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64 lines
2.4 KiB
Python
64 lines
2.4 KiB
Python
from django.core.management import call_command
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from django.db import connection
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from django.test import TransactionTestCase
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class MigrateTests(TransactionTestCase):
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"""
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Tests running the migrate command in Geodjango.
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"""
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available_apps = ["gis_tests.gis_migrations"]
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def get_table_description(self, table):
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with connection.cursor() as cursor:
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return connection.introspection.get_table_description(cursor, table)
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def assertTableExists(self, table):
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with connection.cursor() as cursor:
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self.assertIn(table, connection.introspection.table_names(cursor))
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def assertTableNotExists(self, table):
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with connection.cursor() as cursor:
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self.assertNotIn(table, connection.introspection.table_names(cursor))
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def test_migrate_gis(self):
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"""
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Tests basic usage of the migrate command when a model uses Geodjango
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fields (#22001).
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It's also used to showcase an error in migrations where spatialite is
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enabled and geo tables are renamed resulting in unique constraint
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failure on geometry_columns (#23030).
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"""
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# The right tables exist
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self.assertTableExists("gis_migrations_neighborhood")
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self.assertTableExists("gis_migrations_household")
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self.assertTableExists("gis_migrations_family")
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if connection.features.supports_raster:
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self.assertTableExists("gis_migrations_heatmap")
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# Unmigrate models.
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call_command("migrate", "gis_migrations", "0001", verbosity=0)
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# All tables are gone
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self.assertTableNotExists("gis_migrations_neighborhood")
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self.assertTableNotExists("gis_migrations_household")
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self.assertTableNotExists("gis_migrations_family")
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if connection.features.supports_raster:
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self.assertTableNotExists("gis_migrations_heatmap")
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# Even geometry columns metadata
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try:
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GeoColumn = connection.ops.geometry_columns()
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except NotImplementedError:
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# Not all GIS backends have geometry columns model
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pass
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else:
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qs = GeoColumn.objects.filter(
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**{
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"%s__in"
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% GeoColumn.table_name_col(): ["gis_neighborhood", "gis_household"]
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}
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)
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self.assertEqual(qs.count(), 0)
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# Revert the "unmigration"
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call_command("migrate", "gis_migrations", verbosity=0)
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