expect

Inspired by RSpec's test doubles and Expecter Gadget.

Uses Mock but provides a terser syntax for expectations.

Example:

>>> def assert_equal(lhs, rhs):
...     assert lhs == rhs
>>> from expect import new_expect
>>> expect = new_expect(__eq__=assert_equal)
>>> expect(2) == 2
>>> expect(2) == 3
Traceback (most recent call last):
    ...
AssertionError

>>> class MyClass(object):
...     @classmethod
...     def my_method(cls, arg):
...         pass

>>> # Stubs don't have to be called.
>>> expect(MyClass).stub('my_method').with_(1).and_return(2)
>>> MyClass.my_method(1)
2
>>> expect.reset()

>>> # Mocks
>>> expect(MyClass).should_receive('my_method').with_(1).and_return(2)
>>> expect.verify()
Traceback (most recent call last):
    ...
AssertionError: Expected to be called once. Called 0 times.

sumeet/expect-old

expect