Added feature: Support the Heroku addon in the generator

features/rails.feature

@@ -106,3 +106,31 @@ Feature: Install the Gem in a Rails application
     And I run "rm Capfile"
     And I run the hoptoad generator with "-k myapikey"
     Then "config/deploy.rb" should not contain "capistrano"
+
+  @wip
+  Scenario: Support the Heroku addon in the generator
+    When I generate a new Rails application
+    And I configure the Hoptoad shim
+    And I configure my application to require the "hoptoad_notifier" gem
+    And I run the hoptoad generator with "--heroku"
+    Then my initializer should contain the following line:
+      """
+      config.api_key = ENV['HOPTOAD_API_KEY']
+      """
+    When I export the environment variable HOPTOAD_API_KEY" to be "myapikey"
+    And I define a response for "TestController#index":
+      """
+      session[:value] = "test"
+      raise RuntimeError, "some message"
+      """
+    And I route "/test/index" to "test#index"
+    And I perform a request to "http://example.com:123/test/index?param=value"
+    Then I should receive the following Hoptoad notification:
+      | component     | test                                          |
+      | action        | index                                         |
+      | error message | RuntimeError: some message                    |
+      | error class   | RuntimeError                                  |
+      | session       | value: test                                   |
+      | parameters    | param: value                                  |
+      | url           | http://example.com:123/test/index?param=value |
+