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""" Test the cogapp.whiteutils module. http://nedbatchelder.com/code/cog
Copyright 2004-2012, Ned Batchelder. """
from __future__ import absolute_import import unittest from .whiteutils import *
class WhitePrefixTests(unittest.TestCase): """ Test cases for cogapp.whiteutils. """
def testSingleLine(self): self.assertEqual(whitePrefix(['']), '') self.assertEqual(whitePrefix([' ']), '') self.assertEqual(whitePrefix(['x']), '') self.assertEqual(whitePrefix([' x']), ' ') self.assertEqual(whitePrefix(['\tx']), '\t') self.assertEqual(whitePrefix([' x']), ' ') self.assertEqual(whitePrefix([' \t \tx ']), ' \t \t')
def testMultiLine(self): self.assertEqual(whitePrefix([' x',' x',' x']), ' ') self.assertEqual(whitePrefix([' y',' y',' y']), ' ') self.assertEqual(whitePrefix([' y',' y',' y']), ' ')
def testBlankLinesAreIgnored(self): self.assertEqual(whitePrefix([' x',' x','',' x']), ' ') self.assertEqual(whitePrefix(['',' x',' x',' x']), ' ') self.assertEqual(whitePrefix([' x',' x',' x','']), ' ') self.assertEqual(whitePrefix([' x',' x',' ',' x']), ' ')
def testTabCharacters(self): self.assertEqual(whitePrefix(['\timport sys', '', '\tprint sys.argv']), '\t')
def testDecreasingLengths(self): self.assertEqual(whitePrefix([' x',' x',' x']), ' ') self.assertEqual(whitePrefix([' x',' x',' x']), ' ')
class ReindentBlockTests(unittest.TestCase): """ Test cases for cogapp.reindentBlock. """
def testNonTermLine(self): self.assertEqual(reindentBlock(''), '') self.assertEqual(reindentBlock('x'), 'x') self.assertEqual(reindentBlock(' x'), 'x') self.assertEqual(reindentBlock(' x'), 'x') self.assertEqual(reindentBlock('\tx'), 'x') self.assertEqual(reindentBlock('x', ' '), ' x') self.assertEqual(reindentBlock('x', '\t'), '\tx') self.assertEqual(reindentBlock(' x', ' '), ' x') self.assertEqual(reindentBlock(' x', '\t'), '\tx') self.assertEqual(reindentBlock(' x', ' '), ' x')
def testSingleLine(self): self.assertEqual(reindentBlock('\n'), '\n') self.assertEqual(reindentBlock('x\n'), 'x\n') self.assertEqual(reindentBlock(' x\n'), 'x\n') self.assertEqual(reindentBlock(' x\n'), 'x\n') self.assertEqual(reindentBlock('\tx\n'), 'x\n') self.assertEqual(reindentBlock('x\n', ' '), ' x\n') self.assertEqual(reindentBlock('x\n', '\t'), '\tx\n') self.assertEqual(reindentBlock(' x\n', ' '), ' x\n') self.assertEqual(reindentBlock(' x\n', '\t'), '\tx\n') self.assertEqual(reindentBlock(' x\n', ' '), ' x\n')
def testRealBlock(self): self.assertEqual( reindentBlock('\timport sys\n\n\tprint sys.argv\n'), 'import sys\n\nprint sys.argv\n' )
class CommonPrefixTests(unittest.TestCase): """ Test cases for cogapp.commonPrefix. """
def testDegenerateCases(self): self.assertEqual(commonPrefix([]), '') self.assertEqual(commonPrefix(['']), '') self.assertEqual(commonPrefix(['','','','','']), '') self.assertEqual(commonPrefix(['cat in the hat']), 'cat in the hat')
def testNoCommonPrefix(self): self.assertEqual(commonPrefix(['a','b']), '') self.assertEqual(commonPrefix(['a','b','c','d','e','f']), '') self.assertEqual(commonPrefix(['a','a','a','a','a','x']), '')
def testUsualCases(self): self.assertEqual(commonPrefix(['ab', 'ac']), 'a') self.assertEqual(commonPrefix(['aab', 'aac']), 'aa') self.assertEqual(commonPrefix(['aab', 'aab', 'aab', 'aac']), 'aa')
def testBlankLine(self): self.assertEqual(commonPrefix(['abc', 'abx', '', 'aby']), '')
def testDecreasingLengths(self): self.assertEqual(commonPrefix(['abcd', 'abc', 'ab']), 'ab')
if __name__ == '__main__': #pragma: no cover unittest.main() |