Fix token renewal (#4)

lib/icd/api/authorize_token.rb

@@ -12,6 +12,8 @@ class AuthorizeToken
       setting :client_secret, default: ENV['ICD_API_CLIENT_SECRET']
 
       class << self
+        attr_reader :access_token
+
         def call
           return @access_token if valid?
 
@@ -23,15 +25,15 @@ def call
                                          client_secret: config.client_secret
                                        }
 
-          @access_token ||= AccessToken.new(::JSON.parse(response.body))
+          @access_token = AccessToken.new(::JSON.parse(response.body))
         end
 
         private
 
         def valid?
           return false if @access_token.nil?
 
-          @access_token.expires_at > Time.now
+          @access_token.expires_at.to_i > Time.now.to_i
         end
 
         def http_adapter

spec/icd/api/authorize_token_spec.rb

@@ -25,6 +25,20 @@ module Api
             expect(subject.expires_at.to_i).to be_within(5).of(Time.now.to_i + 3600)
           end
         end
+
+        context 'when the token is expired' do
+          let(:expired_token) { AccessToken.new({ 'expires_in' => 0, 'access_token' => 'expired_token' }) }
+          before do
+            described_class.instance_variable_set(:@access_token, expired_token)
+          end
+
+          it 'gets a new token' do
+            VCR.use_cassette('icd/api/authorize_token') do
+              expect { subject }.to change(described_class, :access_token)
+              expect(subject.expires_at.to_i).to be_within(5).of(Time.now.to_i + 3600)
+            end
+          end
+        end
       end
     end
   end