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1#!/usr/bin/python -u
2#
3# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
4# Use of this source code is governed by a BSD-style license that can be
5# found in the LICENSE file.
6#
7
8#pylint: disable-msg=C0111
9
10import mox, os, shutil, tempfile, unittest
11
12import common
13from django.conf import settings
14from autotest_lib.client.common_lib import global_config
15from autotest_lib.frontend import database_settings_helper
16from autotest_lib.frontend import setup_django_environment
17from autotest_lib.frontend import setup_test_environment
18from autotest_lib.frontend.afe import frontend_test_utils
19from autotest_lib.frontend.afe import models as django_afe_models
20from autotest_lib.frontend.tko import models as django_tko_models
21from autotest_lib.tko import db as tko_db
22from autotest_lib.tko.site_parse import StackTrace
23
24# Have to import this after setup_django_environment and setup_test_environment.
25# It creates a database connection, so the mocking has to be done first.
26from django.db import connections
27
28class stack_trace_test(unittest.TestCase):
29
30
31    def setUp(self):
32        setup_test_environment.set_up()
33        self._fake_results = tempfile.mkdtemp()
34        self._cros_src_dir = global_config.global_config.get_config_value(
35            'CROS', 'source_tree', default=None)
36
37        if not self._cros_src_dir:
38            self.fail('No Chrome OS source tree defined in global_config.ini')
39
40        self._stack_trace = StackTrace(
41            self._fake_results, self._cros_src_dir)
42
43        self._cache_dir = os.path.join(
44            self._cros_src_dir, 'chroot', self._stack_trace._CACHE_DIR)
45
46        # Ensure we don't obliterate a live cache directory by accident.
47        if os.path.exists(self._cache_dir):
48            self.fail(
49                'Symbol cache directory already exists. Cowardly refusing to'
50                ' run. Please remove this directory manually to continue.')
51
52
53    def tearDown(self):
54        setup_test_environment.tear_down()
55        shutil.rmtree(self._fake_results)
56        if os.path.exists(self._cache_dir):
57            shutil.rmtree(self._cache_dir)
58
59
60    def _setup_basic_cache(self,
61                           job_name='x86-alex-r16-R16-1166.0.0-a1-b1118_bvt',
62                           mkdir=True):
63        # Ensure cache directory is present.
64        self._stack_trace._get_cache_dir()
65        board, rev, version = self._stack_trace._parse_job_name(job_name)
66
67        symbols_dir = os.path.join(
68            self._cache_dir, '-'.join([board, rev, version]))
69        if mkdir:
70            os.mkdir(symbols_dir)
71
72        chroot_symbols_dir = os.sep + os.path.relpath(
73            symbols_dir, self._stack_trace._chroot_dir)
74
75        return job_name, symbols_dir, chroot_symbols_dir
76
77
78    def test_get_job_name(self):
79        job_name = 'x86-alex-r16-R16-1166.0.0-a1-b1118_regression'
80        with open(os.path.join(self._fake_results, 'keyval'), 'w') as f:
81            f.write('label=%s' % job_name)
82
83        self.assertEqual(self._stack_trace._get_job_name(), job_name)
84
85
86    def test_parse_3_tuple_job_name(self):
87        job_name = 'x86-alex-r16-R16-1166.0.0-a1-b1118_regression'
88        board, rev, version = self._stack_trace._parse_job_name(job_name)
89        self.assertEqual(board, 'x86-alex')
90        self.assertEqual(rev, 'r16')
91        self.assertEqual(version, '1166.0.0')
92
93
94    def test_parse_4_tuple_job_name(self):
95        job_name = 'x86-mario-r15-0.15.1011.74-a1-b61_bvt'
96        board, rev, version = self._stack_trace._parse_job_name(job_name)
97        self.assertEqual(board, 'x86-mario')
98        self.assertEqual(rev, 'r15')
99        self.assertEqual(version, '0.15.1011.74')
100
101
102    def test_parse_4_tuple_au_job_name(self):
103        job_name = 'x86-alex-r15-0.15.1011.81_to_0.15.1011.82-a1-b69_mton_au'
104        board, rev, version = self._stack_trace._parse_job_name(job_name)
105        self.assertEqual(board, 'x86-alex')
106        self.assertEqual(rev, 'r15')
107        self.assertEqual(version, '0.15.1011.82')
108
109
110    def test_parse_3_tuple_au_job_name(self):
111        job_name = 'x86-alex-r16-1165.0.0_to_R16-1166.0.0-a1-b69_mton_au'
112        board, rev, version = self._stack_trace._parse_job_name(job_name)
113        self.assertEqual(board, 'x86-alex')
114        self.assertEqual(rev, 'r16')
115        self.assertEqual(version, '1166.0.0')
116
117
118class database_selection_test(mox.MoxTestBase,
119                              frontend_test_utils.FrontendTestMixin):
120
121    def setUp(self):
122        super(database_selection_test, self).setUp()
123        self._frontend_common_setup(fill_data=False)
124
125
126    def tearDown(self):
127        super(database_selection_test, self).tearDown()
128        self._frontend_common_teardown()
129        global_config.global_config.reset_config_values()
130
131
132    def assertQueries(self, database, assert_in, assert_not_in):
133        assert_in_found = False
134        for query in connections[database].queries:
135            sql = query['sql']
136            # Ignore CREATE TABLE statements as they are always executed
137            if 'INSERT INTO' in sql or 'SELECT' in sql:
138                self.assertNotIn(assert_not_in, sql)
139                if assert_in in sql:
140                    assert_in_found = True
141        self.assertTrue(assert_in_found)
142
143
144    def testDjangoModels(self):
145        # If DEBUG=False connection.query will be empty
146        settings.DEBUG = True
147
148        afe_job = django_afe_models.Job.objects.create(created_on='2014-08-12')
149        # Machine has less dependencies than tko Job so it's easier to create
150        tko_job = django_tko_models.Machine.objects.create()
151
152        django_afe_models.Job.objects.get(pk=afe_job.id)
153        django_tko_models.Machine.objects.get(pk=tko_job.pk)
154
155        self.assertQueries('global', 'tko_machines', 'afe_jobs')
156        self.assertQueries('default', 'afe_jobs', 'tko_machines')
157
158        # Avoid unnecessary debug output from other tests
159        settings.DEBUG = True
160
161
162    def testRunOnShardWithoutGlobalConfigsFails(self):
163        global_config.global_config.override_config_value(
164                'SHARD', 'shard_hostname', 'host1')
165        from autotest_lib.frontend import settings
166        # settings module was already loaded during the imports of this file,
167        # so before the configuration setting was made, therefore reload it:
168        reload(database_settings_helper)
169        self.assertRaises(global_config.ConfigError,
170                          reload, settings)
171
172
173    def testRunOnMasterWithoutGlobalConfigsWorks(self):
174        global_config.global_config.override_config_value(
175                'SHARD', 'shard_hostname', '')
176        from autotest_lib.frontend import settings
177        # settings module was already loaded during the imports of this file,
178        # so before the configuration setting was made, therefore reload it:
179        reload(database_settings_helper)
180        reload(settings)
181
182
183    def testTkoDatabase(self):
184        global_host = 'GLOBAL_HOST'
185        global_user = 'GLOBAL_USER'
186        global_db = 'GLOBAL_DB'
187        global_pw = 'GLOBAL_PW'
188        global_port = ''
189        local_host = 'LOCAL_HOST'
190
191        global_config.global_config.override_config_value(
192                'AUTOTEST_WEB', 'global_db_type', '')
193
194        global_config.global_config.override_config_value(
195                'AUTOTEST_WEB', 'global_db_host', global_host)
196        global_config.global_config.override_config_value(
197                'AUTOTEST_WEB', 'global_db_database', global_db)
198        global_config.global_config.override_config_value(
199                'AUTOTEST_WEB', 'global_db_user', global_user)
200        global_config.global_config.override_config_value(
201                'AUTOTEST_WEB', 'global_db_password', global_pw)
202        global_config.global_config.override_config_value(
203                'AUTOTEST_WEB', 'host', local_host)
204
205        class ConnectCalledException(Exception):
206            pass
207
208        # We're only interested in the parameters connect is called with here.
209        # Take the fast path out so we don't have to mock all the other calls
210        # that will later be made on the connection
211        def fake_connect(*args, **kwargs):
212            raise ConnectCalledException
213
214        tko_db.db_sql.connect = None
215        self.mox.StubOutWithMock(tko_db.db_sql, 'connect')
216        tko_db.db_sql.connect(
217                global_host, global_db, global_user, global_pw,
218                global_port).WithSideEffects(fake_connect)
219
220        self.mox.ReplayAll()
221
222        self.assertRaises(ConnectCalledException, tko_db.db_sql)
223
224
225if __name__ == "__main__":
226    unittest.main()
227