From 0dea7a8945156f4e1e4144e160144c6b5cbd02e2 Mon Sep 17 00:00:00 2001
From: Zouhair AMAZZAL <zouhair.amazzal@01talent.com>
Date: Wed, 7 Dec 2022 14:52:13 +0100
Subject: [PATCH] test(json-researcher): check echo is used

---
 sh/tests/json-researcher_test.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sh/tests/json-researcher_test.sh b/sh/tests/json-researcher_test.sh
index 20957d1c6..6e11f783c 100755
--- a/sh/tests/json-researcher_test.sh
+++ b/sh/tests/json-researcher_test.sh
@@ -11,6 +11,10 @@ FILENAME="student/json-researcher.sh"
 if [ -f ${FILENAME} ]; then
     # FILE exists and it's not empty
     if [ -s ${FILENAME} ]; then
+        if [[ $(cat $FILENAME | grep echo | wc -l) -ne 0 ]]; then
+            echo "echo is not allowed in this exercise!";
+            exit 1
+        fi
         submitted=$(bash $FILENAME)
         expected=$(bash solutions/json-researcher.sh)
         diff <(echo "$submitted") <(echo "$expected")