import childProcess from 'child_process';

import test from 'ava';

import execa from 'execa';

import delay from 'delay';

import noopProcess from 'noop-process';

import processExists from 'process-exists';

import getPort from 'get-port';

const noopProcessKilled = async (t, pid) => {

// Ensure the noop process has time to exit

await delay(100);

t.false(await processExists(pid));

};

test(async t => {

const {stdout} = await execa('./cli.js', ['--version']);

t.true(stdout.length > 0);

});

test('pid', async t => {

const pid = await noopProcess();

await execa('./cli.js', ['--force', pid]);

await noopProcessKilled(t, pid);

});

test('kill from port', async t => {

const port = await getPort();

const {pid} = childProcess.spawn('node', ['fixture.js', port]);

await execa('./cli.js', ['--force', pid]);

await noopProcessKilled(t, pid);

t.is(await getPort({port}), port);

});

test('error when process is not found', async t => {

const error = await t.throws(execa('./cli.js', ['--force', 'notFoundProcess']));

t.regex(error.message, /Killing process notFoundProcess failed: Process doesn't exist/);

});