def test__to_raise_error_with_message__can_fail_because_no_error_is_raised():
def successful_method():
pass
expect_expectation_to_fail_with_message(
lambda: expect(successful_method).to_raise_error_with_message(
"some message"), "but no exception was raised")
def test__to_raise_error_with_message__when_actual_message_contains_curly_braces__shows_message(
):
def error_method():
raise Exception("{oh man} {stuff!} {whoa}")
expect_expectation_to_fail_with_message(
lambda: expect(error_method).to_raise_error_with_message(
match("other message")), "{oh man\} {stuff!\} {whoa\}")
def test__to_raise_error_with_message__can_fail_because_the_message_is_wrong():
def error_method():
raise Exception("some message")
expect_expectation_to_fail_with_message(
lambda: expect(error_method).to_raise_error_with_message(
"some other message"), "to raise an exception with message",
"but the exception was")
def test__to_raise_error_with_message__with_unmatched_matcher__failures_shows_matcher_name(
):
def error_method():
raise Exception("some message")
expect_expectation_to_fail_with_message(
lambda: expect(error_method).to_raise_error_with_message(
match("other message")),
".*to raise an exception with message <match\('other message',\).*")
def test__was_called_with__when_there_were_no_calls__fails_with_a_message():
some_instance = SomeClass()
stub(some_instance, some_instance.some_method)
expect_expectation_to_fail_with_message(
lambda: expect(some_instance.some_method).was_called_with(
"some-positional-argument", ["some-array-content"]),
"Expected that <SomeClass#some_method> was called with <\('some-positional-argument', \['some-array-content'\]\)> but it was never called"
)
def test__was_called_with_matcher__when_there_were_no_calls__fails_with_a_message(
):
some_instance = SomeClass()
stub(some_instance, some_instance.some_method)
expect_expectation_to_fail_with_message(
lambda: expect(some_instance.some_method).to_be(
was_called_with("some-positional-argument", ["some-array-content"])
), "Expected <.*> to be <was_called_with\(.*>")
def test__to_raise_error_of_type__can_fail_because_no_error_is_raised():
def successful_method():
pass
class SomeException(Exception):
pass
expect_expectation_to_fail_with_message(
lambda: expect(successful_method).to_raise_error_of_type(
SomeException), "but no exception was raised")
def test__to_raise_error_of_type__can_fail_because_the_type_is_wrong():
def error_method():
raise Exception("some error")
class SomeException(Exception):
pass
expect_expectation_to_fail_with_message(
lambda: expect(error_method).to_raise_error_of_type(SomeException),
"to raise an exception of type <SomeException>",
"but the exception was")
def test__to_be__fails_with_message():
expect_expectation_to_fail_with_message(lambda: expect(1).to_be(2),
"Expected <1> to be <2>")
def test__not_to_have_length__fails_with_message():
expect_expectation_to_fail_with_message(
lambda: expect([123, 123]).not_to_have_length(2),
"Expected <\[123, 123\]> not to have length <2>")
def test__to_have_length__fails_with_message():
expect_expectation_to_fail_with_message(
lambda: expect([123, 123, 123, "123"]).to_have_length(5),
"Expected <\[123, 123, 123, '123'\]> to have length <5>")
def test__not_to_be__when_equal__fails_with_message():
expect_expectation_to_fail_with_message(lambda: expect(1).not_to_be(1),
"Expected <1> not to be <1>")
def test__to_contain__when_item_not_contained__fails_with_message():
expect_expectation_to_fail_with_message(
lambda: expect(["some-item"]).to_contain("some-other-item"),
"Expected <\['some-item'\]> to contain <some-other-item>")
def test__to_be_a__when_the_type_is_different__fails_with_message():
expect_expectation_to_fail_with_message(
lambda: expect('hello').to_be_a(SomeClass),
"Expected <hello> to be a .*SomeClass.*")