1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
# Copyright 2019 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from unittest import mock
import warnings
import proto
from proto.marshal.rules.enums import EnumRule
__protobuf__ = proto.module(package="test.marshal.enum")
def test_to_proto():
class Foo(proto.Enum):
FOO_UNSPECIFIED = 0
BAR = 1
BAZ = 2
enum_rule = EnumRule(Foo)
foo_a = enum_rule.to_proto(Foo.BAR)
foo_b = enum_rule.to_proto(1)
foo_c = enum_rule.to_proto("BAR")
# We want to distinguish literal `1` from `Foo.BAR` here
# (they are equivalent but not identical).
assert foo_a is foo_b is foo_c is 1 # noqa: F632
def test_to_python():
class Foo(proto.Enum):
FOO_UNSPECIFIED = 0
BAR = 1
BAZ = 2
enum_rule = EnumRule(Foo)
foo_a = enum_rule.to_python(1)
foo_b = enum_rule.to_python(Foo.BAR)
assert foo_a is foo_b is Foo.BAR
def test_to_python_unknown_value():
class Foo(proto.Enum):
FOO_UNSPECIFIED = 0
BAR = 1
BAZ = 2
enum_rule = EnumRule(Foo)
with mock.patch.object(warnings, "warn") as warn:
assert enum_rule.to_python(4) == 4
warn.assert_called_once_with("Unrecognized Foo enum value: 4")
def test_enum_append():
class Bivalve(proto.Enum):
CLAM = 0
OYSTER = 1
class MolluscContainer(proto.Message):
bivalves = proto.RepeatedField(
proto.ENUM,
number=1,
enum=Bivalve,
)
mc = MolluscContainer()
clam = Bivalve.CLAM
mc.bivalves.append(clam)
mc.bivalves.append(1)
assert mc.bivalves == [clam, Bivalve.OYSTER]
def test_enum_map_insert():
class Bivalve(proto.Enum):
CLAM = 0
OYSTER = 1
class MolluscContainer(proto.Message):
bivalves = proto.MapField(
proto.STRING,
proto.ENUM,
number=1,
enum=Bivalve,
)
mc = MolluscContainer()
clam = Bivalve.CLAM
mc.bivalves["clam"] = clam
mc.bivalves["oyster"] = 1
assert dict(mc.bivalves) == {"clam": clam, "oyster": Bivalve.OYSTER}
|
