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import six
from ..argument import Argument
from ..enum import Enum, PyEnum
from ..field import Field
from ..inputfield import InputField
from ..schema import ObjectType, Schema
def test_enum_construction():
class RGB(Enum):
"""Description"""
RED = 1
GREEN = 2
BLUE = 3
@property
def description(self):
return "Description {}".format(self.name)
assert RGB._meta.name == "RGB"
assert RGB._meta.description == "Description"
values = RGB._meta.enum.__members__.values()
assert sorted([v.name for v in values]) == ["BLUE", "GREEN", "RED"]
assert sorted([v.description for v in values]) == [
"Description BLUE",
"Description GREEN",
"Description RED",
]
def test_enum_construction_meta():
class RGB(Enum):
class Meta:
name = "RGBEnum"
description = "Description"
RED = 1
GREEN = 2
BLUE = 3
assert RGB._meta.name == "RGBEnum"
assert RGB._meta.description == "Description"
def test_enum_instance_construction():
RGB = Enum("RGB", "RED,GREEN,BLUE")
values = RGB._meta.enum.__members__.values()
assert sorted([v.name for v in values]) == ["BLUE", "GREEN", "RED"]
def test_enum_from_builtin_enum():
PyRGB = PyEnum("RGB", "RED,GREEN,BLUE")
RGB = Enum.from_enum(PyRGB)
assert RGB._meta.enum == PyRGB
assert RGB.RED
assert RGB.GREEN
assert RGB.BLUE
def test_enum_from_builtin_enum_accepts_lambda_description():
def custom_description(value):
if not value:
return "StarWars Episodes"
return "New Hope Episode" if value == Episode.NEWHOPE else "Other"
def custom_deprecation_reason(value):
return "meh" if value == Episode.NEWHOPE else None
PyEpisode = PyEnum("PyEpisode", "NEWHOPE,EMPIRE,JEDI")
Episode = Enum.from_enum(
PyEpisode,
description=custom_description,
deprecation_reason=custom_deprecation_reason,
)
class Query(ObjectType):
foo = Episode()
schema = Schema(query=Query)
GraphQLPyEpisode = schema._type_map["PyEpisode"].values
assert schema._type_map["PyEpisode"].description == "StarWars Episodes"
assert (
GraphQLPyEpisode[0].name == "NEWHOPE"
and GraphQLPyEpisode[0].description == "New Hope Episode"
)
assert (
GraphQLPyEpisode[1].name == "EMPIRE"
and GraphQLPyEpisode[1].description == "Other"
)
assert (
GraphQLPyEpisode[2].name == "JEDI"
and GraphQLPyEpisode[2].description == "Other"
)
assert (
GraphQLPyEpisode[0].name == "NEWHOPE"
and GraphQLPyEpisode[0].deprecation_reason == "meh"
)
assert (
GraphQLPyEpisode[1].name == "EMPIRE"
and GraphQLPyEpisode[1].deprecation_reason is None
)
assert (
GraphQLPyEpisode[2].name == "JEDI"
and GraphQLPyEpisode[2].deprecation_reason is None
)
def test_enum_from_python3_enum_uses_enum_doc():
if not six.PY3:
return
from enum import Enum as PyEnum
class Color(PyEnum):
"""This is the description"""
RED = 1
GREEN = 2
BLUE = 3
RGB = Enum.from_enum(Color)
assert RGB._meta.enum == Color
assert RGB._meta.description == "This is the description"
assert RGB
assert RGB.RED
assert RGB.GREEN
assert RGB.BLUE
def test_enum_value_from_class():
class RGB(Enum):
RED = 1
GREEN = 2
BLUE = 3
assert RGB.RED.value == 1
assert RGB.GREEN.value == 2
assert RGB.BLUE.value == 3
def test_enum_value_as_unmounted_field():
class RGB(Enum):
RED = 1
GREEN = 2
BLUE = 3
unmounted = RGB()
unmounted_field = unmounted.Field()
assert isinstance(unmounted_field, Field)
assert unmounted_field.type == RGB
def test_enum_value_as_unmounted_inputfield():
class RGB(Enum):
RED = 1
GREEN = 2
BLUE = 3
unmounted = RGB()
unmounted_field = unmounted.InputField()
assert isinstance(unmounted_field, InputField)
assert unmounted_field.type == RGB
def test_enum_value_as_unmounted_argument():
class RGB(Enum):
RED = 1
GREEN = 2
BLUE = 3
unmounted = RGB()
unmounted_field = unmounted.Argument()
assert isinstance(unmounted_field, Argument)
assert unmounted_field.type == RGB
def test_enum_can_be_compared():
class RGB(Enum):
RED = 1
GREEN = 2
BLUE = 3
assert RGB.RED == 1
assert RGB.GREEN == 2
assert RGB.BLUE == 3
def test_enum_can_be_initialzied():
class RGB(Enum):
RED = 1
GREEN = 2
BLUE = 3
assert RGB.get(1) == RGB.RED
assert RGB.get(2) == RGB.GREEN
assert RGB.get(3) == RGB.BLUE
def test_enum_can_retrieve_members():
class RGB(Enum):
RED = 1
GREEN = 2
BLUE = 3
assert RGB["RED"] == RGB.RED
assert RGB["GREEN"] == RGB.GREEN
assert RGB["BLUE"] == RGB.BLUE
def test_enum_to_enum_comparison_should_differ():
class RGB1(Enum):
RED = 1
GREEN = 2
BLUE = 3
class RGB2(Enum):
RED = 1
GREEN = 2
BLUE = 3
assert RGB1.RED != RGB2.RED
assert RGB1.GREEN != RGB2.GREEN
assert RGB1.BLUE != RGB2.BLUE
def test_enum_skip_meta_from_members():
class RGB1(Enum):
class Meta:
name = "RGB"
RED = 1
GREEN = 2
BLUE = 3
assert dict(RGB1._meta.enum.__members__) == {
"RED": RGB1.RED,
"GREEN": RGB1.GREEN,
"BLUE": RGB1.BLUE,
}
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