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# The contents of this file are subject to the Mozilla Public License
# (MPL) 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 LEPL (http://www.acooke.org/lepl)
# The Initial Developer of the Original Code is Andrew Cooke.
# Portions created by the Initial Developer are Copyright (C) 2009-2010
# Andrew Cooke (andrew@acooke.org). All Rights Reserved.
#
# Alternatively, the contents of this file may be used under the terms
# of the LGPL license (the GNU Lesser General Public License,
# http://www.gnu.org/licenses/lgpl.html), in which case the provisions
# of the LGPL License are applicable instead of those above.
#
# If you wish to allow use of your version of this file only under the
# terms of the LGPL License and not to allow others to use your version
# of this file under the MPL, indicate your decision by deleting the
# provisions above and replace them with the notice and other provisions
# required by the LGPL License. If you do not delete the provisions
# above, a recipient may use your version of this file under either the
# MPL or the LGPL License.

'''
Tests for the combining matchers.
'''

#from logging import basicConfig, DEBUG
from unittest import TestCase

from lepl.matchers.combine import DepthFirst, BreadthFirst, Difference, Limit
from lepl.matchers.core import Any
from lepl.matchers.derived import Integer, Real
from lepl._test.base import BaseTest


class DirectionTest1(TestCase):

def matcher(self):
return Any()

def test_depth(self):
#basicConfig(level=DEBUG)
matcher = DepthFirst(self.matcher(), 1, 2)
matcher.config.no_full_first_match()
matcher = matcher.get_match()
results = list(map(''.join, map(lambda x: x[0], matcher('123'))))
assert results == ['12', '1'], results

def test_breadth(self):
matcher = BreadthFirst(self.matcher(), 1, 2)
matcher.config.no_full_first_match()
matcher = matcher.get_match()
results = list(map(''.join, map(lambda x: x[0], matcher('123'))))
assert results == ['1', '12'], results


class DirectionTest2(TestCase):

def matcher(self):
return ~Any()[:] & Any()

def test_depth(self):
matcher = DepthFirst(self.matcher(), 1, 2)
matcher.config.no_full_first_match()
matcher = matcher.get_match()
results = list(map(''.join, map(lambda x: x[0], matcher('123'))))
assert results == ['3', '23', '2', '13', '12', '1'], results

def test_breadth(self):
matcher = BreadthFirst(self.matcher(), 1, 2)
matcher.config.no_full_first_match()
matcher = matcher.get_match()
results = list(map(''.join, map(lambda x: x[0], matcher('123'))))
assert results == ['3', '2', '1', '23', '13', '12'], results


class DifferenceTest(BaseTest):

def test_difference(self):
#basicConfig(level=DEBUG)
matcher = Difference(Real(), Integer())
self.assert_direct('12.3', matcher, [['12.3'], ['12.']])

def test_count(self):
#basicConfig(level=DEBUG)
matcher = Difference(Real(), Integer(), count=1)
self.assert_direct('12.3', matcher, [['12.3'], ['12.'], ['1']])


class LimitTest(BaseTest):

def test_limit(self):
self.assert_direct('1.2', Real(), [['1.2'], ['1.'], ['1']])
self.assert_direct('1.2', Limit(Real(), 1), [['1.2']])
self.assert_direct('1.2', Limit(Real(), 2), [['1.2'], ['1.']])
self.assert_direct('1.2', Limit(Real(), 0), [])

Change log

7078985aebe3 by andrew cooke <and...@acooke.org> on Mar 17, 2012   Diff
make strings more string-like
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Older revisions

73aef46134e1 by andrew on Jan 28, 2011   Diff
further limit / repeat work
81c22766a045 by andrew on Jan 28, 2011   Diff
changing float, adding difference,
updatig docs
24149d06cbb5 by and...@small.europa2189 on Apr 2, 2010   Diff
change licence in source
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