Function fakeChildProcess

src/test/node/process-tree.test.ts:15–25

(stdoutData: string)

import { IProcess, IProcessTree, processTree } from '../../ui/processTree/processTree';

const fakeChildProcess = (stdoutData: string) => {
  const ee: any = new EventEmitter();
  ee.stderr = new ReadableStreamBuffer();
  ee.stderr.stop();
  ee.stdout = new ReadableStreamBuffer({ frequency: 2, chunkSize: 32 });
  ee.stdout.put(stdoutData);
  ee.stdout.stop();
  ee.stdout.once('end', () => setTimeout(() => ee.emit('close', 0), 1));

  return ee;
};

const assertParses = async (tree: IProcessTree, input: string, expected: IProcess[]) => {
  const stubbed = stub(tree, 'createProcess' as any).returns(fakeChildProcess(input));