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1 #!/usr/bin/env python | |
2 # Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | |
3 # | |
4 # Use of this source code is governed by a BSD-style license | |
5 # that can be found in the LICENSE file in the root of the source | |
6 # tree. An additional intellectual property rights grant can be found | |
7 # in the file PATENTS. All contributing project authors may | |
8 # be found in the AUTHORS file in the root of the source tree. | |
9 | |
10 import glob | |
11 import os | |
12 import shutil | |
13 import sys | |
14 import tempfile | |
15 import unittest | |
16 | |
17 | |
18 SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__)) | |
19 PARENT_DIR = os.path.join(SCRIPT_DIR, os.pardir) | |
20 sys.path.append(PARENT_DIR) | |
21 import roll_chromium_revision | |
22 from roll_chromium_revision import CalculateChangedDepsProper, \ | |
23 GetMatchingDepsEntries, ParseDepsDict, \ | |
24 ParseLocalDepsFile, UpdateDepsFile | |
25 | |
26 | |
27 TEST_DATA_VARS = { | |
28 'chromium_git': 'https://chromium.googlesource.com', | |
29 'chromium_revision': '1b9c098a08e40114e44b6c1ec33ddf95c40b901d', | |
30 } | |
31 | |
32 DEPS_ENTRIES = { | |
33 'src/build': 'https://build.com', | |
34 'src/buildtools': 'https://buildtools.com', | |
35 'src/testing/gtest': 'https://gtest.com', | |
36 'src/testing/gmock': 'https://gmock.com', | |
37 } | |
38 | |
39 BUILD_OLD_REV = '52f7afeca991d96d68cf0507e20dbdd5b845691f' | |
40 BUILD_NEW_REV = 'HEAD' | |
41 BUILDTOOLS_OLD_REV = '64e38f0cebdde27aa0cfb405f330063582f9ac76' | |
42 BUILDTOOLS_NEW_REV = '55ad626b08ef971fd82a62b7abb325359542952b' | |
43 | |
44 | |
45 class TestError(Exception): | |
46 pass | |
47 | |
48 | |
49 class FakeCmd(object): | |
50 def __init__(self): | |
51 self.expectations = [] | |
52 | |
53 def add_expectation(self, *args, **kwargs): | |
54 returns = kwargs.pop('_returns', None) | |
55 self.expectations.append((args, kwargs, returns)) | |
56 | |
57 def __call__(self, *args, **kwargs): | |
58 if not self.expectations: | |
59 raise TestError('Got unexpected\n%s\n%s' % (args, kwargs)) | |
60 exp_args, exp_kwargs, exp_returns = self.expectations.pop(0) | |
61 if args != exp_args or kwargs != exp_kwargs: | |
62 message = 'Expected:\n args: %s\n kwargs: %s\n' % (exp_args, exp_kwargs) | |
63 message += 'Got:\n args: %s\n kwargs: %s\n' % (args, kwargs) | |
64 raise TestError(message) | |
65 return exp_returns | |
66 | |
67 | |
68 class TestRollChromiumRevision(unittest.TestCase): | |
69 def setUp(self): | |
70 self._output_dir = tempfile.mkdtemp() | |
71 for test_file in glob.glob(os.path.join(SCRIPT_DIR, 'testdata', '*')): | |
72 shutil.copy(test_file, self._output_dir) | |
73 self._webrtc_depsfile = os.path.join(self._output_dir, 'DEPS') | |
74 self._old_cr_depsfile = os.path.join(self._output_dir, 'DEPS.chromium.old') | |
75 self._new_cr_depsfile = os.path.join(self._output_dir, 'DEPS.chromium.new') | |
76 | |
77 self.fake = FakeCmd() | |
78 self.old_RunCommand = getattr(roll_chromium_revision, '_RunCommand') | |
79 setattr(roll_chromium_revision, '_RunCommand', self.fake) | |
80 | |
81 def tearDown(self): | |
82 shutil.rmtree(self._output_dir, ignore_errors=True) | |
83 self.assertEqual(self.fake.expectations, []) | |
84 setattr(roll_chromium_revision, '_RunCommand', self.old_RunCommand) | |
85 | |
86 def testUpdateDepsFile(self): | |
87 new_rev = 'aaaaabbbbbcccccdddddeeeeefffff0000011111' | |
88 | |
89 current_rev = TEST_DATA_VARS['chromium_revision'] | |
90 UpdateDepsFile(self._webrtc_depsfile, current_rev, new_rev, []) | |
91 with open(self._webrtc_depsfile) as deps_file: | |
92 deps_contents = deps_file.read() | |
93 self.assertTrue(new_rev in deps_contents, | |
94 'Failed to find %s in\n%s' % (new_rev, deps_contents)) | |
95 | |
96 def testParseDepsDict(self): | |
97 with open(self._webrtc_depsfile) as deps_file: | |
98 deps_contents = deps_file.read() | |
99 local_scope = ParseDepsDict(deps_contents) | |
100 vars_dict = local_scope['vars'] | |
101 | |
102 def assertVar(variable_name): | |
103 self.assertEquals(vars_dict[variable_name], TEST_DATA_VARS[variable_name]) | |
104 assertVar('chromium_git') | |
105 assertVar('chromium_revision') | |
106 self.assertEquals(len(local_scope['deps']), 3) | |
107 self.assertEquals(len(local_scope['deps_os']), 1) | |
108 | |
109 def testGetMatchingDepsEntriesReturnsPathInSimpleCase(self): | |
110 entries = GetMatchingDepsEntries(DEPS_ENTRIES, 'src/testing/gtest') | |
111 self.assertEquals(len(entries), 1) | |
112 self.assertEquals(entries[0], DEPS_ENTRIES['src/testing/gtest']) | |
113 | |
114 def testGetMatchingDepsEntriesHandlesSimilarStartingPaths(self): | |
115 entries = GetMatchingDepsEntries(DEPS_ENTRIES, 'src/testing') | |
116 self.assertEquals(len(entries), 2) | |
117 | |
118 def testGetMatchingDepsEntriesHandlesTwoPathsWithIdenticalFirstParts(self): | |
119 entries = GetMatchingDepsEntries(DEPS_ENTRIES, 'src/build') | |
120 self.assertEquals(len(entries), 1) | |
121 self.assertEquals(entries[0], DEPS_ENTRIES['src/build']) | |
122 | |
123 def testCalculateChangedDepsProper(self): | |
124 _SetupGitLsRemoteCall(self.fake, | |
125 'https://chromium.googlesource.com/chromium/src/build', BUILD_NEW_REV) | |
126 webrtc_deps = ParseLocalDepsFile(self._webrtc_depsfile) | |
127 new_cr_deps = ParseLocalDepsFile(self._new_cr_depsfile) | |
128 changed_deps = CalculateChangedDepsProper(webrtc_deps, new_cr_deps) | |
129 self.assertEquals(len(changed_deps), 2) | |
130 self.assertEquals(changed_deps[0].path, 'src/build') | |
131 self.assertEquals(changed_deps[0].current_rev, BUILD_OLD_REV) | |
132 self.assertEquals(changed_deps[0].new_rev, BUILD_NEW_REV) | |
133 | |
134 self.assertEquals(changed_deps[1].path, 'src/buildtools') | |
135 self.assertEquals(changed_deps[1].current_rev, BUILDTOOLS_OLD_REV) | |
136 self.assertEquals(changed_deps[1].new_rev, BUILDTOOLS_NEW_REV) | |
137 | |
138 def testCalculateChangedDepsLegacy(self): | |
139 old_cr_deps = ParseLocalDepsFile(self._old_cr_depsfile) | |
140 new_cr_deps = ParseLocalDepsFile(self._new_cr_depsfile) | |
141 changed_deps = CalculateChangedDepsProper(old_cr_deps, new_cr_deps) | |
142 self.assertEquals(len(changed_deps), 1) | |
143 self.assertEquals(changed_deps[0].path, 'src/buildtools') | |
144 self.assertEquals(changed_deps[0].current_rev, BUILDTOOLS_OLD_REV) | |
145 self.assertEquals(changed_deps[0].new_rev, BUILDTOOLS_NEW_REV) | |
146 | |
147 | |
148 def _SetupGitLsRemoteCall(cmd_fake, url, revision): | |
149 cmd = ['git', 'ls-remote', url, revision] | |
150 cmd_fake.add_expectation(cmd, _returns=(revision, None)) | |
151 | |
152 | |
153 if __name__ == '__main__': | |
154 unittest.main() | |
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