xref: /aosp_15_r20/external/grpc-grpc/test/core/end2end/tests/trailing_metadata.cc (revision cc02d7e222339f7a4f6ba5f422e6413f4bd931f2)
1 //
2 //
3 // Copyright 2015 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 
CORE_END2END_TEST(CoreEnd2endTest,TrailingMetadata)31 CORE_END2END_TEST(CoreEnd2endTest, TrailingMetadata) {
32   auto c = NewClientCall("/foo").Timeout(Duration::Minutes(1)).Create();
33   CoreEnd2endTest::IncomingStatusOnClient server_status;
34   CoreEnd2endTest::IncomingMetadata server_initial_metadata;
35   CoreEnd2endTest::IncomingMessage server_message;
36   c.NewBatch(1)
37       .SendInitialMetadata({{"key1", "val1"}, {"key2", "val2"}})
38       .SendMessage("hello world")
39       .SendCloseFromClient()
40       .RecvInitialMetadata(server_initial_metadata)
41       .RecvMessage(server_message)
42       .RecvStatusOnClient(server_status);
43   auto s = RequestCall(101);
44   Expect(101, true);
45   Step();
46   CoreEnd2endTest::IncomingMessage client_message;
47   s.NewBatch(102)
48       .SendInitialMetadata({{"key3", "val3"}, {"key4", "val4"}})
49       .RecvMessage(client_message);
50   Expect(102, true);
51   Step();
52   CoreEnd2endTest::IncomingCloseOnServer client_close;
53   s.NewBatch(103)
54       .RecvCloseOnServer(client_close)
55       .SendMessage("hello you")
56       .SendStatusFromServer(GRPC_STATUS_OK, "xyz",
57                             {{"key5", "val5"}, {"key6", "val6"}});
58   Expect(103, true);
59   Expect(1, true);
60   Step();
61   EXPECT_EQ(server_status.status(), GRPC_STATUS_OK);
62   EXPECT_EQ(server_status.message(), "xyz");
63   EXPECT_EQ(client_message.payload(), "hello world");
64   EXPECT_EQ(server_message.payload(), "hello you");
65   EXPECT_EQ(s.GetInitialMetadata("key1"), "val1");
66   EXPECT_EQ(s.GetInitialMetadata("key2"), "val2");
67   EXPECT_EQ(server_initial_metadata.Get("key3"), "val3");
68   EXPECT_EQ(server_initial_metadata.Get("key4"), "val4");
69   EXPECT_EQ(server_status.GetTrailingMetadata("key5"), "val5");
70   EXPECT_EQ(server_status.GetTrailingMetadata("key6"), "val6");
71 }
72 
73 }  // namespace
74 }  // namespace grpc_core
75