Move pre-compilation task into its own feature.

This also removes a lot of nested Cucumber steps.

features/kumade_without_jammit.feature

@@ -12,29 +12,3 @@ Feature: Kumade without jammit
   Scenario: Jammit packager does not run if Jammit is not installed
     When I run kumade with "pretend-staging"
     Then the output should not contain "==> ! Error: Jammit::MissingConfiguration"
-
-  Scenario: Run custom task if it exists
-    Given I write to "Rakefile" with:
-      """
-      namespace :kumade do
-        task :before_asset_compilation do
-          puts 'Hi!'
-        end
-      end
-      """
-    When I run kumade with "pretend-staging"
-    Then the output should contain "Running rake task: kumade:before_asset_compilation"
-    And the output should contain "Hi!"
-
-  Scenario: Don't run rake task in pretend mode
-    Given I write to "Rakefile" with:
-      """
-      namespace :kumade do
-        task :before_asset_compilation do
-          puts 'Hi!'
-        end
-      end
-      """
-    When I run kumade with "pretend-staging -p"
-    Then the output should contain "Running rake task: kumade:before_asset_compilation"
-    And the output should not contain "Hi!"

features/rake_task_before_asset_compilation.feature

@@ -0,0 +1,29 @@
+@slow @creates-remote @disable-bundler
+Feature: Rake task that runs before asset compilation
+  As a user
+  I want a Rake task that runs before packaging
+  So that I can hook into the packaging process
+
+  Scenario: Custom task runs if Jammit is installed
+    Given a new Rails application with Kumade and Jammit
+    When I create a Heroku remote named "pretend-staging"
+    And I add a pre-compilation rake task that prints "Hi!"
+    And I run kumade with "pretend-staging"
+    Then the output should contain "kumade:before_asset_compilation"
+    And the output should contain "Hi!"
+
+  Scenario: Custom task runs if Jammit is not installed
+    Given a new Rails application with Kumade
+    When I create a Heroku remote named "pretend-staging"
+    And I add a pre-compilation rake task that prints "Hi!"
+    And I run kumade with "pretend-staging"
+    Then the output should contain "kumade:before_asset_compilation"
+    And the output should contain "Hi!"
+
+  Scenario: Pre-asset compilation task does not run when pretending
+    Given a new Rails application with Kumade and Jammit
+    When I create a Heroku remote named "pretend-staging"
+    And I add a pre-compilation rake task that prints "Hi!"
+    And I run kumade with "pretend-staging -p"
+    Then the output should contain "kumade:before_asset_compilation"
+    But the output should not contain "Hi!"

features/step_definitions/rails_steps.rb

@@ -1,14 +1,7 @@
 Given /^a new Rails application with Kumade$/ do
-  run_simple("rails new rake-tasks -T")
-  cd('rake-tasks')
-  append_to_file('Gemfile', "gem 'kumade', :path => '#{PROJECT_PATH}'")
-  run_bundler
-  set_up_git_repo
+  create_rails_app_with_kumade
 end
 
 Given /^a new Rails application with Kumade and Jammit$/ do
-  Given "a new Rails application with Kumade"
-  add_jammit_to_gemfile
-  run_bundler
-  set_up_git_repo
+  create_rails_app_with_kumade_and_jammit
 end

features/support/rails.rb

@@ -0,0 +1,18 @@
+module RailsAppHelpers
+  def create_rails_app_with_kumade
+    run_simple("rails new rake-tasks -T")
+    cd('rake-tasks')
+    append_to_file('Gemfile', "gem 'kumade', :path => '#{PROJECT_PATH}'")
+    run_bundler
+    set_up_git_repo
+  end
+
+  def create_rails_app_with_kumade_and_jammit
+    create_rails_app_with_kumade
+    add_jammit_to_gemfile
+    run_bundler
+    commit_everything_in_repo
+  end
+end
+
+World(RailsAppHelpers)