From b6059e2e86e5ad060d9323293220d351770d96b9 Mon Sep 17 00:00:00 2001
From: "Mark D. Roth" <roth@google.com>
Date: Wed, 24 Oct 2018 07:13:58 -0700
Subject: Fail wait_for_ready=false RPCs when channel is in TRANSIENT_FAILURE.

---
 test/cpp/end2end/client_lb_end2end_test.cc | 18 ++++++++++--------
 test/cpp/end2end/grpclb_end2end_test.cc    |  8 +++++---
 2 files changed, 15 insertions(+), 11 deletions(-)

(limited to 'test/cpp')

diff --git a/test/cpp/end2end/client_lb_end2end_test.cc b/test/cpp/end2end/client_lb_end2end_test.cc
index a9d68ab058..2110da84ee 100644
--- a/test/cpp/end2end/client_lb_end2end_test.cc
+++ b/test/cpp/end2end/client_lb_end2end_test.cc
@@ -212,13 +212,14 @@ class ClientLbEnd2endTest : public ::testing::Test {
   bool SendRpc(
       const std::unique_ptr<grpc::testing::EchoTestService::Stub>& stub,
       EchoResponse* response = nullptr, int timeout_ms = 1000,
-      Status* result = nullptr) {
+      Status* result = nullptr, bool wait_for_ready = false) {
     const bool local_response = (response == nullptr);
     if (local_response) response = new EchoResponse;
     EchoRequest request;
     request.set_message(kRequestMessage_);
     ClientContext context;
     context.set_deadline(grpc_timeout_milliseconds_to_deadline(timeout_ms));
+    if (wait_for_ready) context.set_wait_for_ready(true);
     Status status = stub->Echo(&context, request, response);
     if (result != nullptr) *result = status;
     if (local_response) delete response;
@@ -227,10 +228,11 @@ class ClientLbEnd2endTest : public ::testing::Test {
 
   void CheckRpcSendOk(
       const std::unique_ptr<grpc::testing::EchoTestService::Stub>& stub,
-      const grpc_core::DebugLocation& location) {
+      const grpc_core::DebugLocation& location, bool wait_for_ready = false) {
     EchoResponse response;
     Status status;
-    const bool success = SendRpc(stub, &response, 2000, &status);
+    const bool success =
+        SendRpc(stub, &response, 2000, &status, wait_for_ready);
     ASSERT_TRUE(success) << "From " << location.file() << ":" << location.line()
                          << "\n"
                          << "Error: " << status.error_message() << " "
@@ -301,7 +303,7 @@ class ClientLbEnd2endTest : public ::testing::Test {
       if (ignore_failure) {
         SendRpc(stub);
       } else {
-        CheckRpcSendOk(stub, location);
+        CheckRpcSendOk(stub, location, true);
       }
     } while (servers_[server_idx]->service_.request_count() == 0);
     ResetCounters();
@@ -506,7 +508,7 @@ TEST_F(ClientLbEnd2endTest, PickFirstUpdates) {
   do {
     channel_state = channel->GetState(true /* try to connect */);
   } while (channel_state == GRPC_CHANNEL_READY);
-  GPR_ASSERT(channel_state != GRPC_CHANNEL_READY);
+  ASSERT_NE(channel_state, GRPC_CHANNEL_READY);
   servers_[0]->service_.ResetCounters();
 
   // Next update introduces servers_[1], making the channel recover.
@@ -830,7 +832,7 @@ TEST_F(ClientLbEnd2endTest, RoundRobinUpdates) {
   do {
     channel_state = channel->GetState(true /* try to connect */);
   } while (channel_state == GRPC_CHANNEL_READY);
-  GPR_ASSERT(channel_state != GRPC_CHANNEL_READY);
+  ASSERT_NE(channel_state, GRPC_CHANNEL_READY);
   servers_[0]->service_.ResetCounters();
 
   // Next update introduces servers_[1], making the channel recover.
@@ -839,7 +841,7 @@ TEST_F(ClientLbEnd2endTest, RoundRobinUpdates) {
   SetNextResolution(ports);
   WaitForServer(stub, 1, DEBUG_LOCATION);
   channel_state = channel->GetState(false /* try to connect */);
-  GPR_ASSERT(channel_state == GRPC_CHANNEL_READY);
+  ASSERT_EQ(channel_state, GRPC_CHANNEL_READY);
 
   // Check LB policy name for the channel.
   EXPECT_EQ("round_robin", channel->GetLoadBalancingPolicyName());
@@ -952,7 +954,7 @@ TEST_F(ClientLbEnd2endTest, RoundRobinReresolve) {
     if (SendRpc(stub)) break;
     now = gpr_now(GPR_CLOCK_MONOTONIC);
   }
-  GPR_ASSERT(gpr_time_cmp(deadline, now) > 0);
+  ASSERT_GT(gpr_time_cmp(deadline, now), 0);
 }
 
 TEST_F(ClientLbEnd2endTest, RoundRobinSingleReconnect) {
diff --git a/test/cpp/end2end/grpclb_end2end_test.cc b/test/cpp/end2end/grpclb_end2end_test.cc
index b69b861fcf..6ce0696114 100644
--- a/test/cpp/end2end/grpclb_end2end_test.cc
+++ b/test/cpp/end2end/grpclb_end2end_test.cc
@@ -539,13 +539,15 @@ class GrpclbEnd2endTest : public ::testing::Test {
     balancers_.at(i)->add_response(response, delay_ms);
   }
 
-  Status SendRpc(EchoResponse* response = nullptr, int timeout_ms = 1000) {
+  Status SendRpc(EchoResponse* response = nullptr, int timeout_ms = 1000,
+                 bool wait_for_ready = false) {
     const bool local_response = (response == nullptr);
     if (local_response) response = new EchoResponse;
     EchoRequest request;
     request.set_message(kRequestMessage_);
     ClientContext context;
     context.set_deadline(grpc_timeout_milliseconds_to_deadline(timeout_ms));
+    if (wait_for_ready) context.set_wait_for_ready(true);
     Status status = stub_->Echo(&context, request, response);
     if (local_response) delete response;
     return status;
@@ -1366,7 +1368,7 @@ TEST_F(SingleBalancerTest, DropAllFirst) {
           {}, {{"rate_limiting", num_of_drop_by_rate_limiting_addresses},
                {"load_balancing", num_of_drop_by_load_balancing_addresses}}),
       0);
-  const Status status = SendRpc();
+  const Status status = SendRpc(nullptr, 1000, true);
   EXPECT_FALSE(status.ok());
   EXPECT_EQ(status.error_message(), "Call dropped by load balancing policy");
 }
@@ -1391,7 +1393,7 @@ TEST_F(SingleBalancerTest, DropAll) {
   // fail.
   Status status;
   do {
-    status = SendRpc();
+    status = SendRpc(nullptr, 1000, true);
   } while (status.ok());
   EXPECT_FALSE(status.ok());
   EXPECT_EQ(status.error_message(), "Call dropped by load balancing policy");
-- 
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