Mypal/dom/workers/test/worker_driver.js
2019-03-11 13:26:37 +03:00

65 lines
2.1 KiB
JavaScript

// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/publicdomain/zero/1.0/
//
// Utility script for writing worker tests. In your main document do:
//
// <script type="text/javascript" src="worker_driver.js"></script>
// <script type="text/javascript">
// workerTestExec('myWorkerTestCase.js')
// </script>
//
// This will then spawn a worker, define some utility functions, and then
// execute the code in myWorkerTestCase.js. You can then use these
// functions in your worker-side test:
//
// ok() - like the SimpleTest assert
// is() - like the SimpleTest assert
// workerTestDone() - like SimpleTest.finish() indicating the test is complete
//
// There are also some functions for requesting information that requires
// SpecialPowers or other main-thread-only resources:
//
// workerTestGetVersion() - request the current version string from the MT
// workerTestGetUserAgent() - request the user agent string from the MT
// workerTestGetOSCPU() - request the navigator.oscpu string from the MT
//
// For an example see test_worker_interfaces.html and test_worker_interfaces.js.
function workerTestExec(script) {
SimpleTest.waitForExplicitFinish();
var worker = new Worker('worker_wrapper.js');
worker.onmessage = function(event) {
if (event.data.type == 'finish') {
SimpleTest.finish();
} else if (event.data.type == 'status') {
ok(event.data.status, event.data.msg);
} else if (event.data.type == 'getVersion') {
var result = SpecialPowers.Cc['@mozilla.org/xre/app-info;1'].getService(SpecialPowers.Ci.nsIXULAppInfo).version;
worker.postMessage({
type: 'returnVersion',
result: result
});
} else if (event.data.type == 'getUserAgent') {
worker.postMessage({
type: 'returnUserAgent',
result: navigator.userAgent
});
} else if (event.data.type == 'getOSCPU') {
worker.postMessage({
type: 'returnOSCPU',
result: navigator.oscpu
});
}
}
worker.onerror = function(event) {
ok(false, 'Worker had an error: ' + event.data);
SimpleTest.finish();
};
worker.postMessage({ script: script });
}