initial commit

lib/tree.rb

@@ -1,38 +1,62 @@
 class NoApplesError < StandardError; end
 
-class AppleTree
-  attr_#fill_in :height, :age, :apples, :alive
+class Tree
+  attr_reader :height, :age, :apples, :alive
 
   def initialize
+    @height = 0
+    @age = 0
+    @apples = []
+    @alive = true
   end
 
   def age!
+    @age += 1
+    @height += 1
+    self.add_apples
+    if @age == 16
+      @alive = false
+    end
   end
 
   def add_apples
+    $i = 0
+    $num = rand(0...6)
+    possibleColors = ['red', 'green', 'yellow', 'dark red']
+    until $i > $num
+      @apples.push Apple.new(possibleColors[rand(0...3)], rand(1...4))
+      $i += 1
+    end
   end
 
   def any_apples?
+    @apples.count > 1
   end
 
   def pick_an_apple!
     raise NoApplesError, "This tree has no apples" unless self.any_apples?
+    @apples.pop
   end
 
   def dead?
+    !@alive
   end
 end
 
 class Fruit
+  attr_reader :has_seeds
   def initialize
-    has_seeds = true
+    @has_seeds = true
   end
 end
 
-class Apple <
-  attr_reader #what should go here 
+class Apple < Fruit
+  attr_reader :color, :diameter
 
   def initialize(color, diameter)
+    @color = color
+    @diameter = diameter
+    super()
   end
 end
 
@@ -61,7 +85,7 @@ def tree_data
       diameter_sum += apple.diameter
     end
 
-    avg_diameter = # It's up to you to calculate the average diameter for this harvest.
+    avg_diameter = diameter_sum / basket.count
 
     puts "Year #{tree.age} Report"
     puts "Tree height: #{tree.height} feet"

spec/tree_spec.rb

@@ -1,14 +1,78 @@
 require 'rspec'
 require 'tree'
 
-describe 'Tree' do
+describe Tree do
   it 'should be a Class' do
-    expect(described_class.is_a? 'Class').to be_true
+    expect(described_class.is_a? Class).to eq true
   end
+
+  it 'should add apples' do
+    appleTree = Tree.new
+    appleTree.add_apples
+    expect(appleTree.apples.count()).to be > 0
+  end
+
+  it 'should pick an apple' do
+    appleTree = Tree.new
+    appleTree.add_apples
+    startingApples = appleTree.apples.count()
+    appleTree.pick_an_apple!
+    endingApples = appleTree.apples.count()
+    expect(startingApples).to be > endingApples
+  end
+
+  it 'should age' do
+    appleTree = Tree.new
+    appleTree.age!
+    expect(appleTree.age).to eq 1
+    expect(appleTree.height).to eq 1
+    expect(appleTree.apples.count()).to be > 0
+  end
+
+  it 'should reveal alive status' do
+    appleTree = Tree.new
+    appleTree.age!
+    expect(appleTree.dead?).to eq false
+  end
+
+  it 'should reveal dead status' do
+    appleTree = Tree.new
+    16.times { appleTree.age! }
+    expect(appleTree.dead?).to eq true
+  end
+
 end
 
-describe 'Fruit' do
+describe Fruit do
+  it 'should be a Class' do
+    expect(described_class.is_a? Class).to eq true
+  end
+
+  it 'should have seeds' do
+    aFruit = Fruit.new
+    expect(aFruit.has_seeds).to eq true
+  end
 end
 
-describe 'Apple' do
+describe Apple do
+  it 'should be a Class' do
+    expect(described_class.is_a? Class).to eq true
+  end
+
+  it 'should have seeds' do
+    apple = Apple.new("red", 3)
+    expect(apple.has_seeds).to eq true
+  end
+
+  it 'should have a color' do
+    apple = Apple.new("red", 3)
+    expect(apple.color).to be_a_kind_of(String)
+    expect(apple.color).to eq "red"
+  end
+
+  it 'should have a diameter' do
+    apple = Apple.new("green", 2)
+    expect(apple.diameter).to be_a_kind_of(Numeric)
+    expect(apple.diameter).to eq 2
+  end
 end