objects-and-methods 2203

mythical-creatures/README.md

@@ -11,7 +11,7 @@ In order to complete these exercises create a class for each of the mythical cre
 Navigate to the `mythical-creatures` directory in your terminal, and then run your first test:
 
 ```
-ruby test/unicorn_spec.rb
+ruby spec/unicorn_spec.rb
 ```
 
 If you get an error regarding a certain gem not being installed, you may need to run the following command from your terminal:

objects-and-methods/exercise-1/spec/bag_spec.rb

@@ -4,58 +4,64 @@
 
 RSpec.describe Bag do
  it 'is empty' do
- expect(Bag.new.empty?).to be true
+ bag = Bag.new
+
+ expect(bag.empty?).to be true
  end
 
  xit 'can count the candy in an empty bag' do
+ bag = Bag.new
+
  expect(Bag.new.count).to eq(0)
  end
 
  xit 'has no candies when it is empty' do
+ bag = Bag.new
+
  expect(Bag.new.candies).to eq([])
  end
 
  xit 'can put a candy in a bag' do
  bag = Bag.new
-
  candy = Candy.new('Sour frogs')
-
- bag << candy
+ bag.add_candy candy
 
  expect(bag.candies).to eq([candy])
  end
 
  xit 'is not empty when it has candies' do
  bag = Bag.new
- bag << Candy.new("Nerds")
+ bag.add_candy Candy.new("Nerds")
 
  expect(bag.empty?).to be false
  end
 
  xit 'can count candies' do
  bag = Bag.new
- bag << Candy.new("Caramelized Almonds")
+ bag.add_candy Candy.new("Caramelized Almonds")
 
  expect(bag.count).to eq(1)
  end
 
+ # NOTE:
+ # You usually don't want to chain a bunch of
+ # different methods together like this:
+ # type = bag.candies.first.type
+ # We'll talk about it more in a few weeks.
+ # However. it's important to understand how these methods work.
  xit 'contains candies and candies have a type' do
  bag = Bag.new
- bag << Candy.new("Hershey's Kisses")
- # You usually don't want to chain a bunch of different
- # types of things together like this.
- # We'll talk about it more in a few weeks.
- # It's important to understand how these methods work, though.
+ bag.add_candy Candy.new("Hershey's Kisses")
  type = bag.candies.first.type
 
  expect(type).to eq("Hershey's Kisses")
  end
 
  xit 'can be asked if it has a particular kind of candy' do
  bag = Bag.new
- bag << Candy.new("Lindt chocolate")
+ bag.add_candy Candy.new("Lindt chocolate")
 
  expect(bag.contains?('Lindt chocolate')).to be true
- expect(bag.contains?('Nerds')).to false
+ expect(bag.contains?('Nerds')).to be false
  end
 end

objects-and-methods/exercise-1/spec/trick_or_treater_spec.rb

@@ -31,7 +31,7 @@
 
  xit 'can get candies' do
  trick_or_treater = TrickOrTreater.new(Costume.new('Spaceship Mechanic'))
- trick_or_treater.bag << Candy.new('Gummy bears')
+ trick_or_treater.bag.add_candy Candy.new('Gummy bears')
 
  expect(trick_or_treater.has_candy?).to be true
  end
@@ -41,16 +41,16 @@
 
  expect(trick_or_treater.candy_count).to eq(0)
 
- trick_or_treater.bag << Candy.new('Gummy bears')
+ trick_or_treater.bag.add_candy Candy.new('Gummy bears')
 
  expect(trick_or_treater.candy_count).to eq(1)
  end
 
  xit 'can eat candies' do
  trick_or_treater = TrickOrTreater.new(Costume.new("Baron"))
- trick_or_treater.bag << Candy.new("Gummy worms")
- trick_or_treater.bag << Candy.new("Liquorice")
- trick_or_treater.bag << Candy.new("Salty Serpents")
+ trick_or_treater.bag.add_candy Candy.new("Gummy worms")
+ trick_or_treater.bag.add_candy Candy.new("Liquorice")
+ trick_or_treater.bag.add_candy Candy.new("Salty Serpents")
 
  expect(trick_or_treater.candy_count).to eq(3)
  trick_or_treater.eat

objects-and-methods/exercise-2/spec/bag_spec.rb

@@ -4,59 +4,65 @@
 
 RSpec.describe Bag do
  it 'is empty' do
- expect(Bag.new.empty?).to be true
+ bag = Bag.new
+
+ expect(bag.empty?).to be true
  end
 
  xit 'can count the candy in an empty bag' do
+ bag = Bag.new
+
  expect(Bag.new.count).to eq(0)
  end
 
  xit 'has no candies when it is empty' do
+ bag = Bag.new
+
  expect(Bag.new.candies).to eq([])
  end
 
  xit 'can put a candy in a bag' do
  bag = Bag.new
-
  candy = Candy.new('Sour frogs')
-
- bag << candy
+ bag.add_candy candy
 
  expect(bag.candies).to eq([candy])
  end
 
  xit 'is not empty when it has candies' do
  bag = Bag.new
- bag << Candy.new('Nerds')
+ bag.add_candy Candy.new("Nerds")
 
  expect(bag.empty?).to be false
  end
 
  xit 'can count candies' do
  bag = Bag.new
- bag << Candy.new('Caramelized Almonds')
+ bag.add_candy Candy.new("Caramelized Almonds")
 
  expect(bag.count).to eq(1)
  end
 
+ # NOTE:
+ # You usually don't want to chain a bunch of
+ # different methods together like this:
+ # type = bag.candies.first.type
+ # We'll talk about it more in a few weeks.
+ # However. it's important to understand how these methods work.
  xit 'contains candies and candies have a type' do
  bag = Bag.new
- bag << Candy.new('Hersheys Kisses')
- # You usually don't want to chain a bunch of different
- # types of things together like this.
- # We'll talk about it more in a few weeks.
- # It's important to understand how these methods work, though.
+ bag.add_candy Candy.new("Hershey's Kisses")
  type = bag.candies.first.type
 
- expect(type).to eq('Hersheys Kisses')
+ expect(type).to eq("Hershey's Kisses")
  end
 
  xit 'can be asked if it has a particular kind of candy' do
  bag = Bag.new
- bag << Candy.new('Lindt chocolate')
+ bag.add_candy Candy.new("Lindt chocolate")
 
  expect(bag.contains?('Lindt chocolate')).to be true
- expect(bag.contains?('Nerds')).to false
+ expect(bag.contains?('Nerds')).to be false
  end
 
  xit 'can get a particular type of candy' do
@@ -104,7 +110,3 @@
  expect(candy.type).to eq('Lifesavers')
  end
 end
-
-
-
-

objects-and-methods/exercise-2/spec/trick_or_treater_spec.rb

@@ -31,7 +31,7 @@
 
  xit 'can get candies' do
  trick_or_treater = TrickOrTreater.new(Costume.new('Spaceship Mechanic'))
- trick_or_treater.bag << Candy.new('Gummy bears')
+ trick_or_treater.bag.add_candy Candy.new('Gummy bears')
 
  expect(trick_or_treater.has_candy?).to be true
  end
@@ -41,16 +41,16 @@
 
  expect(trick_or_treater.candy_count).to eq(0)
 
- trick_or_treater.bag << Candy.new('Gummy bears')
+ trick_or_treater.bag.add_candy Candy.new('Gummy bears')
 
  expect(trick_or_treater.candy_count).to eq(1)
  end
 
  xit 'can eat candies' do
  trick_or_treater = TrickOrTreater.new(Costume.new('Baron'))
- trick_or_treater.bag << Candy.new('Gummy worms')
- trick_or_treater.bag << Candy.new('Liquorice')
- trick_or_treater.bag << Candy.new('Salty Serpents')
+ trick_or_treater.bag.add_candy Candy.new('Gummy worms')
+ trick_or_treater.bag.add_candy Candy.new('Liquorice')
+ trick_or_treater.bag.add_candy Candy.new('Salty Serpents')
 
  expect(trick_or_treater.candy_count).to eq(3)
  trick_or_treater.eat
@@ -73,9 +73,9 @@
  xit 'increases the sugar level when it eats candies' do
  trick_or_treater = TrickOrTreater.new(Costume.new('Hobbit'))
 
- trick_or_treater.bag << Candy.new('Gummy worms', 88)
- trick_or_treater.bag << Candy.new('Liquorice', 83)
- trick_or_treater.bag << Candy.new('Salty Serpents', 71)
+ trick_or_treater.bag.add_candy Candy.new('Gummy worms', 88)
+ trick_or_treater.bag.add_candy Candy.new('Liquorice', 83)
+ trick_or_treater.bag.add_candy Candy.new('Salty Serpents', 71)
 
  trick_or_treater.eat
  trick_or_treater.eat