Support Braintree::Customer.find

lib/fake_braintree/customer.rb

@@ -43,7 +43,8 @@ def create_id
     end
 
     def credit_card_is_failure?
-      FakeBraintree.failure?(@request_hash["credit_card"]["number"])
+      @request_hash.key?('credit_card') &&
+        FakeBraintree.failure?(@request_hash["credit_card"]["number"])
     end
 
     def invalid_credit_card?
@@ -53,7 +54,8 @@ def invalid_credit_card?
     def verify_credit_card?(customer_hash)
       return true if FakeBraintree.verify_all_cards
 
-      @request_hash["credit_card"].key?("options") &&
+      @request_hash.key?("credit_card") &&
+        @request_hash["credit_card"].key?("options") &&
         @request_hash["credit_card"]["options"].is_a?(Hash) &&
         @request_hash["credit_card"]["options"]["verify_card"] == true
     end

lib/fake_braintree/sinatra_app.rb

@@ -21,6 +21,16 @@ class SinatraApp < Sinatra::Base
       end
     end
 
+    # Braintree::Customer.find
+    get "/merchants/:merchant_id/customers/:id" do
+      customer = FakeBraintree.customers[params[:id]]
+      if customer
+        gzipped_response(200, customer.to_xml(:root => 'customer'))
+      else
+        gzipped_response(404, {})
+      end
+    end
+
     # Braintree::Subscription.create
     post "/merchants/:merchant_id/subscriptions" do
       response_hash = Subscription.new(request).response_hash

spec/fake_braintree/customer_spec.rb

@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe FakeBraintree::SinatraApp, "Braintree::Customer.create" do
+describe "Braintree::Customer.create" do
   let(:cc_number)       { %w(4111 1111 1111 1111).join }
   let(:expiration_date) { "04/2016" }
   after { FakeBraintree.verify_all_cards = false }
@@ -71,3 +71,22 @@ def create_customer_with_credit_card(options)
     end
   end
 end
+
+describe "Braintree::Customer.find" do
+  let(:cc_number)       { %w(4111 1111 1111 1111).join }
+  let(:expiration_date) { "04/2016" }
+
+  def create_customer(options)
+    Braintree::Customer.create(:credit_card => options)
+  end
+
+  it "successfully finds a customer" do
+    result = Braintree::Customer.create(:first_name => "Bob", :last_name => "Smith")
+
+    Braintree::Customer.find(result.customer.id).first_name.should == "Bob"
+  end
+
+  it "raises an error for a nonexistent customer" do
+    lambda { Braintree::Customer.find("foo") }.should raise_error(Braintree::NotFoundError)
+  end
+end