Bug #11751927 42960: MTR2: NO MORE --STRESS PARAMETERS

Quick fix: run mysql-stress-test.pl via a wrapper test
  Amend mtr to run just that test when using --stress
  Updated mysql-stress-test.pl to exit(1) if wrong options

mysql-test/mysql-stress-test.pl

@@ -238,9 +238,9 @@ GetOptions("server-host=s", "server-logs-dir=s", "server-port=s",
            "test-duration=i", "test-suffix=s", "check-tests-file", 
            "verbose", "log-error-details", "cleanup", "mysqltest=s", 
            # OBN: (changing 'abort-on-error' to numberic for WL-4626/4685) 
-           "abort-on-error=i" => \$opt_abort_on_error, "help") || usage();
+           "abort-on-error=i" => \$opt_abort_on_error, "help") || usage(1);
 
-usage() if ($opt_help);
+usage(0) if ($opt_help);
 
 #$opt_abort_on_error=1;
 
@@ -1131,6 +1131,7 @@ sub sig_TERM_handler
 
 sub usage
 {
+  my $retcode= shift;
   print <<EOF;
 
 The MySQL Stress suite Ver $stress_suite_version
@@ -1234,7 +1235,7 @@ perl mysql-stress-test.pl \
 --cleanup \
 
 EOF
-exit(0);
+exit($retcode);
 }
 
 

mysql-test/mysql-test-run.pl

@@ -181,6 +181,8 @@ our @opt_combinations;
 our @opt_extra_mysqld_opt;
 our @opt_mysqld_envs;
 
+my $opt_stress;
+
 my $opt_compress;
 my $opt_ssl;
 my $opt_skip_ssl;
@@ -423,8 +425,8 @@ sub main {
   }
   $ENV{MTR_PARALLEL} = $opt_parallel;
 
-  if ($opt_parallel > 1 && $opt_start_exit) {
+  if ($opt_parallel > 1 && ($opt_start_exit || $opt_stress)) {
-    mtr_warning("Parallel and --start-and-exit cannot be combined\n" .
+    mtr_warning("Parallel cannot be used with --start-and-exit or --stress\n" .
                "Setting parallel to 1");
     $opt_parallel= 1;
   }
@@ -1174,6 +1176,7 @@ sub command_line_setup {
 	     'report-times'             => \$opt_report_times,
 	     'result-file'              => \$opt_resfile,
 	     'unit-tests!'              => \$opt_ctest,
+	     'stress=s'                 => \$opt_stress,
 
              'help|h'                   => \$opt_usage,
 	     # list-options is internal, not listed in help
@@ -1627,6 +1630,22 @@ sub command_line_setup {
     mtr_error("--wait-all can only be used with --start options");
   }
 
+  # --------------------------------------------------------------------------
+  # Gather stress-test options and modify behavior
+  # --------------------------------------------------------------------------
+
+  if ($opt_stress)
+  {
+    $opt_stress=~ s/,/ /g;
+    $opt_user_args= 1;
+    mtr_error("--stress cannot be combined with named ordinary suites or tests")
+      if $opt_suites || @opt_cases;
+    $opt_suites="stress";
+    @opt_cases= ("wrapper");
+    $ENV{MST_OPTIONS}= $opt_stress;
+    $opt_ctest= 0;
+  }
+
   # --------------------------------------------------------------------------
   # Check timeout arguments
   # --------------------------------------------------------------------------
@@ -6128,6 +6147,8 @@ Misc options
   nounit-tests          Do not run unit tests. Normally run if configured
                         and if not running named tests/suites
   unit-tests            Run unit tests even if they would otherwise not be run
+  stress=ARGS           Run stress test, providing options to
+                        mysql-stress-test.pl. Options are separated by comma.
 
 Some options that control enabling a feature for normal test runs,
 can be turned off by prepending 'no' to the option, e.g. --notimer.

mysql-test/suite/stress/t/wrapper.test

@@ -0,0 +1,29 @@
+#
+# This is a wrapper "pseudo" test for mtr --stress execution.
+# It should not be run directly (will be skipped)
+# Do not create a result file!
+# 
+
+if (!$MST_OPTIONS) {
+  skip Only to be run with mtr --stress;
+}
+
+# echo Running MST with options $MST_OPTIONS;
+
+perl;
+  my ($mtest)= split " ", $ENV{MYSQL_TEST};
+  open(FILE, ">", "$ENV{MYSQL_TMP_DIR}/mtest.inc") or die;
+  print FILE "let \$MYSQLTEST_BIN= $mtest;\n";
+  close FILE;
+EOF
+
+--source $MYSQL_TMP_DIR/mtest.inc
+--remove_file $MYSQL_TMP_DIR/mtest.inc
+
+exec perl mysql-stress-test.pl --mysqltest=$MYSQLTEST_BIN
+         --server-port=$MASTER_MYPORT --server-socket=$MASTER_MYSOCK
+         --server-user=root --cleanup
+         --server-logs-dir=$MYSQLTEST_VARDIR/log
+         --stress-basedir=$MYSQLTEST_VARDIR
+	 $MST_OPTIONS
+;