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#!/usr/bin/env python
# Copyright 2011 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
from StringIO import StringIO
import ninja_syntax
LONGWORD = 'a' * 10
INDENT = ' '
class TestLineWordWrap(unittest.TestCase):
def setUp(self):
self.out = StringIO()
self.n = ninja_syntax.Writer(self.out, width=8)
def test_single_long_word(self):
# We shouldn't wrap a single long word.
self.n._line(LONGWORD)
self.assertEqual(LONGWORD + '\n', self.out.getvalue())
def test_few_long_words(self):
# We should wrap a line where the second word is overlong.
self.n._line(' '.join(['x', LONGWORD, 'y']))
self.assertEqual(' $\n'.join(['x',
INDENT + LONGWORD,
INDENT + 'y']) + '\n',
self.out.getvalue())
def test_few_long_words_indented(self):
# Check wrapping in the presence of indenting.
self.n._line(' '.join(['x', LONGWORD, 'y']), indent=1)
self.assertEqual(' $\n'.join([' ' + 'x',
' ' + INDENT + LONGWORD,
' ' + INDENT + 'y']) + '\n',
self.out.getvalue())
if __name__ == '__main__':
unittest.main()
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