From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../support/runParallelAsyncHarness.js | 148 +++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 testing/web-platform/tests/css/css-transitions/support/runParallelAsyncHarness.js (limited to 'testing/web-platform/tests/css/css-transitions/support/runParallelAsyncHarness.js') diff --git a/testing/web-platform/tests/css/css-transitions/support/runParallelAsyncHarness.js b/testing/web-platform/tests/css/css-transitions/support/runParallelAsyncHarness.js new file mode 100644 index 0000000000..de9b783790 --- /dev/null +++ b/testing/web-platform/tests/css/css-transitions/support/runParallelAsyncHarness.js @@ -0,0 +1,148 @@ +(function(root){ +'use strict'; +// testharness doesn't know about async test queues, +// so this wrapper takes care of that + +/* USAGE: + runParallelAsyncHarness({ + // list of data to test, must be array of objects. + // each object must contain a "name" property to describe the test + // besides name, the object can contain whatever data you need + tests: [ + {name: "name of test 1", custom: "data"}, + {name: "name of test 2", custom: "data"}, + // ... + ], + + // number of tests (tests, not test-cases!) to run concurrently + testsPerSlice: 100, + + // time in milliseconds a test-run takes + duration: 1000, + + // test-cases to run for for the test - there must be at least one + // each case creates its separate async_test() instance + cases: { + // test case named "test1" + test1: { + // run as a async_test.step() this callback contains your primary assertions + start: function(testCaseKey, data, options){}, + // run as a async_test.step() this callback contains assertions to be run + // when the test ended, immediately before teardown + done: function(testCaseKey, data, options){} + }, + // ... + } + + // all callbacks are optional: + + // invoked for individual test before it starts so you can setup the environment + // like DOM, CSS, adding event listeners and such + setup: function(data, options){}, + + // invoked after a test ended, so you can clean up the environment + // like DOM, CSS, removing event listeners and such + teardown: function(data, options){}, + + // invoked before a batch of tests ("slice") are run concurrently + // tests is an array of test data objects + sliceStart: function(options, tests) + + // invoked after a batch of tests ("slice") were run concurrently + // tests is an array of test data objects + sliceDone: function(options, tests) + + // invoked once all tests are done + done: function(options){} + }) +*/ +root.runParallelAsyncHarness = function(options) { + if (!options.cases) { + throw new Error("Options don't contain test cases!"); + } + + var noop = function(){}; + + // add a 100ms buffer to the test timeout, just in case + var duration = Math.ceil(options.duration + 100); + + // names of individual tests + var cases = Object.keys(options.cases); + + // run tests in a batch of slices + // primarily not to overload weak devices (tablets, phones, …) + // with too many tests running simultaneously + var iteration = -1; + var testPerSlice = options.testsPerSlice || 100; + var slices = Math.ceil(options.tests.length / testPerSlice); + + // initialize all async test cases + // Note: satisfying testharness.js needs to know all async tests before load-event + options.tests.forEach(function(data, index) { + data.cases = {}; + cases.forEach(function(name) { + data.cases[name] = async_test(data.name + " / " + name); + }); + }); + + function runLoop() { + iteration++; + if (iteration >= slices) { + // no more slice, we're done + (options.done || noop)(options); + return; + } + + // grab a slice of testss and initialize them + var offset = iteration * testPerSlice; + var tests = options.tests.slice(offset, offset + testPerSlice); + tests.forEach(function(data) { + (options.setup || noop)(data, options); + + }); + + // kick off the current slice of tests + (options.sliceStart || noop)(options, tests); + + // perform individual "start" test-case + tests.forEach(function(data) { + cases.forEach(function(name) { + data.cases[name].step(function() { + (options.cases[name].start || noop)(data.cases[name], data, options); + }); + }); + }); + + // conclude slice (possibly abort) + var concludeSlice = function() { + tests.forEach(function(data) { + // perform individual "done" test-case + cases.forEach(function(name) { + data.cases[name].step(function() { + (options.cases[name].done || noop)(data.cases[name], data, options); + }); + }); + // clean up after individual test + (options.teardown || noop)(data, options); + // tell harness we're done with individual test-cases + cases.forEach(function(name) { + data.cases[name].done(); + }); + }); + + // finish the test for current slice of tests + (options.sliceDone || noop)(options, tests); + + // next test please, give the browser 50ms to do catch its breath + setTimeout(runLoop, 50); + } + + // wait on RAF before cleanup to make sure all queued event handlers have run + setTimeout(function() {requestAnimationFrame(concludeSlice)},duration); + } + + // allow DOMContentLoaded before actually doing something + setTimeout(runLoop, 100); +}; + +})(window); -- cgit v1.2.3