graphene/graphene-sqlalchemy/graphene_sqlalchemy/tests/test_converter.py
2016-08-31 14:39:16 -07:00

263 lines
8.7 KiB
Python

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