def test_can_return_contextmanager(self):
with assert_not_raises(ValueError):
pass
try:
with assert_not_raises(ValueError):
raise ValueError()
except AssertionError:
pass
else:
self.fail(
'Did not catch ValueError which was mentioned explicitely.')
try:
with assert_not_raises(ValueError):
raise TypeError()
except AssertionError:
self.fail(
'raised Exception is unexpected, should be passed up without modification'
)
except TypeError:
# exception was passed up without modification which is ok as the
# exception is really unexpected and the developer should get as
# much information about it as possible.
pass
def test_can_specify_additional_custom_message(self):
try:
assert_not_raises(Exception, self._fail_with(ValueError), message='Foo')
except AssertionError as e:
assert_equals('unexpected exception ValueError(): Foo', exception_message(e))
else:
self.fail('test did not catch exception!')
def test_fails_with_sensible_default_error_message(self):
try:
assert_not_raises(Exception, self._fail_with(ValueError))
except AssertionError as e:
assert_equals('unexpected exception ValueError()', exception_message(e))
else:
self.fail('test did not catch exception!')
def test_pass_unexpected_exceptions_unmodified(self):
try:
assert_not_raises(ValueError, self._fail_with(Exception))
except AssertionError:
self.fail('raised Exception is unexpected, should be passed up without modification')
except Exception:
pass
def test_fails_with_sensible_default_error_message(self):
try:
assert_not_raises(Exception, self._fail_with(ValueError))
except AssertionError as e:
assert_equals('unexpected exception ValueError()',
exception_message(e))
else:
self.fail('test did not catch exception!')
def test_fails_if_callable_raised_exception(self):
try:
assert_not_raises(ValueError, self._fail_with(ValueError))
self.fail('assert_not_raises() did not notice raised ValueError')
except AssertionError:
pass
except ValueError:
self.fail('assert_not_raises() should wrap caught exceptions')
def test_fails_if_callable_raised_exception(self):
try:
assert_not_raises(ValueError, self._fail_with(ValueError))
self.fail('assert_not_raises() did not notice raised ValueError')
except AssertionError:
pass
except ValueError:
self.fail('assert_not_raises() should wrap caught exceptions')
def test_pass_unexpected_exceptions_unmodified(self):
try:
assert_not_raises(ValueError, self._fail_with(Exception))
except AssertionError:
self.fail(
'raised Exception is unexpected, should be passed up without modification'
)
except Exception:
pass
def test_can_specify_additional_custom_message(self):
try:
assert_not_raises(Exception,
self._fail_with(ValueError),
message='Foo')
except AssertionError as e:
assert_equals('unexpected exception ValueError(): Foo',
exception_message(e))
else:
self.fail('test did not catch exception!')
def test_can_return_contextmanager(self):
with assert_not_raises(ValueError):
pass
try:
with assert_not_raises(ValueError):
raise ValueError()
except AssertionError:
pass
else:
self.fail('Did not catch ValueError which was mentioned explicitely.')
try:
with assert_not_raises(ValueError):
raise TypeError()
except AssertionError:
self.fail('raised Exception is unexpected, should be passed up without modification')
except TypeError:
# exception was passed up without modification which is ok as the
# exception is really unexpected and the developer should get as
# much information about it as possible.
pass
def test_passes_if_callable_did_not_raise_exception(self):
assert_not_raises(Exception, self._good_callable())
assert_not_raises(callable=self._good_callable(),
message='exception class should be optional')
def test_passes_if_callable_did_not_raise_exception(self):
assert_not_raises(Exception, self._good_callable())
assert_not_raises(callable=self._good_callable(),
message='exception class should be optional')
