feature/prototypes

staff/pere-hernandez/prototype/animal/Animal.js

@@ -0,0 +1,73 @@
+function Animal (birthday, weight, height, legs){
+    if (birthday instanceof Date === false)
+        throw new TypeError(birthday + ' is not a Date')
+    if (typeof weight !== 'number')
+        throw new TypeError(weight + ' is not a number')
+    if (weight < 0)
+        throw new RangeError('weight needs to be positive')
+    if (typeof height !== 'number')
+        throw new TypeError(height + ' is not a number')
+    if (height < 0)
+        throw new RangeError('height needs to be positive')
+    if (!Number.isInteger(legs))
+        throw new TypeError(legs + ' is not an Integer')
+    if (legs < 0)
+        throw new RangeError('legs needs to be positive')
+
+    this.birthday = birthday
+    this.weight = weight
+    this.height = height
+    this.legs = legs
+    this.eats = ''
+    this.awake = true
+    this.speed = 0
+    this.alive = true
+    this.silent = true
+    this.message = ''
+}
+
+Animal.prototype.eat = function(food){
+    if (typeof food !== 'string')
+        throw new TypeError(food + ' is not a String')
+    if (this.alive === false)
+        throw new Error ('tries to eat on alive false')
+    if (this.awake === false)
+        throw new Error('tries to eat on awake false')
+
+
+    this.eats = food
+}
+
+Animal.prototype.sleep = function(){
+    if (this.alive === false)
+        throw new Error('tries to sleep on alive false')
+    this.awake = false
+    this.silent = true
+    this.message = ''
+}
+
+Animal.prototype.wakeUp = function(){
+    if (this.alive === false)
+        throw new Error('tries to wake up on alive false')
+    this.awake = true
+}
+
+Animal.prototype.move = function(speed){
+    if (typeof speed !== 'number')
+        throw new TypeError(speed + ' is not a number')
+    if (speed < 0)
+        throw new RangeError('speed must be positive')
+    if (this.alive === false)
+        throw new Error('tries to move on alive false')
+    if (this.awake === false)
+        throw new Error('try to move on awake false')
+
+
+    this.speed = speed
+}
+
+Animal.prototype.die = function(){
+    this.alive = false
+}
+
+module.exports = Animal

staff/pere-hernandez/prototype/animal/Animal.test.js

@@ -0,0 +1,232 @@
+var Animal = require ('./Animal')
+var assert = require ('./assert')
+
+
+console.log('CASE Animal constructor happy')
+
+var animal = new Animal(new Date(2020, 1, 8), 2.5, 0.3, 2)
+
+assert.instanceOf(animal, Animal)
+
+assert.assert(animal.birthday.getFullYear(), 2020)
+assert.assert(animal.birthday.getMonth(), 1)
+assert.assert(animal.birthday.getDate(), 8)
+assert.assert(animal.weight, 2.5)
+assert.assert(animal.height, 0.3)
+assert.assert(animal.legs, 2)
+assert.assert(animal.eats, '')
+assert.assert(animal.awake, true)
+assert.assert(animal.speed, 0)
+assert.assert(animal.alive, true)
+assert.assert(animal.silent, true)
+assert.assert(animal.message, '')
+
+
+console.log('CASE Animal constructor birthday unhappy')
+
+var errorThrown
+try {
+    animal = new Animal('12Oct21', 2.5, 0.3, 2)
+} catch (error) {
+    errorThrown = error
+}
+assert.error(errorThrown, 'TypeError', '12Oct21 is not a Date')
+
+
+
+console.log('CASE Animal constructor weight unhappy')
+
+try {
+    animal = new Animal(new Date(2020, 1, 8), '2.5', 0.3, 2)
+} catch (error) {
+    errorThrown = error
+}
+assert.error(errorThrown, 'TypeError', '2.5 is not a number')
+
+try {
+    animal = new Animal(new Date(2020, 1, 8), -7, 0.3, 2)
+} catch (error){
+    errorThrown  = error
+}
+assert.error(errorThrown, 'RangeError', 'weight needs to be positive')
+
+
+
+console.log('CASE Animal constructor height unhappy')
+
+try {
+    animal = new Animal(new Date(2020, 1, 8), 2.5, '0.3', 2)
+} catch (error) {
+    errorThrown = error
+}
+assert.error(errorThrown, 'TypeError', '0.3 is not a number')
+
+try {
+    animal = new Animal(new Date(2020, 1, 8), 2.5, -0.3, 2)
+} catch (error){
+    errorThrown  = error
+}
+assert.error(errorThrown, 'RangeError', 'height needs to be positive')
+
+
+
+console.log('CASE Animal constructor legs unhappy')
+
+try {
+    animal = new Animal(new Date(2020, 1, 8), 2.5, 0.3, '2')
+} catch (error) {
+    errorThrown = error
+}
+assert.error(errorThrown, 'TypeError', '2 is not an Integer')
+
+try {
+    animal = new Animal(new Date(2020, 1, 8), 2.5, 0.3, -2)
+} catch (error){
+    errorThrown  = error
+}
+assert.error(errorThrown, 'RangeError', 'legs needs to be positive')
+
+
+
+console.log('CASE eat() happy')
+
+animal.eat('espaguetis')
+assert.assert(animal.eats, 'espaguetis')
+
+
+
+console.log('CASE eat() unhappy not a String')
+
+try{
+    animal.eat(4)
+} catch (error) {
+    errorThrown = error
+}
+assert.error(errorThrown, 'TypeError', '4 is not a String')
+
+
+
+console.log('CASE sleep() happy')
+
+animal.sleep()
+assert.assert(animal.awake, false)
+assert.assert(animal.silent, true)
+assert.assert(animal.message, '')
+
+
+
+console.log('CASE try to eat on awake false unhappy')
+
+try{
+    animal.eat('lechuga')
+} catch (error) {
+    errorThrown = error
+}
+assert.error(errorThrown, 'Error', 'tries to eat on awake false')
+
+
+
+console.log('CASE wakeUp() happy')
+
+animal.wakeUp()
+assert.assert(animal.awake, true)
+
+
+
+console.log('CASE moves() happy happy')
+
+animal.move(5)
+assert.assert(animal.speed, 5)
+
+
+
+console.log('CASE moves() unhappy not a String')
+
+try{
+    animal.move('A toda hostia')
+} catch (error) {
+    errorThrown = error
+}
+assert.error(errorThrown, 'TypeError', 'A toda hostia is not a number')
+
+
+
+console.log('CASE moves() unhappy out of range')
+
+try{
+    animal.move(-7)
+} catch (error) {
+    errorThrown = error
+}
+assert.error(errorThrown, 'RangeError', 'speed must be positive')
+
+
+
+console.log('CASE moves() unhappy try to use move on awake false')
+
+animal.sleep()
+try{
+    animal.move(3)
+} catch (error) {
+    errorThrown = error
+}
+assert.error(errorThrown, 'Error', 'try to move on awake false')
+
+
+
+
+console.log('CASE die() happy')
+
+animal.wakeUp()
+animal.die()
+assert.assert(animal.alive, false)
+
+
+
+console.log('CASE eat() on alive false unhappy')
+
+try{
+    animal.eat('Una buena hostia')
+} catch (error) {
+    errorThrown = error
+}
+assert.error(errorThrown, 'Error', 'tries to eat on alive false')
+
+
+
+console.log('CASE sleep() on alive false unhappy')
+
+try{
+    animal.sleep()
+} catch (error) {
+    errorThrown = error
+}
+assert.error(errorThrown, 'Error', 'tries to sleep on alive false')
+
+
+
+console.log('CASE wakeUp() on alive false unhappy')
+
+animal.alive = true
+animal.sleep()
+animal.die()
+try{
+    animal.wakeUp()
+} catch (error) {
+    errorThrown = error
+}
+assert.error(errorThrown, 'Error', 'tries to wake up on alive false')
+
+
+
+console.log('CASE move() on alive false unhappy')
+
+animal.alive = true
+animal.wakeUp()
+animal.die()
+try{
+    animal.move(12)
+} catch (error) {
+    errorThrown = error
+}
+assert.error(errorThrown, 'Error', 'tries to move on alive false')

staff/pere-hernandez/prototype/animal/Cat.js

@@ -0,0 +1,43 @@
+var Pet = require ('./Pet')
+
+function Cat (birthday, weight, height, legs, name, owner, breed){
+    Pet.call(this, birthday, weight, height, legs, name, owner)
+
+    if (typeof breed !== 'string')
+        throw new TypeError(breed + ' is not a string')
+
+    this.breed = breed
+}
+
+Cat.prototype = Object.create(Pet.prototype)
+Cat.prototype.constructor = Cat
+
+Cat.prototype.meow = function(){
+    if (this.alive === false)
+        throw new Error('tries to meow on alive false')
+    if (this.awake === false)
+        throw new Error('tries to meow on awake false')
+
+    this.silent = false
+    this.message = 'Meow, meow'
+}
+
+
+Cat.prototype.eat = function(food){
+    if (typeof food !== 'string')
+        throw new TypeError(food + ' is not a string')
+    if (this.alive === false)
+        throw new Error ('tries to eat on alive false')
+    if (this.awake === false)
+        throw new Error('tries to eat on awake false')
+
+
+    if (food === 'lasagna'){
+        this.silent = true
+        this.message = ''
+    }
+    this.eats = food
+}
+
+
+module.exports = Cat