mirror of
https://github.com/encode/django-rest-framework.git
synced 2025-11-04 01:47:59 +03:00
642 lines
24 KiB
Python
642 lines
24 KiB
Python
"""
|
|
The `ModelSerializer` and `HyperlinkedModelSerializer` classes are essentially
|
|
shortcuts for automatically creating serializers based on a given model class.
|
|
|
|
These tests deal with ensuring that we correctly map the model fields onto
|
|
an appropriate set of serializer fields for each case.
|
|
"""
|
|
from __future__ import unicode_literals
|
|
from django.core.exceptions import ImproperlyConfigured
|
|
from django.core.validators import MaxValueValidator, MinValueValidator, MinLengthValidator
|
|
from django.db import models
|
|
from django.test import TestCase
|
|
from django.utils import six
|
|
from rest_framework import serializers
|
|
from rest_framework.compat import unicode_repr
|
|
|
|
|
|
def dedent(blocktext):
|
|
return '\n'.join([line[12:] for line in blocktext.splitlines()[1:-1]])
|
|
|
|
|
|
# Tests for regular field mappings.
|
|
# ---------------------------------
|
|
|
|
class CustomField(models.Field):
|
|
"""
|
|
A custom model field simply for testing purposes.
|
|
"""
|
|
pass
|
|
|
|
|
|
class OneFieldModel(models.Model):
|
|
char_field = models.CharField(max_length=100)
|
|
|
|
|
|
class RegularFieldsModel(models.Model):
|
|
"""
|
|
A model class for testing regular flat fields.
|
|
"""
|
|
auto_field = models.AutoField(primary_key=True)
|
|
big_integer_field = models.BigIntegerField()
|
|
boolean_field = models.BooleanField(default=False)
|
|
char_field = models.CharField(max_length=100)
|
|
comma_separated_integer_field = models.CommaSeparatedIntegerField(max_length=100)
|
|
date_field = models.DateField()
|
|
datetime_field = models.DateTimeField()
|
|
decimal_field = models.DecimalField(max_digits=3, decimal_places=1)
|
|
email_field = models.EmailField(max_length=100)
|
|
float_field = models.FloatField()
|
|
integer_field = models.IntegerField()
|
|
null_boolean_field = models.NullBooleanField()
|
|
positive_integer_field = models.PositiveIntegerField()
|
|
positive_small_integer_field = models.PositiveSmallIntegerField()
|
|
slug_field = models.SlugField(max_length=100)
|
|
small_integer_field = models.SmallIntegerField()
|
|
text_field = models.TextField()
|
|
time_field = models.TimeField()
|
|
url_field = models.URLField(max_length=100)
|
|
custom_field = CustomField()
|
|
|
|
def method(self):
|
|
return 'method'
|
|
|
|
|
|
COLOR_CHOICES = (('red', 'Red'), ('blue', 'Blue'), ('green', 'Green'))
|
|
|
|
|
|
class FieldOptionsModel(models.Model):
|
|
value_limit_field = models.IntegerField(validators=[MinValueValidator(1), MaxValueValidator(10)])
|
|
length_limit_field = models.CharField(validators=[MinLengthValidator(3)], max_length=12)
|
|
blank_field = models.CharField(blank=True, max_length=10)
|
|
null_field = models.IntegerField(null=True)
|
|
default_field = models.IntegerField(default=0)
|
|
descriptive_field = models.IntegerField(help_text='Some help text', verbose_name='A label')
|
|
choices_field = models.CharField(max_length=100, choices=COLOR_CHOICES)
|
|
|
|
|
|
class TestModelSerializer(TestCase):
|
|
def test_create_method(self):
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
non_model_field = serializers.CharField()
|
|
|
|
class Meta:
|
|
model = OneFieldModel
|
|
fields = ('char_field', 'non_model_field')
|
|
|
|
serializer = TestSerializer(data={
|
|
'char_field': 'foo',
|
|
'non_model_field': 'bar',
|
|
})
|
|
serializer.is_valid()
|
|
with self.assertRaises(TypeError) as excinfo:
|
|
serializer.save()
|
|
msginitial = 'Got a `TypeError` when calling `OneFieldModel.objects.create()`.'
|
|
assert str(excinfo.exception).startswith(msginitial)
|
|
|
|
|
|
class TestRegularFieldMappings(TestCase):
|
|
def test_regular_fields(self):
|
|
"""
|
|
Model fields should map to their equivelent serializer fields.
|
|
"""
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = RegularFieldsModel
|
|
|
|
expected = dedent("""
|
|
TestSerializer():
|
|
auto_field = IntegerField(read_only=True)
|
|
big_integer_field = IntegerField()
|
|
boolean_field = BooleanField(required=False)
|
|
char_field = CharField(max_length=100)
|
|
comma_separated_integer_field = CharField(max_length=100, validators=[<django.core.validators.RegexValidator object>])
|
|
date_field = DateField()
|
|
datetime_field = DateTimeField()
|
|
decimal_field = DecimalField(decimal_places=1, max_digits=3)
|
|
email_field = EmailField(max_length=100)
|
|
float_field = FloatField()
|
|
integer_field = IntegerField()
|
|
null_boolean_field = NullBooleanField(required=False)
|
|
positive_integer_field = IntegerField()
|
|
positive_small_integer_field = IntegerField()
|
|
slug_field = SlugField(max_length=100)
|
|
small_integer_field = IntegerField()
|
|
text_field = CharField(style={'base_template': 'textarea.html'})
|
|
time_field = TimeField()
|
|
url_field = URLField(max_length=100)
|
|
custom_field = ModelField(model_field=<tests.test_model_serializer.CustomField: custom_field>)
|
|
""")
|
|
self.assertEqual(unicode_repr(TestSerializer()), expected)
|
|
|
|
def test_field_options(self):
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = FieldOptionsModel
|
|
|
|
expected = dedent("""
|
|
TestSerializer():
|
|
id = IntegerField(label='ID', read_only=True)
|
|
value_limit_field = IntegerField(max_value=10, min_value=1)
|
|
length_limit_field = CharField(max_length=12, min_length=3)
|
|
blank_field = CharField(allow_blank=True, max_length=10, required=False)
|
|
null_field = IntegerField(allow_null=True, required=False)
|
|
default_field = IntegerField(required=False)
|
|
descriptive_field = IntegerField(help_text='Some help text', label='A label')
|
|
choices_field = ChoiceField(choices=[('red', 'Red'), ('blue', 'Blue'), ('green', 'Green')])
|
|
""")
|
|
if six.PY2:
|
|
# This particular case is too awkward to resolve fully across
|
|
# both py2 and py3.
|
|
expected = expected.replace(
|
|
"('red', 'Red'), ('blue', 'Blue'), ('green', 'Green')",
|
|
"(u'red', u'Red'), (u'blue', u'Blue'), (u'green', u'Green')"
|
|
)
|
|
self.assertEqual(unicode_repr(TestSerializer()), expected)
|
|
|
|
def test_method_field(self):
|
|
"""
|
|
Properties and methods on the model should be allowed as `Meta.fields`
|
|
values, and should map to `ReadOnlyField`.
|
|
"""
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = RegularFieldsModel
|
|
fields = ('auto_field', 'method')
|
|
|
|
expected = dedent("""
|
|
TestSerializer():
|
|
auto_field = IntegerField(read_only=True)
|
|
method = ReadOnlyField()
|
|
""")
|
|
self.assertEqual(repr(TestSerializer()), expected)
|
|
|
|
def test_pk_fields(self):
|
|
"""
|
|
Both `pk` and the actual primary key name are valid in `Meta.fields`.
|
|
"""
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = RegularFieldsModel
|
|
fields = ('pk', 'auto_field')
|
|
|
|
expected = dedent("""
|
|
TestSerializer():
|
|
pk = IntegerField(label='Auto field', read_only=True)
|
|
auto_field = IntegerField(read_only=True)
|
|
""")
|
|
self.assertEqual(repr(TestSerializer()), expected)
|
|
|
|
def test_extra_field_kwargs(self):
|
|
"""
|
|
Ensure `extra_kwargs` are passed to generated fields.
|
|
"""
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = RegularFieldsModel
|
|
fields = ('auto_field', 'char_field')
|
|
extra_kwargs = {'char_field': {'default': 'extra'}}
|
|
|
|
expected = dedent("""
|
|
TestSerializer():
|
|
auto_field = IntegerField(read_only=True)
|
|
char_field = CharField(default='extra', max_length=100)
|
|
""")
|
|
self.assertEqual(repr(TestSerializer()), expected)
|
|
|
|
def test_invalid_field(self):
|
|
"""
|
|
Field names that do not map to a model field or relationship should
|
|
raise a configuration errror.
|
|
"""
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = RegularFieldsModel
|
|
fields = ('auto_field', 'invalid')
|
|
|
|
with self.assertRaises(ImproperlyConfigured) as excinfo:
|
|
TestSerializer().fields
|
|
expected = 'Field name `invalid` is not valid for model `RegularFieldsModel`.'
|
|
assert str(excinfo.exception) == expected
|
|
|
|
def test_missing_field(self):
|
|
"""
|
|
Fields that have been declared on the serializer class must be included
|
|
in the `Meta.fields` if it exists.
|
|
"""
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
missing = serializers.ReadOnlyField()
|
|
|
|
class Meta:
|
|
model = RegularFieldsModel
|
|
fields = ('auto_field',)
|
|
|
|
with self.assertRaises(AssertionError) as excinfo:
|
|
TestSerializer().fields
|
|
expected = (
|
|
"The field 'missing' was declared on serializer TestSerializer, "
|
|
"but has not been included in the 'fields' option."
|
|
)
|
|
assert str(excinfo.exception) == expected
|
|
|
|
def test_missing_superclass_field(self):
|
|
"""
|
|
Fields that have been declared on a parent of the serializer class may
|
|
be excluded from the `Meta.fields` option.
|
|
"""
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
missing = serializers.ReadOnlyField()
|
|
|
|
class Meta:
|
|
model = RegularFieldsModel
|
|
|
|
class ChildSerializer(TestSerializer):
|
|
missing = serializers.ReadOnlyField()
|
|
|
|
class Meta:
|
|
model = RegularFieldsModel
|
|
fields = ('auto_field',)
|
|
|
|
ChildSerializer().fields
|
|
|
|
|
|
# Tests for relational field mappings.
|
|
# ------------------------------------
|
|
|
|
class ForeignKeyTargetModel(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
|
|
|
|
class ManyToManyTargetModel(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
|
|
|
|
class OneToOneTargetModel(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
|
|
|
|
class ThroughTargetModel(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
|
|
|
|
class Supplementary(models.Model):
|
|
extra = models.IntegerField()
|
|
forwards = models.ForeignKey('ThroughTargetModel')
|
|
backwards = models.ForeignKey('RelationalModel')
|
|
|
|
|
|
class RelationalModel(models.Model):
|
|
foreign_key = models.ForeignKey(ForeignKeyTargetModel, related_name='reverse_foreign_key')
|
|
many_to_many = models.ManyToManyField(ManyToManyTargetModel, related_name='reverse_many_to_many')
|
|
one_to_one = models.OneToOneField(OneToOneTargetModel, related_name='reverse_one_to_one')
|
|
through = models.ManyToManyField(ThroughTargetModel, through=Supplementary, related_name='reverse_through')
|
|
|
|
|
|
class TestRelationalFieldMappings(TestCase):
|
|
def test_pk_relations(self):
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = RelationalModel
|
|
|
|
expected = dedent("""
|
|
TestSerializer():
|
|
id = IntegerField(label='ID', read_only=True)
|
|
foreign_key = PrimaryKeyRelatedField(queryset=ForeignKeyTargetModel.objects.all())
|
|
one_to_one = PrimaryKeyRelatedField(queryset=OneToOneTargetModel.objects.all(), validators=[<UniqueValidator(queryset=RelationalModel.objects.all())>])
|
|
many_to_many = PrimaryKeyRelatedField(many=True, queryset=ManyToManyTargetModel.objects.all())
|
|
through = PrimaryKeyRelatedField(many=True, read_only=True)
|
|
""")
|
|
self.assertEqual(unicode_repr(TestSerializer()), expected)
|
|
|
|
def test_nested_relations(self):
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = RelationalModel
|
|
depth = 1
|
|
|
|
expected = dedent("""
|
|
TestSerializer():
|
|
id = IntegerField(label='ID', read_only=True)
|
|
foreign_key = NestedSerializer(read_only=True):
|
|
id = IntegerField(label='ID', read_only=True)
|
|
name = CharField(max_length=100)
|
|
one_to_one = NestedSerializer(read_only=True):
|
|
id = IntegerField(label='ID', read_only=True)
|
|
name = CharField(max_length=100)
|
|
many_to_many = NestedSerializer(many=True, read_only=True):
|
|
id = IntegerField(label='ID', read_only=True)
|
|
name = CharField(max_length=100)
|
|
through = NestedSerializer(many=True, read_only=True):
|
|
id = IntegerField(label='ID', read_only=True)
|
|
name = CharField(max_length=100)
|
|
""")
|
|
self.assertEqual(unicode_repr(TestSerializer()), expected)
|
|
|
|
def test_hyperlinked_relations(self):
|
|
class TestSerializer(serializers.HyperlinkedModelSerializer):
|
|
class Meta:
|
|
model = RelationalModel
|
|
|
|
expected = dedent("""
|
|
TestSerializer():
|
|
url = HyperlinkedIdentityField(view_name='relationalmodel-detail')
|
|
foreign_key = HyperlinkedRelatedField(queryset=ForeignKeyTargetModel.objects.all(), view_name='foreignkeytargetmodel-detail')
|
|
one_to_one = HyperlinkedRelatedField(queryset=OneToOneTargetModel.objects.all(), validators=[<UniqueValidator(queryset=RelationalModel.objects.all())>], view_name='onetoonetargetmodel-detail')
|
|
many_to_many = HyperlinkedRelatedField(many=True, queryset=ManyToManyTargetModel.objects.all(), view_name='manytomanytargetmodel-detail')
|
|
through = HyperlinkedRelatedField(many=True, read_only=True, view_name='throughtargetmodel-detail')
|
|
""")
|
|
self.assertEqual(unicode_repr(TestSerializer()), expected)
|
|
|
|
def test_nested_hyperlinked_relations(self):
|
|
class TestSerializer(serializers.HyperlinkedModelSerializer):
|
|
class Meta:
|
|
model = RelationalModel
|
|
depth = 1
|
|
|
|
expected = dedent("""
|
|
TestSerializer():
|
|
url = HyperlinkedIdentityField(view_name='relationalmodel-detail')
|
|
foreign_key = NestedSerializer(read_only=True):
|
|
url = HyperlinkedIdentityField(view_name='foreignkeytargetmodel-detail')
|
|
name = CharField(max_length=100)
|
|
one_to_one = NestedSerializer(read_only=True):
|
|
url = HyperlinkedIdentityField(view_name='onetoonetargetmodel-detail')
|
|
name = CharField(max_length=100)
|
|
many_to_many = NestedSerializer(many=True, read_only=True):
|
|
url = HyperlinkedIdentityField(view_name='manytomanytargetmodel-detail')
|
|
name = CharField(max_length=100)
|
|
through = NestedSerializer(many=True, read_only=True):
|
|
url = HyperlinkedIdentityField(view_name='throughtargetmodel-detail')
|
|
name = CharField(max_length=100)
|
|
""")
|
|
self.assertEqual(unicode_repr(TestSerializer()), expected)
|
|
|
|
def test_pk_reverse_foreign_key(self):
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = ForeignKeyTargetModel
|
|
fields = ('id', 'name', 'reverse_foreign_key')
|
|
|
|
expected = dedent("""
|
|
TestSerializer():
|
|
id = IntegerField(label='ID', read_only=True)
|
|
name = CharField(max_length=100)
|
|
reverse_foreign_key = PrimaryKeyRelatedField(many=True, queryset=RelationalModel.objects.all())
|
|
""")
|
|
self.assertEqual(unicode_repr(TestSerializer()), expected)
|
|
|
|
def test_pk_reverse_one_to_one(self):
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = OneToOneTargetModel
|
|
fields = ('id', 'name', 'reverse_one_to_one')
|
|
|
|
expected = dedent("""
|
|
TestSerializer():
|
|
id = IntegerField(label='ID', read_only=True)
|
|
name = CharField(max_length=100)
|
|
reverse_one_to_one = PrimaryKeyRelatedField(queryset=RelationalModel.objects.all())
|
|
""")
|
|
self.assertEqual(unicode_repr(TestSerializer()), expected)
|
|
|
|
def test_pk_reverse_many_to_many(self):
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = ManyToManyTargetModel
|
|
fields = ('id', 'name', 'reverse_many_to_many')
|
|
|
|
expected = dedent("""
|
|
TestSerializer():
|
|
id = IntegerField(label='ID', read_only=True)
|
|
name = CharField(max_length=100)
|
|
reverse_many_to_many = PrimaryKeyRelatedField(many=True, queryset=RelationalModel.objects.all())
|
|
""")
|
|
self.assertEqual(unicode_repr(TestSerializer()), expected)
|
|
|
|
def test_pk_reverse_through(self):
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = ThroughTargetModel
|
|
fields = ('id', 'name', 'reverse_through')
|
|
|
|
expected = dedent("""
|
|
TestSerializer():
|
|
id = IntegerField(label='ID', read_only=True)
|
|
name = CharField(max_length=100)
|
|
reverse_through = PrimaryKeyRelatedField(many=True, read_only=True)
|
|
""")
|
|
self.assertEqual(unicode_repr(TestSerializer()), expected)
|
|
|
|
|
|
class TestIntegration(TestCase):
|
|
def setUp(self):
|
|
self.foreign_key_target = ForeignKeyTargetModel.objects.create(
|
|
name='foreign_key'
|
|
)
|
|
self.one_to_one_target = OneToOneTargetModel.objects.create(
|
|
name='one_to_one'
|
|
)
|
|
self.many_to_many_targets = [
|
|
ManyToManyTargetModel.objects.create(
|
|
name='many_to_many (%d)' % idx
|
|
) for idx in range(3)
|
|
]
|
|
self.instance = RelationalModel.objects.create(
|
|
foreign_key=self.foreign_key_target,
|
|
one_to_one=self.one_to_one_target,
|
|
)
|
|
self.instance.many_to_many = self.many_to_many_targets
|
|
self.instance.save()
|
|
|
|
def test_pk_retrival(self):
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = RelationalModel
|
|
|
|
serializer = TestSerializer(self.instance)
|
|
expected = {
|
|
'id': self.instance.pk,
|
|
'foreign_key': self.foreign_key_target.pk,
|
|
'one_to_one': self.one_to_one_target.pk,
|
|
'many_to_many': [item.pk for item in self.many_to_many_targets],
|
|
'through': []
|
|
}
|
|
self.assertEqual(serializer.data, expected)
|
|
|
|
def test_pk_create(self):
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = RelationalModel
|
|
|
|
new_foreign_key = ForeignKeyTargetModel.objects.create(
|
|
name='foreign_key'
|
|
)
|
|
new_one_to_one = OneToOneTargetModel.objects.create(
|
|
name='one_to_one'
|
|
)
|
|
new_many_to_many = [
|
|
ManyToManyTargetModel.objects.create(
|
|
name='new many_to_many (%d)' % idx
|
|
) for idx in range(3)
|
|
]
|
|
data = {
|
|
'foreign_key': new_foreign_key.pk,
|
|
'one_to_one': new_one_to_one.pk,
|
|
'many_to_many': [item.pk for item in new_many_to_many],
|
|
}
|
|
|
|
# Serializer should validate okay.
|
|
serializer = TestSerializer(data=data)
|
|
assert serializer.is_valid()
|
|
|
|
# Creating the instance, relationship attributes should be set.
|
|
instance = serializer.save()
|
|
assert instance.foreign_key.pk == new_foreign_key.pk
|
|
assert instance.one_to_one.pk == new_one_to_one.pk
|
|
assert [
|
|
item.pk for item in instance.many_to_many.all()
|
|
] == [
|
|
item.pk for item in new_many_to_many
|
|
]
|
|
assert list(instance.through.all()) == []
|
|
|
|
# Representation should be correct.
|
|
expected = {
|
|
'id': instance.pk,
|
|
'foreign_key': new_foreign_key.pk,
|
|
'one_to_one': new_one_to_one.pk,
|
|
'many_to_many': [item.pk for item in new_many_to_many],
|
|
'through': []
|
|
}
|
|
self.assertEqual(serializer.data, expected)
|
|
|
|
def test_pk_update(self):
|
|
class TestSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = RelationalModel
|
|
|
|
new_foreign_key = ForeignKeyTargetModel.objects.create(
|
|
name='foreign_key'
|
|
)
|
|
new_one_to_one = OneToOneTargetModel.objects.create(
|
|
name='one_to_one'
|
|
)
|
|
new_many_to_many = [
|
|
ManyToManyTargetModel.objects.create(
|
|
name='new many_to_many (%d)' % idx
|
|
) for idx in range(3)
|
|
]
|
|
data = {
|
|
'foreign_key': new_foreign_key.pk,
|
|
'one_to_one': new_one_to_one.pk,
|
|
'many_to_many': [item.pk for item in new_many_to_many],
|
|
}
|
|
|
|
# Serializer should validate okay.
|
|
serializer = TestSerializer(self.instance, data=data)
|
|
assert serializer.is_valid()
|
|
|
|
# Creating the instance, relationship attributes should be set.
|
|
instance = serializer.save()
|
|
assert instance.foreign_key.pk == new_foreign_key.pk
|
|
assert instance.one_to_one.pk == new_one_to_one.pk
|
|
assert [
|
|
item.pk for item in instance.many_to_many.all()
|
|
] == [
|
|
item.pk for item in new_many_to_many
|
|
]
|
|
assert list(instance.through.all()) == []
|
|
|
|
# Representation should be correct.
|
|
expected = {
|
|
'id': self.instance.pk,
|
|
'foreign_key': new_foreign_key.pk,
|
|
'one_to_one': new_one_to_one.pk,
|
|
'many_to_many': [item.pk for item in new_many_to_many],
|
|
'through': []
|
|
}
|
|
self.assertEqual(serializer.data, expected)
|
|
|
|
|
|
# Tests for bulk create using `ListSerializer`.
|
|
|
|
class BulkCreateModel(models.Model):
|
|
name = models.CharField(max_length=10)
|
|
|
|
|
|
class TestBulkCreate(TestCase):
|
|
def test_bulk_create(self):
|
|
class BasicModelSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = BulkCreateModel
|
|
fields = ('name',)
|
|
|
|
class BulkCreateSerializer(serializers.ListSerializer):
|
|
child = BasicModelSerializer()
|
|
|
|
data = [{'name': 'a'}, {'name': 'b'}, {'name': 'c'}]
|
|
serializer = BulkCreateSerializer(data=data)
|
|
assert serializer.is_valid()
|
|
|
|
# Objects are returned by save().
|
|
instances = serializer.save()
|
|
assert len(instances) == 3
|
|
assert [item.name for item in instances] == ['a', 'b', 'c']
|
|
|
|
# Objects have been created in the database.
|
|
assert BulkCreateModel.objects.count() == 3
|
|
assert list(BulkCreateModel.objects.values_list('name', flat=True)) == ['a', 'b', 'c']
|
|
|
|
# Serializer returns correct data.
|
|
assert serializer.data == data
|
|
|
|
|
|
class TestMetaClassModel(models.Model):
|
|
text = models.CharField(max_length=100)
|
|
|
|
|
|
class TestSerializerMetaClass(TestCase):
|
|
def test_meta_class_fields_option(self):
|
|
class ExampleSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = TestMetaClassModel
|
|
fields = 'text'
|
|
|
|
with self.assertRaises(TypeError) as result:
|
|
ExampleSerializer().fields
|
|
|
|
exception = result.exception
|
|
assert str(exception).startswith(
|
|
"The `fields` option must be a list or tuple"
|
|
)
|
|
|
|
def test_meta_class_exclude_option(self):
|
|
class ExampleSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = TestMetaClassModel
|
|
exclude = 'text'
|
|
|
|
with self.assertRaises(TypeError) as result:
|
|
ExampleSerializer().fields
|
|
|
|
exception = result.exception
|
|
assert str(exception).startswith(
|
|
"The `exclude` option must be a list or tuple"
|
|
)
|
|
|
|
def test_meta_class_fields_and_exclude_options(self):
|
|
class ExampleSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = TestMetaClassModel
|
|
fields = ('text',)
|
|
exclude = ('text',)
|
|
|
|
with self.assertRaises(AssertionError) as result:
|
|
ExampleSerializer().fields
|
|
|
|
exception = result.exception
|
|
self.assertEqual(
|
|
str(exception),
|
|
"Cannot set both 'fields' and 'exclude' options on serializer ExampleSerializer."
|
|
)
|