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Delta Between Two Patch Sets: eyeo-depup/tests/test_vcs.py

Issue 29599579: OffTopic: DependencyUpdater
Left Patch Set: Addressing Dave's comments Created Nov. 13, 2017, 2:32 p.m.
Right Patch Set: Created Nov. 27, 2017, 9:40 a.m.
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1 # This file is part of Adblock Plus <https://adblockplus.org/>,
2 # Copyright (C) 2006-present eyeo GmbH
3 #
4 # Adblock Plus is free software: you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License version 3 as
6 # published by the Free Software Foundation.
7 #
8 # Adblock Plus is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
12 #
13 # You should have received a copy of the GNU General Public License
14 # along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
15
16 """This module contains the tests for src/vcs.py."""
17
18 from __future__ import unicode_literals
19
20 import io
21 import os
22 import subprocess
23
24 import pytest
25
26 from src.vcs import Vcs, Git, Mercurial
27
28 DATA_DIR = os.path.join(
29 os.path.realpath(os.path.dirname(__file__)), 'data'
30 )
31
32
33 class _VcsCmd(object):
34 def __init__(self, executable, cwd):
35 self.executable = executable
36 self.cwd = cwd
37
38 def run(self, *cmd):
39 return subprocess.check_output((self.executable,) + cmd, cwd=self.cwd)
40
41 def __enter__(self):
42 return self
43
44 def __exit__(self, *exc):
45 return
46
47
48 @pytest.fixture(scope='module')
49 def hg_repo(tmpdir_factory):
50 """Create a mercurial repository for the tests."""
51 hg_dir = tmpdir_factory.mktemp('repos').mkdir('hg').mkdir('testrepo')
52 hg = _VcsCmd('hg', str(hg_dir))
53
54 hg.run('init')
55 hg.run('import', os.path.join(DATA_DIR, '0.diff'))
56 hg.run('import', os.path.join(DATA_DIR, '1.diff'))
57
58 hg.run('update', '-c', '0')
59 hg.run('import', os.path.join(DATA_DIR, '2.diff'))
60 hg.run('bookmark', 'master')
61
62 with io.open(os.path.join(str(hg_dir), '.hg', 'hgrc'), 'w') as fp:
63 fp.write('[paths]{}default = {}{}'.format(os.linesep, str(hg_dir),
64 os.linesep))
65 return hg_dir
66
67
68 @pytest.fixture
69 def git_repo(tmpdir_factory):
70 """Create a git repository for the tests."""
71 git_dir = tmpdir_factory.mktemp('repos').mkdir('git').mkdir('testrepo')
72 git = _VcsCmd('git', str(git_dir))
73
74 git.run('init')
75 git.run('am', os.path.join(DATA_DIR, '0.diff'))
76 git.run('am', os.path.join(DATA_DIR, '2.diff'))
77
78 git.run('checkout', '-b', 'splitted')
79 git.run('am', os.path.join(DATA_DIR, '1.diff'))
80 git.run('checkout', 'master')
81
82 git.run('remote', 'add', 'origin', str(git_dir))
83 return git_dir
84
85
86 def test_factory(git_repo, hg_repo):
87 """Test VCS determination."""
88 assert Vcs.factory(str(git_repo)).__class__ == Git
89 assert Vcs.factory(str(hg_repo)).__class__ == Mercurial
90
91
92 def test_hash_lookup(git_repo, hg_repo):
93 """Assert correct mirroring between Mercurial / Git."""
94 git = Vcs.factory(str(git_repo))
95 hg = Vcs.factory(str(hg_repo))
96
97 first_git_commit = git.run_cmd('rev-list', '--max-parents=0',
98 'HEAD').strip()
99 first_hg_commit = hg.run_cmd('log', '-r', '0',
100 '--template="{node|short}"').strip()
101
102 change_list_git = git.change_list(first_git_commit, 'master')
103 change_list_hg = hg.change_list(first_hg_commit, 'master')
104
105 git.enhance_changes_information(change_list_git, str(hg_repo), False)
106 hg.enhance_changes_information(change_list_hg, str(git_repo), False)
107
108 assert len(change_list_git) == len(change_list_hg)
109 for i, change in enumerate(change_list_git):
110 assert change['hg_hash'] == change_list_hg[i]['hg_hash']
111 assert change['git_hash'] == change_list_hg[i]['git_hash']
112 assert change['hg_url'] == change_list_hg[i]['hg_url']
113 assert change['git_url'] == change_list_hg[i]['git_url']
114
115
116 def test_dirty_check_and_clean(git_repo, hg_repo):
117 """Test discovering and cleaning of a dirty repository."""
118 for repo in [git_repo, hg_repo]:
119 vcs = Vcs.factory(str(repo))
120
121 repo.join('foobar.txt').write('foobar')
122 assert vcs.repo_is_clean() is False
123
124 vcs.undo_changes()
125 assert vcs.repo_is_clean()
126
127 repo.join('foo').write('bar')
128 assert vcs.repo_is_clean() is False
129
130
131 def test_tmp_cloning_and_cleanup(git_repo, hg_repo):
132 """Test cleanup after temporary cloning a repository."""
133 for repo in [git_repo, hg_repo]:
134 with Vcs.factory(str(repo), True) as tmp_repo:
135 tmp_dir = tmp_repo._cwd
136 tmp_repo._get_latest()
137
138 assert os.path.exists(tmp_dir) is False
139
140
141 def test_commit(git_repo, hg_repo):
142 """Test commit functionality of Vcs."""
143 for repo in [git_repo, hg_repo]:
144 vcs = Vcs.factory(str(repo))
145
146 repo.join('foobar.txt').write('foobar')
147
148 vcs.commit_changes('Testing commit')
149
150 assert 'Testing commit' in vcs.run_cmd('log')
LEFTRIGHT

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