Add specs

.rubocop.yml

@@ -40,6 +40,8 @@ Metrics/PerceivedComplexity:
     - "lib/rubocop/cop/custom/*.rb"
 Naming/VariableNumber:
   EnforcedStyle: snake_case
+Rails/InverseOf:
+  Enabled: false
 Style/AccessModifierDeclarations:
   EnforcedStyle: inline
 Style/Documentation:

app/models/address.rb

@@ -2,6 +2,12 @@
 
 class Address < ApplicationRecord
   has_many :driver_addresses, dependent: :destroy
+  has_many :ride_origins, class_name: "Ride", foreign_key: "from_address_id", dependent: nil, inverse_of: :from_address
+  has_many :ride_destinations, class_name: "Ride", foreign_key: "to_address_id", dependent: nil, inverse_of: :to_address
 
   validates :line_1, :city, :state, :zip_code, :place_id, :latitude, :longitude, presence: true
+
+  def rides
+    Ride.by_address(id)
+  end
 end

app/models/ride.rb

@@ -12,4 +12,8 @@ class Ride < ApplicationRecord
     numericality: {
       greater_than_or_equal_to: 0
     }
+
+  scope :by_address, ->(address_id) {
+                       where(from_address_id: address_id).or(where(to_address_id: address_id))
+                     }
 end

spec/models/address_spec.rb

@@ -18,6 +18,12 @@
 
   describe "instance_methods" do
     it "can query for associated rides" do
+      ride = create(:ride)
+      from_address = ride.from_address
+      to_address = ride.to_address
+
+      expect(from_address.rides).to include(ride)
+      expect(to_address.rides).to include(ride)
     end
   end
 end