mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
115 lines
3.4 KiB
115 lines
3.4 KiB
// |
|
// |
|
// Copyright 2017 gRPC authors. |
|
// |
|
// 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 |
|
// |
|
// http://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. |
|
// |
|
// |
|
|
|
#include "absl/types/optional.h" |
|
#include "gtest/gtest.h" |
|
|
|
#include <grpc/impl/channel_arg_names.h> |
|
#include <grpc/status.h> |
|
|
|
#include "src/core/lib/channel/channel_args.h" |
|
#include "src/core/lib/gprpp/time.h" |
|
#include "test/core/end2end/end2end_tests.h" |
|
|
|
namespace grpc_core { |
|
|
|
// Tests a basic retry scenario: |
|
// - 2 retries allowed for ABORTED status |
|
// - first attempt returns ABORTED |
|
// - second attempt returns OK |
|
CORE_END2END_TEST(RetryTest, Retry) { |
|
InitServer(ChannelArgs()); |
|
InitClient(ChannelArgs().Set( |
|
GRPC_ARG_SERVICE_CONFIG, |
|
"{\n" |
|
" \"methodConfig\": [ {\n" |
|
" \"name\": [\n" |
|
" { \"service\": \"service\", \"method\": \"method\" }\n" |
|
" ],\n" |
|
" \"retryPolicy\": {\n" |
|
" \"maxAttempts\": 3,\n" |
|
" \"initialBackoff\": \"1s\",\n" |
|
" \"maxBackoff\": \"120s\",\n" |
|
" \"backoffMultiplier\": 1.6,\n" |
|
" \"retryableStatusCodes\": [ \"ABORTED\" ]\n" |
|
" }\n" |
|
" } ]\n" |
|
"}")); |
|
auto c = |
|
NewClientCall("/service/method").Timeout(Duration::Seconds(5)).Create(); |
|
EXPECT_NE(c.GetPeer(), absl::nullopt); |
|
IncomingStatusOnClient server_status; |
|
IncomingMetadata server_initial_metadata; |
|
IncomingMessage server_message; |
|
c.NewBatch(1) |
|
.SendInitialMetadata({}) |
|
.SendMessage("foo") |
|
.RecvMessage(server_message) |
|
.SendCloseFromClient() |
|
.RecvInitialMetadata(server_initial_metadata) |
|
.RecvStatusOnClient(server_status); |
|
auto s = RequestCall(101); |
|
Expect(101, true); |
|
Step(); |
|
|
|
// Make sure the "grpc-previous-rpc-attempts" header was not sent in the |
|
// initial attempt. |
|
EXPECT_EQ(s.GetInitialMetadata("grpc-previous-rpc-attempts"), absl::nullopt); |
|
|
|
EXPECT_NE(s.GetPeer(), absl::nullopt); |
|
EXPECT_NE(c.GetPeer(), absl::nullopt); |
|
|
|
IncomingCloseOnServer client_close; |
|
s.NewBatch(102) |
|
.SendInitialMetadata({}) |
|
.SendStatusFromServer(GRPC_STATUS_ABORTED, "xyz", {}) |
|
.RecvCloseOnServer(client_close); |
|
Expect(102, true); |
|
Step(); |
|
|
|
auto s2 = RequestCall(201); |
|
Expect(201, true); |
|
Step(); |
|
|
|
// Make sure the "grpc-previous-rpc-attempts" header was sent in the retry. |
|
EXPECT_EQ(s2.GetInitialMetadata("grpc-previous-rpc-attempts"), "1"); |
|
|
|
EXPECT_NE(s2.GetPeer(), absl::nullopt); |
|
EXPECT_NE(c.GetPeer(), absl::nullopt); |
|
|
|
IncomingMessage server_message2; |
|
s2.NewBatch(202) |
|
.SendInitialMetadata({}) |
|
.RecvMessage(server_message2) |
|
.SendMessage("bar"); |
|
IncomingCloseOnServer client_close2; |
|
s2.NewBatch(203) |
|
.SendStatusFromServer(GRPC_STATUS_OK, "xyz", {}) |
|
.RecvCloseOnServer(client_close2); |
|
Expect(202, true); |
|
Expect(203, true); |
|
Expect(1, true); |
|
Step(); |
|
|
|
EXPECT_EQ(server_status.status(), GRPC_STATUS_OK); |
|
EXPECT_EQ(server_status.message(), "xyz"); |
|
EXPECT_EQ(s.method(), "/service/method"); |
|
EXPECT_FALSE(client_close2.was_cancelled()); |
|
} |
|
|
|
} // namespace grpc_core
|
|
|