Rubocop solution - All tests passed

gem_city.rb

@@ -0,0 +1,49 @@
+# This class represents the town of Gem_City
+class GemCity
+  # This is a town riddled with crime but we can find out how happy the town is
+  attr_accessor :population, :thieves, :officers
+  def initialize
+    @thieves = 5
+    @officers = 1
+    @population = 50
+  end
+
+  def happiness_of_town
+    # happiness is random... people don't know what they want!
+    happiness_vals = []
+    happiness = 0
+    (1..@population).each do
+      happiness_vals.push(rand((100 - successful_crime_rate)..100))
+    end
+    happiness_vals.each do |value|
+      happiness += value
+    end
+    happiness / 100
+  end
+
+  def successful_crime_rate
+    if thieves <= 0 || officers > thieves
+      odds_percent = 0
+    else
+      odds = 1 - officers.to_f / thieves.to_f
+      odds_percent = odds * 100
+    end
+    odds_percent
+  end
+
+  def city_demographics
+    civilians = population - (thieves + officers)
+    demographics =
+    {
+      thieves: (get_percentage(thieves)) + '%',
+      officers: (get_percentage(officers)) + '%',
+      civilians: (get_percentage(civilians)) + '%'
+    }
+    demographics
+  end
+
+  def get_percentage(num)
+    num = ((num.to_f / population.to_f) * 100.0).to_i
+    num.to_s
+  end
+end

gem_city_spec.rb

@@ -1,5 +1,5 @@
 require 'rspec'
-require_relative 'GemCity' # This line may need to be changed
+require_relative 'gem_city' # This line may need to be changed
 
 describe 'Gem City' do
   let(:city) { GemCity.new }
@@ -15,19 +15,19 @@
     end
 
     it 'officers = thieves' do
-      city.thieves 1
-      city.setOfficers 1 # This line may need to be changed
+      city.thieves = 1
+      city.officers = 1 # This line may need to be changed
       expect(city.successful_crime_rate).to eq(0)
     end
 
     it 'thieves = 0' do
-      city.thieves 0
+      city.thieves = 0
       expect(city.successful_crime_rate).to eq(0)
     end
 
     it 'officers > thieves' do
-      city.thieves 1
-      city.setOfficers 2 # This line may need to be changed
+      city.thieves = 1
+      city.officers = 2 # This line may need to be changed
       expect(city.successful_crime_rate).to eq(0)
     end
   end
@@ -38,26 +38,26 @@
     end
 
     it 'successful_crime_rate = 0' do
-      city.thieves 0
+      city.thieves = 0
       expect(city.happiness_of_town).to eq(50)
     end
   end
 
-  # context 'city_demographics' do
-  #   it 'initialize' do
-  #     demographics = city.city_demographics
-  #     expect(demographics[:thieves]).to eq('10%')
-  #     expect(demographics[:officers]).to eq('2%')
-  #     expect(demographics[:civilians]).to eq('88%')
-  #   end
-
-  #   it 'thieves = 10, officers = 25' do
-  #     city.thieves = 10
-  #     city.officers = 25
-  #     demographics = city.city_demographics
-  #     expect(demographics[:thieves]).to eq('20%')
-  #     expect(demographics[:officers]).to eq('50%')
-  #     expect(demographics[:civilians]).to eq('30%')
-  #   end
-  # end
+  context 'city_demographics' do
+    it 'initialize' do
+      demographics = city.city_demographics
+      expect(demographics[:thieves]).to eq('10%')
+      expect(demographics[:officers]).to eq('2%')
+      expect(demographics[:civilians]).to eq('88%')
+    end
+
+    it 'thieves = 10, officers = 25' do
+      city.thieves = 10
+      city.officers = 25
+      demographics = city.city_demographics
+      expect(demographics[:thieves]).to eq('20%')
+      expect(demographics[:officers]).to eq('50%')
+      expect(demographics[:civilians]).to eq('30%')
+    end
+  end
 end