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The sql_flush() positional argument sequences is replaced by the boolean keyword-only argument reset_sequences. This ensures that the old function signature can't be used by mistake when upgrading Django. When the new argument is True, the sequences of the truncated tables will reset. Using a single boolean value, rather than a list, allows making a binary yes/no choice as to whether to reset all sequences rather than a working on a completely different set.
48 lines
1.8 KiB
Python
48 lines
1.8 KiB
Python
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 == 'mysql', 'MySQL tests.')
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class MySQLOperationsTests(SimpleTestCase):
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def test_sql_flush(self):
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# allow_cascade doesn't change statements on MySQL.
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for allow_cascade in [False, True]:
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with self.subTest(allow_cascade=allow_cascade):
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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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allow_cascade=allow_cascade,
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),
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[
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'SET FOREIGN_KEY_CHECKS = 0;',
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'DELETE FROM `backends_person`;',
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'DELETE FROM `backends_tag`;',
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'SET FOREIGN_KEY_CHECKS = 1;',
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],
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)
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def test_sql_flush_sequences(self):
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# allow_cascade doesn't change statements on MySQL.
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for allow_cascade in [False, True]:
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with self.subTest(allow_cascade=allow_cascade):
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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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reset_sequences=True,
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allow_cascade=allow_cascade,
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),
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[
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'SET FOREIGN_KEY_CHECKS = 0;',
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'TRUNCATE `backends_person`;',
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'TRUNCATE `backends_tag`;',
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'SET FOREIGN_KEY_CHECKS = 1;',
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],
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)
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