mirror of https://github.com/zulip/zulip.git
77 lines
3.0 KiB
Python
77 lines
3.0 KiB
Python
# These are tests for Zulip's database migrations. System documented at:
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# https://zulip.readthedocs.io/en/latest/subsystems/schema-migrations.html
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#
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# You can also read
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# https://www.caktusgroup.com/blog/2016/02/02/writing-unit-tests-django-migrations/
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# to get a tutorial on the framework that inspired this feature.
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from unittest.mock import patch
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from django.db.migrations.state import StateApps
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from typing_extensions import override
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from zerver.lib.test_classes import MigrationsTestCase
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# Important note: These tests are very expensive, and details of
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# Django's database transaction model mean it does not super work to
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# have a lot of migrations tested in this file at once; so we usually
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# delete the old migration tests when adding a new one, so this file
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# always has a single migration test in it as an example.
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#
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# The error you get with multiple similar tests doing migrations on
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# the same table is this (table name may vary):
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#
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# django.db.utils.OperationalError: cannot ALTER TABLE
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# "zerver_subscription" because it has pending trigger events
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class UserMessageIndex(MigrationsTestCase):
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migrate_from = "0485_alter_usermessage_flags_and_add_index"
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migrate_to = "0486_clear_old_data_for_unused_usermessage_flags"
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@override
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def setUp(self) -> None:
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with patch("builtins.print") as _:
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super().setUp()
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@override
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def setUpBeforeMigration(self, apps: StateApps) -> None:
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UserMessage = apps.get_model("zerver", "usermessage")
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um_1 = UserMessage.objects.get(id=1)
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um_1.flags.topic_wildcard_mentioned = True
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um_1.flags.stream_wildcard_mentioned = True
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um_1.flags.force_expand = True
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um_1.save()
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um_2 = UserMessage.objects.get(id=2)
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um_2.flags.group_mentioned = True
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um_2.flags.topic_wildcard_mentioned = True
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um_2.flags.mentioned = True
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um_2.flags.force_collapse = True
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um_2.save()
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um_1 = UserMessage.objects.get(id=1)
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um_2 = UserMessage.objects.get(id=2)
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self.assertTrue(um_1.flags.topic_wildcard_mentioned)
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self.assertTrue(um_1.flags.stream_wildcard_mentioned)
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self.assertTrue(um_1.flags.force_expand)
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self.assertTrue(um_2.flags.group_mentioned)
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self.assertTrue(um_2.flags.topic_wildcard_mentioned)
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self.assertTrue(um_2.flags.mentioned)
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self.assertTrue(um_2.flags.force_collapse)
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def test_clear_topic_wildcard_and_group_mentioned_flags(self) -> None:
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UserMessage = self.apps.get_model("zerver", "usermessage")
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um_1 = UserMessage.objects.get(id=1)
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um_2 = UserMessage.objects.get(id=2)
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self.assertFalse(um_1.flags.topic_wildcard_mentioned)
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self.assertTrue(um_1.flags.stream_wildcard_mentioned)
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self.assertFalse(um_1.flags.force_expand)
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self.assertFalse(um_2.flags.group_mentioned)
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self.assertFalse(um_2.flags.topic_wildcard_mentioned)
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self.assertTrue(um_2.flags.mentioned)
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self.assertFalse(um_2.flags.force_collapse)
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