Matt Crocco solution

features/animal.feature

@@ -1 +1,17 @@
-#Create your feature here
+Feature: Animal
+  For the Classy Hotel to track their animal clientele
+  they use a client's name, type and age
+
+  Scenario: Coolio the Capybara
+    Given a capybara named 'Coolio' who is 10 years of age
+    Then it should be tracked as a capybara
+    And it should be named 'Coolio'
+    And it should be 10 years old
+    And it should be considered old
+
+  Scenario: Frank the Fox
+    Given a fox named 'Frank' who is 2 years of age
+    Then it should be tracked as a fox
+    And it should be named 'Frank'
+    And it should be 2 years old
+    And it should be considered young

features/step_definitions/animal_steps.rb

@@ -1 +1,23 @@
-#Delete this comment, here is where you should write your step defs
+Given(/^a (\w+) named '(.+)' who is (\d+) years of age/) do |type, name, age|
+  @animal = Animal.new(name, type, age.to_i)
+end
+
+Then(/^it should be tracked as a (\w+)/) do |type|
+  expect(@animal.type).to eq type
+end
+
+Then(/^it should be named '(\w+)'/) do |name|
+  expect(@animal.name).to eq name
+end
+
+Then(/^it should be (\d+) years old/) do |age|
+  expect(@animal.age).to eq age.to_i
+end
+
+Then(/^it should be considered (young|old)/) do |age_category|
+  if age_category == 'young'
+    expect(@animal).not_to be_old
+  else
+    expect(@animal).to be_old
+  end
+end