matchmaker

0.1.3 LGPL (GNU Lesser General Public License)    
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  125 downloads

Easy creation of hamcrest matchers

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matchmaker provides decorators that simplify the creation of Hamcrest matchers.

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

The sources can be found in GitHub.

Examples:


from matchmaker import matcher

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

@matcher
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'
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Last updated on February 27th, 2012

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#hamcrest matchers #create matchers #hamcrest #matchers #builder #Python