| [email protected] | 15f08dd | 2012-01-27 07:29:48 | [diff] [blame^] | 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 testIsEmpty(self): |
| 113 | c = Code() |
| 114 | self.assertTrue(c.IsEmpty()) |
| 115 | c.Append('asdf') |
| 116 | self.assertFalse(c.IsEmpty()) |
| 117 | |
| 118 | def testComment(self): |
| 119 | long_comment = ('This comment is eighty nine characters in longness, ' |
| 120 | 'that is, to use another word, length') |
| 121 | c = Code() |
| 122 | c.Comment(long_comment) |
| 123 | self.assertEquals( |
| 124 | '// This comment is eighty nine characters ' |
| 125 | 'in longness, that is, to use another\n' |
| 126 | '// word, length', |
| 127 | c.Render()) |
| 128 | c = Code() |
| 129 | c.Sblock('sblock') |
| 130 | c.Comment(long_comment) |
| 131 | c.Eblock('eblock') |
| 132 | c.Comment(long_comment) |
| 133 | self.assertEquals( |
| 134 | 'sblock\n' |
| 135 | ' // This comment is eighty nine characters ' |
| 136 | 'in longness, that is, to use\n' |
| 137 | ' // another word, length\n' |
| 138 | 'eblock\n' |
| 139 | '// This comment is eighty nine characters in ' |
| 140 | 'longness, that is, to use another\n' |
| 141 | '// word, length', |
| 142 | c.Render()) |
| 143 | long_word = 'x' * 100 |
| 144 | c = Code() |
| 145 | c.Comment(long_word) |
| 146 | self.assertEquals( |
| 147 | '// ' + 'x' * 77 + '\n' |
| 148 | '// ' + 'x' * 23, |
| 149 | c.Render()) |
| 150 | |
| 151 | if __name__ == '__main__': |
| 152 | unittest.main() |
