40 lines
1.6 KiB
JavaScript
40 lines
1.6 KiB
JavaScript
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/* globals Worker, location */
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describe('Worker', function () {
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var workerErrorEventToError = function (errorEvent) {
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var errorText = 'Error in Worker';
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if (errorEvent.filename !== undefined) {
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errorText += ' ' + errorEvent.filename;
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}
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if (errorEvent.lineno !== undefined) {
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errorText += '(' + errorEvent.lineno + ')';
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}
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if (errorEvent.message !== undefined) {
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errorText += ': ' + errorEvent.message;
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}
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return new Error(errorText);
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};
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var canRunWorkerTestInCurrentContext = function () {
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var workerConstructorExists = typeof Worker !== 'undefined';
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var locationPropertyExists = typeof location !== 'undefined';
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var runningOnFileUriScheme = locationPropertyExists && location.protocol === 'file:';
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// The Worker constructor doesn't exist in some older browsers nor does it exist in non-browser contexts like Node.
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// Additionally some browsers (at least Chrome) don't allow Workers over file URIs.
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// To prevent false negative test failures in the cases where Workers are unavailable for either of those reasons
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// we skip this test.
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return workerConstructorExists && !runningOnFileUriScheme;
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};
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if (canRunWorkerTestInCurrentContext()) {
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it('can import es6-shim', function (done) {
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var worker = new Worker('worker-runner.workerjs');
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worker.addEventListener('error', function (errorEvent) { throw workerErrorEventToError(errorEvent); });
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worker.addEventListener('message', function (messageEvent) {
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expect(messageEvent.data).to.eql('ready');
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done();
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});
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});
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}
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});
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