linux-kernel - [for-next][PATCH 3/8] ktest.pl: Define PRE_TEST_DIE to kill the test if the PRE

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Date:   Wed, 01 Jul 2020 19:17:20 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     linux-kernel@...r.kernel.org
Cc:     "John Warthog9 Hawley" <warthog9@...nel.org>
Subject: [for-next][PATCH 3/8] ktest.pl: Define PRE_TEST_DIE to kill the test if the PRE_TEST fails

From: "Steven Rostedt (VMware)" <rostedt@...dmis.org>

Currently, if a PRE_TEST is defined and ran, but fails, there's nothing
currently available to make the test fail too. Add a PRE_TEST_DIE option that
when set, if a PRE_TEST is defined and fails, the test will die too.

Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
---
 tools/testing/ktest/ktest.pl    | 8 +++++++-
 tools/testing/ktest/sample.conf | 5 +++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 5d5cf3e1e81a..f99cf633ed84 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -98,6 +98,7 @@ my $final_post_ktest;
 my $pre_ktest;
 my $post_ktest;
 my $pre_test;
+my $pre_test_die;
 my $post_test;
 my $pre_build;
 my $post_build;
@@ -273,6 +274,7 @@ my %option_map = (
     "PRE_KTEST"			=> \$pre_ktest,
     "POST_KTEST"		=> \$post_ktest,
     "PRE_TEST"			=> \$pre_test,
+    "PRE_TEST_DIE"		=> \$pre_test_die,
     "POST_TEST"			=> \$post_test,
     "BUILD_TYPE"		=> \$build_type,
     "BUILD_OPTIONS"		=> \$build_options,
@@ -4347,7 +4349,11 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
     doprint "RUNNING TEST $i of $opt{NUM_TESTS}$name with option $test_type $run_type$installme\n\n";
 
     if (defined($pre_test)) {
-	run_command $pre_test;
+	my $ret = run_command $pre_test;
+	if (!$ret && defined($pre_test_die) &&
+	    $pre_test_die) {
+	    dodie "failed to pre_test\n";
+	}
     }
 
     unlink $dmesg;
diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf
index 27666b8007ed..cb8227fbd01e 100644
--- a/tools/testing/ktest/sample.conf
+++ b/tools/testing/ktest/sample.conf
@@ -557,6 +557,11 @@
 # default (undefined)
 #PRE_TEST = ${SSH} reboot_to_special_kernel
 
+# To kill the entire test if PRE_TEST is defined but fails set this
+# to 1.
+# (default 0)
+#PRE_TEST_DIE = 1
+
 # If there is a command you want to run after the individual test case
 # completes, then you can set this option.
 #
-- 
2.26.2