testcafe
Version:
Automated browser testing for the modern web development stack.
120 lines • 15.4 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const child_process_1 = require("child_process");
const pinkie_1 = __importDefault(require("pinkie"));
const os_family_1 = __importDefault(require("os-family"));
const promisify_event_1 = __importDefault(require("promisify-event"));
const delay_1 = __importDefault(require("../utils/delay"));
const CHECK_PROCESS_IS_KILLED_TIMEOUT = 5000;
const CHECK_KILLED_DELAY = 1000;
const NEW_LINE_SEPERATOR_RE = /(\r\n)|(\n\r)|\n|\r/g;
const cannotGetListOfProcessError = 'Cannot get list of processes';
const killProcessTimeoutError = 'Kill process timeout';
function getProcessOutputUnix() {
const error = new Error(cannotGetListOfProcessError);
return new pinkie_1.default((resolve, reject) => {
const child = child_process_1.spawn('ps', ['-eo', 'pid,command']);
let stdout = '';
let stderr = '';
child.stdout.on('data', data => {
stdout += data.toString();
});
child.stderr.on('data', data => {
stderr += data.toString();
});
child.on('exit', () => {
if (stderr)
reject(error);
else
resolve(stdout);
});
child.on('error', () => {
reject(error);
});
});
}
function findProcessIdUnix(browserId, psOutput) {
const processIdRegex = new RegExp('^\\s*(\\d+)\\s+.*' + browserId);
const lines = psOutput.split(NEW_LINE_SEPERATOR_RE);
for (let i = 0; i < lines.length; i++) {
const match = processIdRegex.exec(lines[i]);
if (match)
return parseInt(match[1], 10);
}
return null;
}
function isProcessExistUnix(processId, psOutput) {
const processIdRegex = new RegExp('^\\s*' + processId + '\\s+.*');
const lines = psOutput.split(NEW_LINE_SEPERATOR_RE);
return lines.some(line => processIdRegex.test(line));
}
async function findProcessUnix(browserId) {
const output = await getProcessOutputUnix();
return findProcessIdUnix(browserId, output);
}
async function checkUnixProcessIsKilled(processId) {
const output = await getProcessOutputUnix();
if (isProcessExistUnix(processId, output)) {
await delay_1.default(CHECK_KILLED_DELAY);
await checkUnixProcessIsKilled();
}
}
async function killProcessUnix(processId) {
let timeoutError = false;
process.kill(processId);
const killTimeoutTimer = delay_1.default(CHECK_PROCESS_IS_KILLED_TIMEOUT)
.then(() => {
timeoutError = true;
});
return pinkie_1.default.race([killTimeoutTimer, checkUnixProcessIsKilled(processId)]).then(() => {
if (timeoutError)
throw new Error(killProcessTimeoutError);
});
}
async function runWMIC(args) {
const wmicProcess = child_process_1.spawn('wmic.exe', args, { detached: true });
let wmicOutput = '';
wmicProcess.stdout.on('data', data => {
wmicOutput += data.toString();
});
try {
await pinkie_1.default.race([
promisify_event_1.default(wmicProcess.stdout, 'end'),
promisify_event_1.default(wmicProcess, 'error')
]);
return wmicOutput;
}
catch (e) {
return '';
}
}
async function findProcessWin(browserId) {
const wmicArgs = ['process', 'where', `commandline like '%${browserId}%' and name <> 'cmd.exe' and name <> 'wmic.exe'`, 'get', 'processid'];
const wmicOutput = await runWMIC(wmicArgs);
let processList = wmicOutput.split(/\s*\n/);
processList = processList
// NOTE: remove list's header and empty last element, caused by trailing newline
.slice(1, -1)
.map(pid => ({ pid: Number(pid) }));
return processList[0] ? processList[0].pid : null;
}
async function killBrowserProcess(browserId) {
const processId = os_family_1.default.win ? await findProcessWin(browserId) : await findProcessUnix(browserId);
if (!processId)
return true;
try {
if (os_family_1.default.win)
process.kill(processId);
else
await killProcessUnix(processId);
return true;
}
catch (e) {
return false;
}
}
exports.killBrowserProcess = killBrowserProcess;
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{ spawn } from 'child_process';\nimport Promise from 'pinkie';\nimport OS from 'os-family';\nimport promisifyEvent from 'promisify-event';\nimport delay from '../utils/delay';\n\nconst CHECK_PROCESS_IS_KILLED_TIMEOUT = 5000;\nconst CHECK_KILLED_DELAY              = 1000;\nconst NEW_LINE_SEPERATOR_RE           = /(\\r\\n)|(\\n\\r)|\\n|\\r/g;\nconst cannotGetListOfProcessError     = 'Cannot get list of processes';\nconst killProcessTimeoutError         = 'Kill process timeout';\n\nfunction getProcessOutputUnix () {\n    const error = new Error(cannotGetListOfProcessError);\n\n    return new Promise((resolve, reject) => {\n        const child = spawn('ps', ['-eo', 'pid,command']);\n        let stdout  = '';\n        let stderr  = '';\n\n        child.stdout.on('data', data => {\n            stdout += data.toString();\n        });\n\n        child.stderr.on('data', data => {\n            stderr += data.toString();\n        });\n\n        child.on('exit', () => {\n            if (stderr)\n                reject(error);\n            else\n                resolve(stdout);\n        });\n\n        child.on('error', () => {\n            reject(error);\n        });\n    });\n}\n\nfunction findProcessIdUnix (browserId, psOutput) {\n    const processIdRegex   = new RegExp('^\\\\s*(\\\\d+)\\\\s+.*' + browserId);\n    const lines            = psOutput.split(NEW_LINE_SEPERATOR_RE);\n\n    for (let i = 0; i < lines.length; i++) {\n        const match = processIdRegex.exec(lines[i]);\n\n        if (match)\n            return parseInt(match[1], 10);\n    }\n\n    return null;\n}\n\nfunction isProcessExistUnix (processId, psOutput) {\n    const processIdRegex   = new RegExp('^\\\\s*' + processId + '\\\\s+.*');\n    const lines            = psOutput.split(NEW_LINE_SEPERATOR_RE);\n\n    return lines.some(line => processIdRegex.test(line));\n}\n\nasync function findProcessUnix (browserId) {\n    const output = await getProcessOutputUnix();\n\n    return findProcessIdUnix(browserId, output);\n}\n\nasync function checkUnixProcessIsKilled (processId) {\n    const output = await getProcessOutputUnix();\n\n    if (isProcessExistUnix(processId, output)) {\n        await delay(CHECK_KILLED_DELAY);\n\n        await checkUnixProcessIsKilled();\n    }\n}\n\nasync function killProcessUnix (processId) {\n    let timeoutError = false;\n\n    process.kill(processId);\n\n    const killTimeoutTimer = delay(CHECK_PROCESS_IS_KILLED_TIMEOUT)\n        .then(() => {\n            timeoutError = true;\n        });\n\n    return Promise.race([killTimeoutTimer, checkUnixProcessIsKilled(processId)]).then(() => {\n        if (timeoutError)\n            throw new Error(killProcessTimeoutError);\n    });\n}\n\nasync function runWMIC (args) {\n    const wmicProcess = spawn('wmic.exe', args, { detached: true });\n\n    let wmicOutput  = '';\n\n    wmicProcess.stdout.on('data', data => {\n        wmicOutput += data.toString();\n    });\n\n    try {\n        await Promise.race([\n            promisifyEvent(wmicProcess.stdout, 'end'),\n            promisifyEvent(wmicProcess, 'error')\n        ]);\n\n        return wmicOutput;\n    }\n    catch (e) {\n        return '';\n    }\n}\n\nasync function findProcessWin (browserId) {\n    const wmicArgs    = ['process', 'where', `commandline like '%${browserId}%' and name <> 'cmd.exe' and name <> 'wmic.exe'`, 'get', 'processid'];\n    const wmicOutput  = await runWMIC(wmicArgs);\n    let processList = wmicOutput.split(/\\s*\\n/);\n\n    processList = processList\n    // NOTE: remove list's header and empty last element, caused by trailing newline\n        .slice(1, -1)\n        .map(pid => ({ pid: Number(pid) }));\n\n    return processList[0] ? processList[0].pid : null;\n}\n\nexport async function killBrowserProcess (browserId) {\n    const processId = OS.win ? await findProcessWin(browserId) : await findProcessUnix(browserId);\n\n    if (!processId)\n        return true;\n\n    try {\n        if (OS.win)\n            process.kill(processId);\n        else\n            await killProcessUnix(processId);\n\n        return true;\n    }\n    catch (e) {\n        return false;\n    }\n}\n"]}