@theia/core
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Theia is a cloud & desktop IDE framework implemented in TypeScript.
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JavaScript
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// *****************************************************************************
// Copyright (C) 2021 Ericsson and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0.
//
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License v. 2.0 are satisfied: GNU General Public License, version 2
// with the GNU Classpath Exception which is available at
// https://www.gnu.org/software/classpath/license.html.
//
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
// *****************************************************************************
Object.defineProperty(exports, "__esModule", { value: true });
const chai_1 = require("chai");
const inversify_1 = require("inversify");
const process_utils_1 = require("./process-utils");
/** PPID, PID */
const mockPsOutput = `\
5 6
40 7
1 2
1 3
2 40
2 5
0 1
`;
describe('ProcessUtils', () => {
let coreProcessManager;
beforeEach(() => {
const container = new inversify_1.Container();
container.bind(process_utils_1.ProcessUtils).toSelf().inSingletonScope();
coreProcessManager = container.get(process_utils_1.ProcessUtils);
});
it('ProcessUtils#unixGetChildrenRecursive', () => {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
coreProcessManager['spawnSync'] = () => ({ stdout: mockPsOutput });
const pids = coreProcessManager['unixGetChildrenRecursive'](2);
(0, chai_1.expect)(Array.from(pids)).members([40, 5, 6, 7]);
});
describe('#unixTerminateProcessTree', () => {
let originalKill;
let originalConsoleError;
let loggedErrors;
function throwingKill(code) {
return (() => {
const error = new Error(`kill ${code}`);
error.code = code;
throw error;
});
}
beforeEach(() => {
originalKill = process.kill;
originalConsoleError = console.error;
loggedErrors = [];
console.error = (...args) => { loggedErrors.push(args); };
// One child plus the parent; report the parent as its own group leader so the `kill(-ppid)` branch runs too.
coreProcessManager['unixGetChildrenRecursive'] = () => new Set([424242]);
coreProcessManager['unixGetPGID'] = (pid) => pid;
});
afterEach(() => {
process.kill = originalKill;
console.error = originalConsoleError;
});
it('does not throw or log when processes in the tree are already gone (ESRCH)', () => {
process.kill = throwingKill('ESRCH');
(0, chai_1.expect)(() => coreProcessManager['unixTerminateProcessTree'](424243)).to.not.throw();
(0, chai_1.expect)(loggedErrors).to.be.empty;
});
it('logs unexpected kill errors (e.g. EPERM) without throwing', () => {
process.kill = throwingKill('EPERM');
(0, chai_1.expect)(() => coreProcessManager['unixTerminateProcessTree'](424243)).to.not.throw();
(0, chai_1.expect)(loggedErrors).to.not.be.empty;
});
it('does not throw when a kill rejects with a value that has no code (e.g. undefined)', () => {
const thrown = undefined;
process.kill = (() => { throw thrown; });
(0, chai_1.expect)(() => coreProcessManager['unixTerminateProcessTree'](424243)).to.not.throw();
(0, chai_1.expect)(loggedErrors).to.not.be.empty;
});
});
});
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