mirror of
https://github.com/scratchfoundation/scratch-vm.git
synced 2024-12-24 15:02:52 -05:00
73 lines
2.5 KiB
JavaScript
73 lines
2.5 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 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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// it doesn't really matter which project we use: we're testing side effects of loading any project
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const uri = path.resolve(__dirname, '../fixtures/default.sb3');
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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('runId', async t => {
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const guidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/;
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const isGuid = data => guidRegex.test(data);
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const storage = makeTestStorage();
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// add to this list every time the RunId should have changed
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const runIdLog = [];
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const pushRunId = () => {
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const runId = storage.scratchFetch.getMetadata(storage.scratchFetch.RequestMetadata.RunId);
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t.ok(isGuid(runId), 'Run IDs should always be a properly-formatted GUID', {runId});
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runIdLog.push(runId);
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};
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const vm = new VirtualMachine();
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vm.attachStorage(storage);
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pushRunId(); // check that the initial run ID is valid
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vm.start(); // starts the VM, not the project, so this doesn't change the run ID
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vm.clear();
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pushRunId(); // clearing the project conceptually changes the project identity does it DOES change the run ID
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vm.setCompatibilityMode(false);
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vm.setTurboMode(false);
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await vm.loadProject(project);
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pushRunId();
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vm.greenFlag();
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pushRunId();
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// Turn the playgroundData event into a Promise that we can await
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const playgroundDataPromise = new Promise(resolve => {
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vm.on('playgroundData', data => resolve(data));
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});
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// Let the project run for a bit, then get playground data and stop the project
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// This test doesn't need the playground data but it does need to run & stop the project
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setTimeout(() => {
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vm.getPlaygroundData();
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vm.stopAll();
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pushRunId();
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}, 100);
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// wait for the project to run to completion
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await playgroundDataPromise;
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for (let i = 0; i < runIdLog.length - 1; ++i) {
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for (let j = i + 1; j < runIdLog.length; ++j) {
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t.notSame(runIdLog[i], runIdLog[j], 'Run IDs should always be unique', {runIdLog});
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}
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}
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vm.quit();
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t.end();
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});
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