def test_calls_are_chainable(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.at_most(1).times.at_most(2).times
subject.instance_method()
subject.instance_method()
def test_takes_precendence_over_previous_allowance(self):
subject = InstanceDouble('doubles.testing.User')
allow(subject).instance_method.and_return('foo')
expect(subject).instance_method
assert subject.instance_method() is None
def test_calls_are_chainable(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.at_most(1).times.at_most(2).times
subject.instance_method()
subject.instance_method()
def test_passes_when_called_twice(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.twice()
subject.instance_method()
subject.instance_method()
def test_with_args_validator(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).method_with_varargs.with_args_validator(
lambda *args: args[0] == 'Bob Barker'
)
subject.method_with_varargs('Bob Barker', 'Drew Carey')
def test_with_args_validator(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).method_with_varargs.with_args_validator(
lambda *args: args[0] == 'Bob Barker'
)
subject.method_with_varargs('Bob Barker', 'Drew Carey')
def test_passes_when_called_more_than_at_least_times(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.at_least(1).times
subject.instance_method()
subject.instance_method()
def test_passes_when_called_twice(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.twice()
subject.instance_method()
subject.instance_method()
def test_takes_precendence_over_previous_allowance(self):
subject = InstanceDouble('doubles.testing.User')
allow(subject).instance_method.and_return('foo')
expect(subject).instance_method
assert subject.instance_method() is None
def test_passes_when_called_more_than_at_least_times(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.at_least(1).times
subject.instance_method()
subject.instance_method()
def test_satisfied_expectation(self):
subject = InstanceDouble('doubles.testing.User')
allow(subject).__enter__
expect(subject).__exit__.once()
with subject:
pass
def test_satisfied_expectation(self):
subject = InstanceDouble('doubles.testing.User')
allow(subject).__enter__
expect(subject).__exit__.once()
with subject:
pass
def test_takes_precedence_over_subsequent_allowances(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method
allow(subject).instance_method.and_return('foo')
with raises(MockExpectationError):
verify()
teardown()
def test_takes_precedence_over_subsequent_allowances(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method
allow(subject).instance_method.and_return('foo')
with raises(MockExpectationError):
verify()
teardown()
def test_unsatisfied_expectation(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).__exit__.once()
with raises(MockExpectationError) as e:
verify()
teardown()
assert re.match(
r"Expected '__exit__' to be called 1 time instead of 0 times on "
r"<InstanceDouble of <class 'doubles.testing.User'> object at .+> "
r"with any args, but was not."
r" \(.*doubles/test/expect_test.py:\d+\)", str(e.value))
def test_fails_when_called_once(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.twice()
subject.instance_method()
with raises(MockExpectationError) as e:
verify()
teardown()
assert re.match(
r"Expected 'instance_method' to be called 2 times instead of 1 time on "
r"<InstanceDouble of <class 'doubles.testing.User'> object at .+> "
r"with any args, but was not."
r" \(.*doubles/test/expect_test.py:\d+\)", str(e.value))
def test_fails_when_called_more_than_at_most_times(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.at_most(1).times
subject.instance_method()
with raises(MockExpectationError) as e:
subject.instance_method()
teardown()
assert re.match(
r"Expected 'instance_method' to be called at most 1 time instead of 2 times on "
r"<InstanceDouble of <class 'doubles.testing.User'> object at .+> "
r"with any args, but was not."
r" \(.*doubles/test/expect_test.py:\d+\)", str(e.value))
def test_raises_if_an_expected_method_call_with_args_is_not_made(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).method_with_varargs.with_args('bar')
with raises(MockExpectationError) as e:
verify()
teardown()
assert re.match(
r"Expected 'method_with_varargs' to be called on "
r"<InstanceDouble of <class '?doubles.testing.User'?"
r"(?: at 0x[0-9a-f]{9})?> object at .+> "
r"with \('bar'\), but was not."
r" \(.*doubles/test/expect_test.py:\d+\)", str(e.value))
def test_unsatisfied_expectation(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).__exit__.once()
with raises(MockExpectationError) as e:
verify()
teardown()
assert re.match(
r"Expected '__exit__' to be called 1 time instead of 0 times on "
r"<InstanceDouble of <class 'doubles.testing.User'> object at .+> "
r"with any args, but was not."
r" \(.*doubles/test/expect_test.py:\d+\)",
str(e.value)
)
def test_with_args_validator_not_called(self):
subject = InstanceDouble('doubles.testing.User')
def arg_matcher(*args):
return True
expect(subject).method_with_varargs.with_args_validator(arg_matcher)
with raises(MockExpectationError) as e:
verify()
teardown()
assert re.match(
r"Expected 'method_with_varargs' to be called on "
r"<InstanceDouble of <class '?doubles.testing.User'?"
r"(?: at 0x[0-9a-f]{9})?> object at .+> "
r"with custom matcher: 'arg_matcher', but was not."
r" \(.*doubles/test/expect_test.py:\d+\)", str(e.value))
def test_fails_when_called_once(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.twice()
subject.instance_method()
with raises(MockExpectationError) as e:
verify()
teardown()
assert re.match(
r"Expected 'instance_method' to be called 2 times instead of 1 time on "
r"<InstanceDouble of <class 'doubles.testing.User'> object at .+> "
r"with any args, but was not."
r" \(.*doubles/test/expect_test.py:\d+\)",
str(e.value)
)
def test_fails_when_called_more_than_at_most_times(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.at_most(1).times
subject.instance_method()
with raises(MockExpectationError) as e:
subject.instance_method()
teardown()
assert re.match(
r"Expected 'instance_method' to be called at most 1 time instead of 2 times on "
r"<InstanceDouble of <class 'doubles.testing.User'> object at .+> "
r"with any args, but was not."
r" \(.*doubles/test/expect_test.py:\d+\)",
str(e.value)
)
def test_raises_if_an_expected_method_call_with_default_args_is_not_made(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).method_with_default_args.with_args('bar', bar='barker')
with raises(MockExpectationError) as e:
verify()
teardown()
assert re.match(
r"Expected 'method_with_default_args' to be called on "
r"<InstanceDouble of <class '?doubles.testing.User'?"
r"(?: at 0x[0-9a-f]{9})?> object at .+> "
r"with \('bar', bar='barker'\), but was not."
r" \(.*doubles/test/expect_test.py:\d+\)",
str(e.value)
)
def test_with_args_validator_not_called(self):
subject = InstanceDouble('doubles.testing.User')
def arg_matcher(*args):
return True
expect(subject).method_with_varargs.with_args_validator(arg_matcher)
with raises(MockExpectationError) as e:
verify()
teardown()
assert re.match(
r"Expected 'method_with_varargs' to be called on "
r"<InstanceDouble of <class '?doubles.testing.User'?"
r"(?: at 0x[0-9a-f]{9})?> object at .+> "
r"with custom matcher: 'arg_matcher', but was not."
r" \(.*doubles/test/expect_test.py:\d+\)",
str(e.value)
)
def test_passes_when_called_never(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.never()
def test_satisfied_expectation(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).__call__.once()
subject()
def test_passes_when_called_exactly_expected_times(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.exactly(1).times
subject.instance_method()
def test_satisfied_expectation(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).__call__.once()
subject()
def test_passes_if_an_expected_method_call_is_made(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method
subject.instance_method()
def test_passes_when_called_exactly_expected_times(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.exactly(1).times
subject.instance_method()
def test_passes_when_called_never(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method.never()
def test_passes_if_method_is_called_with_specified_arguments(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).method_with_default_args.with_args('one', bar='two')
assert subject.method_with_default_args('one', bar='two') is None
def test_passes_if_method_is_called_with_specified_arguments(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).method_with_default_args.with_args('one', bar='two')
assert subject.method_with_default_args('one', bar='two') is None
def test_passes_if_an_expected_method_call_is_made(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method
subject.instance_method()
def runTest(self):
subject = InstanceDouble('doubles.testing.User')
expect(subject).instance_method
