def has_len(matcher):
"""Match len of a value.
assert_that([1, 2], has_len(2)) will pass but assert_that([1, 2], has_len(1))
will fail with an assertion error.
"""
return has_feature("len", len, matcher)
def has_len(matcher):
"""Match len of a value.
assert_that([1, 2], has_len(2)) will pass but assert_that([1, 2], has_len(1))
will fail with an assertion error.
"""
return has_feature("len", len, matcher)
def description_contains_description_of_property():
matcher = has_feature("name", lambda user: user.username, equal_to("bob"))
assert_equal("name: 'bob'", matcher.describe())
def submatcher_is_coerced_to_matcher():
matcher = has_feature("name", lambda user: user.username, "bob")
assert_equal(unmatched("name: was 'bobbity'"),
matcher.match(User("bobbity")))
def explanation_of_mismatch_contains_mismatch_of_feature():
matcher = has_feature("name", lambda user: user.username, equal_to("bob"))
assert_equal(unmatched("name: was 'bobbity'"),
matcher.match(User("bobbity")))
def mismatches_when_feature_extraction_fails():
# TODO:
return
matcher = has_feature("name", lambda user: user.username, equal_to("bob"))
assert_equal(unmatched(""), matcher.match("bobbity"))
def matches_when_feature_has_correct_value():
matcher = has_feature("name", lambda user: user.username, equal_to("bob"))
assert_equal(matched(), matcher.match(User("bob")))
def has_str(matcher):
return has_feature("str", str, matcher)