check-pyhamcrest-is-not.py

#!/usr/bin/env python

from hamcrest import (
    assert_that,
    has_entries,
    is_not,
)

obj = {'foo': 'bar', 'other': 'key'}

print 'Object:', obj, '\n'

try:
    print 'Checking if obj has_entries(blah=\'minor\')'
    assert_that(
        obj,
        has_entries(
            blah='minor',
        )
    )
except AssertionError as e:
    print e


try:
    print 'Checking if obj is_not(has_entries(foo=\'bar\'))'
    assert_that(
        obj,
        is_not(
            has_entries(
                foo='bar',
            )
        )
    )
except AssertionError as e:
    print e

result.txt

Object: {'foo': 'bar', 'other': 'key'} 

Checking if obj has_entries(blah='minor')

Expected: a dictionary containing {'blah': 'minor'}
     but: no 'blah' key in <{'foo': 'bar', 'other': 'key'}>

Checking if obj is_not(has_entries(foo='bar'))

Expected: not a dictionary containing {'foo': 'bar'}
     but: was <{'foo': 'bar', 'other': 'key'}>