mirror of https://github.com/zulip/zulip.git
82 lines
3.1 KiB
Python
82 lines
3.1 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 django.db.migrations.state import StateApps
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from zerver.lib.test_classes import MigrationsTestCase
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from zerver.lib.test_helpers import use_db_models
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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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#
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# As a result, we generally mark these tests as skipped once they have
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# been tested for a migration being merged.
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class RealmPlaygroundURLPrefix(MigrationsTestCase):
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migrate_from = "0462_realmplayground_url_template"
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migrate_to = "0463_backfill_realmplayground_url_template"
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@use_db_models
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def setUpBeforeMigration(self, apps: StateApps) -> None:
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iago = self.example_user("iago")
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RealmPlayground = apps.get_model("zerver", "RealmPlayground")
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urls = [
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"http://example.com/",
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"https://example.com/{",
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"https://example.com/{}",
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"https://example.com/{val}",
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"https://example.com/{code}",
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]
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self.realm_playground_ids = []
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for index, url in enumerate(urls):
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self.realm_playground_ids.append(
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RealmPlayground.objects.create(
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realm=iago.realm,
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name=f"Playground {index}",
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pygments_language="Python",
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url_prefix=url,
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url_template=None,
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).id
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)
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self.realm_playground_ids.append(
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RealmPlayground.objects.create(
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realm=iago.realm,
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name="Existing Playground",
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pygments_language="Python",
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url_prefix="https://example.com",
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url_template="https://example.com/{code}",
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).id
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)
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def test_converted_url_templates(self) -> None:
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RealmPlayground = self.apps.get_model("zerver", "RealmPlayground")
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expected_urls = [
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"http://example.com/{code}",
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"https://example.com/%7B{code}",
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"https://example.com/%7B%7D{code}",
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"https://example.com/%7Bval%7D{code}",
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"https://example.com/%7Bcode%7D{code}",
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"https://example.com/{code}",
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]
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for realm_playground_id, expected_url in zip(self.realm_playground_ids, expected_urls):
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realm_playground = RealmPlayground.objects.get(id=realm_playground_id)
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self.assertEqual(realm_playground.url_template, expected_url)
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