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test: move execution of WPT to worker threads
Running outside of the main Node.js context prevents us from upgrading the WPT harness because new versions more aggressively check the identity of globals like error constructors. Instead of exposing globals used by the tests on vm sandboxes, use worker threads to run everything.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /* eslint-disable node-core/required-modules,node-core/require-common-first */ | ||
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| 'use strict'; | ||
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| const { runInThisContext } = require('vm'); | ||
| const { parentPort, workerData } = require('worker_threads'); | ||
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| const { ResourceLoader } = require(workerData.wptRunner); | ||
| const resource = new ResourceLoader(workerData.wptPath); | ||
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| global.self = global; | ||
| global.GLOBAL = { | ||
| isWindow() { return false; } | ||
| }; | ||
| global.require = require; | ||
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| // This is a mock, because at the moment fetch is not implemented | ||
| // in Node.js, but some tests and harness depend on this to pull | ||
| // resources. | ||
| global.fetch = function fetch(file) { | ||
| return resource.read(workerData.filename, file, true); | ||
| }; | ||
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| if (workerData.initScript) { | ||
| runInThisContext(workerData.initScript); | ||
| } | ||
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| runInThisContext(workerData.harness.code, { | ||
| filename: workerData.harness.filename | ||
| }); | ||
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| // eslint-disable-next-line no-undef | ||
| add_result_callback((result) => { | ||
| parentPort.postMessage({ | ||
| type: 'result', | ||
| result: { | ||
| status: result.status, | ||
| name: result.name, | ||
| message: result.message, | ||
| stack: result.stack, | ||
| }, | ||
| }); | ||
| }); | ||
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| // eslint-disable-next-line no-undef | ||
| add_completion_callback((_, status) => { | ||
| parentPort.postMessage({ | ||
| type: 'completion', | ||
| status, | ||
| }); | ||
| }); | ||
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| for (const scriptToRun of workerData.scriptsToRun) { | ||
| runInThisContext(scriptToRun.code, { filename: scriptToRun.filename }); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,16 +1,11 @@ | ||
| 'use strict'; | ||
| require('../common'); | ||
| const { MessageChannel } = require('worker_threads'); | ||
| const { WPTRunner } = require('../common/wpt'); | ||
| const runner = new WPTRunner('encoding'); | ||
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| // Copy global descriptors from the global object | ||
| runner.copyGlobalsFromObject(global, ['TextDecoder', 'TextEncoder']); | ||
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| runner.defineGlobal('MessageChannel', { | ||
| get() { | ||
| return MessageChannel; | ||
| } | ||
| }); | ||
| runner.setInitScript(` | ||
| const { MessageChannel } = require('worker_threads'); | ||
| global.MessageChannel = MessageChannel; | ||
| `); | ||
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| runner.runJsTests(); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,27 +1,14 @@ | ||
| 'use strict'; | ||
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| // Flags: --expose-internals | ||
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| require('../common'); | ||
| const { WPTRunner } = require('../common/wpt'); | ||
| const { performance, PerformanceObserver } = require('perf_hooks'); | ||
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| const runner = new WPTRunner('hr-time'); | ||
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| runner.copyGlobalsFromObject(global, [ | ||
| 'setInterval', | ||
| 'clearInterval', | ||
| 'setTimeout', | ||
| 'clearTimeout' | ||
| ]); | ||
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| runner.defineGlobal('performance', { | ||
| get() { | ||
| return performance; | ||
| } | ||
| }); | ||
| runner.defineGlobal('PerformanceObserver', { | ||
| value: PerformanceObserver | ||
| }); | ||
| runner.setInitScript(` | ||
| const { performance, PerformanceObserver } = require('perf_hooks'); | ||
| global.performance = performance; | ||
| global.PerformanceObserver = PerformanceObserver; | ||
| `); | ||
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| runner.runJsTests(); |
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