inline-critical/test/index.js

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

function strip(string) {
  return string.replace(/[\r\n]+/mg,' ').replace(/\s+/gm,'');
}

function read (file) {
  return fs.readFileSync(file, 'utf8');
}

function write (file, data) {
  fs.writeFileSync(file, data);
}

describe('inline-critical', function() {
    it('should inline css', function(done) {
        var html = read('test/fixtures/index.html');
        var css = read('test/fixtures/critical.css');

        var expected = read('test/fixtures/index-inlined-async-final.html');
        var out = inlineCritical(html, css);

        expect(strip(out.toString('utf-8'))).to.be.equal(strip(expected));

        done();
    });


    it('should inline and minify css', function(done) {
        var html = read('test/fixtures/index.html');
        var css = read('test/fixtures/critical.css');

        var expected = read('test/fixtures/index-inlined-async-minified-final.html');
        var out = inlineCritical(html, css, { minify: true });

        expect(strip(out.toString('utf-8'))).to.be.equal(strip(expected));

        done();
    });


    it('should inline and extract css', function(done) {
        var html = read('test/fixtures/cartoon.html');
        var css = read('test/fixtures/critical.css');

        write('test/fixtures/cartoon.css', read('test/fixtures/cartoon-src.css'));

        inlineCritical(html, css, { extract: true, basePath: 'test/fixtures' });

        expect(read('test/fixtures/cartoon.css')).to.be.equal(read('test/fixtures/cartoon-expected.css'));

        done();
    });
});