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adds test for missing but required many-to-many relationship value
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@ -3,6 +3,7 @@ General tests for relational fields.
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"""
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from __future__ import unicode_literals
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from django import get_version
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from django.core.exceptions import ValidationError
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from django.db import models
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from django.test import TestCase
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from django.utils import unittest
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@ -43,12 +44,28 @@ class TestManyRelatedMixin(TestCase):
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https://github.com/tomchristie/django-rest-framework/pull/632
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'''
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field = serializers.RelatedField(many=True, read_only=False)
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field = serializers.RelatedField(many=True, read_only=False, required=False)
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into = {}
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field.field_from_native({}, None, 'field_name', into)
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self.assertEqual(into['field_name'], [])
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def test_missing_required_many_to_many_related_field(self):
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'''
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Missing but required many-to-many relationship should cause
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ValidationError
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'''
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field = serializers.RelatedField(many=True, read_only=False)
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into = {}
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self.assertRaisesMessage(
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ValidationError,
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"This field is required.",
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field.field_from_native,
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{}, None, 'field_name', into
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)
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self.assertDictEqual(into, {})
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# Regression tests for #694 (`source` attribute on related fields)
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