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1 #!/usr/bin/env python | |
2 # Copyright 2013 The Closure Linter Authors. All Rights Reserved. | |
3 # | |
4 # Licensed under the Apache License, Version 2.0 (the "License"); | |
5 # you may not use this file except in compliance with the License. | |
6 # You may obtain a copy of the License at | |
7 # | |
8 # http://www.apache.org/licenses/LICENSE-2.0 | |
9 # | |
10 # Unless required by applicable law or agreed to in writing, software | |
11 # distributed under the License is distributed on an "AS-IS" BASIS, | |
12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 # See the License for the specific language governing permissions and | |
14 # limitations under the License. | |
15 | |
16 """ | |
17 Tests for trailing commas (ES3) errors | |
18 | |
19 """ | |
20 | |
21 | |
22 import gflags as flags | |
23 import unittest as googletest | |
24 | |
25 from closure_linter import errors | |
26 from closure_linter import runner | |
27 from closure_linter.common import erroraccumulator | |
28 | |
29 flags.FLAGS.check_trailing_comma = True | |
30 class TrailingCommaTest(googletest.TestCase): | |
31 """Test case to for gjslint errorrules.""" | |
32 | |
33 def testGetTrailingCommaArray(self): | |
34 """ warning for trailing commas before closing array | |
35 """ | |
36 original = ['q = [1,]', ] | |
37 | |
38 # Expect line too long. | |
39 expected = errors.COMMA_AT_END_OF_LITERAL | |
40 | |
41 self._AssertInError(original, expected) | |
42 | |
43 def testGetTrailingCommaDict(self): | |
44 """ warning for trailing commas before closing array | |
45 """ | |
46 original = ['q = {1:1,}', ] | |
47 | |
48 # Expect line too long. | |
49 expected = errors.COMMA_AT_END_OF_LITERAL | |
50 | |
51 self._AssertInError(original, expected) | |
52 | |
53 def _AssertInError(self, original, expected): | |
54 """Asserts that the error fixer corrects original to expected.""" | |
55 | |
56 # Trap gjslint's output parse it to get messages added. | |
57 error_accumulator = erroraccumulator.ErrorAccumulator() | |
58 runner.Run('testing.js', error_accumulator, source=original) | |
59 error_nums = [e.code for e in error_accumulator.GetErrors()] | |
60 | |
61 self.assertIn(expected, error_nums) | |
62 | |
63 if __name__ == '__main__': | |
64 googletest.main() | |
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