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Code Issues 32 Releases Wiki Activity

Fixed #27378 -- Added support for serialization of uuid.UUID in migrations.

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Thanks Yuriy Korobko for the initial patch and Tobias McNulty for review.
This commit is contained in:
Maxime Lorant
2016-11-06 13:53:00 +01:00
committed by Tim Graham
parent 7301770254
commit cb3fb34b86
4 changed files with 40 additions and 1 deletions
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26
tests/migrations/test_writer.py
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@@ -10,6 +10,7 @@ import re
import sys
import tokenize
import unittest
import uuid
import custom_migration_operations.more_operations
import custom_migration_operations.operations
@@ -321,6 +322,31 @@ class WriterTests(SimpleTestCase):
"default=migrations.test_writer.IntEnum(1))"
)
def test_serialize_uuid(self):
self.assertSerializedEqual(uuid.uuid1())
self.assertSerializedEqual(uuid.uuid4())
uuid_a = uuid.UUID('5c859437-d061-4847-b3f7-e6b78852f8c8')
uuid_b = uuid.UUID('c7853ec1-2ea3-4359-b02d-b54e8f1bcee2')
self.assertSerializedResultEqual(
uuid_a,
("uuid.UUID('5c859437-d061-4847-b3f7-e6b78852f8c8')", {'import uuid'})
)
self.assertSerializedResultEqual(
uuid_b,
("uuid.UUID('c7853ec1-2ea3-4359-b02d-b54e8f1bcee2')", {'import uuid'})
)
field = models.UUIDField(choices=((uuid_a, 'UUID A'), (uuid_b, 'UUID B')), default=uuid_a)
string = MigrationWriter.serialize(field)[0]
self.assertEqual(
string,
"models.UUIDField(choices=["
"(uuid.UUID('5c859437-d061-4847-b3f7-e6b78852f8c8'), 'UUID A'), "
"(uuid.UUID('c7853ec1-2ea3-4359-b02d-b54e8f1bcee2'), 'UUID B')], "
"default=uuid.UUID('5c859437-d061-4847-b3f7-e6b78852f8c8'))"
)
def test_serialize_functions(self):
with self.assertRaisesMessage(ValueError, 'Cannot serialize function: lambda'):
self.assertSerializedEqual(lambda x: 42)