Add a mechanism to plumb arbitary command line flags to the c-ares unit test binary

templates/test/cpp/naming/resolver_component_tests_defs.include

@@ -39,6 +39,9 @@ argp.add_argument('--dns_resolver_bin_path', default=None, type=str,
                   help=('Path to the DNS health check utility.'))
 argp.add_argument('--tcp_connect_bin_path', default=None, type=str,
                   help=('Path to the TCP health check utility.'))
+argp.add_argument('--extra_args', default='', type=str,
+                  help=('Comma-separate list of command args to '
+		        'plumb through to --test_bin_path'))
 args = argp.parse_args()
 
 def test_runner_log(msg):
@@ -131,7 +134,8 @@ current_test_subprocess = subprocess.Popen([\
 
 \
   % endfor
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])\
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))\
 
 current_test_subprocess.communicate()\
 

test/cpp/naming/resolver_component_tests_runner.py

@@ -39,6 +39,9 @@ argp.add_argument('--dns_resolver_bin_path', default=None, type=str,
                   help=('Path to the DNS health check utility.'))
 argp.add_argument('--tcp_connect_bin_path', default=None, type=str,
                   help=('Path to the TCP health check utility.'))
+argp.add_argument('--extra_args', default='', type=str,
+                  help=('Comma-separate list of command args to '
+		        'plumb through to --test_bin_path'))
 args = argp.parse_args()
 
 def test_runner_log(msg):
@@ -130,7 +133,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -147,7 +151,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -164,7 +169,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -181,7 +187,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -198,7 +205,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -215,7 +223,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -232,7 +241,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -249,7 +259,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -266,7 +277,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -283,7 +295,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -300,7 +313,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -317,7 +331,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -334,7 +349,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -351,7 +367,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -368,7 +385,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'False',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -385,7 +403,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'False',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -402,7 +421,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'False',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -419,7 +439,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'False',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -436,7 +457,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'False',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -453,7 +475,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'False',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -470,7 +493,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'False',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -487,7 +511,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'False',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -504,7 +529,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -521,7 +547,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -538,7 +565,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -555,7 +583,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -572,7 +601,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'True',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -589,7 +619,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'True',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1
@@ -606,7 +637,8 @@ current_test_subprocess = subprocess.Popen([
   '--enable_srv_queries', 'True',
   '--enable_txt_queries', 'True',
   '--inject_broken_nameserver_list', 'False',
-  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])
+  '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port
+  ] + filter(lambda x: x, args.extra_args.split(',')))
 current_test_subprocess.communicate()
 if current_test_subprocess.returncode != 0:
   num_test_failures += 1

test/cpp/naming/resolver_component_tests_runner_invoker.cc

@@ -56,6 +56,10 @@ ABSL_FLAG(std::string, grpc_test_directory_relative_to_test_srcdir,
           "Directory of the <repo-root>/test directory relative to bazel's "
           "TEST_SRCDIR environment variable");
 
+ABSL_FLAG(std::string, extra_args, "",
+          "Comma-separated list of opaque command args to plumb through to "
+          "the binary pointed at by --test_bin_name");
+
 using grpc::SubProcess;
 
 static volatile sig_atomic_t abort_wait_for_child = 0;
@@ -117,7 +121,8 @@ void InvokeResolverComponentTestsRunner(
        "--records_config_path=" + records_config_path,
        "--dns_server_port=" + std::to_string(dns_server_port),
        "--dns_resolver_bin_path=" + dns_resolver_bin_path,
-       "--tcp_connect_bin_path=" + tcp_connect_bin_path});
+       "--tcp_connect_bin_path=" + tcp_connect_bin_path,
+       "--extra_args=" + absl::GetFlag(FLAGS_extra_args)});
   gpr_mu test_driver_mu;
   gpr_mu_init(&test_driver_mu);
   gpr_cv test_driver_cv;