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	Thanks to Jon Dufresne (@jdufresne) for review. Co-authored-by: Asif Saif Uddin <auvipy@gmail.com> Co-authored-by: Rizwan Mansuri <Rizwan@webbyfox.com>
		
			
				
	
	
		
			124 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			3.7 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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            {},
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            {},
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            {'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 = [
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            {'non_field_errors': [message]},
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            {'non_field_errors': [message]},
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            {'non_field_errors': [message]}
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        ]
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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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