localized-string/test/tests.js

Fetches and formats translated strings.

'use strict';

var expect = require('chai').expect;

describe('localized-string', function() {

  var localizedString = require('../')({
    '': {
      testKey: 'AWESOMECAKE!', testKeyWithSingleArg: 'look at my {0}',
      testKeyWithMultipleArgs: 'this {0} is {1} to the max', testNested: 'test {0{1}}',
      testChoice: 'Output is {0,choice,-1#negative|0#zero|1#positive}'
    }
  });

  it(' should return text if key exists', function() {
    expect(localizedString.getText('', 'testKey')).to.equal('AWESOMECAKE!');
  });

  it(' should return key from input if key does not exist', function() {
    var input = 'nope =(';
    expect(localizedString.getText('', input)).to.equal(input);
    // Check with args as well
    expect(localizedString.getText('', input, 'AWESOMECAKE!')).to.equal(input);
  });

  it(' should return text with arg if key exists', function() {
    var args = 'horse';
    expect(localizedString.getText('', 'testKeyWithSingleArg', args)).to.equal('look at my ' + args);
    // Check with array as well
    expect(localizedString.getText('', 'testKeyWithSingleArg', [args])).to.equal('look at my ' + args);
    // Check with numbers as well
    expect(localizedString.getText('', 'testKeyWithSingleArg', 1)).to.equal('look at my ' + 1);
  });

  it(' should handle too many arguments', function() {
    var args = 'horse';
    expect(localizedString.getText('', 'testKeyWithSingleArg', [args, 'cow', 'farm'])).to.equal('look at my ' + args);
  });

  it(' should return text with multiple args if key exists', function() {
    var args = ['lib', 'awesome'];
    expect(localizedString.getText('', 'testKeyWithMultipleArgs', args)).to.equal('this ' + args[0] + ' is ' +
      args[1] + ' to the max');
  });

  it(' should handle string input for translations', function() {
    var loc = require('../')('test/test-translations');
    expect(loc.getText('', 'magic.key')).to.equal('This is a string');
    expect(loc.getText('de_DE', 'magic.key')).to.equal('This is a german string');
  });

});