import {

killAllProcesses,

waitForAnyProcessOutputToMatch,

execAndWaitForOutputToMatch

} from '../../utils/process';

import {appendToFile} from '../../utils/fs';

import {expectToFail, wait} from '../../utils/utils';

const webpackGoodRegEx = /: Compiled successfully./;

export default function() {

// TODO(architect): This test is behaving oddly both here and in devkit/build-angular.

// It seems to be because of file watchers.

return;

// @filipesilva: This test doesn't work correctly on CircleCI while being ran by the test script.

// Polling time seems to be ignored and several builds are fired per second.

// Debugging showed that webpack things the `src/` directory changed on each rebuild.

// Disabling for now.

if (process.env['CIRCLECI']) {

return;

}

return execAndWaitForOutputToMatch('ng', ['build', '--watch', '--poll=10000'], webpackGoodRegEx)

// Wait before editing a file.

// Editing too soon seems to trigger a rebuild and throw polling out of whack.

.then(() => wait(3000))

.then(() => appendToFile('src/main.ts', 'console.log(1);'))

// We have to wait poll time + rebuild build time for the regex match.

.then(() => waitForAnyProcessOutputToMatch(webpackGoodRegEx, 14000))

.then(() => appendToFile('src/main.ts', 'console.log(1);'))

// No rebuilds should occur for a while

.then(() => expectToFail(() => waitForAnyProcessOutputToMatch(webpackGoodRegEx, 7000)))

// But a rebuild should happen roughly within the 10 second window.

.then(() => waitForAnyProcessOutputToMatch(webpackGoodRegEx, 7000))

.then(() => killAllProcesses(), (err: any) => {

killAllProcesses();

throw err;

});

}