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#
# Wireshark tests
#
# Copyright (c) 2018 Peter Wu <peter@lekensteyn.nl>
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
'''Helpers for matching test results.'''
import re
class MatchAny(object):
'''Matches any other value.'''
def __init__(self, type=None):
self.type = type
def __eq__(self, other):
return self.type is None or self.type == type(other)
def __repr__(self):
return '<MatchAny type=%s>' % (self.type.__name__,)
class MatchObject(object):
'''Matches all expected fields of an object, ignoring excess others.'''
def __init__(self, fields):
self.fields = fields
def __eq__(self, other):
return all(other.get(k) == v for k, v in self.fields.items())
def __repr__(self):
return '<MatchObject fields=%r>' % (self.fields,)
class MatchList(object):
'''Matches elements of a list. Optionally checks list length.'''
def __init__(self, item, n=None, match_element=all):
self.item = item
self.n = n
self.match_element = match_element
def __eq__(self, other):
if self.n is not None and len(other) != self.n:
return False
return self.match_element(self.item == elm for elm in other)
def __repr__(self):
return '<MatchList item=%r n=%r match_element=%s>' % \
(self.item, self.n, self.match_element.__name__)
class MatchRegExp(object):
'''Matches a string against a regular expression.'''
def __init__(self, pattern):
self.pattern = pattern
def __eq__(self, other):
return type(other) == str and re.match(self.pattern, other)
def __repr__(self):
return '<MatchRegExp pattern=%r>' % (self.pattern)
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