1, b=2, c=3)
+ mock.assert_called_with(1, 2, 3)
+ mock.assert_called_with(a=1, b=2, c=3)
+ self.assertRaises(AssertionError, mock.assert_called_with,
+ 1, b=3, c=2)
+
+ mock = Mock(spec=Something().meth)
+ _check(mock)
+ mock = Mock(spec=Something.cmeth)
+ _check(mock)
+ mock = Mock(spec=Something().cmeth)
+ _check(mock)
+ mock = Mock(spec=Something.smeth)
+ _check(mock)
+ mock = Mock(spec=Something().smeth)
+ _check(mock)
+
+
def test_assert_called_once_with(self):
mock = Mock()
mock()
@@ -297,6 +346,29 @@ class MockTest(unittest.TestCase):
)
+ def test_assert_called_once_with_function_spec(self):
+ def f(a, b, c, d=None):
+ pass
+
+ mock = Mock(spec=f)
+
+ mock(1, b=2, c=3)
+ mock.assert_called_once_with(1, 2, 3)
+ mock.assert_called_once_with(a=1, b=2, c=3)
+ self.assertRaises(AssertionError, mock.assert_called_once_with,
+ 1, b=3, c=2)
+ # Expected call doesn't match the spec's signature
+ with self.assertRaises(AssertionError) as cm:
+ mock.assert_called_once_with(e=8)
+ self.assertIsInstance(cm.exception.__cause__, TypeError)
+ # Mock called more than once => always fails
+ mock(4, 5, 6)
+ self.assertRaises(AssertionError, mock.assert_called_once_with,
+ 1, 2, 3)
+ self.assertRaises(AssertionError, mock.assert_called_once_with,
+ 4, 5, 6)
+
+
def test_attribute_access_returns_mocks(self):
mock = Mock()
something = mock.something
@@ -995,6 +1067,39 @@ class MockTest(unittest.TestCase):
)
+ def test_assert_has_calls_with_function_spec(self):
+ def f(a, b, c, d=None):
+ pass
+
+ mock = Mock(spec=f)
+
+ mock(1, b=2, c=3)
+ mock(4, 5, c=6, d=7)
+ mock(10, 11, c=12)
+ calls = [
+ ('', (1, 2, 3), {}),
+ ('', (4, 5, 6), {'d': 7}),
+ ((10, 11, 12), {}),
+ ]
+ mock.assert_has_calls(calls)
+ mock.assert_has_calls(calls, any_order=True)
+ mock.assert_has_calls(calls[1:])
+ mock.assert_has_calls(calls[1:], any_order=True)
+ mock.assert_has_calls(calls[:-1])
+ mock.assert_has_calls(calls[:-1], any_order=True)
+ # Reversed order
+ calls = list(reversed(calls))
+ with self.assertRaises(AssertionError):
+ mock.assert_has_calls(calls)
+ mock.assert_has_calls(calls, any_order=True)
+ with self.assertRaises(AssertionError):
+ mock.assert_has_calls(calls[1:])
+ mock.assert_has_calls(calls[1:], any_order=True)
+ with self.assertRaises(AssertionError):
+ mock.assert_has_calls(calls[:-1])
+ mock.assert_has_calls(calls[:-1], any_order=True)
+
+
def test_assert_any_call(self):
mock = Mock()
mock(1, 2)
@@ -1021,6 +1126,26 @@ class MockTest(unittest.TestCase):
)
+ def test_assert_any_call_with_function_spec(self):
+ def f(a, b, c, d=None):
+ pass
+
+ mock = Mock(spec=f)
+
+ mock(1, b=2, c=3)
+ mock(4, 5, c=6, d=7)
+ mock.assert_any_call(1, 2, 3)
+ mock.assert_any_call(a=1, b=2, c=3)
+ mock.assert_any_call(4, 5, 6, 7)
+ mock.assert_any_call(a=4, b=5, c=6, d=7)
+ self.assertRaises(AssertionError, mock.assert_any_call,
+ 1, b=3, c=2)
+ # Expected call doesn't match the spec's signature
+ with self.assertRaises(AssertionError) as cm:
+ mock.assert_any_call(e=8)
+ self.assertIsInstance(cm.exception.__cause__, TypeError)
+
+
def test_mock_calls_create_autospec(self):
def f(a, b):
pass
@@ -1177,20 +1302,6 @@ class MockTest(unittest.TestCase):
self.assertEqual(m.method_calls, [])
- def test_attribute_deletion(self):
- # this behaviour isn't *useful*, but at least it's now tested...
- for Klass in Mock, MagicMock, NonCallableMagicMock, NonCallableMock:
- m = Klass()
- original = m.foo
- m.foo = 3
- del m.foo
- self.assertEqual(m.foo, original)
-
- new = m.foo = Mock()
- del m.foo
- self.assertEqual(m.foo, new)
-
-
def test_mock_parents(self):
for Klass in Mock, MagicMock:
m = Klass()
@@ -1254,7 +1365,8 @@ class MockTest(unittest.TestCase):
def test_attribute_deletion(self):
- for mock in Mock(), MagicMock():
+ for mock in (Mock(), MagicMock(), NonCallableMagicMock(),
+ NonCallableMock()):
self.assertTrue(hasattr(mock, 'm'))
del mock.m
@@ -1274,6 +1386,5 @@ class MockTest(unittest.TestCase):
mock.foo
-
if __name__ == '__main__':
unittest.main()
diff --git a/Lib/unittest/test/testmock/testpatch.py b/Lib/unittest/test/testmock/testpatch.py
index c1091b4e9b..c1bc34fa8c 100644
--- a/Lib/unittest/test/testmock/testpatch.py
+++ b/Lib/unittest/test/testmock/testpatch.py
@@ -1780,6 +1780,5 @@ class PatchTest(unittest.TestCase):
self.assertIs(os.path, path)
-
if __name__ == '__main__':
unittest.main()
diff --git a/Lib/unittest/test/testmock/testwith.py b/Lib/unittest/test/testmock/testwith.py
index 0a0cfad120..f54e051e94 100644
--- a/Lib/unittest/test/testmock/testwith.py
+++ b/Lib/unittest/test/testmock/testwith.py
@@ -172,5 +172,88 @@ class TestMockOpen(unittest.TestCase):
self.assertEqual(result, 'foo')
+ def test_readline_data(self):
+ # Check that readline will return all the lines from the fake file
+ mock = mock_open(read_data='foo\nbar\nbaz\n')
+ with patch('%s.open' % __name__, mock, create=True):
+ h = open('bar')
+ line1 = h.readline()
+ line2 = h.readline()
+ line3 = h.readline()
+ self.assertEqual(line1, 'foo\n')
+ self.assertEqual(line2, 'bar\n')
+ self.assertEqual(line3, 'baz\n')
+
+ # Check that we properly emulate a file that doesn't end in a newline
+ mock = mock_open(read_data='foo')
+ with patch('%s.open' % __name__, mock, create=True):
+ h = open('bar')
+ result = h.readline()
+ self.assertEqual(result, 'foo')
+
+
+ def test_readlines_data(self):
+ # Test that emulating a file that ends in a newline character works
+ mock = mock_open(read_data='foo\nbar\nbaz\n')
+ with patch('%s.open' % __name__, mock, create=True):
+ h = open('bar')
+ result = h.readlines()
+ self.assertEqual(result, ['foo\n', 'bar\n', 'baz\n'])
+
+ # Test that files without a final newline will also be correctly
+ # emulated
+ mock = mock_open(read_data='foo\nbar\nbaz')
+ with patch('%s.open' % __name__, mock, create=True):
+ h = open('bar')
+ result = h.readlines()
+
+ self.assertEqual(result, ['foo\n', 'bar\n', 'baz'])
+
+
+ def test_mock_open_read_with_argument(self):
+ # At one point calling read with an argument was broken
+ # for mocks returned by mock_open
+ some_data = 'foo\nbar\nbaz'
+ mock = mock_open(read_data=some_data)
+ self.assertEqual(mock().read(10), some_data)
+
+
+ def test_interleaved_reads(self):
+ # Test that calling read, readline, and readlines pulls data
+ # sequentially from the data we preload with
+ mock = mock_open(read_data='foo\nbar\nbaz\n')
+ with patch('%s.open' % __name__, mock, create=True):
+ h = open('bar')
+ line1 = h.readline()
+ rest = h.readlines()
+ self.assertEqual(line1, 'foo\n')
+ self.assertEqual(rest, ['bar\n', 'baz\n'])
+
+ mock = mock_open(read_data='foo\nbar\nbaz\n')
+ with patch('%s.open' % __name__, mock, create=True):
+ h = open('bar')
+ line1 = h.readline()
+ rest = h.read()
+ self.assertEqual(line1, 'foo\n')
+ self.assertEqual(rest, 'bar\nbaz\n')
+
+
+ def test_overriding_return_values(self):
+ mock = mock_open(read_data='foo')
+ handle = mock()
+
+ handle.read.return_value = 'bar'
+ handle.readline.return_value = 'bar'
+ handle.readlines.return_value = ['bar']
+
+ self.assertEqual(handle.read(), 'bar')
+ self.assertEqual(handle.readline(), 'bar')
+ self.assertEqual(handle.readlines(), ['bar'])
+
+ # call repeatedly to check that a StopIteration is not propagated
+ self.assertEqual(handle.readline(), 'bar')
+ self.assertEqual(handle.readline(), 'bar')
+
+
if __name__ == '__main__':
unittest.main()