api/test/unit/controller/index.js

var setup = require('../../../controller/index');

module.exports.tests = {};

module.exports.tests.interface = function(test, common) {
  test('valid interface', function(t) {
    t.equal(typeof setup, 'function', 'setup is a function');
    t.equal(typeof setup(), 'function', 'setup returns a controller');
    t.end();
  });
};

module.exports.tests.info_json = function(test, common) {
  test('returns server info in json', function(t) {
    var controller = setup();
    var req = {
      accepts: function (format) {
        t.equal(format, 'html', 'check for Accepts:html');
        return false;
      }
    };
    var res = { json: function( json ){
      t.equal(typeof json, 'object', 'returns json');
      t.equal(typeof json.name, 'string', 'name');
      t.equal(typeof json.version, 'object', 'version');
      t.equal(typeof json.version.number, 'string', 'version number');
      t.end();
    }};
    controller( req, res );
  });
};

module.exports.tests.info_html = function(test, common) {
  test('returns server info in html', function(t) {

    var style = '<style>html{font-family:monospace}</style>';
    var mockText = 'this text should show up in the html content';
    var fsMock = {
      readFileSync: function (path, format) {
        t.equal(path, './DOCS.md', 'open DOCS.md file');
        t.equal(format, 'utf8', 'file format');
        return mockText;
      }
    };

    var proxyquire = require('proxyquire');
    var setup = proxyquire('../../../controller/index', { 'fs': fsMock });

    var controller = setup();
    var req = {
      accepts: function () {
        return true;
      }
    };
    var res = { send: function( content ){
      t.equal(typeof content, 'string', 'returns string');
      t.assert(content.indexOf(style) === 0, 'style set');
      t.assert(content.indexOf(mockText) !== -1, 'file content added');
      t.end();
    }};
    controller( req, res );
  });
};

module.exports.all = function (tape, common) {

  function test(name, testFunction) {
    return tape('GET / ' + name, testFunction);
  }

  for( var testCase in module.exports.tests ){
    module.exports.tests[testCase](test, common);
  }
};