2019-10-19 22:33:31 -07:00

73 lines
1.9 KiB
Python

import betterproto
from dataclasses import dataclass
def test_has_field():
@dataclass
class Bar(betterproto.Message):
baz: int = betterproto.int32_field(1)
@dataclass
class Foo(betterproto.Message):
bar: Bar = betterproto.message_field(1)
# Unset by default
foo = Foo()
assert foo.bar.serialized_on_wire == False
# Serialized after setting something
foo.bar.baz = 1
assert foo.bar.serialized_on_wire == True
# Still has it after setting the default value
foo.bar.baz = 0
assert foo.bar.serialized_on_wire == True
# Manual override
foo.bar.serialized_on_wire = False
assert foo.bar.serialized_on_wire == False
# Can manually set it but defaults to false
foo.bar = Bar()
assert foo.bar.serialized_on_wire == False
def test_enum_as_int_json():
class TestEnum(betterproto.Enum):
ZERO = 0
ONE = 1
@dataclass
class Foo(betterproto.Message):
bar: TestEnum = betterproto.enum_field(1)
# JSON strings are supported, but ints should still be supported too.
foo = Foo().from_dict({"bar": 1})
assert foo.bar == TestEnum.ONE
# Plain-ol'-ints should serialize properly too.
foo.bar = 1
assert foo.to_dict() == {"bar": "ONE"}
def test_unknown_fields():
@dataclass
class Newer(betterproto.Message):
foo: bool = betterproto.bool_field(1)
bar: int = betterproto.int32_field(2)
baz: str = betterproto.string_field(3)
@dataclass
class Older(betterproto.Message):
foo: bool = betterproto.bool_field(1)
newer = Newer(foo=True, bar=1, baz="Hello")
serialized_newer = bytes(newer)
# Unknown fields in `Newer` should round trip with `Older`
round_trip = bytes(Older().parse(serialized_newer))
assert serialized_newer == round_trip
new_again = Newer().parse(round_trip)
assert newer == new_again