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118 lines
3.6 KiB
Python
118 lines
3.6 KiB
Python
"""
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Tests to cover bulk create and update using serializers.
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"""
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from django.test import TestCase
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from rest_framework import serializers
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class BulkCreateSerializerTests(TestCase):
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"""
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Creating multiple instances using serializers.
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"""
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def setUp(self):
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class BookSerializer(serializers.Serializer):
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id = serializers.IntegerField()
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title = serializers.CharField(max_length=100)
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author = serializers.CharField(max_length=100)
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self.BookSerializer = BookSerializer
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def test_bulk_create_success(self):
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"""
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Correct bulk update serialization should return the input data.
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"""
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data = [
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{
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'id': 0,
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'title': 'The electric kool-aid acid test',
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'author': 'Tom Wolfe'
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}, {
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'id': 1,
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'title': 'If this is a man',
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'author': 'Primo Levi'
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}, {
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'id': 2,
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'title': 'The wind-up bird chronicle',
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'author': 'Haruki Murakami'
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}
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]
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serializer = self.BookSerializer(data=data, many=True)
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assert serializer.is_valid() is True
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assert serializer.validated_data == data
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assert serializer.errors == []
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def test_bulk_create_errors(self):
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"""
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Incorrect bulk create serialization should return errors.
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"""
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data = [
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{
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'id': 0,
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'title': 'The electric kool-aid acid test',
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'author': 'Tom Wolfe'
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}, {
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'id': 1,
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'title': 'If this is a man',
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'author': 'Primo Levi'
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}, {
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'id': 'foo',
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'title': 'The wind-up bird chronicle',
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'author': 'Haruki Murakami'
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}
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]
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expected_errors = {
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2: {'id': ['A valid integer is required.']}
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}
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serializer = self.BookSerializer(data=data, many=True)
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assert serializer.is_valid() is False
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assert serializer.errors == expected_errors
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assert serializer.validated_data == []
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def test_invalid_list_datatype(self):
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"""
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Data containing list of incorrect data type should return errors.
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"""
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data = ['foo', 'bar', 'baz']
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serializer = self.BookSerializer(data=data, many=True)
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assert serializer.is_valid() is False
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message = 'Invalid data. Expected a dictionary, but got str.'
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expected_errors = {idx: {'non_field_errors': [message]} for idx in range(len(data))}
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assert serializer.errors == expected_errors
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def test_invalid_single_datatype(self):
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"""
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Data containing a single incorrect data type should return errors.
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"""
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data = 123
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serializer = self.BookSerializer(data=data, many=True)
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assert serializer.is_valid() is False
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expected_errors = {'non_field_errors': ['Expected a list of items but got type "int".']}
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assert serializer.errors == expected_errors
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def test_invalid_single_object(self):
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"""
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Data containing only a single object, instead of a list of objects
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should return errors.
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"""
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data = {
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'id': 0,
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'title': 'The electric kool-aid acid test',
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'author': 'Tom Wolfe'
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}
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serializer = self.BookSerializer(data=data, many=True)
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assert serializer.is_valid() is False
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expected_errors = {'non_field_errors': ['Expected a list of items but got type "dict".']}
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assert serializer.errors == expected_errors
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