diff options
Diffstat (limited to 'test/cpp/end2end/end2end_test.cc')
| -rw-r--r-- | test/cpp/end2end/end2end_test.cc | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc index 0c9313f88f..e3408bff75 100644 --- a/test/cpp/end2end/end2end_test.cc +++ b/test/cpp/end2end/end2end_test.cc @@ -975,6 +975,34 @@ TEST_P(End2endTest, NonExistingService) { EXPECT_EQ("", s.error_message()); } +// Ask the server to send back a serialized proto in trailer. +// This is an example of setting error details. +TEST_P(End2endTest, BinaryTrailerTest) { + ResetStub(); + EchoRequest request; + EchoResponse response; + ClientContext context; + + request.mutable_param()->set_echo_metadata(true); + DebugInfo* info = request.mutable_param()->mutable_debug_info(); + info->add_stack_entries("stack_entry_1"); + info->add_stack_entries("stack_entry_2"); + info->add_stack_entries("stack_entry_3"); + info->set_detail("detailed debug info"); + grpc::string expected_string = info->SerializeAsString(); + request.set_message("Hello"); + + Status s = stub_->Echo(&context, request, &response); + EXPECT_FALSE(s.ok()); + auto trailers = context.GetServerTrailingMetadata(); + EXPECT_EQ(1u, trailers.count(kDebugInfoTrailerKey)); + auto iter = trailers.find(kDebugInfoTrailerKey); + EXPECT_EQ(expected_string, iter->second); + // Parse the returned trailer into a DebugInfo proto. + DebugInfo returned_info; + EXPECT_TRUE(returned_info.ParseFromString(ToString(iter->second))); +} + ////////////////////////////////////////////////////////////////////////// // Test with and without a proxy. class ProxyEnd2endTest : public End2endTest { |