import { getAvailableExtensions, getInstalledExtensions, writeExtensions, getExtensionInfo } from '../src/extensions';
import { sync as rimraf } from 'rimraf';
import { sync as mkdirp } from 'mkdirp';
import { init, initSkitch } from '../src/init';
import { readFileSync } from 'fs';

const TMPDIR = process.env.TMPDIR;
const rnd = () =>
  Math.random()
    .toString(36)
    .substring(2, 15) +
  Math.random()
    .toString(36)
    .substring(2, 15);

describe('extensions', () => {
  let dir, projDir;
  beforeEach(async () => {
    dir = TMPDIR + '/' + rnd();
    projDir = dir + '/myproject';
    mkdirp(projDir);
    process.chdir(dir);
    await initSkitch();
    process.chdir(projDir);
    await init({
      name: 'myproject',
      description: 'my amazing project',
      author: 'dan@example.com',
      extensions: ['plpgsql', 'citext']
    });
  });
  afterEach(() => {
    rimraf(dir);
  });
  describe('skitch extensions', () => {
    it('list', async () => {
      const avail = await getAvailableExtensions();
      const installed = await getInstalledExtensions();
      expect(avail).toEqual([ 'plpgsql', 'uuid-ossp', 'pgcrypto', 'plv8', 'myproject' ]);
      expect(installed).toEqual([ 'plpgsql', 'citext' ]);
    });
    it('write', async () => {
      await writeExtensions([ 'plpgsql', 'uuid-ossp', 'pgcrypto', 'plv8' ]);
      const installed = await getInstalledExtensions();
      expect(installed).toEqual([ 'plpgsql', 'uuid-ossp', 'pgcrypto', 'plv8' ]);
      const info = await getExtensionInfo();
      expect(readFileSync(info.controlFile).toString()).toMatchSnapshot();
    });
  });
});