index : angular.js	g3_v1_0 g3_v1_2 g3_v1_3 master nganimate-docs-at-symbol-HTML-entity-to-character v0.9.x v1.0.x v1.2.x

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path: root/docs/spec/specs.js

Age	Commit message (Expand)	Author
2012-01-10	chore(specs.js): remove unused dependency	Misko Hevery
2011-10-18	fix(gen-docs): require files without touching PATH	Vojta Jina
2011-10-11	chore(formating): clean code to be function() {	Misko Hevery
2011-01-10	complete rewrite of documentation generation	Misko Hevery

generated by cgit v1.2.3 (git 2.25.1) at 2025-12-18 06:54:15 +0000

from __future__ import unicode_literals
from django.utils.datastructures import MultiValueDict
from django.test import TestCase
from rest_framework import serializers
from rest_framework.tests.models import (HasPositiveIntegerAsChoice, Album, ActionItem, Anchor, BasicModel,
    BlankFieldModel, BlogPost, Book, CallableDefaultValueModel, DefaultValueModel,
    ManyToManyModel, Person, ReadOnlyManyToManyModel, Photo)
import datetime
import pickle


class SubComment(object):
    def __init__(self, sub_comment):
        self.sub_comment = sub_comment


class Comment(object):
    def __init__(self, email, content, created):
        self.email = email
        self.content = content
        self.created = created or datetime.datetime.now()

    def __eq__(self, other):
        return all([getattr(self, attr) == getattr(other, attr)
                    for attr in ('email', 'content', 'created')])

    def get_sub_comment(self):
        sub_comment = SubComment('And Merry Christmas!')
        return sub_comment


class CommentSerializer(serializers.Serializer):
    email = serializers.EmailField()
    content = serializers.CharField(max_length=1000)
    created = serializers.DateTimeField()
    sub_comment = serializers.Field(source='get_sub_comment.sub_comment')

    def restore_object(self, data, instance=None):
        if instance is None:
            return Comment(**data)
        for key, val in data.items():
            setattr(instance, key, val)
        return instance


class BookSerializer(serializers.ModelSerializer):
    isbn = serializers.RegexField(regex=r'^[0-9]{13}$', error_messages={'invalid': 'isbn has to be exact 13 numbers'})

    class Meta:
        model = Book


class ActionItemSerializer(serializers.ModelSerializer):

    class Meta:
        model = ActionItem


class ActionItemSerializerCustomRestore(serializers.ModelSerializer):

    class Meta:
        model = ActionItem

    def restore_object(self, data, instance=None):
        if instance is None:
            return ActionItem(**data)
        for key, val in data.items():
            setattr(instance, key, val)
        return instance


class PersonSerializer(serializers.ModelSerializer):
    info = serializers.Field(source='info')

    class Meta:
        model = Person
        fields = ('name', 'age', 'info')
        read_only_fields = ('age',)


class AlbumsSerializer(serializers.ModelSerializer):

    class Meta:
        model = Album
        fields = ['title']  # lists are also valid options


class PositiveIntegerAsChoiceSerializer(serializers.ModelSerializer):
    class Meta:
        model = HasPositiveIntegerAsChoice
        fields = ['some_integer']


class BasicTests(TestCase):
    def setUp(self):
        self.comment = Comment(
            'tom@example.com',
            'Happy new year!',
            datetime.datetime(2012, 1, 1)
        )
        self.data = {
            'email': 'tom@example.com',
            'content': 'Happy new year!',
            'created': datetime.datetime(2012, 1, 1),
            'sub_comment': 'This wont change'
        }
        self.expected = {
            'email': 'tom@example.com',
            'content': 'Happy new year!',
            'created': datetime.datetime(2012, 1, 1),
            'sub_comment': 'And Merry Christmas!'
        }
        self.person_data = {'name': 'dwight', 'age': 35}
        self.person = Person(**self.person_data)
        self.person.save()

    def test_empty(self):
        serializer = CommentSerializer()
        expected = {
            'email': '',
            'content': '',
            'created': None,
            'sub_comment': ''
        }
        self.assertEquals(serializer.data, expected)

    def test_retrieve(self):
        serializer = CommentSerializer(self.comment)
        self.assertEquals(serializer.data, self.expected)

    def test_create(self):
        serializer = CommentSerializer(data=self.data)
        expected = self.comment
        self.assertEquals(serializer.is_valid(), True)
        self.assertEquals(serializer.object, expected)
        self.assertFalse(serializer.object is expected)
        self.assertEquals(serializer.data['sub_comment'], 'And Merry Christmas!')

    def test_update(self):
        serializer = CommentSerializer(self.comment, data=self.data)
        expected = self.comment
        self.assertEquals(serializer.is_valid(), True)
        self.assertEquals(serializer.object, expected)
        self.assertTrue(serializer.object is expected)
        self.assertEquals(serializer.data['sub_comment'], 'And Merry Christmas!')

    def test_partial_update(self):
        msg = 'Merry New Year!'
        partial_data = {'content': msg}
        serializer = CommentSerializer(self.comment, data=partial_data)
        self.assertEquals(serializer.is_valid(), False)
        serializer = CommentSerializer(self.comment, data=partial_data, partial=True)
        expected = self.comment
        self.assertEqual(serializer.is_valid(), True)
        self.assertEquals(serializer.object, expected)
        self.assertTrue(serializer.object is expected)
        self.assertEquals(serializer.data['content'], msg)

    def test_model_fields_as_expected(self):
        """
        Make sure that the fields returned are the same as defined
        in the Meta data
        """
        serializer = PersonSerializer(self.person)
        self.assertEquals(set(serializer.data.keys()),
                          set(['name', 'age', 'info']))

    def test_field_with_dictionary(self):
        """
        Make sure that dictionaries from fields are left intact
        """
        serializer = PersonSerializer(self.person)
        expected = self.person_data
        self.assertEquals(serializer.data['info'], expected)

    def test_read_only_fields(self):
        """
        Attempting to update fields set as read_only should have no effect.
        """
        serializer = PersonSerializer(self.person, data={'name': 'dwight', 'age': 99})
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()
        self.assertEquals(serializer.errors, {})
        # Assert age is unchanged (35)
        self.assertEquals(instance.age, self.person_data['age'])


class DictStyleSerializer(serializers.Serializer):
    """
    Note that we don't have any `restore_object` method, so the default
    case of simply returning a dict will apply.
    """
    email = serializers.EmailField()


class DictStyleSerializerTests(TestCase):
    def test_dict_style_deserialize(self):
        """
        Ensure serializers can deserialize into a dict.
        """
        data = {'email': 'foo@example.com'}
        serializer = DictStyleSerializer(data=data)
        self.assertTrue(serializer.is_valid())
        self.assertEquals(serializer.data, data)

    def test_dict_style_serialize(self):
        """
        Ensure serializers can serialize dict objects.
        """
        data = {'email': 'foo@example.com'}
        serializer = DictStyleSerializer(data)
        self.assertEquals(serializer.data, data)


class ValidationTests(TestCase):
    def setUp(self):
        self.comment = Comment(
            'tom@example.com',
            'Happy new year!',
            datetime.datetime(2012, 1, 1)
        )
        self.data = {
            'email': 'tom@example.com',
            'content': 'x' * 1001,
            'created': datetime.datetime(2012, 1, 1)
        }
        self.actionitem = ActionItem(title='Some to do item',)

    def test_create(self):
        serializer = CommentSerializer(data=self.data)
        self.assertEquals(serializer.is_valid(), False)
        self.assertEquals(serializer.errors, {'content': ['Ensure this value has at most 1000 characters (it has 1001).']})

    def test_update(self):
        serializer = CommentSerializer(self.comment, data=self.data)
        self.assertEquals(serializer.is_valid(), False)
        self.assertEquals(serializer.errors, {'content': ['Ensure this value has at most 1000 characters (it has 1001).']})

    def test_update_missing_field(self):
        data = {
            'content': 'xxx',
            'created': datetime.datetime(2012, 1, 1)
        }
        serializer = CommentSerializer(self.comment, data=data)
        self.assertEquals(serializer.is_valid(), False)
        self.assertEquals(serializer.errors, {'email': ['This field is required.']})

    def test_missing_bool_with_default(self):
        """Make sure that a boolean value with a 'False' value is not
        mistaken for not having a default."""
        data = {
            'title': 'Some action item',
            #No 'done' value.
        }
        serializer = ActionItemSerializer(self.actionitem, data=data)
        self.assertEquals(serializer.is_valid(), True)
        self.assertEquals(serializer.errors, {})

    def test_bad_type_data_is_false(self):
        """
        Data of the wrong type is not valid.
        """
        data = ['i am', 'a', 'list']
        serializer = CommentSerializer(self.comment, data=data)
        self.assertEquals(serializer.is_valid(), False)
        self.assertEquals(serializer.errors, {'non_field_errors': ['Invalid data']})

        data = 'and i am a string'
        serializer = CommentSerializer(self.comment, data=data)
        self.assertEquals(serializer.is_valid(), False)
        self.assertEquals(serializer.errors, {'non_field_errors': ['Invalid data']})

        data = 42
        serializer = CommentSerializer(self.comment, data=data)
        self.assertEquals(serializer.is_valid(), False)
        self.assertEquals(serializer.errors, {'non_field_errors': ['Invalid data']})

    def test_cross_field_validation(self):

        class CommentSerializerWithCrossFieldValidator(CommentSerializer):

            def validate(self, attrs):
                if attrs["email"] not in attrs["content"]:
                    raise serializers.ValidationError("Email address not in content")
                return attrs

        data = {
            'email': 'tom@example.com',
            'content': 'A comment from tom@example.com',
            'created': datetime.datetime(2012, 1, 1)
        }

        serializer = CommentSerializerWithCrossFieldValidator(data=data)
        self.assertTrue(serializer.is_valid())

        data['content'] = 'A comment from foo@bar.com'

        serializer = CommentSerializerWithCrossFieldValidator(data=data)
        self.assertFalse(serializer.is_valid())
        self.assertEquals(serializer.errors, {'non_field_errors': ['Email address not in content']})

    def test_null_is_true_fields(self):
        """
        Omitting a value for null-field should validate.
        """
        serializer = PersonSerializer(data={'name': 'marko'})
        self.assertEquals(serializer.is_valid(), True)
        self.assertEquals(serializer.errors, {})

    def test_modelserializer_max_length_exceeded(self):
        data = {
            'title': 'x' * 201,
        }
        serializer = ActionItemSerializer(data=data)
        self.assertEquals(serializer.is_valid(), False)
        self.assertEquals(serializer.errors, {'title': ['Ensure this value has at most 200 characters (it has 201).']})

    def test_modelserializer_max_length_exceeded_with_custom_restore(self):
        """
        When overriding ModelSerializer.restore_object, validation tests should still apply.
        Regression test for #623.

        https://github.com/tomchristie/django-rest-framework/pull/623
        """
        data = {
            'title': 'x' * 201,
        }
        serializer = ActionItemSerializerCustomRestore(data=data)
        self.assertEquals(serializer.is_valid(), False)
        self.assertEquals(serializer.errors, {'title': ['Ensure this value has at most 200 characters (it has 201).']})

    def test_default_modelfield_max_length_exceeded(self):
        data = {
            'title': 'Testing "info" field...',
            'info': 'x' * 13,
        }
        serializer = ActionItemSerializer(data=data)
        self.assertEquals(serializer.is_valid(), False)
        self.assertEquals(serializer.errors, {'info': ['Ensure this value has at most 12 characters (it has 13).']})


class CustomValidationTests(TestCase):
    class CommentSerializerWithFieldValidator(CommentSerializer):

        def validate_email(self, attrs, source):
            value = attrs[source]

            return attrs

        def validate_content(self, attrs, source):
            value = attrs[source]
            if "test" not in value:
                raise serializers.ValidationError("Test not in value")
            return attrs

    def test_field_validation(self):
        data = {
            'email': 'tom@example.com',
            'content': 'A test comment',
            'created': datetime.datetime(2012, 1, 1)
        }

        serializer = self.CommentSerializerWithFieldValidator(data=data)
        self.assertTrue(serializer.is_valid())

        data['content'] = 'This should not validate'

        serializer = self.CommentSerializerWithFieldValidator(data=data)
        self.assertFalse(serializer.is_valid())
        self.assertEquals(serializer.errors, {'content': ['Test not in value']})

    def test_missing_data(self):
        """
        Make sure that validate_content isn't called if the field is missing
        """
        incomplete_data = {
            'email': 'tom@example.com',
            'created': datetime.datetime(2012, 1, 1)
        }
        serializer = self.CommentSerializerWithFieldValidator(data=incomplete_data)
        self.assertFalse(serializer.is_valid())
        self.assertEquals(serializer.errors, {'content': ['This field is required.']})

    def test_wrong_data(self):
        """
        Make sure that validate_content isn't called if the field input is wrong
        """
        wrong_data = {
            'email': 'not an email',
            'content': 'A test comment',
            'created': datetime.datetime(2012, 1, 1)
        }
        serializer = self.CommentSerializerWithFieldValidator(data=wrong_data)
        self.assertFalse(serializer.is_valid())
        self.assertEquals(serializer.errors, {'email': ['Enter a valid e-mail address.']})


class PositiveIntegerAsChoiceTests(TestCase):
    def test_positive_integer_in_json_is_correctly_parsed(self):
        data = {'some_integer': 1}
        serializer = PositiveIntegerAsChoiceSerializer(data=data)
        self.assertEquals(serializer.is_valid(), True)


class ModelValidationTests(TestCase):
    def test_validate_unique(self):
        """
        Just check if serializers.ModelSerializer handles unique checks via .full_clean()
        """
        serializer = AlbumsSerializer(data={'title': 'a'})
        serializer.is_valid()
        serializer.save()
        second_serializer = AlbumsSerializer(data={'title': 'a'})
        self.assertFalse(second_serializer.is_valid())
        self.assertEqual(second_serializer.errors,  {'title': ['Album with this Title already exists.']})

    def test_foreign_key_with_partial(self):
        """
        Test ModelSerializer validation with partial=True

        Specifically test foreign key validation.
        """

        album = Album(title='test')
        album.save()

        class PhotoSerializer(serializers.ModelSerializer):
            class Meta:
                model = Photo

        photo_serializer = PhotoSerializer(data={'description': 'test', 'album': album.pk})
        self.assertTrue(photo_serializer.is_valid())
        photo = photo_serializer.save()

        # Updating only the album (foreign key)
        photo_serializer = PhotoSerializer(instance=photo, data={'album': album.pk}, partial=True)
        self.assertTrue(photo_serializer.is_valid())
        self.assertTrue(photo_serializer.save())

        # Updating only the description
        photo_serializer = PhotoSerializer(instance=photo,
                                           data={'description': 'new'},
                                           partial=True)

        self.assertTrue(photo_serializer.is_valid())
        self.assertTrue(photo_serializer.save())


class RegexValidationTest(TestCase):
    def test_create_failed(self):
        serializer = BookSerializer(data={'isbn': '1234567890'})
        self.assertFalse(serializer.is_valid())
        self.assertEquals(serializer.errors, {'isbn': ['isbn has to be exact 13 numbers']})

        serializer = BookSerializer(data={'isbn': '12345678901234'})
        self.assertFalse(serializer.is_valid())
        self.assertEquals(serializer.errors, {'isbn': ['isbn has to be exact 13 numbers']})

        serializer = BookSerializer(data={'isbn': 'abcdefghijklm'})
        self.assertFalse(serializer.is_valid())
        self.assertEquals(serializer.errors, {'isbn': ['isbn has to be exact 13 numbers']})

    def test_create_success(self):
        serializer = BookSerializer(data={'isbn': '1234567890123'})
        self.assertTrue(serializer.is_valid())


class MetadataTests(TestCase):
    def test_empty(self):
        serializer = CommentSerializer()
        expected = {
            'email': serializers.CharField,
            'content': serializers.CharField,
            'created': serializers.DateTimeField
        }
        for field_name, field in expected.items():
            self.assertTrue(isinstance(serializer.data.fields[field_name], field))


class ManyToManyTests(TestCase):
    def setUp(self):
        class ManyToManySerializer(serializers.ModelSerializer):
            class Meta:
                model = ManyToManyModel

        self.serializer_class = ManyToManySerializer

        # An anchor instance to use for the relationship
        self.anchor = Anchor()
        self.anchor.save()

        # A model instance with a many to many relationship to the anchor
        self.instance = ManyToManyModel()
        self.instance.save()
        self.instance.rel.add(self.anchor)

        # A serialized representation of the model instance
        self.data = {'id': 1, 'rel': [self.anchor.id]}

    def test_retrieve(self):
        """
        Serialize an instance of a model with a ManyToMany relationship.
        """
        serializer = self.serializer_class(instance=self.instance)
        expected = self.data
        self.assertEquals(serializer.data, expected)

    def test_create(self):
        """
        Create an instance of a model with a ManyToMany relationship.
        """
        data = {'rel': [self.anchor.id]}
        serializer = self.serializer_class(data=data)
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()
        self.assertEquals(len(ManyToManyModel.objects.all()), 2)
        self.assertEquals(instance.pk, 2)
        self.assertEquals(list(instance.rel.all()), [self.anchor])

    def test_update(self):
        """
        Update an instance of a model with a ManyToMany relationship.
        """
        new_anchor = Anchor()
        new_anchor.save()
        data = {'rel': [self.anchor.id, new_anchor.id]}
        serializer = self.serializer_class(self.instance, data=data)
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()
        self.assertEquals(len(ManyToManyModel.objects.all()), 1)
        self.assertEquals(instance.pk, 1)
        self.assertEquals(list(instance.rel.all()), [self.anchor, new_anchor])

    def test_create_empty_relationship(self):
        """
        Create an instance of a model with a ManyToMany relationship,
        containing no items.
        """
        data = {'rel': []}
        serializer = self.serializer_class(data=data)
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()
        self.assertEquals(len(ManyToManyModel.objects.all()), 2)
        self.assertEquals(instance.pk, 2)
        self.assertEquals(list(instance.rel.all()), [])

    def test_update_empty_relationship(self):
        """
        Update an instance of a model with a ManyToMany relationship,
        containing no items.
        """
        new_anchor = Anchor()
        new_anchor.save()
        data = {'rel': []}
        serializer = self.serializer_class(self.instance, data=data)
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()
        self.assertEquals(len(ManyToManyModel.objects.all()), 1)
        self.assertEquals(instance.pk, 1)
        self.assertEquals(list(instance.rel.all()), [])

    def test_create_empty_relationship_flat_data(self):
        """
        Create an instance of a model with a ManyToMany relationship,
        containing no items, using a representation that does not support
        lists (eg form data).
        """
        data = MultiValueDict()
        data.setlist('rel', [''])
        serializer = self.serializer_class(data=data)
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()
        self.assertEquals(len(ManyToManyModel.objects.all()), 2)
        self.assertEquals(instance.pk, 2)
        self.assertEquals(list(instance.rel.all()), [])


class ReadOnlyManyToManyTests(TestCase):
    def setUp(self):
        class ReadOnlyManyToManySerializer(serializers.ModelSerializer):
            rel = serializers.RelatedField(many=True, read_only=True)

            class Meta:
                model = ReadOnlyManyToManyModel

        self.serializer_class = ReadOnlyManyToManySerializer

        # An anchor instance to use for the relationship
        self.anchor = Anchor()
        self.anchor.save()

        # A model instance with a many to many relationship to the anchor
        self.instance = ReadOnlyManyToManyModel()
        self.instance.save()
        self.instance.rel.add(self.anchor)

        # A serialized representation of the model instance
        self.data = {'rel': [self.anchor.id], 'id': 1, 'text': 'anchor'}

    def test_update(self):
        """
        Attempt to update an instance of a model with a ManyToMany
        relationship.  Not updated due to read_only=True
        """
        new_anchor = Anchor()
        new_anchor.save()
        data = {'rel': [self.anchor.id, new_anchor.id]}
        serializer = self.serializer_class(self.instance, data=data)
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()
        self.assertEquals(len(ReadOnlyManyToManyModel.objects.all()), 1)
        self.assertEquals(instance.pk, 1)
        # rel is still as original (1 entry)
        self.assertEquals(list(instance.rel.all()), [self.anchor])

    def test_update_without_relationship(self):
        """
        Attempt to update an instance of a model where many to ManyToMany
        relationship is not supplied.  Not updated due to read_only=True
        """
        new_anchor = Anchor()
        new_anchor.save()
        data = {}
        serializer = self.serializer_class(self.instance, data=data)
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()
        self.assertEquals(len(ReadOnlyManyToManyModel.objects.all()), 1)
        self.assertEquals(instance.pk, 1)
        # rel is still as original (1 entry)
        self.assertEquals(list(instance.rel.all()), [self.anchor])


class DefaultValueTests(TestCase):
    def setUp(self):
        class DefaultValueSerializer(serializers.ModelSerializer):
            class Meta:
                model = DefaultValueModel

        self.serializer_class = DefaultValueSerializer
        self.objects = DefaultValueModel.objects

    def test_create_using_default(self):
        data = {}
        serializer = self.serializer_class(data=data)
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()
        self.assertEquals(len(self.objects.all()), 1)
        self.assertEquals(instance.pk, 1)
        self.assertEquals(instance.text, 'foobar')

    def test_create_overriding_default(self):
        data = {'text': 'overridden'}
        serializer = self.serializer_class(data=data)
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()
        self.assertEquals(len(self.objects.all()), 1)
        self.assertEquals(instance.pk, 1)
        self.assertEquals(instance.text, 'overridden')

    def test_partial_update_default(self):
        """ Regression test for issue #532 """
        data = {'text': 'overridden'}
        serializer = self.serializer_class(data=data, partial=True)
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()

        data = {'extra': 'extra_value'}
        serializer = self.serializer_class(instance=instance, data=data, partial=True)
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()

        self.assertEquals(instance.extra, 'extra_value')
        self.assertEquals(instance.text, 'overridden')


class CallableDefaultValueTests(TestCase):
    def setUp(self):
        class CallableDefaultValueSerializer(serializers.ModelSerializer):
            class Meta:
                model = CallableDefaultValueModel

        self.serializer_class = CallableDefaultValueSerializer
        self.objects = CallableDefaultValueModel.objects

    def test_create_using_default(self):
        data = {}
        serializer = self.serializer_class(data=data)
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()
        self.assertEquals(len(self.objects.all()), 1)
        self.assertEquals(instance.pk, 1)
        self.assertEquals(instance.text, 'foobar')

    def test_create_overriding_default(self):
        data = {'text': 'overridden'}
        serializer = self.serializer_class(data=data)
        self.assertEquals(serializer.is_valid(), True)
        instance = serializer.save()
        self.assertEquals(len(