53 lines
1.7 KiB
JavaScript
53 lines
1.7 KiB
JavaScript
const test = require('tap').test;
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const TaskQueue = require('../../src/util/task-queue');
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const MockTimer = require('../fixtures/mock-timer');
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const testCompare = require('../fixtures/test-compare');
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test('constructor', t => {
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// Max tokens = 1000, refill 1000 tokens per second (1 per millisecond), and start with 0 tokens
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const bukkit = new TaskQueue(1000, 1000, 0);
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const mockTimer = new MockTimer();
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bukkit._timer = mockTimer;
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mockTimer.start();
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const taskResults = [];
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const promises = [];
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const goodCancelMessage = 'Task was canceled correctly';
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bukkit.do(() => taskResults.push('nope'), 999).then(
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() => {
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t.fail('Task should have been canceled');
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},
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() => {
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taskResults.push(goodCancelMessage);
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}
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);
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bukkit.cancelAll();
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promises.push(
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bukkit.do(() => taskResults.push('a'), 50).then(() => {
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testCompare(t, bukkit._timer.timeElapsed(), '>=', 50, 'Costly task must wait');
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}),
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bukkit.do(() => taskResults.push('b'), 10).then(() => {
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testCompare(t, bukkit._timer.timeElapsed(), '>=', 60, 'Tasks must run in serial');
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}),
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bukkit.do(() => taskResults.push('c'), 1).then(() => {
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testCompare(t, bukkit._timer.timeElapsed(), '<=', 80, 'Cheap task should run soon');
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})
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);
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// advance 10 simulated milliseconds per JS tick
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const step = () => {
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mockTimer.advanceMockTime(10);
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if (mockTimer.timeElapsed() < 100) {
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global.setTimeout(step, 0);
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}
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};
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step();
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return Promise.all(promises).then(() => {
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t.deepEqual(taskResults, [goodCancelMessage, 'a', 'b', 'c'], 'All tasks must run in correct order');
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});
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});
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