mirror of
https://github.com/graphql-python/graphene.git
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267 lines
8.8 KiB
Python
267 lines
8.8 KiB
Python
from py.test import raises
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from sqlalchemy import Column, Table, types
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from sqlalchemy.orm import composite
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy_utils import ChoiceType, ScalarListType
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from sqlalchemy.dialects import postgresql
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import graphene
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from graphene.relay import Node
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from graphene.types.json import JSONString
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from ..converter import (convert_sqlalchemy_column,
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convert_sqlalchemy_composite,
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convert_sqlalchemy_relationship)
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from ..fields import SQLAlchemyConnectionField
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from ..types import SQLAlchemyObjectType
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from ..registry import Registry
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from .models import Article, Pet, Reporter
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def assert_column_conversion(sqlalchemy_type, graphene_field, **kwargs):
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column = Column(sqlalchemy_type, doc='Custom Help Text', **kwargs)
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graphene_type = convert_sqlalchemy_column(column)
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assert isinstance(graphene_type, graphene_field)
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field = graphene_type.Field()
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assert field.description == 'Custom Help Text'
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return field
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def assert_composite_conversion(composite_class, composite_columns, graphene_field,
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registry, **kwargs):
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composite_column = composite(composite_class, *composite_columns,
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doc='Custom Help Text', **kwargs)
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graphene_type = convert_sqlalchemy_composite(composite_column, registry)
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assert isinstance(graphene_type, graphene_field)
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field = graphene_type.Field()
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# SQLAlchemy currently does not persist the doc onto the column, even though
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# the documentation says it does....
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# assert field.description == 'Custom Help Text'
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return field
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def test_should_unknown_sqlalchemy_field_raise_exception():
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with raises(Exception) as excinfo:
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convert_sqlalchemy_column(None)
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assert 'Don\'t know how to convert the SQLAlchemy field' in str(excinfo.value)
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def test_should_date_convert_string():
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assert_column_conversion(types.Date(), graphene.String)
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def test_should_datetime_convert_string():
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assert_column_conversion(types.DateTime(), graphene.String)
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def test_should_time_convert_string():
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assert_column_conversion(types.Time(), graphene.String)
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def test_should_string_convert_string():
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assert_column_conversion(types.String(), graphene.String)
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def test_should_text_convert_string():
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assert_column_conversion(types.Text(), graphene.String)
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def test_should_unicode_convert_string():
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assert_column_conversion(types.Unicode(), graphene.String)
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def test_should_unicodetext_convert_string():
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assert_column_conversion(types.UnicodeText(), graphene.String)
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def test_should_enum_convert_string():
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assert_column_conversion(types.Enum(), graphene.String)
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def test_should_small_integer_convert_int():
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assert_column_conversion(types.SmallInteger(), graphene.Int)
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def test_should_big_integer_convert_int():
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assert_column_conversion(types.BigInteger(), graphene.Int)
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def test_should_integer_convert_int():
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assert_column_conversion(types.Integer(), graphene.Int)
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def test_should_integer_convert_id():
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assert_column_conversion(types.Integer(), graphene.ID, primary_key=True)
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def test_should_boolean_convert_boolean():
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assert_column_conversion(types.Boolean(), graphene.Boolean)
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def test_should_float_convert_float():
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assert_column_conversion(types.Float(), graphene.Float)
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def test_should_numeric_convert_float():
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assert_column_conversion(types.Numeric(), graphene.Float)
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def test_should_choice_convert_enum():
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TYPES = [
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(u'es', u'Spanish'),
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(u'en', u'English')
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]
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column = Column(ChoiceType(TYPES), doc='Language', name='language')
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Base = declarative_base()
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Table('translatedmodel', Base.metadata, column)
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graphene_type = convert_sqlalchemy_column(column)
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assert issubclass(graphene_type, graphene.Enum)
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assert graphene_type._meta.name == 'TRANSLATEDMODEL_LANGUAGE'
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assert graphene_type._meta.description == 'Language'
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assert graphene_type._meta.enum.__members__['es'].value == 'Spanish'
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assert graphene_type._meta.enum.__members__['en'].value == 'English'
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def test_should_scalar_list_convert_list():
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assert_column_conversion(ScalarListType(), graphene.List)
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def test_should_manytomany_convert_connectionorlist():
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registry = Registry()
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dynamic_field = convert_sqlalchemy_relationship(Reporter.pets.property, registry)
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assert isinstance(dynamic_field, graphene.Dynamic)
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assert not dynamic_field.get_type()
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def test_should_manytomany_convert_connectionorlist_list():
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class A(SQLAlchemyObjectType):
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class Meta:
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model = Pet
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dynamic_field = convert_sqlalchemy_relationship(Reporter.pets.property, A._meta.registry)
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assert isinstance(dynamic_field, graphene.Dynamic)
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graphene_type = dynamic_field.get_type()
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assert isinstance(graphene_type, graphene.Field)
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assert isinstance(graphene_type.type, graphene.List)
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assert graphene_type.type.of_type == A
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def test_should_manytomany_convert_connectionorlist_connection():
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class A(SQLAlchemyObjectType):
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class Meta:
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model = Pet
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interfaces = (Node, )
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dynamic_field = convert_sqlalchemy_relationship(Reporter.pets.property, A._meta.registry)
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assert isinstance(dynamic_field, graphene.Dynamic)
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assert isinstance(dynamic_field.get_type(), SQLAlchemyConnectionField)
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def test_should_manytoone_convert_connectionorlist():
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registry = Registry()
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dynamic_field = convert_sqlalchemy_relationship(Article.reporter.property, registry)
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assert isinstance(dynamic_field, graphene.Dynamic)
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assert not dynamic_field.get_type()
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def test_should_manytoone_convert_connectionorlist_list():
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class A(SQLAlchemyObjectType):
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class Meta:
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model = Reporter
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dynamic_field = convert_sqlalchemy_relationship(Article.reporter.property, A._meta.registry)
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assert isinstance(dynamic_field, graphene.Dynamic)
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graphene_type = dynamic_field.get_type()
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assert isinstance(graphene_type, graphene.Field)
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assert graphene_type.type == A
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def test_should_manytoone_convert_connectionorlist_connection():
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class A(SQLAlchemyObjectType):
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class Meta:
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model = Reporter
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interfaces = (Node, )
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dynamic_field = convert_sqlalchemy_relationship(Article.reporter.property, A._meta.registry)
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assert isinstance(dynamic_field, graphene.Dynamic)
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graphene_type = dynamic_field.get_type()
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assert isinstance(graphene_type, graphene.Field)
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assert graphene_type.type == A
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def test_should_onetoone_convert_field():
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class A(SQLAlchemyObjectType):
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class Meta:
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model = Article
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interfaces = (Node, )
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dynamic_field = convert_sqlalchemy_relationship(Reporter.favorite_article.property, A._meta.registry)
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assert isinstance(dynamic_field, graphene.Dynamic)
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graphene_type = dynamic_field.get_type()
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assert isinstance(graphene_type, graphene.Field)
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assert graphene_type.type == A
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def test_should_postgresql_uuid_convert():
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assert_column_conversion(postgresql.UUID(), graphene.String)
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def test_should_postgresql_enum_convert():
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assert_column_conversion(postgresql.ENUM(), graphene.String)
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def test_should_postgresql_array_convert():
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assert_column_conversion(postgresql.ARRAY(types.Integer), graphene.List)
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def test_should_postgresql_json_convert():
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assert_column_conversion(postgresql.JSON(), JSONString)
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def test_should_postgresql_jsonb_convert():
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assert_column_conversion(postgresql.JSONB(), JSONString)
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def test_should_postgresql_hstore_convert():
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assert_column_conversion(postgresql.HSTORE(), JSONString)
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def test_should_composite_convert():
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class CompositeClass(object):
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def __init__(self, col1, col2):
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self.col1 = col1
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self.col2 = col2
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registry = Registry()
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@convert_sqlalchemy_composite.register(CompositeClass, registry)
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def convert_composite_class(composite, registry):
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return graphene.String(description=composite.doc)
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assert_composite_conversion(CompositeClass,
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(Column(types.Unicode(50)),
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Column(types.Unicode(50))),
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graphene.String,
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registry)
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def test_should_unknown_sqlalchemy_composite_raise_exception():
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registry = Registry()
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with raises(Exception) as excinfo:
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class CompositeClass(object):
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def __init__(self, col1, col2):
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self.col1 = col1
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self.col2 = col2
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assert_composite_conversion(CompositeClass,
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(Column(types.Unicode(50)),
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Column(types.Unicode(50))),
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graphene.String,
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registry)
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assert 'Don\'t know how to convert the composite field' in str(excinfo.value)
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