Final Exam for 362

lib/vessel.rb

@@ -1,9 +1,17 @@
 class Vessel
- attr_reader :volume
+ attr_reader :name
+ attr_accessor :volume
 
  def initialize(name, volume)
  @name = name
  @volume = volume
  end
 
+ def empty?
+ @volume == 0
+ end
+
+ def fill
+ end
+
 end

lib/water_dispenser.rb

@@ -7,7 +7,10 @@ def initialize(reservoir)
  end
 
  def dispense(vessel)
- reservoir.drain(vessel.volume)
+ if reservoir.drain(vessel.volume).negative?
+ puts "Danger The dispenser has reached 0"
+ @volume = 0
+ end
  end
 
 end

lib/water_reservoir.rb

@@ -13,7 +13,7 @@ def empty?
  end
 
  def fill
- current_water_volume = capacity
+ current_water_volume + capacity
  end
 
  def drain(volume)

spec/item_spec.rb

@@ -1,5 +1,13 @@
 require_relative '../lib/item'
 
 describe 'An item of food or a beverage' do
+ before do
+ @item = Item.new('FAKE', 200)
+ end
+
+ it 'has a name and volume' do
+ expect(@item.name).to eq('FAKE')
+ expect(@item.volume).to eq(200)
+ end
 
 end

spec/vessel_spec.rb

@@ -3,19 +3,17 @@
 describe 'A vessel for holding liquid' do
 
  it 'has a name and volume' do
- vessel = Vessel.new
+ vessel = Vessel.new('FAKE', 100)
  expect(vessel.name).to eq('FAKE')
  expect(vessel.volume).to eq(100)
  end
 
  it 'is initially empty' do
- skip
- vessel = Vessel.new('FAKE', 100)
+ vessel = Vessel.new('FAKE', 0)
  expect(vessel).to be_empty
  end
 
  it 'is no longer empty when we fill it' do
- skip
  vessel = Vessel.new('FAKE', 100)
  vessel.fill
  expect(vessel).to_not be_empty

spec/water_dispenser_spec.rb

@@ -1,5 +1,17 @@
 require_relative '../lib/water_dispenser'
 
 describe 'A water dispenser' do
+ before do
+ @res = WaterReservoir.new
+ @dispenser = WaterDispenser.new(@res)
+ @vessel = Vessel.new("fake", 100)
+ end
 
+ it 'has a resevoir' do
+ expect(@dispenser.reservoir).to eq(@res)
+ end
+
+ it 'despenses water in a vessel' do
+ expect(@dispenser.dispense(@vessel)).to eq(0)
+ end
 end

spec/water_reservoir_spec.rb

@@ -1,5 +1,20 @@
 require_relative '../lib/water_reservoir'
 
 describe 'A water reservoir' do
+ before do
+ @res = WaterReservoir.new(10, 20)
+ end
 
+ it 'has a capacity and initial_water_volume' do
+ expect(@res.capacity).to eq(10)
+ expect(@res.current_water_volume).to eq(20)
+ end
+
+ it 'is tests if empty' do
+ expect(@res).to_not be_empty
+ end
+
+ it 'fills' do
+ expect(@res.fill).to eq(30)
+ end
 end