Helper for rspec functional tests

lib/focused_controller/rspec_functional_helper.rb

@@ -0,0 +1,32 @@
+require 'action_controller'
+require 'action_view'
+require 'action_dispatch'
+require 'rspec/rails'
+require 'focused_controller/functional_test_helper'
+
+module FocusedController
+  module RSpecFunctionalHelper
+    def self.append_features(base)
+      base.class_eval do
+        # This must be included first
+        include RSpec::Rails::ControllerExampleGroup
+        extend ClassMethods
+        include FocusedController::FunctionalTestHelper
+      end
+
+      super
+    end
+
+    module ClassMethods
+      def controller_class
+        controller = metadata[:example_group][:description_args].first
+
+        if controller.respond_to?(:new)
+          controller
+        else
+          super
+        end
+      end
+    end
+  end
+end

test/acceptance/app_test.rb

@@ -118,6 +118,10 @@ def run_command(command)
     run_command "ruby -Itest test/unit/controllers/posts_controller_test.rb"
   end
 
+  it 'runs a functional spec' do
+    run_command "rspec spec/controllers/posts_controller_spec.rb"
+  end
+
   it 'runs a unit spec' do
     run_command "rspec spec/unit/controllers/posts_controller_spec.rb"
   end

test/app/spec/controllers/posts_controller_spec.rb

@@ -0,0 +1,59 @@
+require 'spec_helper'
+
+describe PostsController do
+  include FocusedController::RSpecFunctionalHelper
+
+  before do
+    @post = Post.create(:title => 'Hello', :body => 'Omg')
+  end
+
+  describe PostsController::Index do
+    it "should get index" do
+      get
+      response.should be_success
+      subject.posts.should_not be_nil
+    end
+  end
+
+  describe PostsController::New do
+    it "should get new" do
+      get
+      response.should be_success
+    end
+  end
+
+  describe PostsController::Create do
+    it "should create post" do
+      expect { post post: @post.attributes }.to change(Post, :count).by(1)
+      response.should redirect_to(post_path(subject.post))
+    end
+  end
+
+  describe PostsController::Show do
+    it "should show post" do
+      get id: @post
+      response.should be_success
+    end
+  end
+
+  describe PostsController::Edit do
+    it "should get edit" do
+      get id: @post
+      response.should be_success
+    end
+  end
+
+  describe PostsController::Update do
+    it "should update post" do
+      put id: @post, post: @post.attributes
+      response.should redirect_to(post_path(subject.post))
+    end
+  end
+
+  describe PostsController::Destroy do
+    it "should destroy post" do
+      expect { delete id: @post }.to change(Post, :count).by(-1)
+      response.should redirect_to(posts_path)
+    end
+  end
+end

test/app/spec/spec_helper.rb

@@ -2,3 +2,4 @@
 require File.expand_path("../../config/environment", __FILE__)
 require 'rspec'
 require 'focused_controller/rspec_helper'
+require 'focused_controller/rspec_functional_helper'

test/helper.rb

@@ -2,6 +2,8 @@
 require 'minitest/spec'
 require 'minitest/autorun'
 require 'focused_controller'
+require 'pathname'
+require 'ostruct'
 
 require 'rspec/core'
 
@@ -10,4 +12,21 @@ module RSpec::Core::DSL
   remove_method :describe
 end
 
+# Annoying monkey-patches. "require 'rspec/rails'" pulls in 'capybara/rails', if it
+# can, and capybara/rails assumes there is a full rails env present. So this is a
+# hack to make it not fail.
+module Rails
+  def self.version
+    '3.0'
+  end
+
+  def self.root
+    Pathname.new('')
+  end
+
+  def self.application
+    OpenStruct.new(:env_config => {})
+  end
+end
+
 TEST_ROOT = File.expand_path('..', __FILE__)

test/unit/functional_test_helper_test.rb

@@ -3,9 +3,6 @@
 
 module FocusedController
   module FunctionalTestHelper
-    class FakeTestCase
-    end
-
     class FakePostsController
       class Index; end
       class Show; end

test/unit/rspec_functional_helper.rb

@@ -0,0 +1,38 @@
+require 'helper'
+require 'focused_controller/rspec_functional_helper'
+
+module FocusedController
+  module RSpecFunctionalHelper
+    class FakePostsController
+      class Action < ActionController::Base; end
+      class Index < Action; end
+      class Show < Action; end
+    end
+
+    index_spec = RSpec::Core::ExampleGroup.describe FakePostsController::Index do
+      include RSpec::Rails::ControllerExampleGroup
+      include FocusedController::RSpecFunctionalHelper
+    end
+
+    show_spec = nil
+    RSpec::Core::ExampleGroup.describe FakePostsController do
+      include RSpec::Rails::ControllerExampleGroup
+      include FocusedController::RSpecFunctionalHelper
+
+      show_spec = describe(FakePostsController::Show) {}
+    end
+
+    describe RSpecFunctionalHelper do
+      subject { index_spec.new }
+
+      it 'automatically determines the controller class' do
+        index_spec.controller_class.must_equal FakePostsController::Index
+        show_spec.controller_class.must_equal FakePostsController::Show
+      end
+
+      it 'includes the FocusedController::FunctionalTestHelper' do
+        subject.is_a?(FocusedController::FunctionalTestHelper).must_equal true
+      end
+    end
+  end
+end