test: use common module API in test-child-process-exec-stdout-stderr-…

…data-string PR-URL: #17751 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Yuta Hiroto <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Jon Moss <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]>
nodejs · Jan 9, 2018 · ded097a · ded097a
1 parent 2d61b9e
commit ded097a
Showing 1 changed file with 4 additions and 14 deletions.
diff --git a/test/parallel/test-child-process-exec-stdout-stderr-data-string.js b/test/parallel/test-child-process-exec-stdout-stderr-data-string.js
@@ -4,20 +4,10 @@ const common = require('../common');
 const assert = require('assert');
 const exec = require('child_process').exec;
 
-let stdoutCalls = 0;
-let stderrCalls = 0;
-
 const command = common.isWindows ? 'dir' : 'ls';
-exec(command).stdout.on('data', (data) => {
-  stdoutCalls += 1;
-});
 
-exec('fhqwhgads').stderr.on('data', (data) => {
-  assert.strictEqual(typeof data, 'string');
-  stderrCalls += 1;
-});
+exec(command).stdout.on('data', common.mustCallAtLeast());
 
-process.on('exit', () => {
-  assert(stdoutCalls > 0);
-  assert(stderrCalls > 0);
-});
+exec('fhqwhgads').stderr.on('data', common.mustCallAtLeast((data) => {
+  assert.strictEqual(typeof data, 'string');
+}));