matchmaker 0.1.0

Easy creation of hamcrest matchers

Decorators that simplify the creation of Hamcrest matchers.

From a function (with an optional appropriate docstring), create hamcrest matchers with minimum extra coding.

Examples:

from matchmaker.decorators import match_maker

@match_maker
def is_even(item):
    return item % 2 == 0

@match_maker
def ends_like(item, data, length=3):
    "String whose last {1} chars match those for '{0}'"
    return item.endswith(data[-length:])

You can then use these in your tests as:

assert_that(number, is_even())
assert_that(word, ends_like(other_word, 4))

Errors will display as:

AssertionError:
Expected: Is even
     but: was <3>

AssertionError:
Expected: String whose last 4 chars match those for 'cello'
     but: was 'hullo'