better test_case flag help formating

1 files changed, 46 insertions, 50 deletions

diff --git a/test/cpp/interop/client.cc b/test/cpp/interop/client.cc
index c7d081100e..e8ae6ee572 100644
--- a/test/cpp/interop/client.cc
+++ b/test/cpp/interop/client.cc
@@ -54,34 +54,31 @@ DEFINE_string(server_host, "127.0.0.1", "Server host to connect to");
 DEFINE_string(server_host_override, "foo.test.google.fr",
               "Override the server host which is sent in HTTP header");
 DEFINE_string(test_case, "large_unary",
-              "Configure different test cases. Valid options are: "
-              "empty_unary : empty (zero bytes) request and response; "
-              "large_unary : single request and (large) response; "
-
-              "client_compressed_unary : single compressed request; "
-              "server_compressed_unary : single compressed response; "
-
-              "client_streaming : request streaming with single response; "
-              "server_streaming : single request with response streaming; "
+              "Configure different test cases. Valid options are:\n\n"
+              "all : all test cases;\n"
+              "cancel_after_begin : cancel stream after starting it;\n"
+              "cancel_after_first_response: cancel on first response;\n"
               "client_compressed_streaming : compressed request streaming with "
-              "single response; "
+              "client_compressed_unary : single compressed request;\n"
+              "client_streaming : request streaming with single response;\n"
+              "compute_engine_creds: large_unary with compute engine auth;\n"
+              "custom_metadata: server will echo custom metadata;\n"
+              "empty_stream : bi-di stream with no request/response;\n"
+              "empty_unary : empty (zero bytes) request and response;\n"
+              "half_duplex : half-duplex streaming;\n"
+              "jwt_token_creds: large_unary with JWT token auth;\n"
+              "large_unary : single request and (large) response;\n"
+              "oauth2_auth_token: raw oauth2 access token auth;\n"
+              "per_rpc_creds: raw oauth2 access token on a single rpc;\n"
+              "ping_pong : full-duplex streaming;\n"
+              "response streaming;\n"
               "server_compressed_streaming : single request with compressed "
-              "response streaming; "
-              "slow_consumer : single request with response; "
-              " streaming with slow client consumer; "
-              "half_duplex : half-duplex streaming; "
-              "ping_pong : full-duplex streaming; "
-              "cancel_after_begin : cancel stream after starting it; "
-              "cancel_after_first_response: cancel on first response; "
-              "timeout_on_sleeping_server: deadline exceeds on stream; "
-              "empty_stream : bi-di stream with no request/response; "
-              "compute_engine_creds: large_unary with compute engine auth; "
-              "jwt_token_creds: large_unary with JWT token auth; "
-              "oauth2_auth_token: raw oauth2 access token auth; "
-              "per_rpc_creds: raw oauth2 access token on a single rpc; "
-              "status_code_and_message: verify status code & message; "
-              "custom_metadata: server will echo custom metadata;"
-              "all : all of above.");
+              "server_compressed_unary : single compressed response;\n"
+              "server_streaming : single request with response streaming;\n"
+              "slow_consumer : single request with response streaming with "
+              "slow client consumer;\n"
+              "status_code_and_message: verify status code & message;\n"
+              "timeout_on_sleeping_server: deadline exceeds on stream;\n");
 DEFINE_string(default_service_account, "",
               "Email of GCE default service account");
 DEFINE_string(service_account_key_file, "",
@@ -178,30 +175,29 @@ int main(int argc, char** argv) {
     }
     // compute_engine_creds only runs in GCE.
   } else {
-    const char* testcases[] =
-    { "all",
-      "cancel_after_begin",
-      "cancel_after_first_response",
-      "client_compressed_streaming",
-      "client_compressed_unary",
-      "client_streaming",
-      "compute_engine_creds",
-      "custom_metadata",
-      "empty_stream",
-      "empty_unary",
-      "half_duplex",
-      "jwt_token_creds",
-      "large_unary",
-      "oauth2_auth_token",
-      "oauth2_auth_token",
-      "per_rpc_creds",
-      "per_rpc_creds",
-      "ping_pong",
-      "server_compressed_streaming",
-      "server_compressed_unary",
-      "server_streaming",
-      "status_code_and_message",
-      "timeout_on_sleeping_server"};
+    const char* testcases[] = {"all",
+                               "cancel_after_begin",
+                               "cancel_after_first_response",
+                               "client_compressed_streaming",
+                               "client_compressed_unary",
+                               "client_streaming",
+                               "compute_engine_creds",
+                               "custom_metadata",
+                               "empty_stream",
+                               "empty_unary",
+                               "half_duplex",
+                               "jwt_token_creds",
+                               "large_unary",
+                               "oauth2_auth_token",
+                               "oauth2_auth_token",
+                               "per_rpc_creds",
+                               "per_rpc_creds",
+                               "ping_pong",
+                               "server_compressed_streaming",
+                               "server_compressed_unary",
+                               "server_streaming",
+                               "status_code_and_message",
+                               "timeout_on_sleeping_server"};
     char* joined_testcases =
         gpr_strjoin_sep(testcases, GPR_ARRAY_SIZE(testcases), "\n", NULL);