jhartikainen

//guess where this fails.

this.x = function() {
  hello();
}

(foo || bar).call();

jhartikainen

//java
class X extends Y {
  public X() {
    super();
  }
  
  public void method() {
  }
  
  public static staticMethod() {

jhartikainen

//easy way to check if object has the expected "shape":
it('tests something', function() {
  var expectedObject = {
    some: 'prop',
    values: 'here'
  };
  
  var result = doStuff();
  
  assert.deepEqual(result, expectedObject);

jhartikainen

var moves = []..

function makeMove() {
  var m = moves.shift();
  if(!m) {
    return everythingDone();
  }
  
  setTimeout(function() {
    activateButton(m);

jhartikainen

//let's say all the moves are in this array
var moves = [...];

moves.reduce(function(p, move) {
  return p.then(activateWithDelay(move.button))
          .then(deactivateWithDelay(move.button));
}, Promise.resolve());

jhartikainen

it('"moveRight()" should increment the "x" propety by 1', function () {
  var blocky = new Block(15, 30);
  blocky.moveRight();
  assert.equal(blocky.x, 16);
});

//....vs....

it('"moveRight()" should increment the "x" propety by 1', function () {
  var startingX = 15;

jhartikainen

describe('Something', function() {
  var values = ['a', 'b', 'c'];
  
  values.forEach(function(val) {
    it('should do something with ' + val + ' in this test', function() {
      assert.equal(foo(), val);
    });
  })
});

jhartikainen

someModule.service('something', function($rootScope) {
  var emitter = $rootScope.$new(true);
  
  var data = whateverStuffHere;
  
  return {
    onDataUpdated: function(callback) {
      //by returning the result from $on, we get
      //the ability to remove event listeners easily
      return emitter.$on('update', callback);

jhartikainen

describe('something', function() {
  var oldXrm;
  beforeEach(function() {
    oldXrm = Xrm;
    
    Xrm = {
      Page: {
        getAttribute: sinon.stub()
      }
    };

jhartikainen

describe('something', function() {
  var sandbox;
  beforeEach(function() {
    sandbox = sinon.sandbox.create();
  });
  
  afterEach(function() {
    sandbox.restore();
  });