selftests: Move KTAP bash helpers to selftests common folder

Move bash helpers for outputting in KTAP format to the common selftests
folder. This allows kselftests other than the dt one to source the file
and make use of the helper functions.
Define pass, fail and skip codes in the same file too.

Signed-off-by: Laura Nao <laura.nao@collabora.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

1 files changed, 76 insertions, 0 deletions

diff --git a/tools/testing/selftests/kselftest/ktap_helpers.sh b/tools/testing/selftests/kselftest/ktap_helpers.sh
new file mode 100644
index 000000000000..dd79d96f3b5a
--- /dev/null
+++ b/tools/testing/selftests/kselftest/ktap_helpers.sh
@@ -0,0 +1,76 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (c) 2023 Collabora Ltd
+#
+# Helpers for outputting in KTAP format
+#
+KTAP_TESTNO=1
+KTAP_CNT_PASS=0
+KTAP_CNT_FAIL=0
+KTAP_CNT_SKIP=0
+
+KSFT_PASS=0
+KSFT_FAIL=1
+KSFT_XFAIL=2
+KSFT_XPASS=3
+KSFT_SKIP=4
+
+ktap_print_header() {
+	echo "TAP version 13"
+}
+
+ktap_set_plan() {
+	num_tests="$1"
+
+	echo "1..$num_tests"
+}
+
+ktap_skip_all() {
+	echo -n "1..0 # SKIP "
+	echo $@
+}
+
+__ktap_test() {
+	result="$1"
+	description="$2"
+	directive="$3" # optional
+
+	local directive_str=
+	[[ ! -z "$directive" ]] && directive_str="# $directive"
+
+	echo $result $KTAP_TESTNO $description $directive_str
+
+	KTAP_TESTNO=$((KTAP_TESTNO+1))
+}
+
+ktap_test_pass() {
+	description="$1"
+
+	result="ok"
+	__ktap_test "$result" "$description"
+
+	KTAP_CNT_PASS=$((KTAP_CNT_PASS+1))
+}
+
+ktap_test_skip() {
+	description="$1"
+
+	result="ok"
+	directive="SKIP"
+	__ktap_test "$result" "$description" "$directive"
+
+	KTAP_CNT_SKIP=$((KTAP_CNT_SKIP+1))
+}
+
+ktap_test_fail() {
+	description="$1"
+
+	result="not ok"
+	__ktap_test "$result" "$description"
+
+	KTAP_CNT_FAIL=$((KTAP_CNT_FAIL+1))
+}
+
+ktap_print_totals() {
+	echo "# Totals: pass:$KTAP_CNT_PASS fail:$KTAP_CNT_FAIL xfail:0 xpass:0 skip:$KTAP_CNT_SKIP error:0"
+}