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1 # Copyright 2013 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 import tempfile | |
6 import unittest | |
7 | |
8 import md5_check # pylint: disable=W0403 | |
9 | |
10 | |
11 class TestMd5Check(unittest.TestCase): | |
12 def setUp(self): | |
13 self.called = False | |
14 | |
15 def testCallAndRecordIfStale(self): | |
16 input_strings = ['string1', 'string2'] | |
17 input_file1 = tempfile.NamedTemporaryFile() | |
18 input_file2 = tempfile.NamedTemporaryFile() | |
19 file1_contents = 'input file 1' | |
20 file2_contents = 'input file 2' | |
21 input_file1.write(file1_contents) | |
22 input_file1.flush() | |
23 input_file2.write(file2_contents) | |
24 input_file2.flush() | |
25 input_files = [input_file1.name, input_file2.name] | |
26 | |
27 record_path = tempfile.NamedTemporaryFile(suffix='.stamp') | |
28 | |
29 def CheckCallAndRecord(should_call, message, force=False): | |
30 self.called = False | |
31 def MarkCalled(): | |
32 self.called = True | |
33 md5_check.CallAndRecordIfStale( | |
34 MarkCalled, | |
35 record_path=record_path.name, | |
36 input_paths=input_files, | |
37 input_strings=input_strings, | |
38 force=force) | |
39 self.failUnlessEqual(should_call, self.called, message) | |
40 | |
41 CheckCallAndRecord(True, 'should call when record doesn\'t exist') | |
42 CheckCallAndRecord(False, 'should not call when nothing changed') | |
43 CheckCallAndRecord(True, force=True, message='should call when forced') | |
44 | |
45 input_file1.write('some more input') | |
46 input_file1.flush() | |
47 CheckCallAndRecord(True, 'changed input file should trigger call') | |
48 | |
49 input_files = input_files[::-1] | |
50 CheckCallAndRecord(False, 'reordering of inputs shouldn\'t trigger call') | |
51 | |
52 input_files = input_files[:1] | |
53 CheckCallAndRecord(True, 'removing file should trigger call') | |
54 | |
55 input_files.append(input_file2.name) | |
56 CheckCallAndRecord(True, 'added input file should trigger call') | |
57 | |
58 input_strings[0] = input_strings[0] + ' a bit longer' | |
59 CheckCallAndRecord(True, 'changed input string should trigger call') | |
60 | |
61 input_strings = input_strings[::-1] | |
62 CheckCallAndRecord(True, 'reordering of string inputs should trigger call') | |
63 | |
64 input_strings = input_strings[:1] | |
65 CheckCallAndRecord(True, 'removing a string should trigger call') | |
66 | |
67 input_strings.append('a brand new string') | |
68 CheckCallAndRecord(True, 'added input string should trigger call') | |
69 | |
70 | |
71 if __name__ == '__main__': | |
72 unittest.main() | |
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