[eb20dc8] | 1 | import os |
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| 2 | from shutil import copyfile |
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| 3 | from unittest.mock import patch, Mock |
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| 4 | |
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| 5 | import pytest |
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| 6 | |
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| 7 | from ow import migrate |
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| 8 | |
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| 9 | |
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| 10 | class MigrateUnitTests(object): |
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| 11 | def test_includeme(self): |
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| 12 | config = Mock() |
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| 13 | migrate.includeme(config) |
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| 14 | config.scan.assert_called_with('ow.migrate') |
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| 15 | |
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| 16 | @patch('ow.migrate.run_migrations') |
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| 17 | def test_closer_wrapper_ok(self, run): |
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| 18 | closer = Mock() |
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| 19 | env = dict( |
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| 20 | registry=Mock(settings={}), |
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| 21 | root_factory=Mock(__module__='mytest'), |
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| 22 | request=1, |
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| 23 | root=2, |
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| 24 | closer=closer) |
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| 25 | migrate.closer_wrapper(env) |
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| 26 | run.assert_called_with(1, 2, 'mytest.migrations') |
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| 27 | assert closer.called |
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| 28 | |
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| 29 | @patch('ow.migrate.closer_wrapper') |
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| 30 | @patch('ow.migrate.prepare') |
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| 31 | def test_application_created_ok(self, prepare, wrap): |
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| 32 | event = Mock() |
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| 33 | migrate.application_created(event) |
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| 34 | assert prepare.called |
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| 35 | assert wrap.called |
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| 36 | |
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| 37 | @patch('ow.migrate.output') |
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| 38 | def test_command_line_no_conf(self, pr): |
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| 39 | ret = migrate.command_line_main(['test.py']) |
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| 40 | assert ret == 1 |
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| 41 | assert pr.called |
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| 42 | |
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| 43 | @patch('ow.migrate.closer_wrapper') |
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| 44 | @patch('ow.migrate.bootstrap') |
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| 45 | def test_command_line_no(self, bs, wrap): |
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| 46 | ret = migrate.command_line_main(['test.py', 'dev.ini']) |
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| 47 | assert ret == 0 |
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| 48 | assert bs.called |
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| 49 | assert wrap.called |
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| 50 | |
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| 51 | @patch('ow.migrate.commit') |
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| 52 | @patch('ow.migrate.get_connection') |
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| 53 | def test_reset_version(self, pget_connection, pcommit): |
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| 54 | zodb = {} |
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| 55 | pget_connection.return_value.root.return_value = zodb |
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| 56 | migrate.reset_version('myrequest', 25) |
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| 57 | assert zodb == {'database_version': 25} |
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| 58 | pcommit.asert_called_with() |
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| 59 | |
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| 60 | |
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| 61 | def cleanup(): |
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| 62 | """ |
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| 63 | Clean up pyc files generated while running the following test suite |
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| 64 | """ |
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| 65 | migrations = os.path.join(os.path.dirname(__file__), 'migrations') |
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| 66 | for f in os.listdir(migrations): |
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| 67 | if '.pyc' in f or 'fail' in f or f == '3.py': |
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| 68 | os.remove(os.path.join(migrations, f)) |
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| 69 | |
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| 70 | |
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| 71 | class mocked_get_connection(object): |
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| 72 | """ |
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| 73 | This is a class we can use to mock pyramid_zodbconn.get_connection() |
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| 74 | (see test_run_migrations) |
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| 75 | """ |
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| 76 | def __init__(self, versions=0): |
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| 77 | self.versions = versions |
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| 78 | |
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| 79 | def root(self): |
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| 80 | return {'database_version': self.versions} |
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| 81 | |
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| 82 | |
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| 83 | class MigrateTests(object): |
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| 84 | |
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| 85 | package_name = 'ow.tests.migrations' |
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| 86 | ini_path = os.path.join(os.path.dirname(__file__), 'migrations') |
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| 87 | |
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| 88 | def test_get_indexes_ok(self): |
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| 89 | indexes = migrate.get_indexes(self.package_name) |
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| 90 | assert isinstance(indexes, list) |
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| 91 | assert len(indexes) == 2 |
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| 92 | |
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| 93 | def test_get_indexes_fail(self): |
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| 94 | migrate.get_indexes(self.package_name) |
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| 95 | with pytest.raises(ImportError): |
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| 96 | migrate.get_indexes('nonexistent.module.migrations') |
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| 97 | |
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| 98 | def test_get_indexes_invalid(self): |
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| 99 | # Create a new migration file with an invalid name, so the get_indexes |
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| 100 | # will raise a ValueError exception |
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| 101 | copyfile(os.path.join(os.path.dirname(__file__), 'migrations/1.py'), |
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| 102 | os.path.join(os.path.dirname(__file__), 'migrations/fail.py')) |
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| 103 | indexes = migrate.get_indexes(self.package_name) |
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| 104 | assert isinstance(indexes, list) |
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| 105 | assert len(indexes) == 2 |
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| 106 | |
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| 107 | def test_get_max_in_max_cache(self): |
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| 108 | with patch.dict(migrate.MAX_CACHE, {self.package_name: 10}): |
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| 109 | max_version = migrate.get_max(self.package_name) |
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| 110 | assert max_version == 10 |
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| 111 | |
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| 112 | def test_get_max(self): |
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| 113 | max_version = migrate.get_max(self.package_name) |
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| 114 | assert max_version == 2 |
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| 115 | |
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| 116 | def test_version(self): |
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| 117 | # instead of a real ZODB root, we do use a simple dict here, |
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| 118 | # it should be enough for what need to test. |
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| 119 | root = {} |
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| 120 | root = migrate.set_version(root, 10) |
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| 121 | assert root['database_version'] == 10 |
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| 122 | |
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| 123 | def test_max_version(self): |
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| 124 | # instead of a real ZODB root, we do use a simple dict here, |
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| 125 | # it should be enough for what need to test. |
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| 126 | root = {} |
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| 127 | root = migrate.set_max_version(root, self.package_name) |
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| 128 | assert root['database_version'] == 2 |
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| 129 | |
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| 130 | @patch('ow.migrate.get_connection') |
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| 131 | @patch('ow.tests.migrations.1.output') |
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| 132 | @patch('ow.tests.migrations.2.output') |
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| 133 | def test_run_all_migrations(self, pr2, pr1, gc): |
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| 134 | """ |
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| 135 | Test that all migrations apply |
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| 136 | """ |
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| 137 | gc.return_value = mocked_get_connection() |
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| 138 | migrate.run_migrations(None, {}, self.package_name) |
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| 139 | cleanup() |
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| 140 | assert pr1.called |
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| 141 | assert pr2.called |
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| 142 | |
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| 143 | @patch('ow.migrate.get_connection') |
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| 144 | def test_run_no_migrations(self, gc): |
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| 145 | """ |
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| 146 | Test that there are no more migrations to apply |
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| 147 | """ |
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| 148 | gc.return_value = mocked_get_connection(versions=2) |
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| 149 | migrate.run_migrations(None, {}, self.package_name) |
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| 150 | |
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| 151 | @patch('ow.migrate.get_connection') |
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| 152 | @patch('ow.tests.migrations.1.output') |
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| 153 | @patch('ow.tests.migrations.2.output') |
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| 154 | def test_run_invalid_migrations(self, pr2, pr1, gc): |
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| 155 | """ |
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| 156 | Test what happens if a migration does not contains the proper migrate |
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| 157 | method |
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| 158 | """ |
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| 159 | invalid_migration = open(os.path.join(os.path.dirname(__file__), |
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| 160 | 'migrations/3.py'), 'w') |
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| 161 | invalid_migration.write('# This is an empty migration, just for tests') |
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| 162 | invalid_migration.write('def no_migrate_method_here():') |
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| 163 | invalid_migration.write(' print "Nothing to see here!"') |
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| 164 | invalid_migration.close() |
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| 165 | gc.return_value = mocked_get_connection(versions=0) |
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| 166 | migrate.run_migrations(None, {}, self.package_name) |
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| 167 | assert pr1.called |
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| 168 | assert pr2.called |
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