Moved contrib.gis tests out of contrib.

tests/gis_tests/gis_migrations/test_commands.py

@@ -0,0 +1,61 @@
+from __future__ import unicode_literals
+
+from django.core.management import call_command
+from django.db import connection
+from django.test import TransactionTestCase, skipUnlessDBFeature
+
+
+@skipUnlessDBFeature("gis_enabled")
+class MigrateTests(TransactionTestCase):
+    """
+    Tests running the migrate command in Geodjango.
+    """
+    available_apps = ["gis_tests.gis_migrations"]
+
+    def get_table_description(self, table):
+        with connection.cursor() as cursor:
+            return connection.introspection.get_table_description(cursor, table)
+
+    def assertTableExists(self, table):
+        with connection.cursor() as cursor:
+            self.assertIn(table, connection.introspection.table_names(cursor))
+
+    def assertTableNotExists(self, table):
+        with connection.cursor() as cursor:
+            self.assertNotIn(table, connection.introspection.table_names(cursor))
+
+    def test_migrate_gis(self):
+        """
+        Tests basic usage of the migrate command when a model uses Geodjango
+        fields. Regression test for ticket #22001:
+        https://code.djangoproject.com/ticket/22001
+
+        It's also used to showcase an error in migrations where spatialite is
+        enabled and geo tables are renamed resulting in unique constraint
+        failure on geometry_columns. Regression for ticket #23030:
+        https://code.djangoproject.com/ticket/23030
+        """
+        # Make sure the right tables exist
+        self.assertTableExists("gis_migrations_neighborhood")
+        self.assertTableExists("gis_migrations_household")
+        self.assertTableExists("gis_migrations_family")
+        # Unmigrate everything
+        call_command("migrate", "gis_migrations", "zero", verbosity=0)
+        # Make sure it's all gone
+        self.assertTableNotExists("gis_migrations_neighborhood")
+        self.assertTableNotExists("gis_migrations_household")
+        self.assertTableNotExists("gis_migrations_family")
+        # Even geometry columns metadata
+        try:
+            GeoColumn = connection.ops.geometry_columns()
+        except NotImplementedError:
+            # Not all GIS backends have geometry columns model
+            pass
+        else:
+            self.assertEqual(
+                GeoColumn.objects.filter(
+                    **{'%s__in' % GeoColumn.table_name_col(): ["gis_neighborhood", "gis_household"]}
+                    ).count(),
+                0)
+        # Revert the "unmigration"
+        call_command("migrate", "gis_migrations", verbosity=0)