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44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
"""
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General tests for relational fields.
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"""
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from django.db import models
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from django.test import TestCase
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from rest_framework import serializers
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class TimestampedModel(models.Model):
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added = models.DateTimeField(auto_now_add=True)
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updated = models.DateTimeField(auto_now=True)
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class CharPrimaryKeyModel(models.Model):
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id = models.CharField(max_length=20, primary_key=True)
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class TimestampedModelSerializer(serializers.ModelSerializer):
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class Meta:
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model = TimestampedModel
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class CharPrimaryKeyModelSerializer(serializers.ModelSerializer):
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class Meta:
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model = CharPrimaryKeyModel
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class ReadOnlyFieldTests(TestCase):
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def test_auto_now_fields_read_only(self):
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"""
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auto_now and auto_now_add fields should be readonly by default.
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"""
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serializer = TimestampedModelSerializer()
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self.assertEquals(serializer.fields['added'].read_only, True)
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def test_auto_pk_fields_read_only(self):
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serializer = TimestampedModelSerializer()
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self.assertEquals(serializer.fields['id'].read_only, True)
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def test_non_auto_pk_fields_not_read_only(self):
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serializer = CharPrimaryKeyModelSerializer()
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self.assertEquals(serializer.fields['id'].read_only, False)
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