From 6a60cfc17d092bf65c3a5ed8d1cb13eaf616fee2 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 31 Oct 2024 01:47:35 -0400
Subject: Allow for tests where we don't know the actual list of tests

This will be used for syzbot-repro.ktest, which will take as an argument
a syzbot reproducer to download and run.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
 lib/parse-test.sh | 16 +++++++++-------
 lib/testrunner    |  2 +-
 tests/prelude.sh  |  2 ++
 3 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/lib/parse-test.sh b/lib/parse-test.sh
index 419cf57..42a476e 100644
--- a/lib/parse-test.sh
+++ b/lib/parse-test.sh
@@ -18,7 +18,7 @@ parse_test_deps()
     ktest_tests=$("$ktest_test" list-tests)
     ktest_tests=$(echo $ktest_tests)
 
-    if [[ -z $ktest_tests ]]; then
+    if [[ -z $ktest_tests ]] && ! $ktest_tests_unknown; then
 	echo "No tests found"
 	echo "TEST FAILED"
 	exit 1
@@ -28,12 +28,14 @@ parse_test_deps()
 
     # Ensure specified tests exist:
     if [[ -n $ktest_testargs ]]; then
-	for t in $ktest_testargs; do
-	    if ! echo "$ktest_tests"|grep -wq "$t"; then
-		echo "Test $t not found"
-		exit 1
-	    fi
-	done
+	if ! $ktest_tests_unknown; then
+	    for t in $ktest_testargs; do
+		if ! echo "$ktest_tests"|grep -wq "$t"; then
+		    echo "Test $t not found"
+		    exit 1
+		fi
+	    done
+	fi
 
 	ktest_tests="$ktest_testargs"
     fi
diff --git a/lib/testrunner b/lib/testrunner
index a7de937..fae4c85 100755
--- a/lib/testrunner
+++ b/lib/testrunner
@@ -156,7 +156,7 @@ do_reboot()
 echo -n "Kernel version: "
 uname -r
 
-if [[ -z $ktest_tests ]]; then
+if [[ -z $ktest_tests ]] && ! $ktest_tests_unknown; then
     echo "No tests found"
     echo "TEST FAILED"
     exit 1
diff --git a/tests/prelude.sh b/tests/prelude.sh
index 22395df..b1bc878 100644
--- a/tests/prelude.sh
+++ b/tests/prelude.sh
@@ -35,6 +35,7 @@ if [[ ! -v ktest_cpus ]]; then
     ktest_qemu_append=()
     ktest_compiler=gcc
     ktest_allow_taint=false
+    ktest_tests_unknown=false
 
     BUILD_ON_HOST=""
 fi
@@ -353,6 +354,7 @@ main()
 	    echo "ktest_kernel_config_require_soft=(${ktest_kernel_config_require_soft[@]})"
 	    echo "ktest_qemu_append=(${ktest_qemu_append[@]})"
 	    echo "ktest_allow_taint=$ktest_allow_taint"
+	    echo "ktest_tests_unknown=$ktest_tests_unknown"
 	    ;;
 	init)
 	    create_ktest_user
-- 
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