1 //
2 //
3 // Copyright 2020 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 //
18
19 #include <memory>
20
21 #include "gtest/gtest.h"
22
23 #include <grpc/status.h>
24
25 #include "src/core/lib/gprpp/time.h"
26 #include "test/core/end2end/end2end_tests.h"
27
28 namespace grpc_core {
29 namespace {
30
31 // Client streaming test where the client sends a bunch of messages and the
32 // server reads them. After reading some messages, the server sends the status.
33 // Client writes fail after that due to the end of stream and the client
34 // subsequently requests and receives the status.
ClientStreaming(CoreEnd2endTest & test,int messages)35 void ClientStreaming(CoreEnd2endTest& test, int messages) {
36 auto c = test.NewClientCall("/foo").Timeout(Duration::Seconds(30)).Create();
37
38 CoreEnd2endTest::IncomingMetadata server_initial_metadata;
39 c.NewBatch(1).SendInitialMetadata({}).RecvInitialMetadata(
40 server_initial_metadata);
41 auto s = test.RequestCall(100);
42 test.Expect(100, true);
43 test.Step();
44 s.NewBatch(101).SendInitialMetadata({});
45 test.Expect(101, true);
46 test.Expect(1, true);
47 test.Step();
48 // Client writes bunch of messages and server reads them
49 for (int i = 0; i < messages; i++) {
50 c.NewBatch(2).SendMessage("hello world");
51 CoreEnd2endTest::IncomingMessage client_message;
52 s.NewBatch(102).RecvMessage(client_message);
53 test.Expect(2, true);
54 test.Expect(102, true);
55 test.Step();
56 EXPECT_EQ(client_message.payload(), "hello world");
57 }
58
59 // Server sends status denoting end of stream
60 s.NewBatch(103).SendStatusFromServer(GRPC_STATUS_UNIMPLEMENTED, "xyz", {});
61 test.Expect(103, true);
62 test.Step();
63 // Do an empty verify to make sure that the client receives the status
64 test.Step();
65
66 // Client tries sending another message which should fail
67 c.NewBatch(3).SendMessage("hello world");
68 test.Expect(3, false);
69 test.Step();
70
71 // Client sends close and requests status
72 CoreEnd2endTest::IncomingStatusOnClient server_status;
73 c.NewBatch(4).SendCloseFromClient().RecvStatusOnClient(server_status);
74 test.Expect(4, true);
75 test.Step();
76 EXPECT_EQ(server_status.status(), GRPC_STATUS_UNIMPLEMENTED);
77 EXPECT_EQ(server_status.message(), "xyz");
78 }
79
CORE_END2END_TEST(CoreEnd2endTest,ClientStreaming0)80 CORE_END2END_TEST(CoreEnd2endTest, ClientStreaming0) {
81 ClientStreaming(*this, 0);
82 }
CORE_END2END_TEST(CoreEnd2endTest,ClientStreaming1)83 CORE_END2END_TEST(CoreEnd2endTest, ClientStreaming1) {
84 ClientStreaming(*this, 1);
85 }
CORE_END2END_TEST(CoreEnd2endTest,ClientStreaming3)86 CORE_END2END_TEST(CoreEnd2endTest, ClientStreaming3) {
87 ClientStreaming(*this, 3);
88 }
CORE_END2END_TEST(CoreEnd2endTest,ClientStreaming10)89 CORE_END2END_TEST(CoreEnd2endTest, ClientStreaming10) {
90 ClientStreaming(*this, 10);
91 }
CORE_END2END_TEST(CoreEnd2endTest,ClientStreaming30)92 CORE_END2END_TEST(CoreEnd2endTest, ClientStreaming30) {
93 ClientStreaming(*this, 30);
94 }
95
96 } // namespace
97 } // namespace grpc_core
98