321 lines
10 KiB
Python
321 lines
10 KiB
Python
from django.utils.datastructures import MultiValueDict
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from rest_framework import serializers
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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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class TestListSerializerClass:
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"""Tests for a custom list_serializer_class."""
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def test_list_serializer_class_validate(self):
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class CustomListSerializer(serializers.ListSerializer):
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def validate(self, attrs):
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raise serializers.ValidationError('Non field error')
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class TestSerializer(serializers.Serializer):
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class Meta:
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list_serializer_class = CustomListSerializer
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serializer = TestSerializer(data=[], many=True)
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assert not serializer.is_valid()
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assert serializer.errors == {'non_field_errors': ['Non field error']}
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class TestSerializerPartialUsage:
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"""
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When not submitting key for list fields or multiple choice, partial
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serialization should result in an empty state (key not there), not
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an empty list.
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Regression test for Github issue #2761.
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"""
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def test_partial_listfield(self):
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class ListSerializer(serializers.Serializer):
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listdata = serializers.ListField()
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serializer = ListSerializer(data=MultiValueDict(), partial=True)
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result = serializer.to_internal_value(data={})
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assert "listdata" not in result
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assert serializer.is_valid()
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assert serializer.validated_data == {}
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assert serializer.errors == {}
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def test_partial_multiplechoice(self):
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class MultipleChoiceSerializer(serializers.Serializer):
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multiplechoice = serializers.MultipleChoiceField(choices=[1, 2, 3])
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serializer = MultipleChoiceSerializer(data=MultiValueDict(), partial=True)
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result = serializer.to_internal_value(data={})
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assert "multiplechoice" not in result
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assert serializer.is_valid()
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assert serializer.validated_data == {}
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assert serializer.errors == {}
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