If all apps have migrations, migration signals should be sent.
(self)
| 101 | MIGRATION_MODULES={"migrate_signals": "migrate_signals.custom_migrations"} |
| 102 | ) |
| 103 | def test_migrations_only(self): |
| 104 | """ |
| 105 | If all apps have migrations, migration signals should be sent. |
| 106 | """ |
| 107 | pre_migrate_receiver = Receiver(signals.pre_migrate) |
| 108 | post_migrate_receiver = Receiver(signals.post_migrate) |
| 109 | management.call_command( |
| 110 | "migrate", |
| 111 | database=MIGRATE_DATABASE, |
| 112 | verbosity=MIGRATE_VERBOSITY, |
| 113 | interactive=MIGRATE_INTERACTIVE, |
| 114 | ) |
| 115 | for receiver in [pre_migrate_receiver, post_migrate_receiver]: |
| 116 | args = receiver.call_args |
| 117 | self.assertEqual(receiver.call_counter, 1) |
| 118 | self.assertEqual(set(args), set(SIGNAL_ARGS)) |
| 119 | self.assertEqual(args["app_config"], APP_CONFIG) |
| 120 | self.assertEqual(args["verbosity"], MIGRATE_VERBOSITY) |
| 121 | self.assertEqual(args["interactive"], MIGRATE_INTERACTIVE) |
| 122 | self.assertEqual(args["using"], "default") |
| 123 | self.assertIsInstance(args["plan"][0][0], migrations.Migration) |
| 124 | # The migration isn't applied backward. |
| 125 | self.assertFalse(args["plan"][0][1]) |
| 126 | self.assertIsInstance(args["apps"], migrations.state.StateApps) |
| 127 | self.assertEqual(pre_migrate_receiver.call_args["apps"].get_models(), []) |
| 128 | self.assertEqual( |
| 129 | [ |
| 130 | model._meta.label |
| 131 | for model in post_migrate_receiver.call_args["apps"].get_models() |
| 132 | ], |
| 133 | ["migrate_signals.Signal"], |
| 134 | ) |
| 135 | # Migrating with an empty plan. |
| 136 | pre_migrate_receiver = Receiver(signals.pre_migrate) |
| 137 | post_migrate_receiver = Receiver(signals.post_migrate) |
| 138 | management.call_command( |
| 139 | "migrate", |
| 140 | database=MIGRATE_DATABASE, |
| 141 | verbosity=MIGRATE_VERBOSITY, |
| 142 | interactive=MIGRATE_INTERACTIVE, |
| 143 | ) |
| 144 | self.assertEqual( |
| 145 | [ |
| 146 | model._meta.label |
| 147 | for model in pre_migrate_receiver.call_args["apps"].get_models() |
| 148 | ], |
| 149 | ["migrate_signals.Signal"], |
| 150 | ) |
| 151 | self.assertEqual( |
| 152 | [ |
| 153 | model._meta.label |
| 154 | for model in post_migrate_receiver.call_args["apps"].get_models() |
| 155 | ], |
| 156 | ["migrate_signals.Signal"], |
| 157 | ) |
| 158 | # Migrating with an empty plan and --check doesn't emit signals. |
| 159 | pre_migrate_receiver = Receiver(signals.pre_migrate) |
| 160 | post_migrate_receiver = Receiver(signals.post_migrate) |
nothing calls this directly
no test coverage detected