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96 lines
3.0 KiB
Python
96 lines
3.0 KiB
Python
"""
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General serializer field tests.
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"""
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from __future__ import unicode_literals
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import datetime
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from django.db import models
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from django.test import TestCase
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from django.core import validators
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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 TimeFieldModel(models.Model):
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clock = models.TimeField()
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class TimeFieldModelSerializer(serializers.ModelSerializer):
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class Meta:
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model = TimeFieldModel
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class BasicFieldTests(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 read_only 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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"""
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AutoField fields should be read_only by default.
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"""
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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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"""
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PK fields other than AutoField fields should not be read_only by default.
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"""
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serializer = CharPrimaryKeyModelSerializer()
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self.assertEquals(serializer.fields['id'].read_only, False)
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def test_TimeField_from_native(self):
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f = serializers.TimeField()
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result = f.from_native('12:34:56.987654')
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self.assertEqual(datetime.time(12, 34, 56, 987654), result)
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def test_TimeField_from_native_datetime_time(self):
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"""
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Make sure from_native() accepts a datetime.time instance.
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"""
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f = serializers.TimeField()
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result = f.from_native(datetime.time(12, 34, 56))
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self.assertEqual(result, datetime.time(12, 34, 56))
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def test_TimeField_from_native_empty(self):
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f = serializers.TimeField()
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result = f.from_native('')
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self.assertEqual(result, None)
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def test_TimeField_from_native_invalid_time(self):
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f = serializers.TimeField()
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try:
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f.from_native('12:69:12')
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except validators.ValidationError as e:
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self.assertEqual(e.messages, ["'12:69:12' value has an invalid "
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"format. It must be a valid time "
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"in the HH:MM[:ss[.uuuuuu]] format."])
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else:
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self.fail("ValidationError was not properly raised")
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def test_TimeFieldModelSerializer(self):
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serializer = TimeFieldModelSerializer()
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self.assertTrue(isinstance(serializer.fields['clock'], serializers.TimeField))
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