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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,94 +1,99 @@ | ||
| import { platform } from 'os' | ||
| import { Runner, ProjectWorkspace } from 'jest-editor-support' | ||
| import { WatchMode } from '../Jest' | ||
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| export class JestProcess { | ||
| static readonly keepAliveLimit = 5 | ||
| private runner: Runner | ||
| private projectWorkspace: ProjectWorkspace | ||
| private onExitCallback: Function | ||
| private jestSupportEvents: Map<string, (...args: any[]) => void> | ||
| private resolve: Function | ||
| private keepAliveCounter: number | ||
| public keepAlive: boolean | ||
| public stopRequested: boolean | ||
| watchMode: WatchMode | ||
|
|
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| private startRunner() { | ||
| this.stopRequested = false | ||
| let exited = false | ||
|
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| const options = { | ||
| noColor: true, | ||
| shell: platform() === 'win32', | ||
| } | ||
| this.runner = new Runner(this.projectWorkspace, options) | ||
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| this.restoreJestEvents() | ||
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| this.runner.start(this.watchMode !== WatchMode.None, this.watchMode === WatchMode.WatchAll) | ||
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| this.runner.on('debuggerProcessExit', () => { | ||
| if (!exited) { | ||
| exited = true | ||
| if (--this.keepAliveCounter > 0) { | ||
| this.runner.removeAllListeners() | ||
| this.startRunner() | ||
| } else if (this.onExitCallback) { | ||
| this.onExitCallback(this) | ||
| if (this.stopRequested) { | ||
| this.resolve() | ||
| } | ||
| } | ||
| } | ||
| }) | ||
| } | ||
|
|
||
| private restoreJestEvents() { | ||
| for (const [event, callback] of this.jestSupportEvents.entries()) { | ||
| this.runner.on(event, callback) | ||
| } | ||
| } | ||
|
|
||
| constructor({ | ||
| projectWorkspace, | ||
| watchMode = WatchMode.None, | ||
| keepAlive = false, | ||
| }: { | ||
| projectWorkspace: ProjectWorkspace | ||
| watchMode?: WatchMode | ||
| keepAlive?: boolean | ||
| }) { | ||
| this.keepAlive = keepAlive | ||
| this.watchMode = watchMode | ||
| this.projectWorkspace = projectWorkspace | ||
| this.keepAliveCounter = keepAlive ? JestProcess.keepAliveLimit : 1 | ||
| this.jestSupportEvents = new Map() | ||
|
|
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| this.startRunner() | ||
| } | ||
|
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| public onExit(callback: Function) { | ||
| this.onExitCallback = callback | ||
| } | ||
|
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||
| public onJestEditorSupportEvent(event, callback) { | ||
| this.jestSupportEvents.set(event, callback) | ||
| this.runner.on(event, callback) | ||
| return this | ||
| } | ||
|
|
||
| public stop() { | ||
| this.stopRequested = true | ||
| this.keepAliveCounter = 1 | ||
| this.jestSupportEvents.clear() | ||
| this.runner.closeProcess() | ||
| return new Promise(resolve => { | ||
| this.resolve = resolve | ||
| }) | ||
| } | ||
|
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| public runJestWithUpdateForSnapshots(callback) { | ||
| this.runner.runJestWithUpdateForSnapshots(callback) | ||
| } | ||
| } | ||
| import { platform } from 'os' | ||
| import { Runner, ProjectWorkspace, Options } from 'jest-editor-support' | ||
| import { WatchMode } from '../Jest' | ||
| import { createProcessInWSL } from './WslProcess' | ||
|
|
||
| export class JestProcess { | ||
| static readonly keepAliveLimit = 5 | ||
| private runner: Runner | ||
| private projectWorkspace: ProjectWorkspace | ||
| private onExitCallback: Function | ||
| private jestSupportEvents: Map<string, (...args: any[]) => void> | ||
| private resolve: Function | ||
| private keepAliveCounter: number | ||
| public keepAlive: boolean | ||
| public stopRequested: boolean | ||
| watchMode: WatchMode | ||
|
|
||
| private startRunner() { | ||
| this.stopRequested = false | ||
| let exited = false | ||
|
|
||
| const options: Options = { | ||
| noColor: true, | ||
| shell: platform() === 'win32', | ||
| } | ||
| // If Windows Subsystem for Linux is used, spawn in wsl | ||
| if (this.projectWorkspace.pathToJest && this.projectWorkspace.pathToJest.startsWith('wsl')) { | ||
| options.createProcess = createProcessInWSL | ||
| } | ||
| this.runner = new Runner(this.projectWorkspace, options) | ||
|
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| this.restoreJestEvents() | ||
|
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| this.runner.start(this.watchMode !== WatchMode.None, this.watchMode === WatchMode.WatchAll) | ||
|
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||
| this.runner.on('debuggerProcessExit', () => { | ||
| if (!exited) { | ||
| exited = true | ||
| if (--this.keepAliveCounter > 0) { | ||
| this.runner.removeAllListeners() | ||
| this.startRunner() | ||
| } else if (this.onExitCallback) { | ||
| this.onExitCallback(this) | ||
| if (this.stopRequested) { | ||
| this.resolve() | ||
| } | ||
| } | ||
| } | ||
| }) | ||
| } | ||
|
|
||
| private restoreJestEvents() { | ||
| for (const [event, callback] of this.jestSupportEvents.entries()) { | ||
| this.runner.on(event, callback) | ||
| } | ||
| } | ||
|
|
||
| constructor({ | ||
| projectWorkspace, | ||
| watchMode = WatchMode.None, | ||
| keepAlive = false, | ||
| }: { | ||
| projectWorkspace: ProjectWorkspace | ||
| watchMode?: WatchMode | ||
| keepAlive?: boolean | ||
| }) { | ||
| this.keepAlive = keepAlive | ||
| this.watchMode = watchMode | ||
| this.projectWorkspace = projectWorkspace | ||
| this.keepAliveCounter = keepAlive ? JestProcess.keepAliveLimit : 1 | ||
| this.jestSupportEvents = new Map() | ||
|
|
||
| this.startRunner() | ||
| } | ||
|
|
||
| public onExit(callback: Function) { | ||
| this.onExitCallback = callback | ||
| } | ||
|
|
||
| public onJestEditorSupportEvent(event, callback) { | ||
| this.jestSupportEvents.set(event, callback) | ||
| this.runner.on(event, callback) | ||
| return this | ||
| } | ||
|
|
||
| public stop() { | ||
| this.stopRequested = true | ||
| this.keepAliveCounter = 1 | ||
| this.jestSupportEvents.clear() | ||
| this.runner.closeProcess() | ||
| return new Promise(resolve => { | ||
| this.resolve = resolve | ||
| }) | ||
| } | ||
|
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||
| public runJestWithUpdateForSnapshots(callback) { | ||
| this.runner.runJestWithUpdateForSnapshots(callback) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| 'use strict' | ||
| import * as child_process from 'child_process' | ||
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| import { ProjectWorkspace, Options } from '../../node_modules/jest-editor-support' | ||
|
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| /** | ||
| * Spawns and returns a Jest process with specific args | ||
| * | ||
| * @param {string[]} args | ||
| * @returns {ChildProcess} | ||
| */ | ||
| /** | ||
| * Copyright (c) 2014-present, Facebook, Inc. All rights reserved. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| * | ||
| * | ||
| */ | ||
| import { win32, posix } from 'path' | ||
|
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| export const createProcessInWSL = (workspace: ProjectWorkspace, args, options: Options = { shell: true }) => { | ||
| // A command could look like `npm run test`, which we cannot use as a command | ||
| // as they can only be the first command, so take out the command, and add | ||
| // any other bits into the args | ||
| const runtimeExecutable = workspace.pathToJest | ||
| const parameters = runtimeExecutable.split(' ') | ||
| const command = parameters[0] | ||
| const initialArgs = parameters.slice(1) | ||
| let runtimeArgs = [].concat(initialArgs, args) | ||
|
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| // If a path to configuration file was defined, push it to runtimeArgs | ||
| if (workspace.pathToConfig) { | ||
| runtimeArgs.push('--config') | ||
| runtimeArgs.push(workspace.pathToConfig) | ||
| } | ||
|
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| runtimeArgs = runtimeArgs.map(windowsPathToWSL) | ||
|
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| // To use our own commands in create-react, we need to tell the command that | ||
| // we're in a CI environment, or it will always append --watch | ||
| const env = process.env | ||
| env['CI'] = 'true' | ||
|
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| const spawnOptions = { | ||
| cwd: workspace.rootPath, | ||
| env: env, | ||
| shell: options.shell, | ||
| } | ||
|
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| if (workspace.debug) { | ||
| console.log(`spawning process with command=${command}, args=${runtimeArgs.toString()}`) | ||
| } | ||
|
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| return child_process.spawn(command, runtimeArgs, spawnOptions) | ||
| } | ||
|
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| function windowsPathToWSL(maybePath: string): string { | ||
| const isPath = win32.parse(maybePath).dir | ||
| if (!isPath) { | ||
| return maybePath | ||
| } | ||
| const windowsPath = maybePath[0].toLocaleLowerCase() + maybePath.substr(1) | ||
| const path = windowsPath | ||
| .split(win32.sep) | ||
| .join(posix.sep) | ||
| .replace(/^(\w):/, '/mnt/$1') | ||
|
|
||
| return path | ||
| } |
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