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unittestzero.py
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unittestzero.py
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#!/usr/bin/env python
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is UnittestZero.
#
# The Initial Developer of the Original Code is
# Portions created by the Initial Developer are Copyright (C) 2011
# the Initial Developer. All Rights Reserved.
#
# Contributor(s): David Burns
# Joel Andersson <janderssn@gmail.com>
# Bebe<florin.strugariu@softvision.ro>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
import string
class Assert(object):
@classmethod
def equal(self, first, second, msg=None):
"""
Asserts that 2 elements are the same
:Args:
- First object to be tested
- Second object to be tested
- Message that will be printed if it fails
"""
assert first == second, msg
@classmethod
def not_equal(self, first, second, msg=None):
"""
Asserts that 2 elements are the same
:Args:
- First object to be tested
- Second object to be tested
- Message that will be printed if it fails
"""
assert first != second, msg
@classmethod
def true(self, first, msg=None):
"""
Asserts that what is given is equal to True
:Args:
- First object to be tested
- Message that will be printed if it fails
"""
assert bool(first) is True, msg
@classmethod
def false(self, first, msg=None):
"""
Asserts that what is given is equal to False
:Args:
- First object to be tested
- Message that will be printed if it fails
"""
assert bool(first) is False, msg
@classmethod
def none(self, first, msg=None):
"""
Asserts that what is given is equal to None
:Args:
- First object to be tested
- Message that will be printed if it fails
"""
assert first is None, msg
@classmethod
def not_none(self, first, msg=None):
"""
Asserts that what is given is not equal to None
:Args:
- First object to be tested
- Message that will be printed if it fails
"""
assert first is not None, msg
@classmethod
def fail(self, msg):
"""
Raises an assertion error with a message passed in
:Args:
- Message that will be printed
"""
raise AssertionError(msg)
@classmethod
def is_sorted_ascending(self, iterable, msg='', icase=False):
"""
Goes through a list and asserts that items in the list are sorted ascendingly
:Args:
- List that will be asserted against
- Message that will be printed if it fails
- Whether or not to ignore case
"""
if icase:
iterable = map(string.lower, iterable)
for i, item in enumerate(iterable[:-1]):
assert iterable[i] <= iterable[i + 1], '. '.join(['%s is not before %s' % (iterable[i + 1], iterable[i]), msg])
@classmethod
def is_sorted_descending(self, iterable, msg='', icase=False):
"""
Goes through a list and asserts that items in the list are sorted descendingly
:Args:
- List that will be asserted against
- Message that will be printed if it fails
- Whether or not to ignore case
"""
if icase:
iterable = map(string.lower, iterable)
for i, item in enumerate(iterable[:-1]):
assert iterable[i] >= iterable[i + 1], '. '.join(['%s is not before %s' % (iterable[i], iterable[i + 1]), msg])
@classmethod
def raises(self, exception, caller, *args, **kwargs):
"""
Asserts that an Error is raised when calling a method
:Args:
- Error class
- method to be called
- args that will be passed to the caller
- kwargs that will be passed to the caller
- msg named arg - text that will be printed if it fails,
will not be sent to caller
"""
msg = kwargs.get('msg', '')
try:
caller(*args, **kwargs)
except exception:
return
if hasattr(exception, '__name__'):
excName = exception.__name__
else:
excName = str(exception)
raise AssertionError("%s was not raised. %s" % (excName, msg))
@classmethod
def contains(self, needle, haystack, msg=''):
try:
assert needle in haystack
except AssertionError:
raise AssertionError('%s is not found in %s. %s' % (needle, haystack, msg))
@classmethod
def less(self, first, second, msg=None):
"""
Asserts that first element is < the second element
:Args:
- First object to be tested
- Second object to be tested
- Message that will be printed if it fails
"""
assert first < second, msg
@classmethod
def greater(self, first, second, msg=None):
"""
Asserts that first element is greater than the second element
:Args:
- First object to be tested
- Second object to be tested
- Message that will be printed if it fails
"""
assert first > second, msg
@classmethod
def less_equal(self, first, second, msg=None):
"""
Asserts that the first element is <= to the second element
:Args:
- First object to be tested
- Second object to be tested
- Message that will be printed if it fails
"""
assert first <= second, msg
@classmethod
def greater_equal(self, first, second, msg=None):
"""
Asserts that first element is >= to the second element
:Args:
- First object to be tested
- Second object to be tested
- Message that will be printed if it fails
"""
assert first >= second, msg
@classmethod
def endswith(self, string, suffix, msg=None):
"""
Asserts that first string ends with the second suffix
:Args:
- String to test
- String suffix should be at the end of the string
- Message that will be printed if it fails
"""
assert string.endswith(suffix), msg