gulp-cog/test/main.js

Builds a list of includes in a similar way to snockets or sprockets but searches for available files from upstream pipes. This allows you to include js files from sources other than the disk, such as coffeescript or compiled templates. This plugin also le

var path = require('path');

var cog = require('../');
var expect = require('expect.js');
var _ = require('lodash');
var streamAssert = require('stream-assert');
var foreach = require('gulp-foreach');
var combiner = require('stream-combiner');
var File = require('gulp-util').File;
var gulp = require('gulp');

var fixtures = function (glob) { return path.join(__dirname, 'fixtures', glob); }

describe('gulp-include-chain', function() {
  describe('cog()', function() {
    it('should build a list of files to include', function(done) {
      return gulp.src(__dirname+'/fixtures/**/*.js', {base: __dirname+'/fixtures'})
        .pipe(streamAssert.length(5)) // All files should be in teh stream now
        .pipe(cog('*.js'))
        .pipe(streamAssert.length(1)) // Should only have the master.js file in the stream now
        .pipe(foreach(function(stream, masterFile){
          var concatList = _.pluck(masterFile.includes, 'relative');

          expect(concatList).to.eql([ 
            'treedir/file3.js',
            'treedir/file4.js',
            'treedir/subdir/file2.js',
            'dir/file1.js',
            'master.js'
          ]);
          return stream;
        }))
        .pipe(streamAssert.end(done));
    })
  });


  describe('cog.includes()', function() {
    it('should emit all files to include back into the stream in the correct order', function(done) {
      var fileAssert = function(filename) {
        return function(file) {
          expect(file.relative).to.eql(filename);
        };
      };

      return gulp.src(__dirname+'/fixtures/**/*.js', {base: __dirname+'/fixtures'})
        .pipe(cog('*.js'))
        .pipe(foreach(function(stream, masterFile){
          return stream
            .pipe(cog.includes())
            .pipe(streamAssert.length(5))
            .pipe(streamAssert.nth(0, fileAssert('treedir/file3.js')))
            .pipe(streamAssert.nth(1, fileAssert('treedir/file4.js')))
            .pipe(streamAssert.nth(2, fileAssert('treedir/subdir/file2.js')))
            .pipe(streamAssert.nth(3, fileAssert('dir/file1.js')))
            .pipe(streamAssert.nth(4, fileAssert('master.js')))
            .pipe(streamAssert.end(done));
        }));
    })
  });
});