def test_stringfield_type_required():
f = StringField(required=True)
f.contribute_to_class(ot, 'field_name')
assert isinstance(f.internal_field(schema), GraphQLField)
assert isinstance(f.internal_type(schema), GraphQLNonNull)
def test_field_resolve():
f = StringField(required=True, resolve=lambda *args: 'RESOLVED')
f.contribute_to_class(ot, 'field_name')
field_type = f.internal_field(schema)
assert 'RESOLVED' == field_type.resolver(ot, None, None)
def test_field_resolve_objecttype_cos():
f = StringField()
f.contribute_to_class(ot, 'customdoc')
field = f.internal_field(schema)
assert field.description == 'Resolver documentation'
