import { expectFileNotToExist, expectFileToExist, rimraf, writeFile } from '../../utils/fs';

import { silentNg } from '../../utils/process';

import { updateJsonFile } from '../../utils/project';

const defaultCachePath = '.angular/cache';

const overriddenCachePath = '.cache/angular-cli';

export default async function () {

const originalCIValue = process.env['CI'];

// No need to include all applications code to verify disk cache existence.

await writeFile('src/main.ts', 'console.log(1);');

try {

// Should be enabled by default.

process.env['CI'] = '0';

await configureAndRunTest();

// Should not write cache when it's disabled

await configureAndRunTest({ enabled: false });

await expectFileNotToExist(defaultCachePath);

// Should not write cache by default when in CI.

process.env['CI'] = '1';

await configureAndRunTest();

await expectFileNotToExist(defaultCachePath);

// Should write cache when it's enabled and 'environment' is set to 'all' or 'ci'.

await configureAndRunTest({ environment: 'all' });

await expectFileToExist(defaultCachePath);

// Should write cache to custom path when configured.

await configureAndRunTest({ environment: 'ci', path: overriddenCachePath });

await expectFileNotToExist(defaultCachePath);

await expectFileToExist(overriddenCachePath);

} finally {

process.env['CI'] = originalCIValue;

}

}

async function configureAndRunTest(cacheOptions?: {

environment?: 'ci' | 'local' | 'all';

enabled?: boolean;

path?: string;

}): Promise<void> {

await Promise.all([

rimraf(overriddenCachePath),

rimraf(defaultCachePath),

updateJsonFile('angular.json', (config) => {

config.cli ??= {};

config.cli.cache = cacheOptions;

}),

]);

await silentNg('build');

}