My app server uses node.js cluster API cluster.fork() to fork multiple child processes. This works fine.
However, when I try to use vows for unit test, the test also got run multiple times because of the call to cluster.fork() inside my app server; as I instantiate the server inside my test code, as follows:
basic-test.js
var vows = require('vows');
var MyAppServer = require('../my_app');
// start the server
var app = MyAppServer.start();
var suite = vows.describe('My Tests');
suite.discuss('connections API')
.addBatch({ ... })
.export(module);
How do I prevent test code to run multiple times in this case ? This test is included in npm test, so I need a way to instantiate my app server inside test itself.
At the top you can do
var cluster = require('cluster');
Then wrap the suite in an if
:
if (cluster.isMaster) {
var suite = ...
...
}
For more info on isMaster
, check the documentation
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