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# """
# Tests to cover bulk create and update using serializers.
# """
# from __future__ import unicode_literals
# from django.test import TestCase
# from rest_framework import serializers
# class BulkCreateSerializerTests(TestCase):
# """
# Creating multiple instances using serializers.
# """
# def setUp(self):
# class BookSerializer(serializers.Serializer):
# id = serializers.IntegerField()
# title = serializers.CharField(max_length=100)
# author = serializers.CharField(max_length=100)
# self.BookSerializer = BookSerializer
# def test_bulk_create_success(self):
# """
# Correct bulk update serialization should return the input data.
# """
# data = [
# {
# 'id': 0,
# 'title': 'The electric kool-aid acid test',
# 'author': 'Tom Wolfe'
# }, {
# 'id': 1,
# 'title': 'If this is a man',
# 'author': 'Primo Levi'
# }, {
# 'id': 2,
# 'title': 'The wind-up bird chronicle',
# 'author': 'Haruki Murakami'
# }
# ]
# serializer = self.BookSerializer(data=data, many=True)
# self.assertEqual(serializer.is_valid(), True)
# self.assertEqual(serializer.object, data)
# def test_bulk_create_errors(self):
# """
# Correct bulk update serialization should return the input data.
# """
# data = [
# {
# 'id': 0,
# 'title': 'The electric kool-aid acid test',
# 'author': 'Tom Wolfe'
# }, {
# 'id': 1,
# 'title': 'If this is a man',
# 'author': 'Primo Levi'
# }, {
# 'id': 'foo',
# 'title': 'The wind-up bird chronicle',
# 'author': 'Haruki Murakami'
# }
# ]
# expected_errors = [
# {},
# {},
# {'id': ['Enter a whole number.']}
# ]
# serializer = self.BookSerializer(data=data, many=True)
# self.assertEqual(serializer.is_valid(), False)
# self.assertEqual(serializer.errors, expected_errors)
# def test_invalid_list_datatype(self):
# """
# Data containing list of incorrect data type should return errors.
# """
# data = ['foo', 'bar', 'baz']
# serializer = self.BookSerializer(data=data, many=True)
# self.assertEqual(serializer.is_valid(), False)
# expected_errors = [
# {'non_field_errors': ['Invalid data']},
# {'non_field_errors': ['Invalid data']},
# {'non_field_errors': ['Invalid data']}
# ]
# self.assertEqual(serializer.errors, expected_errors)
# def test_invalid_single_datatype(self):
# """
# Data containing a single incorrect data type should return errors.
# """
# data = 123
# serializer = self.BookSerializer(data=data, many=True)
# self.assertEqual(serializer.is_valid(), False)
# expected_errors = {'non_field_errors': ['Expected a list of items.']}
# self.assertEqual(serializer.errors, expected_errors)
# def test_invalid_single_object(self):
# """
# Data containing only a single object, instead of a list of objects
# should return errors.
# """
# data = {
# 'id': 0,
# 'title': 'The electric kool-aid acid test',
# 'author': 'Tom Wolfe'
# }
# serializer = self.BookSerializer(data=data, many=True)
# self.assertEqual(serializer.is_valid(), False)
# expected_errors = {'non_field_errors': ['Expected a list of items.']}
# self.assertEqual(serializer.errors, expected_errors)
# class BulkUpdateSerializerTests(TestCase):
# """
# Updating multiple instances using serializers.
# """
# def setUp(self):
# class Book(object):
# """
# A data type that can be persisted to a mock storage backend
# with `.save()` and `.delete()`.
# """
# object_map = {}
# def __init__(self, id, title, author):
# self.id = id
# self.title = title
# self.author = author
# def save(self):
# Book.object_map[self.id] = self
# def delete(self):
# del Book.object_map[self.id]
# class BookSerializer(serializers.Serializer):
# id = serializers.IntegerField()
# title = serializers.CharField(max_length=100)
# author = serializers.CharField(max_length=100)
# def restore_object(self, attrs, instance=None):
# if instance:
# instance.id = attrs['id']
# instance.title = attrs['title']
# instance.author = attrs['author']
# return instance
# return Book(**attrs)
# self.Book = Book
# self.BookSerializer = BookSerializer
# data = [
# {
# 'id': 0,
# 'title': 'The electric kool-aid acid test',
# 'author': 'Tom Wolfe'
# }, {
# 'id': 1,
# 'title': 'If this is a man',
# 'author': 'Primo Levi'
# }, {
# 'id': 2,
# 'title': 'The wind-up bird chronicle',
# 'author': 'Haruki Murakami'
# }
# ]
# for item in data:
# book = Book(item['id'], item['title'], item['author'])
# book.save()
# def books(self):
# """
# Return all the objects in the mock storage backend.
# """
# return self.Book.object_map.values()
# def test_bulk_update_success(self):
# """
# Correct bulk update serialization should return the input data.
# """
# data = [
# {
# 'id': 0,
# 'title': 'The electric kool-aid acid test',
# 'author': 'Tom Wolfe'
# }, {
# 'id': 2,
# 'title': 'Kafka on the shore',
# 'author': 'Haruki Murakami'
# }
# ]
# serializer = self.BookSerializer(self.books(), data=data, many=True, allow_add_remove=True)
# self.assertEqual(serializer.is_valid(), True)
# self.assertEqual(serializer.data, data)
# serializer.save()
# new_data = self.BookSerializer(self.books(), many=True).data
# self.assertEqual(data, new_data)
# def test_bulk_update_and_create(self):
# """
# Bulk update serialization may also include created items.
# """
# data = [
# {
# 'id': 0,
# 'title': 'The electric kool-aid acid test',
# 'author': 'Tom Wolfe'
# }, {
# 'id': 3,
# 'title': 'Kafka on the shore',
# 'author': 'Haruki Murakami'
# }
# ]
# serializer = self.BookSerializer(self.books(), data=data, many=True, allow_add_remove=True)
# self.assertEqual(serializer.is_valid(), True)
# self.assertEqual(serializer.data, data)
# serializer.save()
# new_data = self.BookSerializer(self.books(), many=True).data
# self.assertEqual(data, new_data)
# def test_bulk_update_invalid_create(self):
# """
# Bulk update serialization without allow_add_remove may not create items.
# """
# data = [
# {
# 'id': 0,
# 'title': 'The electric kool-aid acid test',
# 'author': 'Tom Wolfe'
# }, {
# 'id': 3,
# 'title': 'Kafka on the shore',
# 'author': 'Haruki Murakami'
# }
# ]
# expected_errors = [
# {},
# {'non_field_errors': ['Cannot create a new item, only existing items may be updated.']}
# ]
# serializer = self.BookSerializer(self.books(), data=data, many=True)
# self.assertEqual(serializer.is_valid(), False)
# self.assertEqual(serializer.errors, expected_errors)
# def test_bulk_update_error(self):
# """
# Incorrect bulk update serialization should return error data.
# """
# data = [
# {
# 'id': 0,
# 'title': 'The electric kool-aid acid test',
# 'author': 'Tom Wolfe'
# }, {
# 'id': 'foo',
# 'title': 'Kafka on the shore',
# 'author': 'Haruki Murakami'
# }
# ]
# expected_errors = [
# {},
# {'id': ['Enter a whole number.']}
# ]
# serializer = self.BookSerializer(self.books(), data=data, many=True, allow_add_remove=True)
# self.assertEqual(serializer.is_valid(), False)
# self.assertEqual(serializer.errors, expected_errors)
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