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840ffb5df0
Newer versions of `tap` run more asynchronously, so sometimes using `process.nextTick(process.exit)` to end a test would prevent the test from completing correctly. Removing all instances of `process.nextTick(process.exit)` put tests into three categories: * the test still worked correctly -- no fixup needed. * the test would hang because the VM's `_steppingInterval` was keeping Node alive. These tests call a new `quit()` method which ends the stepping interval. * the `load-extensions` test needed special attention because the "Video Sensing" extension starts its own loop using `setTimeout`. I added a `_stopLoop()` method on the extension and directly call that from the test. I'm not completely happy with this solution but anything more general would likely require a change to the extension spec, so I'm leaving that as a followup task.
61 lines
2 KiB
JavaScript
61 lines
2 KiB
JavaScript
const Worker = require('tiny-worker');
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const path = require('path');
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const test = require('tap').test;
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const Scratch3PenBlocks = require('../../src/extensions/scratch3_pen/index.js');
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const VirtualMachine = require('../../src/index');
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const dispatch = require('../../src/dispatch/central-dispatch');
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const makeTestStorage = require('../fixtures/make-test-storage');
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const readFileToBuffer = require('../fixtures/readProjectFile').readFileToBuffer;
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const uri = path.resolve(__dirname, '../fixtures/pen.sb2');
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const project = readFileToBuffer(uri);
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// By default Central Dispatch works with the Worker class built into the browser. Tell it to use TinyWorker instead.
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dispatch.workerClass = Worker;
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test('pen', t => {
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const vm = new VirtualMachine();
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vm.attachStorage(makeTestStorage());
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// Evaluate playground data and exit
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vm.on('playgroundData', () => {
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// @todo Additional tests
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const catSprite = vm.runtime.targets[1].sprite;
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const [originalCat, cloneCat] = catSprite.clones;
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t.notStrictEqual(originalCat, cloneCat);
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/** @type {PenState} */
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const originalPenState = originalCat.getCustomState(Scratch3PenBlocks.STATE_KEY);
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/** @type {PenState} */
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const clonePenState = cloneCat.getCustomState(Scratch3PenBlocks.STATE_KEY);
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t.notStrictEqual(originalPenState, clonePenState);
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t.equal(originalPenState.penAttributes.diameter, 51);
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t.equal(clonePenState.penAttributes.diameter, 42);
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vm.quit();
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t.end();
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});
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// Start VM, load project, and run
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t.doesNotThrow(() => {
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vm.start();
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vm.clear();
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vm.setCompatibilityMode(false);
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vm.setTurboMode(false);
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vm.loadProject(project)
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.then(() => {
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vm.greenFlag();
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// After two seconds, get playground data and stop
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setTimeout(() => {
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vm.getPlaygroundData();
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vm.stopAll();
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}, 2000);
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});
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});
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});
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