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
|
from django.db import models
from django.test import TestCase, override_settings
from django.urls import path
from rest_framework import serializers
from rest_framework.renderers import JSONRenderer
from rest_framework.templatetags.rest_framework import format_value
str_called = False
class Example(models.Model):
text = models.CharField(max_length=100)
def __str__(self):
global str_called
str_called = True
return 'An example'
class ExampleSerializer(serializers.HyperlinkedModelSerializer):
class Meta:
model = Example
fields = ('url', 'id', 'text')
def dummy_view(request):
pass
urlpatterns = [
path('example/<int:pk>/', dummy_view, name='example-detail'),
]
@override_settings(ROOT_URLCONF='tests.test_lazy_hyperlinks')
class TestLazyHyperlinkNames(TestCase):
def setUp(self):
self.example = Example.objects.create(text='foo')
def test_lazy_hyperlink_names(self):
global str_called
context = {'request': None}
serializer = ExampleSerializer(self.example, context=context)
JSONRenderer().render(serializer.data)
assert not str_called
hyperlink_string = format_value(serializer.data['url'])
assert hyperlink_string == '<a href=/example/1/>An example</a>'
assert str_called
|
