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import unittest
from django.core.management.color import no_style
from django.db import connection
from django.test import SimpleTestCase
from ..models import Person, Tag
@unittest.skipUnless(connection.vendor == "postgresql", "PostgreSQL tests.")
class PostgreSQLOperationsTests(SimpleTestCase):
def test_sql_flush(self):
self.assertEqual(
connection.ops.sql_flush(
no_style(),
[Person._meta.db_table, Tag._meta.db_table],
),
['TRUNCATE "backends_person", "backends_tag";'],
)
def test_sql_flush_allow_cascade(self):
self.assertEqual(
connection.ops.sql_flush(
no_style(),
[Person._meta.db_table, Tag._meta.db_table],
allow_cascade=True,
),
['TRUNCATE "backends_person", "backends_tag" CASCADE;'],
)
def test_sql_flush_sequences(self):
self.assertEqual(
connection.ops.sql_flush(
no_style(),
[Person._meta.db_table, Tag._meta.db_table],
reset_sequences=True,
),
['TRUNCATE "backends_person", "backends_tag" RESTART IDENTITY;'],
)
def test_sql_flush_sequences_allow_cascade(self):
self.assertEqual(
connection.ops.sql_flush(
no_style(),
[Person._meta.db_table, Tag._meta.db_table],
reset_sequences=True,
allow_cascade=True,
),
['TRUNCATE "backends_person", "backends_tag" RESTART IDENTITY CASCADE;'],
)
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