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https://github.com/encode/django-rest-framework.git
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Tests & fixes for list serialization
This commit is contained in:
Tom Christie
parent
4e001dbb7a
commit
db1dd8e240
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@ -2,6 +2,7 @@
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Helpers for dealing with HTML input.
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"""
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import re
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from django.utils.datastructures import MultiValueDict
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def is_html_input(dictionary):
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@ -43,7 +44,6 @@ def parse_html_list(dictionary, prefix=''):
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{'foo': 'hij', 'bar': 'klm'}
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]
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"""
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Dict = type(dictionary)
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ret = {}
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regex = re.compile(r'^%s\[([0-9]+)\](.*)$' % re.escape(prefix))
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for field, value in dictionary.items():
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@ -57,7 +57,7 @@ def parse_html_list(dictionary, prefix=''):
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elif isinstance(ret.get(index), dict):
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ret[index][key] = value
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else:
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ret[index] = Dict({key: value})
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ret[index] = MultiValueDict({key: [value]})
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return [ret[item] for item in sorted(ret.keys())]
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274
tests/test_serializer_lists.py
Normal file
274
tests/test_serializer_lists.py
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@ -0,0 +1,274 @@
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from rest_framework import serializers
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from django.utils.datastructures import MultiValueDict
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class BasicObject:
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"""
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A mock object for testing serializer save behavior.
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"""
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def __init__(self, **kwargs):
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self._data = kwargs
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for key, value in kwargs.items():
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setattr(self, key, value)
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def __eq__(self, other):
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if self._data.keys() != other._data.keys():
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return False
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for key in self._data.keys():
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if self._data[key] != other._data[key]:
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return False
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return True
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class TestListSerializer:
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"""
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Tests for using a ListSerializer as a top-level serializer.
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Note that this is in contrast to using ListSerializer as a field.
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"""
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def setup(self):
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class IntegerListSerializer(serializers.ListSerializer):
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child = serializers.IntegerField()
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self.Serializer = IntegerListSerializer
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def test_validate(self):
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"""
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Validating a list of items should return a list of validated items.
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"""
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input_data = ["123", "456"]
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expected_output = [123, 456]
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serializer = self.Serializer(data=input_data)
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assert serializer.is_valid()
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assert serializer.validated_data == expected_output
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def test_validate_html_input(self):
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"""
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HTML input should be able to mock list structures using [x] style ids.
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"""
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input_data = MultiValueDict({"[0]": ["123"], "[1]": ["456"]})
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expected_output = [123, 456]
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serializer = self.Serializer(data=input_data)
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assert serializer.is_valid()
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assert serializer.validated_data == expected_output
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class TestListSerializerContainingNestedSerializer:
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"""
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Tests for using a ListSerializer containing another serializer.
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"""
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def setup(self):
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class TestSerializer(serializers.Serializer):
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integer = serializers.IntegerField()
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boolean = serializers.BooleanField()
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def create(self, validated_data):
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return BasicObject(**validated_data)
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class ObjectListSerializer(serializers.ListSerializer):
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child = TestSerializer()
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self.Serializer = ObjectListSerializer
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def test_validate(self):
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"""
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Validating a list of dictionaries should return a list of
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validated dictionaries.
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"""
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input_data = [
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{"integer": "123", "boolean": "true"},
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{"integer": "456", "boolean": "false"}
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]
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expected_output = [
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{"integer": 123, "boolean": True},
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{"integer": 456, "boolean": False}
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]
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serializer = self.Serializer(data=input_data)
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assert serializer.is_valid()
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assert serializer.validated_data == expected_output
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def test_create(self):
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"""
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Creating from a list of dictionaries should return a list of objects.
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"""
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input_data = [
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{"integer": "123", "boolean": "true"},
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{"integer": "456", "boolean": "false"}
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]
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expected_output = [
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BasicObject(integer=123, boolean=True),
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BasicObject(integer=456, boolean=False),
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]
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serializer = self.Serializer(data=input_data)
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assert serializer.is_valid()
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assert serializer.save() == expected_output
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def test_serialize(self):
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"""
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Serialization of a list of objects should return a list of dictionaries.
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"""
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input_objects = [
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BasicObject(integer=123, boolean=True),
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BasicObject(integer=456, boolean=False)
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]
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expected_output = [
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{"integer": 123, "boolean": True},
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{"integer": 456, "boolean": False}
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]
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serializer = self.Serializer(input_objects)
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assert serializer.data == expected_output
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def test_validate_html_input(self):
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"""
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HTML input should be able to mock list structures using [x]
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style prefixes.
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"""
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input_data = MultiValueDict({
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"[0]integer": ["123"],
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"[0]boolean": ["true"],
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"[1]integer": ["456"],
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"[1]boolean": ["false"]
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})
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expected_output = [
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{"integer": 123, "boolean": True},
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{"integer": 456, "boolean": False}
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]
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serializer = self.Serializer(data=input_data)
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assert serializer.is_valid()
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assert serializer.validated_data == expected_output
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class TestNestedListSerializer:
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"""
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Tests for using a ListSerializer as a field.
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"""
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def setup(self):
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class TestSerializer(serializers.Serializer):
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integers = serializers.ListSerializer(child=serializers.IntegerField())
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booleans = serializers.ListSerializer(child=serializers.BooleanField())
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def create(self, validated_data):
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return BasicObject(**validated_data)
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self.Serializer = TestSerializer
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def test_validate(self):
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"""
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Validating a list of items should return a list of validated items.
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"""
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input_data = {
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"integers": ["123", "456"],
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"booleans": ["true", "false"]
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}
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expected_output = {
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"integers": [123, 456],
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"booleans": [True, False]
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}
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serializer = self.Serializer(data=input_data)
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assert serializer.is_valid()
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assert serializer.validated_data == expected_output
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def test_create(self):
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"""
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Creation with a list of items return an object with an attribute that
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is a list of items.
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"""
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input_data = {
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"integers": ["123", "456"],
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"booleans": ["true", "false"]
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}
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expected_output = BasicObject(
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integers=[123, 456],
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booleans=[True, False]
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)
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serializer = self.Serializer(data=input_data)
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assert serializer.is_valid()
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assert serializer.save() == expected_output
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def test_serialize(self):
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"""
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Serialization of a list of items should return a list of items.
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"""
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input_object = BasicObject(
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integers=[123, 456],
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booleans=[True, False]
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)
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expected_output = {
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"integers": [123, 456],
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"booleans": [True, False]
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}
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serializer = self.Serializer(input_object)
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assert serializer.data == expected_output
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def test_validate_html_input(self):
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"""
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HTML input should be able to mock list structures using [x]
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style prefixes.
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"""
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input_data = MultiValueDict({
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"integers[0]": ["123"],
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"integers[1]": ["456"],
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"booleans[0]": ["true"],
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"booleans[1]": ["false"]
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})
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expected_output = {
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"integers": [123, 456],
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"booleans": [True, False]
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}
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serializer = self.Serializer(data=input_data)
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assert serializer.is_valid()
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assert serializer.validated_data == expected_output
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class TestNestedListOfListsSerializer:
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def setup(self):
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class TestSerializer(serializers.Serializer):
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integers = serializers.ListSerializer(
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child=serializers.ListSerializer(
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child=serializers.IntegerField()
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)
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)
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booleans = serializers.ListSerializer(
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child=serializers.ListSerializer(
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child=serializers.BooleanField()
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)
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)
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self.Serializer = TestSerializer
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def test_validate(self):
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input_data = {
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'integers': [['123', '456'], ['789', '0']],
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'booleans': [['true', 'true'], ['false', 'true']]
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}
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expected_output = {
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"integers": [[123, 456], [789, 0]],
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"booleans": [[True, True], [False, True]]
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}
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serializer = self.Serializer(data=input_data)
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assert serializer.is_valid()
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assert serializer.validated_data == expected_output
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def test_validate_html_input(self):
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"""
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HTML input should be able to mock lists of lists using [x][y]
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style prefixes.
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"""
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input_data = MultiValueDict({
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"integers[0][0]": ["123"],
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"integers[0][1]": ["456"],
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"integers[1][0]": ["789"],
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"integers[1][1]": ["000"],
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"booleans[0][0]": ["true"],
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"booleans[0][1]": ["true"],
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"booleans[1][0]": ["false"],
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"booleans[1][1]": ["true"]
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})
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expected_output = {
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"integers": [[123, 456], [789, 0]],
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"booleans": [[True, True], [False, True]]
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}
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serializer = self.Serializer(data=input_data)
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assert serializer.is_valid()
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assert serializer.validated_data == expected_output
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