gulp-json-angular-translate/test/index.js

Gulp plugin to convert json files to angular-translate js files

'use strict';
var expect = require('chai').expect,
  fs = require('fs'),
  File = require('vinyl'),
  jsonAngularTranslate = require('../');

describe('gulp-json-angular-translate', function () {
  describe('jsonAngularTranslate()', function () {
    var file;
    beforeEach(function () {
      file = new File({
        path: 'test/fixtures/messages_ru.json',
        cwd: 'test/',
        base: 'test/fixtures',
        contents: fs.readFileSync('test/fixtures/messages_ru.json')
      })
    });

    it('should use the last two letters before last dot as language by default', function (done) {
      var stream = jsonAngularTranslate();
      stream.once('data', function (result) {
        expect(result.isBuffer()).to.equal(true);
        expect(result.contents.toString()).to.equal(fs.readFileSync('test/expected/messages_ru.default.js', 'utf8'));
        done();
      });
      stream.write(file);
      stream.end();
    });
    it('should change the extension to .js', function (done) {
      var stream = jsonAngularTranslate();
      stream.once('data', function (result) {
        expect(result.path).to.match(/\.js$/g);
        done();
      });
      stream.write(file);
      stream.end();
    });
    describe('param moduleName', function () {
      it('should set the module name', function (done) {
        var stream = jsonAngularTranslate({moduleName: 'wixTranslations'});
        stream.once('data', function (result) {
          expect(result.isBuffer()).to.equal(true);
          expect(result.contents.toString()).to.equal(fs.readFileSync('test/expected/messages_ru.moduleName.js', 'utf8'));
          done();
        });
        stream.write(file);
        stream.end();
      });
    });
    describe('param extractLanguage', function () {
      it('should override the default language', function (done) {
        var stream = jsonAngularTranslate({extractLanguage: /^../});
        stream.once('data', function (result) {
          expect(result.isBuffer()).to.equal(true);
          expect(result.contents.toString()).to.equal(fs.readFileSync('test/expected/messages_ru.regexPattern.js', 'utf8'));
          done();
        });
        stream.write(file);
        stream.end();
      });
      it('should accept a function to override the default language', function (done) {
        var stream = jsonAngularTranslate({
          extractLanguage: function (path) {
            return path.slice(-2)
          }
        });
        stream.once('data', function (result) {
          expect(result.isBuffer()).to.equal(true);
          expect(result.contents.toString()).to.equal(fs.readFileSync('test/expected/messages_ru.functionPattern.js', 'utf8'));
          done();
        });
        stream.write(file);
        stream.end();
      });
    });
    describe('param hasPreferredLanguage', function () {
      it('should not add the preferredLanguage if set to false', function (done) {
        var stream = jsonAngularTranslate({hasPreferredLanguage: false});
        stream.once('data', function (result) {
          expect(result.isBuffer()).to.equal(true);
          expect(result.contents.toString()).to.equal(fs.readFileSync('test/expected/messages_ru.noPreferredLanguage.js', 'utf8'));
          done();
        });
        stream.write(file);
        stream.end();
      });
    });
    describe('param createNestedKeys', function () {
      it('should make the json object not expand if set to false', function (done) {
        var stream = jsonAngularTranslate({createNestedKeys: false});
        stream.once('data', function (result) {
          expect(result.isBuffer()).to.equal(true);
          expect(result.contents.toString()).to.equal(fs.readFileSync('test/expected/messages_ru.flat.js', 'utf8'));
          done();
        });
        stream.write(file);
        stream.end();
      });
    });
  });
});