Update: More detailed assert message for rule-tester

eslint · Dec 25, 2017 · 549e40a · 549e40a
1 parent cbf0fb9
commit 549e40a
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/lib/testers/rule-tester.js b/lib/testers/rule-tester.js
@@ -138,7 +138,16 @@ const IT = Symbol("it");
  * @returns {any} Returned value of `method`.
  */
 function defaultHandler(text, method) {
-    return method.apply(this);
+    try {
+        return method.apply(this);
+    } catch (e) {
+        // options.message should not be passed, otherwise the diff message will be lost.
+        throw new assert.AssertionError({
+            actual: e.actual,
+            expected: e.expected,
+            operator: e.operator
+        });
+    }
 }
 
 class RuleTester {