/*global expect*/
/*eslint no-var:0, indent:0, max-len:0 */
'use strict';

const mockFs = require('mock-fs');
const knex = require('../../../knex');

describe('Seeder.loadExtensions', function() {
  const config = {
    client: 'postgres',
    connection: {
      user: 'postgres',
      password: '',
      host: '127.0.0.1',
      database: 'knex_test',
    },
    seeds: {
      directory: 'test/integration/seed/seeds',
    },
  };
  let seeder;

  before(function() {
    mockFs({
      'test/integration/seed/seeds': {
        'co-seed.co': 'co seed content',
        'coffee-seed.coffee': 'coffee seed content',
        'eg-seed.eg': 'eg seed content',
        'iced-seed.iced': 'iced seed content',
        'js-seed.js': 'js seed content',
        'litcoffee-seed.litcoffee': 'litcoffee seed content',
        'ls-seed.ls': 'ls seed content',
        'ts-seed.ts': 'ts seed content',
        'useless.txt': 'i am not a seed',
      },
    });
  });

  after(function() {
    mockFs.restore();
  });

  beforeEach(function() {
    seeder = knex(config).seed;
  });

  it('should include all supported extensions by default', function() {
    return seeder._listAll().then(function(list) {
      expect(list).to.eql([
        'co-seed.co',
        'coffee-seed.coffee',
        'eg-seed.eg',
        'iced-seed.iced',
        'js-seed.js',
        'litcoffee-seed.litcoffee',
        'ls-seed.ls',
        'ts-seed.ts',
      ]);
    });
  });

  it('should list only files with specified extensions', function() {
    return seeder
      ._listAll({ loadExtensions: ['.ts', '.js'] })
      .then(function(list) {
        expect(list).to.eql(['js-seed.js', 'ts-seed.ts']);
      });
  });
});

describe('Seeder._waterfallBatch', function() {
  const config = {
    client: 'postgres',
    connection: {
      user: 'postgres',
      password: '',
      host: '127.0.0.1',
      database: 'knex_test',
    },
    seeds: {
      directory: 'test/unit/seed/test',
    },
  };
  let seeder;

  beforeEach(function() {
    seeder = knex(config).seed;
  });

  it('should throw an error with correct file name', (done) => {
    seeder._waterfallBatch(['1-first.js', '2-second.js']).catch((error) => {
      expect(error.message).to.match(
        /^Error while executing .*1-first.js" seed: throwing in first file$/
      );
      done();
    });
  });
});