spiegel-keyman/common/predictive-text/unit_tests/in_browser/cases/worker.js

var assert = chai.assert;
var LMLayer = com.keyman.text.prediction.LMLayer;

describe('LMLayerWorker', function () {
  describe('LMLayerWorkerCode', function() {
    it('should exist!', function() {
      assert.isFunction(LMLayerWorkerCode,
        'Could not find LMLayerWorkerCode! Does embedded_worker.js exist?'
      );
    });
  });

  describe('Usage within a Web Worker', function () {
    it('should install itself in the worker context', function (done) {
      let uri = LMLayer.asBlobURI(LMLayerWorkerCode);
      let worker = new Worker(uri);
      worker.onmessage = function thisShouldBeCalled(message) {
        done();
      };
      worker.postMessage({
        message: 'initialize',
        model: { type: 'dummy' },
        capabilities: { maxLeftContextCodeUnits: 64 }
      });
    });
  });
})