Generate test id from internal stack trace

Author: appurva21

lib/sandbox/pmapi-setup-runner.js

@@ -8,6 +8,7 @@
  */
 const _ = require('lodash'),
     FUNCTION = 'function',
+    CryptoJS = require('crypto-js'),
     uuid = require('../vendor/uuid'),
 
     OPTIONS = {
@@ -62,13 +63,12 @@ module.exports = function (pm, testsState, onAssertion) {
             };
         },
 
-        generateTestId = function (eventName, testName, assertFn, options) {
-            return [
-                eventName,
-                testName,
-                assertFn ? assertFn.toString() : '',
-                JSON.stringify(options)
-            ].join('');
+        generateTestId = function () {
+            const stackTrace = new Error('_internal_').stack;
+
+            // We are creating a hash of the stack trace to generate a unique test id.
+            // This is done to uniquely identify each test in a script irrespective of its signature
+            return CryptoJS.SHA256(stackTrace).toString();
         },
 
         getDefaultTestState = function (options) {