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| 1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 # Use of this source code is governed by a BSD-style license that can be |
| 3 # found in the LICENSE file. |
| 4 |
| 5 from code import Code |
| 6 import unittest |
| 7 |
| 8 class CodeTest(unittest.TestCase): |
| 9 def testAppend(self): |
| 10 c = Code() |
| 11 c.Append('line') |
| 12 self.assertEquals('line', c.Render()) |
| 13 |
| 14 def testBlock(self): |
| 15 c = Code() |
| 16 (c.Append('line') |
| 17 .Sblock('sblock') |
| 18 .Append('inner') |
| 19 .Append('moreinner') |
| 20 .Sblock('moresblock') |
| 21 .Append('inner') |
| 22 .Eblock('out') |
| 23 .Append('inner') |
| 24 .Eblock('out') |
| 25 ) |
| 26 self.assertEquals( |
| 27 'line\n' |
| 28 'sblock\n' |
| 29 ' inner\n' |
| 30 ' moreinner\n' |
| 31 ' moresblock\n' |
| 32 ' inner\n' |
| 33 ' out\n' |
| 34 ' inner\n' |
| 35 'out', |
| 36 c.Render()) |
| 37 |
| 38 def testConcat(self): |
| 39 b = Code() |
| 40 (b.Sblock('2') |
| 41 .Append('2') |
| 42 .Eblock('2') |
| 43 ) |
| 44 c = Code() |
| 45 (c.Sblock('1') |
| 46 .Concat(b) |
| 47 .Append('1') |
| 48 .Eblock('1') |
| 49 ) |
| 50 self.assertEquals( |
| 51 '1\n' |
| 52 ' 2\n' |
| 53 ' 2\n' |
| 54 ' 2\n' |
| 55 ' 1\n' |
| 56 '1', |
| 57 c.Render()) |
| 58 d = Code() |
| 59 a = Code() |
| 60 a.Concat(d) |
| 61 self.assertEquals('', a.Render()) |
| 62 a.Concat(c) |
| 63 self.assertEquals( |
| 64 '1\n' |
| 65 ' 2\n' |
| 66 ' 2\n' |
| 67 ' 2\n' |
| 68 ' 1\n' |
| 69 '1', |
| 70 a.Render()) |
| 71 |
| 72 def testConcatErrors(self): |
| 73 c = Code() |
| 74 d = Code() |
| 75 d.Append('%s') |
| 76 self.assertRaises(TypeError, c.Concat, d) |
| 77 d = Code() |
| 78 d.Append('%(classname)s') |
| 79 self.assertRaises(TypeError, c.Concat, d) |
| 80 d = 'line of code' |
| 81 self.assertRaises(TypeError, c.Concat, d) |
| 82 |
| 83 def testSubstitute(self): |
| 84 c = Code() |
| 85 c.Append('%(var1)s %(var2)s %(var1)s') |
| 86 c.Substitute({'var1': 'one', 'var2': 'two'}) |
| 87 self.assertEquals('one two one', c.Render()) |
| 88 c.Append('%(var1)s %(var2)s %(var3)s') |
| 89 c.Append('%(var2)s %(var1)s %(var3)s') |
| 90 c.Substitute({'var1': 'one', 'var2': 'two', 'var3': 'three'}) |
| 91 self.assertEquals( |
| 92 'one two one\n' |
| 93 'one two three\n' |
| 94 'two one three', |
| 95 c.Render()) |
| 96 |
| 97 def testSubstituteErrors(self): |
| 98 # No unnamed placeholders allowed when substitute is run |
| 99 c = Code() |
| 100 c.Append('%s %s') |
| 101 self.assertRaises(TypeError, c.Substitute, ('var1', 'one')) |
| 102 c = Code() |
| 103 c.Append('%s %(var1)s') |
| 104 self.assertRaises(TypeError, c.Substitute, {'var1': 'one'}) |
| 105 c = Code() |
| 106 c.Append('%s %(var1)s') |
| 107 self.assertRaises(TypeError, c.Substitute, {'var1': 'one'}) |
| 108 c = Code() |
| 109 c.Append('%(var1)s') |
| 110 self.assertRaises(KeyError, c.Substitute, {'clearlynotvar1': 'one'}) |
| 111 |
| 112 def testComment(self): |
| 113 long_comment = ('This comment is eighty nine characters in longness, ' |
| 114 'that is, to use another word, length') |
| 115 c = Code() |
| 116 c.Comment(long_comment) |
| 117 self.assertEquals( |
| 118 '// This comment is eighty nine characters ' |
| 119 'in longness, that is, to use another\n' |
| 120 '// word, length', |
| 121 c.Render()) |
| 122 c = Code() |
| 123 c.Sblock('sblock') |
| 124 c.Comment(long_comment) |
| 125 c.Eblock('eblock') |
| 126 c.Comment(long_comment) |
| 127 self.assertEquals( |
| 128 'sblock\n' |
| 129 ' // This comment is eighty nine characters ' |
| 130 'in longness, that is, to use\n' |
| 131 ' // another word, length\n' |
| 132 'eblock\n' |
| 133 '// This comment is eighty nine characters in ' |
| 134 'longness, that is, to use another\n' |
| 135 '// word, length', |
| 136 c.Render()) |
| 137 long_word = 'x' * 100 |
| 138 c = Code() |
| 139 c.Comment(long_word) |
| 140 self.assertEquals( |
| 141 '// ' + 'x' * 77 + '\n' |
| 142 '// ' + 'x' * 23, |
| 143 c.Render()) |
| 144 |
| 145 if __name__ == '__main__': |
| 146 unittest.main() |
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Chromium Code Reviews
Issue 9114036:
Code generation for extensions api (Closed)
Base URL: http://git.chromium.org/chromium/src.git@master