mirror of
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111 lines
2.5 KiB
Python
111 lines
2.5 KiB
Python
from py.test import raises
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from collections import namedtuple
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from pytest import raises
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from graphene.core.fields import (
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Field,
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StringField,
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)
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from graphene.core.options import Options
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from graphql.core.type import (
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GraphQLField,
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GraphQLNonNull,
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GraphQLInt,
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GraphQLString,
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GraphQLBoolean,
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GraphQLID,
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)
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class ObjectType(object):
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_meta = Options()
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def resolve(self, *args, **kwargs):
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return None
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def can_resolve(self, *args):
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return True
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ot = ObjectType()
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ObjectType._meta.contribute_to_class(ObjectType, '_meta')
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class Schema(object):
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pass
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schema = Schema()
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def test_field_no_contributed_raises_error():
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f = Field(GraphQLString)
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with raises(Exception) as excinfo:
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f.internal_field(schema)
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def test_field_type():
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f = Field(GraphQLString)
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f.contribute_to_class(ot, 'field_name')
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assert isinstance(f.internal_field(schema), GraphQLField)
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assert f.internal_type(schema) == GraphQLString
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def test_field_name_automatic_camelcase():
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f = Field(GraphQLString)
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f.contribute_to_class(ot, 'field_name')
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assert f.name == 'fieldName'
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def test_field_name_use_name_if_exists():
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f = Field(GraphQLString, name='my_custom_name')
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f.contribute_to_class(ot, 'field_name')
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assert f.name == 'my_custom_name'
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def test_stringfield_type():
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f = StringField()
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f.contribute_to_class(ot, 'field_name')
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assert f.internal_type(schema) == GraphQLString
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def test_stringfield_type_null():
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f = StringField(null=False)
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f.contribute_to_class(ot, 'field_name')
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assert isinstance(f.internal_field(schema), GraphQLField)
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assert isinstance(f.internal_type(schema), GraphQLNonNull)
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def test_field_resolve():
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f = StringField(null=False, resolve=lambda *args: 'RESOLVED')
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f.contribute_to_class(ot, 'field_name')
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field_type = f.internal_field(schema)
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assert 'RESOLVED' == field_type.resolver(ot, 2, 3)
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def test_field_resolve_type_custom():
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class MyCustomType(object):
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pass
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class Schema(object):
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def get_type(self, name):
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if name == 'MyCustomType':
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return MyCustomType
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s = Schema()
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f = Field('MyCustomType')
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f.contribute_to_class(ot, 'field_name')
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field_type = f.get_object_type(s)
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assert field_type == MyCustomType
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def test_field_resolve_type_custom():
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s = Schema()
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f = Field('self')
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f.contribute_to_class(ot, 'field_name')
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field_type = f.get_object_type(s)
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assert field_type == ot
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