85 lines
2.7 KiB
Python
85 lines
2.7 KiB
Python
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import unittest
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from django.core.management.color import no_style
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from django.db import connection
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from django.test import SimpleTestCase
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from ..models import Person, Tag
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@unittest.skipUnless(connection.vendor == 'postgresql', 'PostgreSQL tests.')
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class PostgreSQLOperationsTests(SimpleTestCase):
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def test_sql_flush(self):
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self.assertEqual(
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connection.ops.sql_flush(
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no_style(),
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[Person._meta.db_table, Tag._meta.db_table],
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[],
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),
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['TRUNCATE "backends_person", "backends_tag";'],
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)
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def test_sql_flush_allow_cascade(self):
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self.assertEqual(
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connection.ops.sql_flush(
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no_style(),
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[Person._meta.db_table, Tag._meta.db_table],
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[],
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allow_cascade=True,
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),
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['TRUNCATE "backends_person", "backends_tag" CASCADE;'],
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)
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def test_sql_flush_sequences(self):
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sequence_reset_sql = (
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"SELECT setval(pg_get_serial_sequence('%s','id'), 1, false);"
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)
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self.assertEqual(
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connection.ops.sql_flush(
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no_style(),
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[Person._meta.db_table, Tag._meta.db_table],
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[
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{
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'table': Person._meta.db_table,
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'column': Person._meta.pk.db_column,
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},
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{
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'table': Tag._meta.db_table,
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'column': Tag._meta.pk.db_column,
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},
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],
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),
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[
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'TRUNCATE "backends_person", "backends_tag";',
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sequence_reset_sql % '"backends_person"',
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sequence_reset_sql % '"backends_tag"',
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],
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)
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def test_sql_flush_sequences_allow_cascade(self):
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sequence_reset_sql = (
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"SELECT setval(pg_get_serial_sequence('%s','id'), 1, false);"
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)
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self.assertEqual(
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connection.ops.sql_flush(
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no_style(),
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[Person._meta.db_table, Tag._meta.db_table],
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[
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{
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'table': Person._meta.db_table,
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'column': Person._meta.pk.db_column,
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},
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{
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'table': Tag._meta.db_table,
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'column': Tag._meta.pk.db_column,
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},
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],
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allow_cascade=True,
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),
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[
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'TRUNCATE "backends_person", "backends_tag" CASCADE;',
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sequence_reset_sql % '"backends_person"',
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sequence_reset_sql % '"backends_tag"',
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],
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)
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