1 #!/usr/bin/env python 2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 6 from code import Code 7 import unittest 8 9 class CodeTest(unittest.TestCase): 10 def testAppend(self): 11 c = Code() 12 c.Append('line') 13 self.assertEquals('line', c.Render()) 14 15 def testBlock(self): 16 c = Code() 17 (c.Append('line') 18 .Sblock('sblock') 19 .Append('inner') 20 .Append('moreinner') 21 .Sblock('moresblock') 22 .Append('inner') 23 .Eblock('out') 24 .Append('inner') 25 .Eblock('out') 26 ) 27 self.assertEquals( 28 'line\n' 29 'sblock\n' 30 ' inner\n' 31 ' moreinner\n' 32 ' moresblock\n' 33 ' inner\n' 34 ' out\n' 35 ' inner\n' 36 'out', 37 c.Render()) 38 39 def testConcat(self): 40 b = Code() 41 (b.Sblock('2') 42 .Append('2') 43 .Eblock('2') 44 ) 45 c = Code() 46 (c.Sblock('1') 47 .Concat(b) 48 .Append('1') 49 .Eblock('1') 50 ) 51 self.assertEquals( 52 '1\n' 53 ' 2\n' 54 ' 2\n' 55 ' 2\n' 56 ' 1\n' 57 '1', 58 c.Render()) 59 d = Code() 60 a = Code() 61 a.Concat(d) 62 self.assertEquals('', a.Render()) 63 a.Concat(c) 64 self.assertEquals( 65 '1\n' 66 ' 2\n' 67 ' 2\n' 68 ' 2\n' 69 ' 1\n' 70 '1', 71 a.Render()) 72 73 def testConcatErrors(self): 74 c = Code() 75 d = Code() 76 d.Append('%s') 77 self.assertRaises(TypeError, c.Concat, d) 78 d = Code() 79 d.Append('%(classname)s') 80 self.assertRaises(TypeError, c.Concat, d) 81 d = 'line of code' 82 self.assertRaises(TypeError, c.Concat, d) 83 84 def testSubstitute(self): 85 c = Code() 86 c.Append('%(var1)s %(var2)s %(var1)s') 87 c.Substitute({'var1': 'one', 'var2': 'two'}) 88 self.assertEquals('one two one', c.Render()) 89 c.Append('%(var1)s %(var2)s %(var3)s') 90 c.Append('%(var2)s %(var1)s %(var3)s') 91 c.Substitute({'var1': 'one', 'var2': 'two', 'var3': 'three'}) 92 self.assertEquals( 93 'one two one\n' 94 'one two three\n' 95 'two one three', 96 c.Render()) 97 98 def testSubstituteErrors(self): 99 # No unnamed placeholders allowed when substitute is run 100 c = Code() 101 c.Append('%s %s') 102 self.assertRaises(TypeError, c.Substitute, ('var1', 'one')) 103 c = Code() 104 c.Append('%s %(var1)s') 105 self.assertRaises(TypeError, c.Substitute, {'var1': 'one'}) 106 c = Code() 107 c.Append('%s %(var1)s') 108 self.assertRaises(TypeError, c.Substitute, {'var1': 'one'}) 109 c = Code() 110 c.Append('%(var1)s') 111 self.assertRaises(KeyError, c.Substitute, {'clearlynotvar1': 'one'}) 112 113 def testIsEmpty(self): 114 c = Code() 115 self.assertTrue(c.IsEmpty()) 116 c.Append('asdf') 117 self.assertFalse(c.IsEmpty()) 118 119 def testComment(self): 120 long_comment = ('This comment is eighty nine characters in longness, ' 121 'that is, to use another word, length') 122 c = Code() 123 c.Comment(long_comment) 124 self.assertEquals( 125 '// This comment is eighty nine characters ' 126 'in longness, that is, to use another\n' 127 '// word, length', 128 c.Render()) 129 c = Code() 130 c.Sblock('sblock') 131 c.Comment(long_comment) 132 c.Eblock('eblock') 133 c.Comment(long_comment) 134 self.assertEquals( 135 'sblock\n' 136 ' // This comment is eighty nine characters ' 137 'in longness, that is, to use\n' 138 ' // another word, length\n' 139 'eblock\n' 140 '// This comment is eighty nine characters in ' 141 'longness, that is, to use another\n' 142 '// word, length', 143 c.Render()) 144 long_word = 'x' * 100 145 c = Code() 146 c.Comment(long_word) 147 self.assertEquals( 148 '// ' + 'x' * 77 + '\n' 149 '// ' + 'x' * 23, 150 c.Render()) 151 152 def testCommentWithSpecialCharacters(self): 153 c = Code() 154 c.Comment('20% of 80%s') 155 c.Substitute({}) 156 self.assertEquals('// 20% of 80%s', c.Render()) 157 d = Code() 158 d.Append('90') 159 d.Concat(c) 160 self.assertEquals('90\n' 161 '// 20% of 80%s', 162 d.Render()) 163 164 if __name__ == '__main__': 165 unittest.main() 166
