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46 lines
1.9 KiB
46 lines
1.9 KiB
/** |
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* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved. |
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* |
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* This source code is licensed under the MIT license found in the |
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* LICENSE file in the root directory of this source tree. |
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*/ |
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/// <reference types="node" /> |
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import { FarmOptions } from './types'; |
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/** |
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* The Jest farm (publicly called "Worker") is a class that allows you to queue |
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* methods across multiple child processes, in order to parallelize work. This |
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* is done by providing an absolute path to a module that will be loaded on each |
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* of the child processes, and bridged to the main process. |
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* |
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* Bridged methods are specified by using the "exposedMethods" property of the |
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* "options" object. This is an array of strings, where each of them corresponds |
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* to the exported name in the loaded module. |
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* |
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* You can also control the amount of workers by using the "numWorkers" property |
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* of the "options" object, and the settings passed to fork the process through |
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* the "forkOptions" property. The amount of workers defaults to the amount of |
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* CPUS minus one. |
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* |
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* Queueing calls can be done in two ways: |
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* - Standard method: calls will be redirected to the first available worker, |
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* so they will get executed as soon as they can. |
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* |
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* - Sticky method: if a "computeWorkerKey" method is provided within the |
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* config, the resulting string of this method will be used as a key. |
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* Every time this key is returned, it is guaranteed that your job will be |
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* processed by the same worker. This is specially useful if your workers |
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* are caching results. |
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*/ |
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export default class JestWorker { |
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private _ending; |
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private _farm; |
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private _options; |
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private _workerPool; |
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constructor(workerPath: string, options?: FarmOptions); |
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private _bindExposedWorkerMethods; |
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private _callFunctionWithArgs; |
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getStderr(): NodeJS.ReadableStream; |
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getStdout(): NodeJS.ReadableStream; |
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end(): void; |
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} |
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//# sourceMappingURL=index.d.ts.map
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