test.js

'use strict';

var assert = require('assert');
var fs = require('fs');
var taggedReplace = require('./');

describe('taggedReplace', function() {

   it('leaves files with none or unknown as is', function() {
      var filecontent;

      filecontent = fs.readFileSync('./testfiles/no-tags.js', 'utf8');
      assert.equal(taggedReplace(filecontent), filecontent, 'no tags, no values');

      filecontent = fs.readFileSync('./testfiles/unknown-tags.js', 'utf8');
      assert.equal(taggedReplace(filecontent), filecontent, 'unknown tags, no values');
   });

   it('replaces text using a dictionary with one value', function() {
      var filecontent = fs.readFileSync('./testfiles/tag-server.js', 'utf8');
      var values = {
         server: 'servers.production'
      };
      var expected = fs.readFileSync('./testfiles/tag-server-replaced.js', 'utf8');
      assert.equal(taggedReplace(filecontent, values), expected, 'single value');
   });

   it('replaces text using a dictionary multiple values', function() {
      var filecontent = fs.readFileSync('./testfiles/tag-multiple.js', 'utf8');
      var values = {
         server: 'servers.development',
         user: '\'second.user\''
      };
      var expected = fs.readFileSync('./testfiles/tag-multiple-replaced.js', 'utf8');
      assert.equal(taggedReplace(filecontent, values), expected, 'single value');
   });

   it('replaces multiple instances of tag', function() {
      var filecontent = fs.readFileSync('./testfiles/tag-complex.js', 'utf8');
      var values = {
         server: 'servers.development',
         user: '\'second.user\''
      };
      var expected = fs.readFileSync('./testfiles/tag-complex-replaced.js', 'utf8');
      assert.equal(taggedReplace(filecontent, values), expected, 'single value');
   });

   it('can configure if tags have a space padding the content in the result', function() {
      var input = 'Lorem /*ipsum*/ ipsum /*/ipsum*/ dolor sit amet';
      var output = taggedReplace(input, {
         ipsum: 'inventore'
      }, {
         space: true
      });
      var expected = 'Lorem /*ipsum*/ inventore /*/ipsum*/ dolor sit amet';
      assert.equal(output, expected);

      input = 'Lorem /*ipsum*/ ipsum /*/ipsum*/ dolor sit amet';
      output = taggedReplace(input, {
         ipsum: 'inventore'
      }, {
         space: false
      });
      expected = 'Lorem /*ipsum*/inventore/*/ipsum*/ dolor sit amet';
      assert.equal(output, expected);
   });

});