Font-Awesome/meteor/test.js

'use strict';

var packageName;  // there seems to be no official way of finding out the name of the very package we're testing - http://stackoverflow.com/questions/27180709/in-a-tinytest-test-file-how-do-i-get-the-name-of-the-package

// Check that the font files are downloadable. Meteor places assets at /packages/<packageName>/.
// Only the 'woff' file will be used in Modern browsers. We expect 'woff2' soon - https://github.com/FortAwesome/Font-Awesome/pull/5062#discussion_r20936453
['eot', 'svg', 'ttf', 'woff'].forEach(function (font) {
  Tinytest.addAsync(font + ' fonts are shipped', function (test, done) {

    // curiously enough, the 'local-test:...' package isn't loaded into Package before calling Tinytest, so we can't do this determination outside this loop
    if (!packageName) 
      Object.keys(Package).forEach(function(p) {
        if (p.search(/local-test/) > -1)
          packageName = p.replace('local-test:', '');  // we should stop the loop, but forEach can't do that
      });

    var packagePath = packageName.replace(':', '_');  // e.g. fortawesome_fontawesome

    HTTP.get(
      '/packages/' + packagePath + '/fonts/fontawesome-webfont.' + font,
      {
         headers: {
           'Cache-Control': 'no-cache'  // because Meteor has cached fonts even after they were removed from package.js (!) - https://github.com/meteor/meteor/issues/3196
         }
      },
      function callback(error, result) {
        if (error) {
          test.fail({message: 'Font failed to load'});
        } else {
          // if the file is 404, Meteor will redirect to / and return the Meteor.js boilerplate
          test.isTrue(result.content.length > 30000, font + ' font could not be downloaded');
        }

        done();
      }
    );
  });
});


// Visual check. Fonts are set by font-awesome.css in @font-face { src: url('../fonts/...') }.
// TODO How does Meteor find those occurrences in the source and resolve them to /packages/<packageName>/fonts/... ?
Tinytest.addAsync('Visual check', function (test, done) {
  var iconsDropZone = document.createElement('div');
  document.body.appendChild(iconsDropZone);


  // TODO ideally we'd get src/test.html straight from this repo, but no idea how to do this from TinyTest
  HTTP.get('https://rawgit.com/FortAwesome/Font-Awesome/master/src/test.html', function callback(error, result) {
    if (error) {
      test.fail('Error getting the icons. Do we have an Internet connection to rawgit.com?');
    } else {
      // [^] matches across newlines. Exclude the Stacked Icons section and below, because they transclude some other HTML.
      iconsDropZone.innerHTML = result.content.match(/<section[^]+(?=<h3>Stacked)/);
      test.ok({message: 'Test passed if the icons look OK.'});
    }

    done();
  });

});