1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
import json
import uuid
from django.core import exceptions, serializers
from django.db import models
from django.test import TestCase
from .models import UUIDModel, NullableUUIDModel, PrimaryKeyUUIDModel
class TestSaveLoad(TestCase):
def test_uuid_instance(self):
instance = UUIDModel.objects.create(field=uuid.uuid4())
loaded = UUIDModel.objects.get()
self.assertEqual(loaded.field, instance.field)
def test_str_instance_no_hyphens(self):
UUIDModel.objects.create(field='550e8400e29b41d4a716446655440000')
loaded = UUIDModel.objects.get()
self.assertEqual(loaded.field, uuid.UUID('550e8400e29b41d4a716446655440000'))
def test_str_instance_hyphens(self):
UUIDModel.objects.create(field='550e8400-e29b-41d4-a716-446655440000')
loaded = UUIDModel.objects.get()
self.assertEqual(loaded.field, uuid.UUID('550e8400e29b41d4a716446655440000'))
def test_str_instance_bad_hyphens(self):
UUIDModel.objects.create(field='550e84-00-e29b-41d4-a716-4-466-55440000')
loaded = UUIDModel.objects.get()
self.assertEqual(loaded.field, uuid.UUID('550e8400e29b41d4a716446655440000'))
def test_null_handling(self):
NullableUUIDModel.objects.create(field=None)
loaded = NullableUUIDModel.objects.get()
self.assertEqual(loaded.field, None)
class TestQuerying(TestCase):
def setUp(self):
self.objs = [
NullableUUIDModel.objects.create(field=uuid.uuid4()),
NullableUUIDModel.objects.create(field='550e8400e29b41d4a716446655440000'),
NullableUUIDModel.objects.create(field=None),
]
def test_exact(self):
self.assertSequenceEqual(
NullableUUIDModel.objects.filter(field__exact='550e8400e29b41d4a716446655440000'),
[self.objs[1]]
)
def test_isnull(self):
self.assertSequenceEqual(
NullableUUIDModel.objects.filter(field__isnull=True),
[self.objs[2]]
)
class TestSerialization(TestCase):
test_data = '[{"fields": {"field": "550e8400-e29b-41d4-a716-446655440000"}, "model": "model_fields.uuidmodel", "pk": null}]'
def test_dumping(self):
instance = UUIDModel(field=uuid.UUID('550e8400e29b41d4a716446655440000'))
data = serializers.serialize('json', [instance])
self.assertEqual(json.loads(data), json.loads(self.test_data))
def test_loading(self):
instance = list(serializers.deserialize('json', self.test_data))[0].object
self.assertEqual(instance.field, uuid.UUID('550e8400-e29b-41d4-a716-446655440000'))
class TestValidation(TestCase):
def test_invalid_uuid(self):
field = models.UUIDField()
with self.assertRaises(exceptions.ValidationError) as cm:
field.clean('550e8400', None)
self.assertEqual(cm.exception.code, 'invalid')
self.assertEqual(cm.exception.message % cm.exception.params, "'550e8400' is not a valid UUID.")
def test_uuid_instance_ok(self):
field = models.UUIDField()
field.clean(uuid.uuid4(), None) # no error
class TestAsPrimaryKey(TestCase):
def test_creation(self):
PrimaryKeyUUIDModel.objects.create()
loaded = PrimaryKeyUUIDModel.objects.get()
self.assertIsInstance(loaded.pk, uuid.UUID)
|
