how to modify the timeout time

[barrierye]

My node may run slow and always time out when doing unit tests. I want to know how to modify the timeout time.

[knolleary]

This library doesn't concern itself with timeouts. That will depend on what test runner you are using, such as mocha.

[barrierye]

thank you for your reply! I tried to change the timeout time to 5s, but it still timed out. I don’t know why, can you help me? Below is my simplified test code:

var should = require('should');
var helper = require("node-red-node-test-helper");
var chartNode = require("../src/chart-render.js");

helper.init(require.resolve('node-red'));

describe('chart-render Node', function () {
  this.timeout(5000);

  beforeEach(function (done) {
    helper.startServer(done);
  });

  afterEach(function (done) {
    helper.unload();
    helper.stopServer(done);
  });

  it('should be loaded', function (done) {
    var flow = [{ id: "n1", type: "chart-render", name: "test name" }];
    helper.load(chartNode, flow, function () {
      var n1 = helper.getNode("n1");
      n1.should.have.property('name', 'test name');
      done();
    });
  });

  it('should make line chart', function (done) {
    var flow = [{
            id: "chartNode",
            type: "chart-render",
            name: "test name",
        }, {
            id: "helperNode",
            type: "helper"
        }
    ];
    helper.load(chartNode, flow, function () {
      var n1 = helper.getNode("chartNode");
      var n2 = helper.getNode("helperNode");
      n2.on("input", function (msg) {
        try {
            console.log("no output here");    // no output here
            done();
        } catch (err) {
            done(err);
        }
      });
    });
  });

});

The result of running nyc mocha:

> nyc mocha

  chart-render Node
    ✓ should be loaded (103ms)
    1) should make line chart

  1 passing (5s)
  1 failing

  1) chart-render Node
       should make line chart:
     Error: Timeout of 5000ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensure it resolves. (/path/to/chart-render_spec.js)
      at listOnTimeout (internal/timers.js:549:17)
      at processTimers (internal/timers.js:492:7)

I don't know why the code in the try-block are not executed.

[barrierye]

Sorry, I found that I had reversed the input node and the output node.