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import unittest
from django.db import connection
from django.test import TransactionTestCase
from ..models import Square
@unittest.skipUnless(connection.vendor == "oracle", "Oracle tests")
class DatabaseSequenceTests(TransactionTestCase):
available_apps = []
def test_get_sequences(self):
with connection.cursor() as cursor:
seqs = connection.introspection.get_sequences(
cursor, Square._meta.db_table, Square._meta.local_fields
)
self.assertEqual(len(seqs), 1)
self.assertIsNotNone(seqs[0]["name"])
self.assertEqual(seqs[0]["table"], Square._meta.db_table)
self.assertEqual(seqs[0]["column"], "id")
def test_get_sequences_manually_created_index(self):
with connection.cursor() as cursor:
with connection.schema_editor() as editor:
editor._drop_identity(Square._meta.db_table, "id")
seqs = connection.introspection.get_sequences(
cursor, Square._meta.db_table, Square._meta.local_fields
)
self.assertEqual(
seqs, [{"table": Square._meta.db_table, "column": "id"}]
)
# Recreate model, because adding identity is impossible.
editor.delete_model(Square)
editor.create_model(Square)
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