test: increase test-resource-usage.js validation

This commit adds an assertion checking the exact field names returned by process.resourceUsage(). This ensures that no new fields accidentally slip into the returned object in the future. PR-URL: nodejs#28498 Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Rich Trott <[email protected]>
bnoordhuis · Jul 3, 2019 · 492037a · 492037a
1 parent fcf8fe9
commit 492037a
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/test/parallel/test-resource-usage.js b/test/parallel/test-resource-usage.js
@@ -3,8 +3,7 @@ require('../common');
 const assert = require('assert');
 
 const rusage = process.resourceUsage();
-
-[
+const fields = [
   'userCPUTime',
   'systemCPUTime',
   'maxRSS',
@@ -21,7 +20,11 @@ const rusage = process.resourceUsage();
   'signalsCount',
   'voluntaryContextSwitches',
   'involuntaryContextSwitches'
-].forEach((n) => {
+];
+
+assert.deepStrictEqual(Object.keys(rusage).sort(), fields.sort());
+
+fields.forEach((n) => {
   assert.strictEqual(typeof rusage[n], 'number', `${n} should be a number`);
   assert(rusage[n] >= 0, `${n} should be above or equal 0`);
 });