fix(validate): address review feedbacks of cubic bot

Signed-off-by: Vaibhav mittal <vaibhavmittal929@gmail.com>

Author: Vaibhav701161

test/validate/fail_path_ref_outside_subtree.sh

@@ -29,9 +29,35 @@ cat << 'EOF' > "$TMP/instance.json"
 EOF
 
 "$1" validate "$TMP/document.json" "$TMP/instance.json" \
-  --path "/components/schemas/User" \
-  > /dev/null 2>&1 \
+  --path "/components/schemas/User" 2> "$TMP/stderr.txt" \
   && EXIT_CODE="$?" || EXIT_CODE="$?"
-# Validation should fail when $ref points outside extracted subtree
-test "$EXIT_CODE" -ne "0"
+# Schema input error: $ref outside extracted subtree cannot be resolved during bundling
+test "$EXIT_CODE" = "4"
+
+cat << EOF > "$TMP/expected.txt"
+error: Could not resolve schema reference
+  at identifier file://$(realpath "$TMP")/document.json#/components/schemas/Address
+  at file path $(realpath "$TMP")/document.json
+  at location "/\$ref"
+EOF
+
+diff "$TMP/stderr.txt" "$TMP/expected.txt"
+
+# JSON error
+"$1" validate "$TMP/document.json" "$TMP/instance.json" \
+  --path "/components/schemas/User" --json > "$TMP/stdout.txt" \
+  && EXIT_CODE="$?" || EXIT_CODE="$?"
+# Schema input error
+test "$EXIT_CODE" = "4"
+
+cat << EOF > "$TMP/expected.txt"
+{
+  "error": "Could not resolve schema reference",
+  "identifier": "file://$(realpath "$TMP")/document.json#/components/schemas/Address",
+  "filePath": "$(realpath "$TMP")/document.json",
+  "location": "/\$ref"
+}
+EOF
+
+diff "$TMP/stdout.txt" "$TMP/expected.txt"