diff options
Diffstat (limited to 'test/cpp/end2end/grpclb_end2end_test.cc')
-rw-r--r-- | test/cpp/end2end/grpclb_end2end_test.cc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/cpp/end2end/grpclb_end2end_test.cc b/test/cpp/end2end/grpclb_end2end_test.cc index 28f9ae6f40..b69b861fcf 100644 --- a/test/cpp/end2end/grpclb_end2end_test.cc +++ b/test/cpp/end2end/grpclb_end2end_test.cc @@ -734,6 +734,25 @@ TEST_F(SingleBalancerTest, InitiallyEmptyServerlist) { EXPECT_EQ(2U, balancer_servers_[0].service_->response_count()); } +TEST_F(SingleBalancerTest, AllServersUnreachableFailFast) { + SetNextResolutionAllBalancers(); + const size_t kNumUnreachableServers = 5; + std::vector<int> ports; + for (size_t i = 0; i < kNumUnreachableServers; ++i) { + ports.push_back(grpc_pick_unused_port_or_die()); + } + ScheduleResponseForBalancer( + 0, BalancerServiceImpl::BuildResponseForBackends(ports, {}), 0); + const Status status = SendRpc(); + // The error shouldn't be DEADLINE_EXCEEDED. + EXPECT_EQ(StatusCode::UNAVAILABLE, status.error_code()); + balancers_[0]->NotifyDoneWithServerlists(); + // The balancer got a single request. + EXPECT_EQ(1U, balancer_servers_[0].service_->request_count()); + // and sent a single response. + EXPECT_EQ(1U, balancer_servers_[0].service_->response_count()); +} + TEST_F(SingleBalancerTest, Fallback) { SetNextResolutionAllBalancers(); const int kFallbackTimeoutMs = 200 * grpc_test_slowdown_factor(); |