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
101
102
|
from contextlib import nullcontext
import pytest
from multidict import MultiDict
from google.rpc.error_details_pb2 import ResourceInfo
from grpclib.const import Status
from grpclib.events import listen, SendRequest, SendMessage, RecvMessage
from grpclib.events import RecvInitialMetadata, RecvTrailingMetadata
from grpclib.testing import ChannelFor
from grpclib.exceptions import GRPCError
from dummy_pb2 import DummyRequest, DummyReply
from dummy_grpc import DummyServiceStub, DummyServiceBase
class DummyService(DummyServiceBase):
def __init__(self, fail=False):
self.fail = fail
async def UnaryUnary(self, stream):
await stream.recv_message()
await stream.send_initial_metadata(metadata={'initial': 'true'})
await stream.send_message(DummyReply(value='pong'))
if self.fail:
await stream.send_trailing_metadata(
status=Status.NOT_FOUND,
status_message="Everything is not OK",
status_details=[ResourceInfo()],
metadata={'trailing': 'true'},
)
else:
await stream.send_trailing_metadata(metadata={'trailing': 'true'})
async def UnaryStream(self, stream):
raise GRPCError(Status.UNIMPLEMENTED)
async def StreamUnary(self, stream):
raise GRPCError(Status.UNIMPLEMENTED)
async def StreamStream(self, stream):
raise GRPCError(Status.UNIMPLEMENTED)
async def _test(event_type, *, fail=False):
service = DummyService(fail)
events = []
async def callback(event_):
events.append(event_)
async with ChannelFor([service]) as channel:
listen(channel, event_type, callback)
stub = DummyServiceStub(channel)
ctx = pytest.raises(GRPCError) if fail else nullcontext()
with ctx:
reply = await stub.UnaryUnary(DummyRequest(value='ping'),
timeout=1,
metadata={'request': 'true'})
assert reply == DummyReply(value='pong')
event, = events
return event
@pytest.mark.asyncio
async def test_send_request():
event = await _test(SendRequest)
assert event.metadata == MultiDict({'request': 'true'})
assert event.method_name == '/dummy.DummyService/UnaryUnary'
assert event.deadline.time_remaining() > 0
assert event.content_type == 'application/grpc'
@pytest.mark.asyncio
async def test_send_message():
event = await _test(SendMessage)
assert event.message == DummyRequest(value='ping')
@pytest.mark.asyncio
async def test_recv_message():
event = await _test(RecvMessage)
assert event.message == DummyReply(value='pong')
@pytest.mark.asyncio
async def test_recv_initial_metadata():
event = await _test(RecvInitialMetadata)
assert event.metadata == MultiDict({'initial': 'true'})
@pytest.mark.asyncio
async def test_recv_trailing_metadata():
event = await _test(RecvTrailingMetadata, fail=True)
assert event.metadata == MultiDict({'trailing': 'true'})
assert event.status is Status.NOT_FOUND
assert event.status_message == "Everything is not OK"
assert isinstance(event.status_details[0], ResourceInfo)
|
