def error_is_raised_if_copy_kwarg_is_not_field():
User = dodge.data_class("User", ["username", "password"])
original = User("bob", "password1")
assert_raises_regexp(
TypeError, "__init__ does not take keyword argument",
lambda: dodge.copy(original, salt="salty")
)
def copying_data_class_creates_distinct_object_with_same_field_values():
User = dodge.data_class("User", ["username", "password"])
original = User("bob", "password1")
copy = dodge.copy(original)
assert original is not copy
assert_equal("bob", copy.username)
def copying_data_class_creates_distinct_object_with_same_field_values():
User = dodge.data_class("User", ["username", "password"])
original = User("bob", "password1")
copy = dodge.copy(original)
assert original is not copy
assert_equal("bob", copy.username)
def copy_of_data_object_has_values_changed_to_copy_kwargs():
User = dodge.data_class("User", ["username", "password"])
original = User("bob", "password1")
copy = dodge.copy(original, password="******")
assert original is not copy
assert_equal("password1", original.password)
assert_equal("password2", copy.password)
def copy_of_data_object_has_values_changed_to_copy_kwargs():
User = dodge.data_class("User", ["username", "password"])
original = User("bob", "password1")
copy = dodge.copy(original, password="******")
assert original is not copy
assert_equal("password1", original.password)
assert_equal("password2", copy.password)
def error_is_raised_if_copy_kwarg_is_not_field():
User = dodge.data_class("User", ["username", "password"])
original = User("bob", "password1")
assert_raises_regexp(TypeError, "__init__ does not take keyword argument",
lambda: dodge.copy(original, salt="salty"))
