/usr/lib/python2.7/dist-packages/preggy/assertions/types/errors.py is in python-preggy 1.1.3-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | # -*- coding: utf-8 -*-
'''preggy error assertions. For use with `expect()` (see `preggy.core`).
'''
# preggy assertions
# https://github.com/heynemann/preggy
# Licensed under the MIT license:
# http://www.opensource.org/licenses/mit-license
# Copyright (c) 2013 Bernardo Heynemann heynemann@gmail.com
from __future__ import absolute_import
import inspect
from preggy import assertion, create_assertions
@assertion
def to_be_an_error_like(topic, expected):
'''Asserts that `topic` is an instance (or subclass) of type `expected`.'''
if not isinstance(topic, expected):
msg = 'Expected topic({0}) to be an error of type {1}, but it was a {2}'
values = topic, expected, topic.__class__
err = AssertionError(msg.format(*values), *values)
raise err
@assertion
def to_have_an_error_message_of(topic, expected):
'''Asserts that `topic` has an error message of `expected`.'''
if str(topic) != expected:
msg = 'Expected topic({0!r}) to be an error with message {1!r}'
values = str(topic), expected
err = AssertionError(msg.format(*values))
raise err
@create_assertions
def to_be_an_error(topic):
'''Asserts that `topic` is an error.'''
return isinstance(topic, BaseException)
@assertion
def not_to_be_an_error_like(topic, expected):
'''Asserts that `topic` not is an instance (or subclass) of type `expected`.'''
if isinstance(topic, expected):
msg = 'Expected topic({0}) not to be an error of type {1}, but it was a {2}'
values = topic, expected, topic.__class__
err = AssertionError(msg.format(*values), *values)
raise err
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