trikitrok

class Manager {
  constructor(employee) {
    this.employee = employee;
  }

  doThing() {
    this.employee.doThing();
  }

  doAnotherThing() {

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// From  Ayush Jindal's exercises for code smells https://github.com/ayjindal/CodeSmells

class Customer {
  constructor(name, address) {
    this.name = name;
    this.currentAddress = address;
  }

  printAddress() {
    console.log(

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// From Rachel M. Carmena's https://github.com/rachelcarmena/code-smells

class CoolStack<T> extends Array {

  push(...items: T[]): number {
    return super.push(...items);
  }

  public pop(): T {
    return super.pop();

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// From Rachel M. Carmena's https://github.com/rachelcarmena/code-smells

class DistanceCalculator {
  betweenPoints(x1, y1, x2, y2) {
    return Math.sqrt(Math.pow((y2 - y1), 2) + Math.pow(x2 - x1, 2));
  }

  toOriginFrom(x, y) {
    return Math.sqrt(Math.pow(y, 2) + Math.pow(x, 2));
  }

trikitrok

Tools

throwtheswitch libraries: Unity, Cmock, Ceedling, etc http://www.throwtheswitch.org/

UNITY, Unit Testing for C (especially Embedded Software) http://www.throwtheswitch.org/unity/

CMock, Automated Mock & Stub Generation For C http://www.throwtheswitch.org/cmock/

trikitrok

// As a direct chain of calls
class FlightBooking  {
  private Plane plane;
  // ...
  public boolean isSeatAvailable(int rowNumber, String seat) {
    return plane.getRows().get(rowNumber - 1).isAvailable(seat);
  }
}

// Chaining calls through intermediate results 

trikitrok

using System;
using System.Collections.Generic;
using NSubstitute;
using NSubstitute.Exceptions;
using Xunit;namespace KataTirePressureVariation.Test
{
    public class AlarmShould
    {
        private Sensor sensor;
        Notifier notifier;        

trikitrok

Tools

• Jest
• Expect - Jest
• ts-mockito

Example of spying an interaction

interface Collaborator {
    collaborate(): void;
}

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// Adapted from Rachel M. Carmena's https://github.com/rachelcarmena/code-smells

<?php

class DistanceCalculator {
    public function betweenPoints(int $x1, int $y1, int $x2, int $y2) : float {
        return sqrt(pow(($y2 - $y1), 2) + pow($x2 - $x1, 2));
    }

    public function toOriginFrom(int $x, int $y) : float {

trikitrok

<?php

class Manager {
  Worker $worker;

  // some functions
  
  public function doThing() : void {
    $this->worker->doThing();
  }