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45 lines
2 KiB
JavaScript
45 lines
2 KiB
JavaScript
// Test for https://github.com/ether/etherpad-lite/issues/1763
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// This test fails in Opera, IE and Safari
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// Opera fails due to a weird way of handling the order of execution, yet actual performance seems fine
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// Safari fails due the delay being too great yet the actual performance seems fine
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// Firefox might panic that the script is taking too long so will fail
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// IE will fail due to running out of memory as it can't fit 2M chars in memory.
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// Just FYI Google Docs crashes on large docs whilst trying to Save, it's likely the limitations we are
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// experiencing are more to do with browser limitations than improper implementation.
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// A ueber fix for this would be to have a separate lower cpu priority thread that handles operations that aren't
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// visible to the user.
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// Adapted from John McLear's original test case.
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describe('Responsiveness of Editor', function() {
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// create a new pad before each test run
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beforeEach(function(cb) {
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helper.newPad(cb);
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this.timeout(60000)
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});
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// JM commented out on 8th Sep 2020 for a release, after release this needs uncommenting
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// And the test needs to be fixed to work in Firefox 52 on Windows 7. I am not sure why it fails on this specific platform
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// The errors show this.timeout... then crash the browser but I am sure something is actually causing the stack trace and
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// I just need to narrow down what, offers to help accepted.
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it('Fast response to keypress in pad with large amount of contents', function(done) {
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var start = Date.now(); // get the start time
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// send some new text to the screen (ensure all 3 key events are sent)
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var el = helper.padInner$('div').first();
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for(var i = 0; i < 300; ++i) {
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var x = "0".charCodeAt(0);
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['keyup', 'keypress', 'keydown'].forEach(function(type) {
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var e = $.Event(type);
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e.keyCode = x;
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el.trigger(e);
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});
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}
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var end = Date.now(); // get the current time
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var delay = end - start; // get the delay as the current time minus the start time
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expect(delay).to.be.below(1);
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done();
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})
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});
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