mirror of
https://github.com/encode/django-rest-framework.git
synced 2024-11-11 12:17:24 +03:00
1910 lines
66 KiB
Python
1910 lines
66 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from django.db import models
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from django.db.models.fields import BLANK_CHOICE_DASH
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from django.test import TestCase
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from django.utils.datastructures import MultiValueDict
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from django.utils.translation import ugettext_lazy as _
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from rest_framework import serializers, fields, relations
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from rest_framework.tests.models import (HasPositiveIntegerAsChoice, Album, ActionItem, Anchor, BasicModel,
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BlankFieldModel, BlogPost, BlogPostComment, Book, CallableDefaultValueModel, DefaultValueModel,
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ManyToManyModel, Person, ReadOnlyManyToManyModel, Photo, RESTFrameworkModel)
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from rest_framework.tests.models import BasicModelSerializer
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import datetime
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import pickle
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class SubComment(object):
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def __init__(self, sub_comment):
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self.sub_comment = sub_comment
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class Comment(object):
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def __init__(self, email, content, created):
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self.email = email
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self.content = content
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self.created = created or datetime.datetime.now()
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def __eq__(self, other):
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return all([getattr(self, attr) == getattr(other, attr)
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for attr in ('email', 'content', 'created')])
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def get_sub_comment(self):
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sub_comment = SubComment('And Merry Christmas!')
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return sub_comment
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class CommentSerializer(serializers.Serializer):
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email = serializers.EmailField()
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content = serializers.CharField(max_length=1000)
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created = serializers.DateTimeField()
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sub_comment = serializers.Field(source='get_sub_comment.sub_comment')
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def restore_object(self, data, instance=None):
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if instance is None:
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return Comment(**data)
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for key, val in data.items():
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setattr(instance, key, val)
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return instance
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class NamesSerializer(serializers.Serializer):
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first = serializers.CharField()
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last = serializers.CharField(required=False, default='')
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initials = serializers.CharField(required=False, default='')
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class PersonIdentifierSerializer(serializers.Serializer):
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ssn = serializers.CharField()
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names = NamesSerializer(source='names', required=False)
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class BookSerializer(serializers.ModelSerializer):
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isbn = serializers.RegexField(regex=r'^[0-9]{13}$', error_messages={'invalid': 'isbn has to be exact 13 numbers'})
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class Meta:
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model = Book
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class ActionItemSerializer(serializers.ModelSerializer):
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class Meta:
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model = ActionItem
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class ActionItemSerializerOptionalFields(serializers.ModelSerializer):
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"""
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Intended to test that fields with `required=False` are excluded from validation.
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"""
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title = serializers.CharField(required=False)
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class Meta:
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model = ActionItem
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fields = ('title',)
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class ActionItemSerializerCustomRestore(serializers.ModelSerializer):
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class Meta:
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model = ActionItem
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def restore_object(self, data, instance=None):
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if instance is None:
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return ActionItem(**data)
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for key, val in data.items():
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setattr(instance, key, val)
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return instance
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class PersonSerializer(serializers.ModelSerializer):
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info = serializers.Field(source='info')
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class Meta:
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model = Person
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fields = ('name', 'age', 'info')
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read_only_fields = ('age',)
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class NestedSerializer(serializers.Serializer):
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info = serializers.Field()
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class ModelSerializerWithNestedSerializer(serializers.ModelSerializer):
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nested = NestedSerializer(source='*')
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class Meta:
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model = Person
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class NestedSerializerWithRenamedField(serializers.Serializer):
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renamed_info = serializers.Field(source='info')
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class ModelSerializerWithNestedSerializerWithRenamedField(serializers.ModelSerializer):
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nested = NestedSerializerWithRenamedField(source='*')
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class Meta:
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model = Person
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class PersonSerializerInvalidReadOnly(serializers.ModelSerializer):
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"""
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Testing for #652.
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"""
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info = serializers.Field(source='info')
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class Meta:
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model = Person
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fields = ('name', 'age', 'info')
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read_only_fields = ('age', 'info')
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class AlbumsSerializer(serializers.ModelSerializer):
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class Meta:
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model = Album
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fields = ['title'] # lists are also valid options
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class PositiveIntegerAsChoiceSerializer(serializers.ModelSerializer):
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class Meta:
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model = HasPositiveIntegerAsChoice
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fields = ['some_integer']
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class BasicTests(TestCase):
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def setUp(self):
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self.comment = Comment(
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'tom@example.com',
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'Happy new year!',
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datetime.datetime(2012, 1, 1)
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)
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self.actionitem = ActionItem(title='Some to do item',)
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self.data = {
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'email': 'tom@example.com',
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'content': 'Happy new year!',
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'created': datetime.datetime(2012, 1, 1),
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'sub_comment': 'This wont change'
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}
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self.expected = {
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'email': 'tom@example.com',
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'content': 'Happy new year!',
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'created': datetime.datetime(2012, 1, 1),
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'sub_comment': 'And Merry Christmas!'
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}
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self.person_data = {'name': 'dwight', 'age': 35}
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self.person = Person(**self.person_data)
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self.person.save()
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def test_empty(self):
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serializer = CommentSerializer()
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expected = {
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'email': '',
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'content': '',
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'created': None
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}
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self.assertEqual(serializer.data, expected)
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def test_retrieve(self):
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serializer = CommentSerializer(self.comment)
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self.assertEqual(serializer.data, self.expected)
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def test_create(self):
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serializer = CommentSerializer(data=self.data)
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expected = self.comment
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self.assertEqual(serializer.is_valid(), True)
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self.assertEqual(serializer.object, expected)
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self.assertFalse(serializer.object is expected)
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self.assertEqual(serializer.data['sub_comment'], 'And Merry Christmas!')
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def test_create_nested(self):
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"""Test a serializer with nested data."""
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names = {'first': 'John', 'last': 'Doe', 'initials': 'jd'}
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data = {'ssn': '1234567890', 'names': names}
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serializer = PersonIdentifierSerializer(data=data)
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self.assertEqual(serializer.is_valid(), True)
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self.assertEqual(serializer.object, data)
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self.assertFalse(serializer.object is data)
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self.assertEqual(serializer.data['names'], names)
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def test_create_partial_nested(self):
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"""Test a serializer with nested data which has missing fields."""
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names = {'first': 'John'}
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data = {'ssn': '1234567890', 'names': names}
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serializer = PersonIdentifierSerializer(data=data)
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expected_names = {'first': 'John', 'last': '', 'initials': ''}
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data['names'] = expected_names
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self.assertEqual(serializer.is_valid(), True)
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self.assertEqual(serializer.object, data)
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self.assertFalse(serializer.object is expected_names)
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self.assertEqual(serializer.data['names'], expected_names)
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def test_null_nested(self):
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"""Test a serializer with a nonexistent nested field"""
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data = {'ssn': '1234567890'}
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serializer = PersonIdentifierSerializer(data=data)
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self.assertEqual(serializer.is_valid(), True)
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self.assertEqual(serializer.object, data)
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self.assertFalse(serializer.object is data)
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expected = {'ssn': '1234567890', 'names': None}
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self.assertEqual(serializer.data, expected)
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def test_update(self):
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serializer = CommentSerializer(self.comment, data=self.data)
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expected = self.comment
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self.assertEqual(serializer.is_valid(), True)
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self.assertEqual(serializer.object, expected)
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self.assertTrue(serializer.object is expected)
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self.assertEqual(serializer.data['sub_comment'], 'And Merry Christmas!')
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def test_partial_update(self):
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msg = 'Merry New Year!'
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partial_data = {'content': msg}
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serializer = CommentSerializer(self.comment, data=partial_data)
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self.assertEqual(serializer.is_valid(), False)
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serializer = CommentSerializer(self.comment, data=partial_data, partial=True)
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expected = self.comment
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self.assertEqual(serializer.is_valid(), True)
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self.assertEqual(serializer.object, expected)
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self.assertTrue(serializer.object is expected)
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self.assertEqual(serializer.data['content'], msg)
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def test_model_fields_as_expected(self):
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"""
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Make sure that the fields returned are the same as defined
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in the Meta data
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"""
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serializer = PersonSerializer(self.person)
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self.assertEqual(set(serializer.data.keys()),
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set(['name', 'age', 'info']))
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def test_field_with_dictionary(self):
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"""
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Make sure that dictionaries from fields are left intact
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"""
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serializer = PersonSerializer(self.person)
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expected = self.person_data
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self.assertEqual(serializer.data['info'], expected)
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def test_read_only_fields(self):
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"""
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Attempting to update fields set as read_only should have no effect.
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"""
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serializer = PersonSerializer(self.person, data={'name': 'dwight', 'age': 99})
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self.assertEqual(serializer.is_valid(), True)
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instance = serializer.save()
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self.assertEqual(serializer.errors, {})
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# Assert age is unchanged (35)
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self.assertEqual(instance.age, self.person_data['age'])
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def test_invalid_read_only_fields(self):
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"""
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Regression test for #652.
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"""
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self.assertRaises(AssertionError, PersonSerializerInvalidReadOnly, [])
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def test_serializer_data_is_cleared_on_save(self):
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"""
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Check _data attribute is cleared on `save()`
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Regression test for #1116
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— id field is not populated if `data` is accessed prior to `save()`
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"""
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serializer = ActionItemSerializer(self.actionitem)
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self.assertIsNone(serializer.data.get('id',None), 'New instance. `id` should not be set.')
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serializer.save()
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self.assertIsNotNone(serializer.data.get('id',None), 'Model is saved. `id` should be set.')
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def test_fields_marked_as_not_required_are_excluded_from_validation(self):
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"""
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Check that fields with `required=False` are included in list of exclusions.
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"""
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serializer = ActionItemSerializerOptionalFields(self.actionitem)
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exclusions = serializer.get_validation_exclusions()
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self.assertTrue('title' in exclusions, '`title` field was marked `required=False` and should be excluded')
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class DictStyleSerializer(serializers.Serializer):
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"""
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Note that we don't have any `restore_object` method, so the default
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case of simply returning a dict will apply.
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"""
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email = serializers.EmailField()
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class DictStyleSerializerTests(TestCase):
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def test_dict_style_deserialize(self):
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"""
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Ensure serializers can deserialize into a dict.
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"""
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data = {'email': 'foo@example.com'}
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serializer = DictStyleSerializer(data=data)
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self.assertTrue(serializer.is_valid())
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self.assertEqual(serializer.data, data)
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def test_dict_style_serialize(self):
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"""
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Ensure serializers can serialize dict objects.
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"""
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data = {'email': 'foo@example.com'}
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serializer = DictStyleSerializer(data)
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self.assertEqual(serializer.data, data)
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class ValidationTests(TestCase):
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def setUp(self):
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self.comment = Comment(
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'tom@example.com',
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'Happy new year!',
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datetime.datetime(2012, 1, 1)
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)
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self.data = {
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'email': 'tom@example.com',
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'content': 'x' * 1001,
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'created': datetime.datetime(2012, 1, 1)
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}
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self.actionitem = ActionItem(title='Some to do item',)
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def test_create(self):
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serializer = CommentSerializer(data=self.data)
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self.assertEqual(serializer.is_valid(), False)
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self.assertEqual(serializer.errors, {'content': ['Ensure this value has at most 1000 characters (it has 1001).']})
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def test_update(self):
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serializer = CommentSerializer(self.comment, data=self.data)
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self.assertEqual(serializer.is_valid(), False)
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self.assertEqual(serializer.errors, {'content': ['Ensure this value has at most 1000 characters (it has 1001).']})
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def test_update_missing_field(self):
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data = {
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'content': 'xxx',
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'created': datetime.datetime(2012, 1, 1)
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}
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serializer = CommentSerializer(self.comment, data=data)
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self.assertEqual(serializer.is_valid(), False)
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self.assertEqual(serializer.errors, {'email': ['This field is required.']})
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def test_missing_bool_with_default(self):
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"""Make sure that a boolean value with a 'False' value is not
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mistaken for not having a default."""
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data = {
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'title': 'Some action item',
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#No 'done' value.
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}
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serializer = ActionItemSerializer(self.actionitem, data=data)
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self.assertEqual(serializer.is_valid(), True)
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self.assertEqual(serializer.errors, {})
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def test_cross_field_validation(self):
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class CommentSerializerWithCrossFieldValidator(CommentSerializer):
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def validate(self, attrs):
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if attrs["email"] not in attrs["content"]:
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raise serializers.ValidationError("Email address not in content")
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return attrs
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data = {
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'email': 'tom@example.com',
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'content': 'A comment from tom@example.com',
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'created': datetime.datetime(2012, 1, 1)
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}
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serializer = CommentSerializerWithCrossFieldValidator(data=data)
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self.assertTrue(serializer.is_valid())
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data['content'] = 'A comment from foo@bar.com'
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serializer = CommentSerializerWithCrossFieldValidator(data=data)
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self.assertFalse(serializer.is_valid())
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self.assertEqual(serializer.errors, {'non_field_errors': ['Email address not in content']})
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def test_null_is_true_fields(self):
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"""
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Omitting a value for null-field should validate.
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"""
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serializer = PersonSerializer(data={'name': 'marko'})
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self.assertEqual(serializer.is_valid(), True)
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self.assertEqual(serializer.errors, {})
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def test_modelserializer_max_length_exceeded(self):
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data = {
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'title': 'x' * 201,
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}
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serializer = ActionItemSerializer(data=data)
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self.assertEqual(serializer.is_valid(), False)
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self.assertEqual(serializer.errors, {'title': ['Ensure this value has at most 200 characters (it has 201).']})
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def test_modelserializer_max_length_exceeded_with_custom_restore(self):
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"""
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When overriding ModelSerializer.restore_object, validation tests should still apply.
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Regression test for #623.
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https://github.com/tomchristie/django-rest-framework/pull/623
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"""
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data = {
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'title': 'x' * 201,
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}
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serializer = ActionItemSerializerCustomRestore(data=data)
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self.assertEqual(serializer.is_valid(), False)
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self.assertEqual(serializer.errors, {'title': ['Ensure this value has at most 200 characters (it has 201).']})
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def test_default_modelfield_max_length_exceeded(self):
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data = {
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'title': 'Testing "info" field...',
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'info': 'x' * 13,
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}
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serializer = ActionItemSerializer(data=data)
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self.assertEqual(serializer.is_valid(), False)
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self.assertEqual(serializer.errors, {'info': ['Ensure this value has at most 12 characters (it has 13).']})
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def test_datetime_validation_failure(self):
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"""
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Test DateTimeField validation errors on non-str values.
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Regression test for #669.
|
||
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https://github.com/tomchristie/django-rest-framework/issues/669
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"""
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data = self.data
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data['created'] = 0
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serializer = CommentSerializer(data=data)
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self.assertEqual(serializer.is_valid(), False)
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self.assertIn('created', serializer.errors)
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def test_missing_model_field_exception_msg(self):
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"""
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Assert that a meaningful exception message is outputted when the model
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field is missing (e.g. when mistyping ``model``).
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||
"""
|
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class BrokenModelSerializer(serializers.ModelSerializer):
|
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class Meta:
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fields = ['some_field']
|
||
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||
try:
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BrokenModelSerializer()
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except AssertionError as e:
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self.assertEqual(e.args[0], "Serializer class 'BrokenModelSerializer' is missing 'model' Meta option")
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except:
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self.fail('Wrong exception type thrown.')
|
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|
||
def test_writable_star_source_on_nested_serializer(self):
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"""
|
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Assert that a nested serializer instantiated with source='*' correctly
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expands the data into the outer serializer.
|
||
"""
|
||
serializer = ModelSerializerWithNestedSerializer(data={
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'name': 'marko',
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'nested': {'info': 'hi'}},
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)
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||
self.assertEqual(serializer.is_valid(), True)
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def test_writable_star_source_with_inner_source_fields(self):
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||
"""
|
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Tests that a serializer with source="*" correctly expands the
|
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it's fields into the outer serializer even if they have their
|
||
own 'source' parameters.
|
||
"""
|
||
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serializer = ModelSerializerWithNestedSerializerWithRenamedField(data={
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'name': 'marko',
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'nested': {'renamed_info': 'hi'}},
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)
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self.assertEqual(serializer.is_valid(), True)
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||
self.assertEqual(serializer.errors, {})
|
||
|
||
|
||
class CustomValidationTests(TestCase):
|
||
class CommentSerializerWithFieldValidator(CommentSerializer):
|
||
|
||
def validate_email(self, attrs, source):
|
||
attrs[source]
|
||
return attrs
|
||
|
||
def validate_content(self, attrs, source):
|
||
value = attrs[source]
|
||
if "test" not in value:
|
||
raise serializers.ValidationError("Test not in value")
|
||
return attrs
|
||
|
||
def test_field_validation(self):
|
||
data = {
|
||
'email': 'tom@example.com',
|
||
'content': 'A test comment',
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||
'created': datetime.datetime(2012, 1, 1)
|
||
}
|
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|
||
serializer = self.CommentSerializerWithFieldValidator(data=data)
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||
self.assertTrue(serializer.is_valid())
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data['content'] = 'This should not validate'
|
||
|
||
serializer = self.CommentSerializerWithFieldValidator(data=data)
|
||
self.assertFalse(serializer.is_valid())
|
||
self.assertEqual(serializer.errors, {'content': ['Test not in value']})
|
||
|
||
def test_missing_data(self):
|
||
"""
|
||
Make sure that validate_content isn't called if the field is missing
|
||
"""
|
||
incomplete_data = {
|
||
'email': 'tom@example.com',
|
||
'created': datetime.datetime(2012, 1, 1)
|
||
}
|
||
serializer = self.CommentSerializerWithFieldValidator(data=incomplete_data)
|
||
self.assertFalse(serializer.is_valid())
|
||
self.assertEqual(serializer.errors, {'content': ['This field is required.']})
|
||
|
||
def test_wrong_data(self):
|
||
"""
|
||
Make sure that validate_content isn't called if the field input is wrong
|
||
"""
|
||
wrong_data = {
|
||
'email': 'not an email',
|
||
'content': 'A test comment',
|
||
'created': datetime.datetime(2012, 1, 1)
|
||
}
|
||
serializer = self.CommentSerializerWithFieldValidator(data=wrong_data)
|
||
self.assertFalse(serializer.is_valid())
|
||
self.assertEqual(serializer.errors, {'email': ['Enter a valid email address.']})
|
||
|
||
def test_partial_update(self):
|
||
"""
|
||
Make sure that validate_email isn't called when partial=True and email
|
||
isn't found in data.
|
||
"""
|
||
initial_data = {
|
||
'email': 'tom@example.com',
|
||
'content': 'A test comment',
|
||
'created': datetime.datetime(2012, 1, 1)
|
||
}
|
||
|
||
serializer = self.CommentSerializerWithFieldValidator(data=initial_data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.object
|
||
|
||
new_content = 'An *updated* test comment'
|
||
partial_data = {
|
||
'content': new_content
|
||
}
|
||
|
||
serializer = self.CommentSerializerWithFieldValidator(instance=instance,
|
||
data=partial_data,
|
||
partial=True)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.object
|
||
self.assertEqual(instance.content, new_content)
|
||
|
||
|
||
class PositiveIntegerAsChoiceTests(TestCase):
|
||
def test_positive_integer_in_json_is_correctly_parsed(self):
|
||
data = {'some_integer': 1}
|
||
serializer = PositiveIntegerAsChoiceSerializer(data=data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
|
||
|
||
class ModelValidationTests(TestCase):
|
||
def test_validate_unique(self):
|
||
"""
|
||
Just check if serializers.ModelSerializer handles unique checks via .full_clean()
|
||
"""
|
||
serializer = AlbumsSerializer(data={'title': 'a'})
|
||
serializer.is_valid()
|
||
serializer.save()
|
||
second_serializer = AlbumsSerializer(data={'title': 'a'})
|
||
self.assertFalse(second_serializer.is_valid())
|
||
self.assertEqual(second_serializer.errors, {'title': ['Album with this Title already exists.']})
|
||
|
||
def test_foreign_key_is_null_with_partial(self):
|
||
"""
|
||
Test ModelSerializer validation with partial=True
|
||
|
||
Specifically test that a null foreign key does not pass validation
|
||
"""
|
||
album = Album(title='test')
|
||
album.save()
|
||
|
||
class PhotoSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = Photo
|
||
|
||
photo_serializer = PhotoSerializer(data={'description': 'test', 'album': album.pk})
|
||
self.assertTrue(photo_serializer.is_valid())
|
||
photo = photo_serializer.save()
|
||
|
||
# Updating only the album (foreign key)
|
||
photo_serializer = PhotoSerializer(instance=photo, data={'album': ''}, partial=True)
|
||
self.assertFalse(photo_serializer.is_valid())
|
||
self.assertTrue('album' in photo_serializer.errors)
|
||
self.assertEqual(photo_serializer.errors['album'], photo_serializer.error_messages['required'])
|
||
|
||
def test_foreign_key_with_partial(self):
|
||
"""
|
||
Test ModelSerializer validation with partial=True
|
||
|
||
Specifically test foreign key validation.
|
||
"""
|
||
|
||
album = Album(title='test')
|
||
album.save()
|
||
|
||
class PhotoSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = Photo
|
||
|
||
photo_serializer = PhotoSerializer(data={'description': 'test', 'album': album.pk})
|
||
self.assertTrue(photo_serializer.is_valid())
|
||
photo = photo_serializer.save()
|
||
|
||
# Updating only the album (foreign key)
|
||
photo_serializer = PhotoSerializer(instance=photo, data={'album': album.pk}, partial=True)
|
||
self.assertTrue(photo_serializer.is_valid())
|
||
self.assertTrue(photo_serializer.save())
|
||
|
||
# Updating only the description
|
||
photo_serializer = PhotoSerializer(instance=photo,
|
||
data={'description': 'new'},
|
||
partial=True)
|
||
|
||
self.assertTrue(photo_serializer.is_valid())
|
||
self.assertTrue(photo_serializer.save())
|
||
|
||
|
||
class RegexValidationTest(TestCase):
|
||
def test_create_failed(self):
|
||
serializer = BookSerializer(data={'isbn': '1234567890'})
|
||
self.assertFalse(serializer.is_valid())
|
||
self.assertEqual(serializer.errors, {'isbn': ['isbn has to be exact 13 numbers']})
|
||
|
||
serializer = BookSerializer(data={'isbn': '12345678901234'})
|
||
self.assertFalse(serializer.is_valid())
|
||
self.assertEqual(serializer.errors, {'isbn': ['isbn has to be exact 13 numbers']})
|
||
|
||
serializer = BookSerializer(data={'isbn': 'abcdefghijklm'})
|
||
self.assertFalse(serializer.is_valid())
|
||
self.assertEqual(serializer.errors, {'isbn': ['isbn has to be exact 13 numbers']})
|
||
|
||
def test_create_success(self):
|
||
serializer = BookSerializer(data={'isbn': '1234567890123'})
|
||
self.assertTrue(serializer.is_valid())
|
||
|
||
|
||
class MetadataTests(TestCase):
|
||
def test_empty(self):
|
||
serializer = CommentSerializer()
|
||
expected = {
|
||
'email': serializers.CharField,
|
||
'content': serializers.CharField,
|
||
'created': serializers.DateTimeField
|
||
}
|
||
for field_name, field in expected.items():
|
||
self.assertTrue(isinstance(serializer.data.fields[field_name], field))
|
||
|
||
|
||
class ManyToManyTests(TestCase):
|
||
def setUp(self):
|
||
class ManyToManySerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = ManyToManyModel
|
||
|
||
self.serializer_class = ManyToManySerializer
|
||
|
||
# An anchor instance to use for the relationship
|
||
self.anchor = Anchor()
|
||
self.anchor.save()
|
||
|
||
# A model instance with a many to many relationship to the anchor
|
||
self.instance = ManyToManyModel()
|
||
self.instance.save()
|
||
self.instance.rel.add(self.anchor)
|
||
|
||
# A serialized representation of the model instance
|
||
self.data = {'id': 1, 'rel': [self.anchor.id]}
|
||
|
||
def test_retrieve(self):
|
||
"""
|
||
Serialize an instance of a model with a ManyToMany relationship.
|
||
"""
|
||
serializer = self.serializer_class(instance=self.instance)
|
||
expected = self.data
|
||
self.assertEqual(serializer.data, expected)
|
||
|
||
def test_create(self):
|
||
"""
|
||
Create an instance of a model with a ManyToMany relationship.
|
||
"""
|
||
data = {'rel': [self.anchor.id]}
|
||
serializer = self.serializer_class(data=data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.save()
|
||
self.assertEqual(len(ManyToManyModel.objects.all()), 2)
|
||
self.assertEqual(instance.pk, 2)
|
||
self.assertEqual(list(instance.rel.all()), [self.anchor])
|
||
|
||
def test_update(self):
|
||
"""
|
||
Update an instance of a model with a ManyToMany relationship.
|
||
"""
|
||
new_anchor = Anchor()
|
||
new_anchor.save()
|
||
data = {'rel': [self.anchor.id, new_anchor.id]}
|
||
serializer = self.serializer_class(self.instance, data=data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.save()
|
||
self.assertEqual(len(ManyToManyModel.objects.all()), 1)
|
||
self.assertEqual(instance.pk, 1)
|
||
self.assertEqual(list(instance.rel.all()), [self.anchor, new_anchor])
|
||
|
||
def test_create_empty_relationship(self):
|
||
"""
|
||
Create an instance of a model with a ManyToMany relationship,
|
||
containing no items.
|
||
"""
|
||
data = {'rel': []}
|
||
serializer = self.serializer_class(data=data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.save()
|
||
self.assertEqual(len(ManyToManyModel.objects.all()), 2)
|
||
self.assertEqual(instance.pk, 2)
|
||
self.assertEqual(list(instance.rel.all()), [])
|
||
|
||
def test_update_empty_relationship(self):
|
||
"""
|
||
Update an instance of a model with a ManyToMany relationship,
|
||
containing no items.
|
||
"""
|
||
new_anchor = Anchor()
|
||
new_anchor.save()
|
||
data = {'rel': []}
|
||
serializer = self.serializer_class(self.instance, data=data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.save()
|
||
self.assertEqual(len(ManyToManyModel.objects.all()), 1)
|
||
self.assertEqual(instance.pk, 1)
|
||
self.assertEqual(list(instance.rel.all()), [])
|
||
|
||
def test_create_empty_relationship_flat_data(self):
|
||
"""
|
||
Create an instance of a model with a ManyToMany relationship,
|
||
containing no items, using a representation that does not support
|
||
lists (eg form data).
|
||
"""
|
||
data = MultiValueDict()
|
||
data.setlist('rel', [''])
|
||
serializer = self.serializer_class(data=data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.save()
|
||
self.assertEqual(len(ManyToManyModel.objects.all()), 2)
|
||
self.assertEqual(instance.pk, 2)
|
||
self.assertEqual(list(instance.rel.all()), [])
|
||
|
||
|
||
class ReadOnlyManyToManyTests(TestCase):
|
||
def setUp(self):
|
||
class ReadOnlyManyToManySerializer(serializers.ModelSerializer):
|
||
rel = serializers.RelatedField(many=True, read_only=True)
|
||
|
||
class Meta:
|
||
model = ReadOnlyManyToManyModel
|
||
|
||
self.serializer_class = ReadOnlyManyToManySerializer
|
||
|
||
# An anchor instance to use for the relationship
|
||
self.anchor = Anchor()
|
||
self.anchor.save()
|
||
|
||
# A model instance with a many to many relationship to the anchor
|
||
self.instance = ReadOnlyManyToManyModel()
|
||
self.instance.save()
|
||
self.instance.rel.add(self.anchor)
|
||
|
||
# A serialized representation of the model instance
|
||
self.data = {'rel': [self.anchor.id], 'id': 1, 'text': 'anchor'}
|
||
|
||
def test_update(self):
|
||
"""
|
||
Attempt to update an instance of a model with a ManyToMany
|
||
relationship. Not updated due to read_only=True
|
||
"""
|
||
new_anchor = Anchor()
|
||
new_anchor.save()
|
||
data = {'rel': [self.anchor.id, new_anchor.id]}
|
||
serializer = self.serializer_class(self.instance, data=data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.save()
|
||
self.assertEqual(len(ReadOnlyManyToManyModel.objects.all()), 1)
|
||
self.assertEqual(instance.pk, 1)
|
||
# rel is still as original (1 entry)
|
||
self.assertEqual(list(instance.rel.all()), [self.anchor])
|
||
|
||
def test_update_without_relationship(self):
|
||
"""
|
||
Attempt to update an instance of a model where many to ManyToMany
|
||
relationship is not supplied. Not updated due to read_only=True
|
||
"""
|
||
new_anchor = Anchor()
|
||
new_anchor.save()
|
||
data = {}
|
||
serializer = self.serializer_class(self.instance, data=data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.save()
|
||
self.assertEqual(len(ReadOnlyManyToManyModel.objects.all()), 1)
|
||
self.assertEqual(instance.pk, 1)
|
||
# rel is still as original (1 entry)
|
||
self.assertEqual(list(instance.rel.all()), [self.anchor])
|
||
|
||
|
||
class DefaultValueTests(TestCase):
|
||
def setUp(self):
|
||
class DefaultValueSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = DefaultValueModel
|
||
|
||
self.serializer_class = DefaultValueSerializer
|
||
self.objects = DefaultValueModel.objects
|
||
|
||
def test_create_using_default(self):
|
||
data = {}
|
||
serializer = self.serializer_class(data=data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.save()
|
||
self.assertEqual(len(self.objects.all()), 1)
|
||
self.assertEqual(instance.pk, 1)
|
||
self.assertEqual(instance.text, 'foobar')
|
||
|
||
def test_create_overriding_default(self):
|
||
data = {'text': 'overridden'}
|
||
serializer = self.serializer_class(data=data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.save()
|
||
self.assertEqual(len(self.objects.all()), 1)
|
||
self.assertEqual(instance.pk, 1)
|
||
self.assertEqual(instance.text, 'overridden')
|
||
|
||
def test_partial_update_default(self):
|
||
""" Regression test for issue #532 """
|
||
data = {'text': 'overridden'}
|
||
serializer = self.serializer_class(data=data, partial=True)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.save()
|
||
|
||
data = {'extra': 'extra_value'}
|
||
serializer = self.serializer_class(instance=instance, data=data, partial=True)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.save()
|
||
|
||
self.assertEqual(instance.extra, 'extra_value')
|
||
self.assertEqual(instance.text, 'overridden')
|
||
|
||
|
||
class WritableFieldDefaultValueTests(TestCase):
|
||
|
||
def setUp(self):
|
||
self.expected = {'default': 'value'}
|
||
self.create_field = fields.WritableField
|
||
|
||
def test_get_default_value_with_noncallable(self):
|
||
field = self.create_field(default=self.expected)
|
||
got = field.get_default_value()
|
||
self.assertEqual(got, self.expected)
|
||
|
||
def test_get_default_value_with_callable(self):
|
||
field = self.create_field(default=lambda : self.expected)
|
||
got = field.get_default_value()
|
||
self.assertEqual(got, self.expected)
|
||
|
||
def test_get_default_value_when_not_required(self):
|
||
field = self.create_field(default=self.expected, required=False)
|
||
got = field.get_default_value()
|
||
self.assertEqual(got, self.expected)
|
||
|
||
def test_get_default_value_returns_None(self):
|
||
field = self.create_field()
|
||
got = field.get_default_value()
|
||
self.assertIsNone(got)
|
||
|
||
def test_get_default_value_returns_non_True_values(self):
|
||
values = [None, '', False, 0, [], (), {}] # values that assumed as 'False' in the 'if' clause
|
||
for expected in values:
|
||
field = self.create_field(default=expected)
|
||
got = field.get_default_value()
|
||
self.assertEqual(got, expected)
|
||
|
||
|
||
class RelatedFieldDefaultValueTests(WritableFieldDefaultValueTests):
|
||
|
||
def setUp(self):
|
||
self.expected = {'foo': 'bar'}
|
||
self.create_field = relations.RelatedField
|
||
|
||
def test_get_default_value_returns_empty_list(self):
|
||
field = self.create_field(many=True)
|
||
got = field.get_default_value()
|
||
self.assertListEqual(got, [])
|
||
|
||
def test_get_default_value_returns_expected(self):
|
||
expected = [1, 2, 3]
|
||
field = self.create_field(many=True, default=expected)
|
||
got = field.get_default_value()
|
||
self.assertListEqual(got, expected)
|
||
|
||
|
||
class CallableDefaultValueTests(TestCase):
|
||
def setUp(self):
|
||
class CallableDefaultValueSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = CallableDefaultValueModel
|
||
|
||
self.serializer_class = CallableDefaultValueSerializer
|
||
self.objects = CallableDefaultValueModel.objects
|
||
|
||
def test_create_using_default(self):
|
||
data = {}
|
||
serializer = self.serializer_class(data=data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.save()
|
||
self.assertEqual(len(self.objects.all()), 1)
|
||
self.assertEqual(instance.pk, 1)
|
||
self.assertEqual(instance.text, 'foobar')
|
||
|
||
def test_create_overriding_default(self):
|
||
data = {'text': 'overridden'}
|
||
serializer = self.serializer_class(data=data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
instance = serializer.save()
|
||
self.assertEqual(len(self.objects.all()), 1)
|
||
self.assertEqual(instance.pk, 1)
|
||
self.assertEqual(instance.text, 'overridden')
|
||
|
||
|
||
class ManyRelatedTests(TestCase):
|
||
def test_reverse_relations(self):
|
||
post = BlogPost.objects.create(title="Test blog post")
|
||
post.blogpostcomment_set.create(text="I hate this blog post")
|
||
post.blogpostcomment_set.create(text="I love this blog post")
|
||
|
||
class BlogPostCommentSerializer(serializers.Serializer):
|
||
text = serializers.CharField()
|
||
|
||
class BlogPostSerializer(serializers.Serializer):
|
||
title = serializers.CharField()
|
||
comments = BlogPostCommentSerializer(source='blogpostcomment_set')
|
||
|
||
serializer = BlogPostSerializer(instance=post)
|
||
expected = {
|
||
'title': 'Test blog post',
|
||
'comments': [
|
||
{'text': 'I hate this blog post'},
|
||
{'text': 'I love this blog post'}
|
||
]
|
||
}
|
||
|
||
self.assertEqual(serializer.data, expected)
|
||
|
||
def test_include_reverse_relations(self):
|
||
post = BlogPost.objects.create(title="Test blog post")
|
||
post.blogpostcomment_set.create(text="I hate this blog post")
|
||
post.blogpostcomment_set.create(text="I love this blog post")
|
||
|
||
class BlogPostSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = BlogPost
|
||
fields = ('id', 'title', 'blogpostcomment_set')
|
||
|
||
serializer = BlogPostSerializer(instance=post)
|
||
expected = {
|
||
'id': 1, 'title': 'Test blog post', 'blogpostcomment_set': [1, 2]
|
||
}
|
||
self.assertEqual(serializer.data, expected)
|
||
|
||
def test_depth_include_reverse_relations(self):
|
||
post = BlogPost.objects.create(title="Test blog post")
|
||
post.blogpostcomment_set.create(text="I hate this blog post")
|
||
post.blogpostcomment_set.create(text="I love this blog post")
|
||
|
||
class BlogPostSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = BlogPost
|
||
fields = ('id', 'title', 'blogpostcomment_set')
|
||
depth = 1
|
||
|
||
serializer = BlogPostSerializer(instance=post)
|
||
expected = {
|
||
'id': 1, 'title': 'Test blog post',
|
||
'blogpostcomment_set': [
|
||
{'id': 1, 'text': 'I hate this blog post', 'blog_post': 1},
|
||
{'id': 2, 'text': 'I love this blog post', 'blog_post': 1}
|
||
]
|
||
}
|
||
self.assertEqual(serializer.data, expected)
|
||
|
||
def test_callable_source(self):
|
||
post = BlogPost.objects.create(title="Test blog post")
|
||
post.blogpostcomment_set.create(text="I love this blog post")
|
||
|
||
class BlogPostCommentSerializer(serializers.Serializer):
|
||
text = serializers.CharField()
|
||
|
||
class BlogPostSerializer(serializers.Serializer):
|
||
title = serializers.CharField()
|
||
first_comment = BlogPostCommentSerializer(source='get_first_comment')
|
||
|
||
serializer = BlogPostSerializer(post)
|
||
|
||
expected = {
|
||
'title': 'Test blog post',
|
||
'first_comment': {'text': 'I love this blog post'}
|
||
}
|
||
self.assertEqual(serializer.data, expected)
|
||
|
||
|
||
class RelatedTraversalTest(TestCase):
|
||
def test_nested_traversal(self):
|
||
"""
|
||
Source argument should support dotted.source notation.
|
||
"""
|
||
user = Person.objects.create(name="django")
|
||
post = BlogPost.objects.create(title="Test blog post", writer=user)
|
||
post.blogpostcomment_set.create(text="I love this blog post")
|
||
|
||
class PersonSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = Person
|
||
fields = ("name", "age")
|
||
|
||
class BlogPostCommentSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = BlogPostComment
|
||
fields = ("text", "post_owner")
|
||
|
||
text = serializers.CharField()
|
||
post_owner = PersonSerializer(source='blog_post.writer')
|
||
|
||
class BlogPostSerializer(serializers.Serializer):
|
||
title = serializers.CharField()
|
||
comments = BlogPostCommentSerializer(source='blogpostcomment_set')
|
||
|
||
serializer = BlogPostSerializer(instance=post)
|
||
|
||
expected = {
|
||
'title': 'Test blog post',
|
||
'comments': [{
|
||
'text': 'I love this blog post',
|
||
'post_owner': {
|
||
"name": "django",
|
||
"age": None
|
||
}
|
||
}]
|
||
}
|
||
|
||
self.assertEqual(serializer.data, expected)
|
||
|
||
def test_nested_traversal_with_none(self):
|
||
"""
|
||
If a component of the dotted.source is None, return None for the field.
|
||
"""
|
||
from rest_framework.tests.models import NullableForeignKeySource
|
||
instance = NullableForeignKeySource.objects.create(name='Source with null FK')
|
||
|
||
class NullableSourceSerializer(serializers.Serializer):
|
||
target_name = serializers.Field(source='target.name')
|
||
|
||
serializer = NullableSourceSerializer(instance=instance)
|
||
|
||
expected = {
|
||
'target_name': None,
|
||
}
|
||
|
||
self.assertEqual(serializer.data, expected)
|
||
|
||
|
||
class SerializerMethodFieldTests(TestCase):
|
||
def setUp(self):
|
||
|
||
class BoopSerializer(serializers.Serializer):
|
||
beep = serializers.SerializerMethodField('get_beep')
|
||
boop = serializers.Field()
|
||
boop_count = serializers.SerializerMethodField('get_boop_count')
|
||
|
||
def get_beep(self, obj):
|
||
return 'hello!'
|
||
|
||
def get_boop_count(self, obj):
|
||
return len(obj.boop)
|
||
|
||
self.serializer_class = BoopSerializer
|
||
|
||
def test_serializer_method_field(self):
|
||
|
||
class MyModel(object):
|
||
boop = ['a', 'b', 'c']
|
||
|
||
source_data = MyModel()
|
||
|
||
serializer = self.serializer_class(source_data)
|
||
|
||
expected = {
|
||
'beep': 'hello!',
|
||
'boop': ['a', 'b', 'c'],
|
||
'boop_count': 3,
|
||
}
|
||
|
||
self.assertEqual(serializer.data, expected)
|
||
|
||
|
||
# Test for issue #324
|
||
class BlankFieldTests(TestCase):
|
||
def setUp(self):
|
||
|
||
class BlankFieldModelSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = BlankFieldModel
|
||
|
||
class BlankFieldSerializer(serializers.Serializer):
|
||
title = serializers.CharField(required=False)
|
||
|
||
class NotBlankFieldModelSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = BasicModel
|
||
|
||
class NotBlankFieldSerializer(serializers.Serializer):
|
||
title = serializers.CharField()
|
||
|
||
self.model_serializer_class = BlankFieldModelSerializer
|
||
self.serializer_class = BlankFieldSerializer
|
||
self.not_blank_model_serializer_class = NotBlankFieldModelSerializer
|
||
self.not_blank_serializer_class = NotBlankFieldSerializer
|
||
self.data = {'title': ''}
|
||
|
||
def test_create_blank_field(self):
|
||
serializer = self.serializer_class(data=self.data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
|
||
def test_create_model_blank_field(self):
|
||
serializer = self.model_serializer_class(data=self.data)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
|
||
def test_create_model_null_field(self):
|
||
serializer = self.model_serializer_class(data={'title': None})
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
|
||
def test_create_not_blank_field(self):
|
||
"""
|
||
Test to ensure blank data in a field not marked as blank=True
|
||
is considered invalid in a non-model serializer
|
||
"""
|
||
serializer = self.not_blank_serializer_class(data=self.data)
|
||
self.assertEqual(serializer.is_valid(), False)
|
||
|
||
def test_create_model_not_blank_field(self):
|
||
"""
|
||
Test to ensure blank data in a field not marked as blank=True
|
||
is considered invalid in a model serializer
|
||
"""
|
||
serializer = self.not_blank_model_serializer_class(data=self.data)
|
||
self.assertEqual(serializer.is_valid(), False)
|
||
|
||
def test_create_model_empty_field(self):
|
||
serializer = self.model_serializer_class(data={})
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
|
||
|
||
#test for issue #460
|
||
class SerializerPickleTests(TestCase):
|
||
"""
|
||
Test pickleability of the output of Serializers
|
||
"""
|
||
def test_pickle_simple_model_serializer_data(self):
|
||
"""
|
||
Test simple serializer
|
||
"""
|
||
pickle.dumps(PersonSerializer(Person(name="Methusela", age=969)).data)
|
||
|
||
def test_pickle_inner_serializer(self):
|
||
"""
|
||
Test pickling a serializer whose resulting .data (a SortedDictWithMetadata) will
|
||
have unpickleable meta data--in order to make sure metadata doesn't get pulled into the pickle.
|
||
See DictWithMetadata.__getstate__
|
||
"""
|
||
class InnerPersonSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = Person
|
||
fields = ('name', 'age')
|
||
pickle.dumps(InnerPersonSerializer(Person(name="Noah", age=950)).data, 0)
|
||
|
||
def test_getstate_method_should_not_return_none(self):
|
||
"""
|
||
Regression test for #645.
|
||
"""
|
||
data = serializers.DictWithMetadata({1: 1})
|
||
self.assertEqual(data.__getstate__(), serializers.SortedDict({1: 1}))
|
||
|
||
def test_serializer_data_is_pickleable(self):
|
||
"""
|
||
Another regression test for #645.
|
||
"""
|
||
data = serializers.SortedDictWithMetadata({1: 1})
|
||
repr(pickle.loads(pickle.dumps(data, 0)))
|
||
|
||
|
||
# test for issue #725
|
||
class SeveralChoicesModel(models.Model):
|
||
color = models.CharField(
|
||
max_length=10,
|
||
choices=[('red', 'Red'), ('green', 'Green'), ('blue', 'Blue')],
|
||
blank=False
|
||
)
|
||
drink = models.CharField(
|
||
max_length=10,
|
||
choices=[('beer', 'Beer'), ('wine', 'Wine'), ('cider', 'Cider')],
|
||
blank=False,
|
||
default='beer'
|
||
)
|
||
os = models.CharField(
|
||
max_length=10,
|
||
choices=[('linux', 'Linux'), ('osx', 'OSX'), ('windows', 'Windows')],
|
||
blank=True
|
||
)
|
||
music_genre = models.CharField(
|
||
max_length=10,
|
||
choices=[('rock', 'Rock'), ('metal', 'Metal'), ('grunge', 'Grunge')],
|
||
blank=True,
|
||
default='metal'
|
||
)
|
||
|
||
|
||
class SerializerChoiceFields(TestCase):
|
||
|
||
def setUp(self):
|
||
super(SerializerChoiceFields, self).setUp()
|
||
|
||
class SeveralChoicesSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = SeveralChoicesModel
|
||
fields = ('color', 'drink', 'os', 'music_genre')
|
||
|
||
self.several_choices_serializer = SeveralChoicesSerializer
|
||
|
||
def test_choices_blank_false_not_default(self):
|
||
serializer = self.several_choices_serializer()
|
||
self.assertEqual(
|
||
serializer.fields['color'].choices,
|
||
[('red', 'Red'), ('green', 'Green'), ('blue', 'Blue')]
|
||
)
|
||
|
||
def test_choices_blank_false_with_default(self):
|
||
serializer = self.several_choices_serializer()
|
||
self.assertEqual(
|
||
serializer.fields['drink'].choices,
|
||
[('beer', 'Beer'), ('wine', 'Wine'), ('cider', 'Cider')]
|
||
)
|
||
|
||
def test_choices_blank_true_not_default(self):
|
||
serializer = self.several_choices_serializer()
|
||
self.assertEqual(
|
||
serializer.fields['os'].choices,
|
||
BLANK_CHOICE_DASH + [('linux', 'Linux'), ('osx', 'OSX'), ('windows', 'Windows')]
|
||
)
|
||
|
||
def test_choices_blank_true_with_default(self):
|
||
serializer = self.several_choices_serializer()
|
||
self.assertEqual(
|
||
serializer.fields['music_genre'].choices,
|
||
BLANK_CHOICE_DASH + [('rock', 'Rock'), ('metal', 'Metal'), ('grunge', 'Grunge')]
|
||
)
|
||
|
||
|
||
# Regression tests for #675
|
||
class Ticket(models.Model):
|
||
assigned = models.ForeignKey(
|
||
Person, related_name='assigned_tickets')
|
||
reviewer = models.ForeignKey(
|
||
Person, blank=True, null=True, related_name='reviewed_tickets')
|
||
|
||
|
||
class SerializerRelatedChoicesTest(TestCase):
|
||
|
||
def setUp(self):
|
||
super(SerializerRelatedChoicesTest, self).setUp()
|
||
|
||
class RelatedChoicesSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = Ticket
|
||
fields = ('assigned', 'reviewer')
|
||
|
||
self.related_fields_serializer = RelatedChoicesSerializer
|
||
|
||
def test_empty_queryset_required(self):
|
||
serializer = self.related_fields_serializer()
|
||
self.assertEqual(serializer.fields['assigned'].queryset.count(), 0)
|
||
self.assertEqual(
|
||
[x for x in serializer.fields['assigned'].widget.choices],
|
||
[]
|
||
)
|
||
|
||
def test_empty_queryset_not_required(self):
|
||
serializer = self.related_fields_serializer()
|
||
self.assertEqual(serializer.fields['reviewer'].queryset.count(), 0)
|
||
self.assertEqual(
|
||
[x for x in serializer.fields['reviewer'].widget.choices],
|
||
[('', '---------')]
|
||
)
|
||
|
||
def test_with_some_persons_required(self):
|
||
Person.objects.create(name="Lionel Messi")
|
||
Person.objects.create(name="Xavi Hernandez")
|
||
serializer = self.related_fields_serializer()
|
||
self.assertEqual(serializer.fields['assigned'].queryset.count(), 2)
|
||
self.assertEqual(
|
||
[x for x in serializer.fields['assigned'].widget.choices],
|
||
[(1, 'Person object - 1'), (2, 'Person object - 2')]
|
||
)
|
||
|
||
def test_with_some_persons_not_required(self):
|
||
Person.objects.create(name="Lionel Messi")
|
||
Person.objects.create(name="Xavi Hernandez")
|
||
serializer = self.related_fields_serializer()
|
||
self.assertEqual(serializer.fields['reviewer'].queryset.count(), 2)
|
||
self.assertEqual(
|
||
[x for x in serializer.fields['reviewer'].widget.choices],
|
||
[('', '---------'), (1, 'Person object - 1'), (2, 'Person object - 2')]
|
||
)
|
||
|
||
|
||
class DepthTest(TestCase):
|
||
def test_implicit_nesting(self):
|
||
|
||
writer = Person.objects.create(name="django", age=1)
|
||
post = BlogPost.objects.create(title="Test blog post", writer=writer)
|
||
comment = BlogPostComment.objects.create(text="Test blog post comment", blog_post=post)
|
||
|
||
class BlogPostCommentSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = BlogPostComment
|
||
depth = 2
|
||
|
||
serializer = BlogPostCommentSerializer(instance=comment)
|
||
expected = {'id': 1, 'text': 'Test blog post comment', 'blog_post': {'id': 1, 'title': 'Test blog post',
|
||
'writer': {'id': 1, 'name': 'django', 'age': 1}}}
|
||
|
||
self.assertEqual(serializer.data, expected)
|
||
|
||
def test_explicit_nesting(self):
|
||
writer = Person.objects.create(name="django", age=1)
|
||
post = BlogPost.objects.create(title="Test blog post", writer=writer)
|
||
comment = BlogPostComment.objects.create(text="Test blog post comment", blog_post=post)
|
||
|
||
class PersonSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = Person
|
||
|
||
class BlogPostSerializer(serializers.ModelSerializer):
|
||
writer = PersonSerializer()
|
||
|
||
class Meta:
|
||
model = BlogPost
|
||
|
||
class BlogPostCommentSerializer(serializers.ModelSerializer):
|
||
blog_post = BlogPostSerializer()
|
||
|
||
class Meta:
|
||
model = BlogPostComment
|
||
|
||
serializer = BlogPostCommentSerializer(instance=comment)
|
||
expected = {'id': 1, 'text': 'Test blog post comment', 'blog_post': {'id': 1, 'title': 'Test blog post',
|
||
'writer': {'id': 1, 'name': 'django', 'age': 1}}}
|
||
|
||
self.assertEqual(serializer.data, expected)
|
||
|
||
|
||
class NestedSerializerContextTests(TestCase):
|
||
|
||
def test_nested_serializer_context(self):
|
||
"""
|
||
Regression for #497
|
||
|
||
https://github.com/tomchristie/django-rest-framework/issues/497
|
||
"""
|
||
class PhotoSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = Photo
|
||
fields = ("description", "callable")
|
||
|
||
callable = serializers.SerializerMethodField('_callable')
|
||
|
||
def _callable(self, instance):
|
||
if not 'context_item' in self.context:
|
||
raise RuntimeError("context isn't getting passed into 2nd level nested serializer")
|
||
return "success"
|
||
|
||
class AlbumSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = Album
|
||
fields = ("photo_set", "callable")
|
||
|
||
photo_set = PhotoSerializer(source="photo_set")
|
||
callable = serializers.SerializerMethodField("_callable")
|
||
|
||
def _callable(self, instance):
|
||
if not 'context_item' in self.context:
|
||
raise RuntimeError("context isn't getting passed into 1st level nested serializer")
|
||
return "success"
|
||
|
||
class AlbumCollection(object):
|
||
albums = None
|
||
|
||
class AlbumCollectionSerializer(serializers.Serializer):
|
||
albums = AlbumSerializer(source="albums")
|
||
|
||
album1 = Album.objects.create(title="album 1")
|
||
album2 = Album.objects.create(title="album 2")
|
||
Photo.objects.create(description="Bigfoot", album=album1)
|
||
Photo.objects.create(description="Unicorn", album=album1)
|
||
Photo.objects.create(description="Yeti", album=album2)
|
||
Photo.objects.create(description="Sasquatch", album=album2)
|
||
album_collection = AlbumCollection()
|
||
album_collection.albums = [album1, album2]
|
||
|
||
# This will raise RuntimeError if context doesn't get passed correctly to the nested Serializers
|
||
AlbumCollectionSerializer(album_collection, context={'context_item': 'album context'}).data
|
||
|
||
|
||
class DeserializeListTestCase(TestCase):
|
||
|
||
def setUp(self):
|
||
self.data = {
|
||
'email': 'nobody@nowhere.com',
|
||
'content': 'This is some test content',
|
||
'created': datetime.datetime(2013, 3, 7),
|
||
}
|
||
|
||
def test_no_errors(self):
|
||
data = [self.data.copy() for x in range(0, 3)]
|
||
serializer = CommentSerializer(data=data, many=True)
|
||
self.assertTrue(serializer.is_valid())
|
||
self.assertTrue(isinstance(serializer.object, list))
|
||
self.assertTrue(
|
||
all((isinstance(item, Comment) for item in serializer.object))
|
||
)
|
||
|
||
def test_errors_return_as_list(self):
|
||
invalid_item = self.data.copy()
|
||
invalid_item['email'] = ''
|
||
data = [self.data.copy(), invalid_item, self.data.copy()]
|
||
|
||
serializer = CommentSerializer(data=data, many=True)
|
||
self.assertFalse(serializer.is_valid())
|
||
expected = [{}, {'email': ['This field is required.']}, {}]
|
||
self.assertEqual(serializer.errors, expected)
|
||
|
||
|
||
# Test for issue 747
|
||
|
||
class LazyStringModel(object):
|
||
def __init__(self, lazystring):
|
||
self.lazystring = lazystring
|
||
|
||
|
||
class LazyStringSerializer(serializers.Serializer):
|
||
lazystring = serializers.Field()
|
||
|
||
def restore_object(self, attrs, instance=None):
|
||
if instance is not None:
|
||
instance.lazystring = attrs.get('lazystring', instance.lazystring)
|
||
return instance
|
||
return LazyStringModel(**attrs)
|
||
|
||
|
||
class LazyStringsTestCase(TestCase):
|
||
def setUp(self):
|
||
self.model = LazyStringModel(lazystring=_('lazystring'))
|
||
|
||
def test_lazy_strings_are_translated(self):
|
||
serializer = LazyStringSerializer(self.model)
|
||
self.assertEqual(type(serializer.data['lazystring']),
|
||
type('lazystring'))
|
||
|
||
|
||
# Test for issue #467
|
||
|
||
class FieldLabelTest(TestCase):
|
||
def setUp(self):
|
||
self.serializer_class = BasicModelSerializer
|
||
|
||
def test_label_from_model(self):
|
||
"""
|
||
Validates that label and help_text are correctly copied from the model class.
|
||
"""
|
||
serializer = self.serializer_class()
|
||
text_field = serializer.fields['text']
|
||
|
||
self.assertEqual('Text comes here', text_field.label)
|
||
self.assertEqual('Text description.', text_field.help_text)
|
||
|
||
def test_field_ctor(self):
|
||
"""
|
||
This is check that ctor supports both label and help_text.
|
||
"""
|
||
self.assertEqual('Label', fields.Field(label='Label', help_text='Help').label)
|
||
self.assertEqual('Help', fields.CharField(label='Label', help_text='Help').help_text)
|
||
self.assertEqual('Label', relations.HyperlinkedRelatedField(view_name='fake', label='Label', help_text='Help', many=True).label)
|
||
|
||
|
||
# Test for issue #961
|
||
|
||
class ManyFieldHelpTextTest(TestCase):
|
||
def test_help_text_no_hold_down_control_msg(self):
|
||
"""
|
||
Validate that help_text doesn't contain the 'Hold down "Control" ...'
|
||
message that Django appends to choice fields.
|
||
"""
|
||
rel_field = fields.Field(help_text=ManyToManyModel._meta.get_field('rel').help_text)
|
||
self.assertEqual('Some help text.', rel_field.help_text)
|
||
|
||
|
||
class AttributeMappingOnAutogeneratedFieldsTests(TestCase):
|
||
|
||
def setUp(self):
|
||
class AMOAFModel(RESTFrameworkModel):
|
||
char_field = models.CharField(max_length=1024, blank=True)
|
||
comma_separated_integer_field = models.CommaSeparatedIntegerField(max_length=1024, blank=True)
|
||
decimal_field = models.DecimalField(max_digits=64, decimal_places=32, blank=True)
|
||
email_field = models.EmailField(max_length=1024, blank=True)
|
||
file_field = models.FileField(max_length=1024, blank=True)
|
||
image_field = models.ImageField(max_length=1024, blank=True)
|
||
slug_field = models.SlugField(max_length=1024, blank=True)
|
||
url_field = models.URLField(max_length=1024, blank=True)
|
||
|
||
class AMOAFSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = AMOAFModel
|
||
|
||
self.serializer_class = AMOAFSerializer
|
||
self.fields_attributes = {
|
||
'char_field': [
|
||
('max_length', 1024),
|
||
],
|
||
'comma_separated_integer_field': [
|
||
('max_length', 1024),
|
||
],
|
||
'decimal_field': [
|
||
('max_digits', 64),
|
||
('decimal_places', 32),
|
||
],
|
||
'email_field': [
|
||
('max_length', 1024),
|
||
],
|
||
'file_field': [
|
||
('max_length', 1024),
|
||
],
|
||
'image_field': [
|
||
('max_length', 1024),
|
||
],
|
||
'slug_field': [
|
||
('max_length', 1024),
|
||
],
|
||
'url_field': [
|
||
('max_length', 1024),
|
||
],
|
||
}
|
||
|
||
def field_test(self, field):
|
||
serializer = self.serializer_class(data={})
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
|
||
for attribute in self.fields_attributes[field]:
|
||
self.assertEqual(
|
||
getattr(serializer.fields[field], attribute[0]),
|
||
attribute[1]
|
||
)
|
||
|
||
def test_char_field(self):
|
||
self.field_test('char_field')
|
||
|
||
def test_comma_separated_integer_field(self):
|
||
self.field_test('comma_separated_integer_field')
|
||
|
||
def test_decimal_field(self):
|
||
self.field_test('decimal_field')
|
||
|
||
def test_email_field(self):
|
||
self.field_test('email_field')
|
||
|
||
def test_file_field(self):
|
||
self.field_test('file_field')
|
||
|
||
def test_image_field(self):
|
||
self.field_test('image_field')
|
||
|
||
def test_slug_field(self):
|
||
self.field_test('slug_field')
|
||
|
||
def test_url_field(self):
|
||
self.field_test('url_field')
|
||
|
||
|
||
class DefaultValuesOnAutogeneratedFieldsTests(TestCase):
|
||
|
||
def setUp(self):
|
||
class DVOAFModel(RESTFrameworkModel):
|
||
positive_integer_field = models.PositiveIntegerField(blank=True)
|
||
positive_small_integer_field = models.PositiveSmallIntegerField(blank=True)
|
||
email_field = models.EmailField(blank=True)
|
||
file_field = models.FileField(blank=True)
|
||
image_field = models.ImageField(blank=True)
|
||
slug_field = models.SlugField(blank=True)
|
||
url_field = models.URLField(blank=True)
|
||
|
||
class DVOAFSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = DVOAFModel
|
||
|
||
self.serializer_class = DVOAFSerializer
|
||
self.fields_attributes = {
|
||
'positive_integer_field': [
|
||
('min_value', 0),
|
||
],
|
||
'positive_small_integer_field': [
|
||
('min_value', 0),
|
||
],
|
||
'email_field': [
|
||
('max_length', 75),
|
||
],
|
||
'file_field': [
|
||
('max_length', 100),
|
||
],
|
||
'image_field': [
|
||
('max_length', 100),
|
||
],
|
||
'slug_field': [
|
||
('max_length', 50),
|
||
],
|
||
'url_field': [
|
||
('max_length', 200),
|
||
],
|
||
}
|
||
|
||
def field_test(self, field):
|
||
serializer = self.serializer_class(data={})
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
|
||
for attribute in self.fields_attributes[field]:
|
||
self.assertEqual(
|
||
getattr(serializer.fields[field], attribute[0]),
|
||
attribute[1]
|
||
)
|
||
|
||
def test_positive_integer_field(self):
|
||
self.field_test('positive_integer_field')
|
||
|
||
def test_positive_small_integer_field(self):
|
||
self.field_test('positive_small_integer_field')
|
||
|
||
def test_email_field(self):
|
||
self.field_test('email_field')
|
||
|
||
def test_file_field(self):
|
||
self.field_test('file_field')
|
||
|
||
def test_image_field(self):
|
||
self.field_test('image_field')
|
||
|
||
def test_slug_field(self):
|
||
self.field_test('slug_field')
|
||
|
||
def test_url_field(self):
|
||
self.field_test('url_field')
|
||
|
||
|
||
class MetadataSerializer(serializers.Serializer):
|
||
field1 = serializers.CharField(3, required=True)
|
||
field2 = serializers.CharField(10, required=False)
|
||
|
||
|
||
class MetadataSerializerTestCase(TestCase):
|
||
def setUp(self):
|
||
self.serializer = MetadataSerializer()
|
||
|
||
def test_serializer_metadata(self):
|
||
metadata = self.serializer.metadata()
|
||
expected = {
|
||
'field1': {
|
||
'required': True,
|
||
'max_length': 3,
|
||
'type': 'string',
|
||
'read_only': False
|
||
},
|
||
'field2': {
|
||
'required': False,
|
||
'max_length': 10,
|
||
'type': 'string',
|
||
'read_only': False
|
||
}
|
||
}
|
||
self.assertEqual(expected, metadata)
|
||
|
||
|
||
### Regression test for #840
|
||
|
||
class SimpleModel(models.Model):
|
||
text = models.CharField(max_length=100)
|
||
|
||
|
||
class SimpleModelSerializer(serializers.ModelSerializer):
|
||
text = serializers.CharField()
|
||
other = serializers.CharField()
|
||
|
||
class Meta:
|
||
model = SimpleModel
|
||
|
||
def validate_other(self, attrs, source):
|
||
del attrs['other']
|
||
return attrs
|
||
|
||
|
||
class FieldValidationRemovingAttr(TestCase):
|
||
def test_removing_non_model_field_in_validation(self):
|
||
"""
|
||
Removing an attr during field valiation should ensure that it is not
|
||
passed through when restoring the object.
|
||
|
||
This allows additional non-model fields to be supported.
|
||
|
||
Regression test for #840.
|
||
"""
|
||
serializer = SimpleModelSerializer(data={'text': 'foo', 'other': 'bar'})
|
||
self.assertTrue(serializer.is_valid())
|
||
serializer.save()
|
||
self.assertEqual(serializer.object.text, 'foo')
|
||
|
||
|
||
### Regression test for #878
|
||
|
||
class SimpleTargetModel(models.Model):
|
||
text = models.CharField(max_length=100)
|
||
|
||
|
||
class SimplePKSourceModelSerializer(serializers.Serializer):
|
||
targets = serializers.PrimaryKeyRelatedField(queryset=SimpleTargetModel.objects.all(), many=True)
|
||
text = serializers.CharField()
|
||
|
||
|
||
class SimpleSlugSourceModelSerializer(serializers.Serializer):
|
||
targets = serializers.SlugRelatedField(queryset=SimpleTargetModel.objects.all(), many=True, slug_field='pk')
|
||
text = serializers.CharField()
|
||
|
||
|
||
class SerializerSupportsManyRelationships(TestCase):
|
||
def setUp(self):
|
||
SimpleTargetModel.objects.create(text='foo')
|
||
SimpleTargetModel.objects.create(text='bar')
|
||
|
||
def test_serializer_supports_pk_many_relationships(self):
|
||
"""
|
||
Regression test for #878.
|
||
|
||
Note that pk behavior has a different code path to usual cases,
|
||
for performance reasons.
|
||
"""
|
||
serializer = SimplePKSourceModelSerializer(data={'text': 'foo', 'targets': [1, 2]})
|
||
self.assertTrue(serializer.is_valid())
|
||
self.assertEqual(serializer.data, {'text': 'foo', 'targets': [1, 2]})
|
||
|
||
def test_serializer_supports_slug_many_relationships(self):
|
||
"""
|
||
Regression test for #878.
|
||
"""
|
||
serializer = SimpleSlugSourceModelSerializer(data={'text': 'foo', 'targets': [1, 2]})
|
||
self.assertTrue(serializer.is_valid())
|
||
self.assertEqual(serializer.data, {'text': 'foo', 'targets': [1, 2]})
|
||
|
||
|
||
class TransformMethodsSerializer(serializers.Serializer):
|
||
a = serializers.CharField()
|
||
b_renamed = serializers.CharField(source='b')
|
||
|
||
def transform_a(self, obj, value):
|
||
return value.lower()
|
||
|
||
def transform_b_renamed(self, obj, value):
|
||
if value is not None:
|
||
return 'and ' + value
|
||
|
||
|
||
class TestSerializerTransformMethods(TestCase):
|
||
def setUp(self):
|
||
self.s = TransformMethodsSerializer()
|
||
|
||
def test_transform_methods(self):
|
||
self.assertEqual(
|
||
self.s.to_native({'a': 'GREEN EGGS', 'b': 'HAM'}),
|
||
{
|
||
'a': 'green eggs',
|
||
'b_renamed': 'and HAM',
|
||
}
|
||
)
|
||
|
||
def test_missing_fields(self):
|
||
self.assertEqual(
|
||
self.s.to_native({'a': 'GREEN EGGS'}),
|
||
{
|
||
'a': 'green eggs',
|
||
'b_renamed': None,
|
||
}
|
||
)
|
||
|
||
|
||
class DefaultTrueBooleanModel(models.Model):
|
||
cat = models.BooleanField(default=True)
|
||
dog = models.BooleanField(default=False)
|
||
|
||
|
||
class SerializerDefaultTrueBoolean(TestCase):
|
||
|
||
def setUp(self):
|
||
super(SerializerDefaultTrueBoolean, self).setUp()
|
||
|
||
class DefaultTrueBooleanSerializer(serializers.ModelSerializer):
|
||
class Meta:
|
||
model = DefaultTrueBooleanModel
|
||
fields = ('cat', 'dog')
|
||
|
||
self.default_true_boolean_serializer = DefaultTrueBooleanSerializer
|
||
|
||
def test_enabled_as_false(self):
|
||
serializer = self.default_true_boolean_serializer(data={'cat': False,
|
||
'dog': False})
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
self.assertEqual(serializer.data['cat'], False)
|
||
self.assertEqual(serializer.data['dog'], False)
|
||
|
||
def test_enabled_as_true(self):
|
||
serializer = self.default_true_boolean_serializer(data={'cat': True,
|
||
'dog': True})
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
self.assertEqual(serializer.data['cat'], True)
|
||
self.assertEqual(serializer.data['dog'], True)
|
||
|
||
def test_enabled_partial(self):
|
||
serializer = self.default_true_boolean_serializer(data={'cat': False},
|
||
partial=True)
|
||
self.assertEqual(serializer.is_valid(), True)
|
||
self.assertEqual(serializer.data['cat'], False)
|
||
self.assertEqual(serializer.data['dog'], False)
|
||
|
||
|
||
class BoolenFieldTypeTest(TestCase):
|
||
'''
|
||
Ensure the various Boolean based model fields are rendered as the proper
|
||
field type
|
||
|
||
'''
|
||
|
||
def setUp(self):
|
||
'''
|
||
Setup an ActionItemSerializer for BooleanTesting
|
||
'''
|
||
data = {
|
||
'title': 'b' * 201,
|
||
}
|
||
self.serializer = ActionItemSerializer(data=data)
|
||
|
||
def test_booleanfield_type(self):
|
||
'''
|
||
Test that BooleanField is infered from models.BooleanField
|
||
'''
|
||
bfield = self.serializer.get_fields()['done']
|
||
self.assertEqual(type(bfield), fields.BooleanField)
|
||
|
||
def test_nullbooleanfield_type(self):
|
||
'''
|
||
Test that BooleanField is infered from models.NullBooleanField
|
||
|
||
https://groups.google.com/forum/#!topic/django-rest-framework/D9mXEftpuQ8
|
||
'''
|
||
bfield = self.serializer.get_fields()['started']
|
||
self.assertEqual(type(bfield), fields.BooleanField)
|