require File.expand_path(File.dirname(__FILE__) + '/helper')

describe "Mounter" do
  class ::TestApp < Tennpipes::Application; end

  def setup
    $VERBOSE, @_verbose_was = nil, $VERBOSE
    Tennpipes.clear!
  end

  def teardown
    $VERBOSE = @_verbose_was
  end

  describe 'for mounter functionality' do
    it 'should check methods' do
      mounter = Tennpipes::Mounter.new("test_app", :app_file => "/path/to/test.rb")
      mounter.to("/test_app")
      assert_kind_of Tennpipes::Mounter, mounter
      assert_respond_to Tennpipes::Mounter, :new
      assert_respond_to mounter, :to
      assert_respond_to mounter, :map_onto
      assert_equal "test_app", mounter.name
      assert_equal "TestApp", mounter.app_class
      assert_equal "/path/to/test.rb", mounter.app_file
      assert_equal "/test_app", mounter.uri_root
      assert_equal Tennpipes.root, mounter.app_root
    end

    it 'should use app.root if available' do
      require File.expand_path(File.dirname(__FILE__) + '/fixtures/apps/kiq')
      mounter = Tennpipes::Mounter.new("kiq", :app_class => "Kiq")
      mounter.to("/test_app")
      assert_equal '/weird', mounter.app_root
    end

    it 'should check locate_app_file with __FILE__' do
      mounter = Tennpipes::Mounter.new("test_app", :app_file => __FILE__)
      mounter.to("/test_app")
      assert_equal "test_app", mounter.name
      assert_equal "TestApp", mounter.app_class
      assert_equal __FILE__, mounter.app_file
      assert_equal "/test_app", mounter.uri_root
      assert_equal File.dirname(mounter.app_file), mounter.app_root
    end

    it 'should mount an app' do
      class ::AnApp < Tennpipes::Application; end
      Tennpipes.mount("an_app").to("/")
      assert_equal AnApp, Tennpipes.mounted_apps.first.app_obj
      assert_equal ["an_app"], Tennpipes.mounted_apps.map(&:name)
    end

    it 'should correctly mount an app in a namespace' do
      module ::SomeNamespace
        class AnApp < Tennpipes::Application; end
      end
      Tennpipes.mount("some_namespace/an_app").to("/")
      assert_equal SomeNamespace::AnApp, Tennpipes.mounted_apps.first.app_obj
      assert_equal ["some_namespace/an_app"], Tennpipes.mounted_apps.map(&:name)
    end

    it 'should correctly set a name of a namespaced app' do
      module ::SomeNamespace2
        class AnApp < Tennpipes::Application
          get(:index) { settings.app_name }
        end
      end
      Tennpipes.mount("SomeNamespace2::AnApp").to("/")
      res = Rack::MockRequest.new(Tennpipes.application).get("/")
      assert_equal "some_namespace2/an_app", res.body
    end

    it 'should mount a primary app to root uri' do
      mounter = Tennpipes.mount("test_app", :app_file => __FILE__).to("/")
      assert_equal "test_app", mounter.name
      assert_equal "TestApp", mounter.app_class
      assert_equal TestApp, mounter.app_obj
      assert_equal __FILE__, mounter.app_file
      assert_equal "/", mounter.uri_root
      assert_equal File.dirname(mounter.app_file), mounter.app_root
    end

    it 'should mount a primary app to sub_uri' do
      mounter = Tennpipes.mount("test_app", :app_file => __FILE__).to('/me')
      assert_equal "test_app", mounter.name
      assert_equal "TestApp", mounter.app_class
      assert_equal TestApp, mounter.app_obj
      assert_equal __FILE__, mounter.app_file
      assert_equal "/me", mounter.uri_root
      assert_equal File.dirname(mounter.app_file), mounter.app_root
    end

    it 'should raise error when app has no located file' do
      # TODO enabling this screws minitest
      # assert_raises(Tennpipes::Mounter::MounterException) { Tennpipes.mount("tester_app").to('/test') }
      assert_equal 0, Tennpipes.mounted_apps.size
    end

    it 'should raise error when app has no located object' do
      assert_raises(Tennpipes::Mounter::MounterException) { Tennpipes.mount("tester_app", :app_file => "/path/to/file.rb").to('/test') }
      assert_equal 0, Tennpipes.mounted_apps.size
    end

    it 'should mount multiple apps' do
      class ::OneApp < Tennpipes::Application; end
      class ::TwoApp < Tennpipes::Application; end

      Tennpipes.mount("one_app").to("/one_app")
      Tennpipes.mount("two_app").to("/two_app")
      # And testing no duplicates
      Tennpipes.mount("one_app").to("/one_app")
      Tennpipes.mount("two_app").to("/two_app")

      assert_equal OneApp, Tennpipes.mounted_apps[0].app_obj
      assert_equal TwoApp, Tennpipes.mounted_apps[1].app_obj
      assert_equal 2, Tennpipes.mounted_apps.size, "should not mount duplicate apps"
      assert_equal ["one_app", "two_app"], Tennpipes.mounted_apps.map(&:name)
    end

    it 'should mount app with the same name as the module' do
      Tennpipes.mount("Demo::App",  :app_file => File.expand_path(File.dirname(__FILE__) + '/fixtures/apps/demo_app.rb')).to("/app")
      Tennpipes.mount("Demo::Demo", :app_file => File.expand_path(File.dirname(__FILE__) + '/fixtures/apps/demo_demo.rb')).to("/")

      Tennpipes.mounted_apps.each do |app|
        assert_equal app.app_obj.setup_application!, true
      end
    end

    it 'should change mounted_root' do
      Tennpipes.mounted_root = "fixtures"
      assert_equal Tennpipes.root("fixtures", "test", "app.rb"), Tennpipes.mounted_root("test", "app.rb")
      Tennpipes.mounted_root = "apps"
      assert_equal Tennpipes.root("apps", "test", "app.rb"), Tennpipes.mounted_root("test", "app.rb")
      Tennpipes.mounted_root = nil
      assert_equal Tennpipes.root("test", "app.rb"), Tennpipes.mounted_root("test", "app.rb")
    end

    it 'should be able to access routes data for mounted apps' do
      class ::OneApp < Tennpipes::Application
        get("/test") { "test" }
        get(:index, :provides => [:js, :json]) { "index" }
        get(%r{/foo|/baz}) { "regexp" }
        controllers :posts do
          get(:index) { "index" }
          get(:new, :provides => :js) { "new" }
          get(:show, :provides => [:js, :html], :with => :id) { "show" }
          post(:create, :provides => :js, :with => :id) { "create" }
          get(:regexp, :map => %r{/foo|/baz}) { "regexp" }
        end
      end
      class ::TwoApp < Tennpipes::Application
        controllers :users do
          get(:index) { "users" }
          get(:new) { "users new" }
          post(:create) { "users create" }
          put(:update) { "users update" }
          delete(:destroy) { "users delete" }
        end
        controllers :foo_bar do
          get(:index) { "foo bar index" }
          get(:new) { "foo bar new" }
          post(:create) { "foo bar create" }
          put(:update) { "foo bar update" }
          delete(:destroy) { "foo bar delete" }
        end
        controllers :test, :nested do
          get(:test1){ "test1" }
        end
      end

      Tennpipes.mount("one_app").to("/")
      Tennpipes.mount("two_app").to("/two_app")

      assert_equal 15, Tennpipes.mounted_apps[0].routes.size
      assert_equal 16, Tennpipes.mounted_apps[1].routes.size
      assert_equal 6, Tennpipes.mounted_apps[0].named_routes.size
      assert_equal 11, Tennpipes.mounted_apps[1].named_routes.size

      first_route = Tennpipes.mounted_apps[0].named_routes[3]
      assert_equal "posts show", first_route.identifier.to_s
      assert_equal "(:posts, :show)", first_route.name
      assert_equal "GET", first_route.verb
      assert_equal "/posts/show/:id(.:format)?", first_route.path
      another_route = Tennpipes.mounted_apps[1].named_routes[2]
      assert_equal "users create", another_route.identifier.to_s
      assert_equal "(:users, :create)", another_route.name
      assert_equal "POST", another_route.verb
      assert_equal "/two_app/users/create", another_route.path
      regexp_route = Tennpipes.mounted_apps[0].named_routes[5]
      assert_equal "posts regexp", regexp_route.identifier.to_s
      assert_equal "(:posts, :regexp)", regexp_route.name
      assert_equal "/\\/foo|\\/baz/", regexp_route.path
      foo_bar_route = Tennpipes.mounted_apps[1].named_routes[5]
      assert_equal "(:foo_bar, :index)", foo_bar_route.name
      nested_route = Tennpipes.mounted_apps[1].named_routes[10]
      assert_equal "(:test_nested, :test1)", nested_route.name
    end
    
    it 'should configure cascade apps' do
      class ::App1 < Tennpipes::Application
        get(:index) { halt 404, 'index1' }
      end
      class ::App2 < Tennpipes::Application
        get(:index) { halt 404, 'index2' }
      end
      class ::App3 < Tennpipes::Application
        get(:index) { halt 404, 'index3' }
      end
      Tennpipes.mount('app1', :cascade => true).to('/foo')
      Tennpipes.mount('app2').to('/foo')
      Tennpipes.mount('app3').to('/foo')
      res = Rack::MockRequest.new(Tennpipes.application).get("/foo")
      assert_equal 'index2', res.body
    end

    it 'should correctly instantiate a new tennpipes application' do
      mock_app do
        get("/demo_1"){ "Im Demo 1" }
        get("/demo_2"){ "Im Demo 2" }
      end

      get '/demo_1'
      assert_equal "Im Demo 1", response.body
      get '/demo_2'
      assert_equal "Im Demo 2", response.body
    end

    it 'should not clobber the public setting when mounting an app' do
      class ::PublicApp < Tennpipes::Application
        set :root, "/root"
        set :public_folder, File.expand_path(File.dirname(__FILE__))
      end

      Tennpipes.mount("public_app").to("/public")
      res = Rack::MockRequest.new(Tennpipes.application).get("/public/test_mounter.rb")
      assert res.ok?
      assert_equal File.read(__FILE__), res.body
    end

    it 'should load apps from gems' do
      spec_file = Tennpipes.root("fixtures", "app_gem", "app_gem.gemspec")
      spec = Gem::Specification.load(spec_file)
      spec.activate
      def spec.full_gem_path
        Tennpipes.root("fixtures", "app_gem")
      end

      require Tennpipes.root("fixtures", "app_gem", "lib", "app_gem")

      Tennpipes.mount("AppGem::App").to("/from_gem")
      mounter = Tennpipes.mounted_apps[0]
      assert_equal AppGem::App, mounter.app_obj
      assert_equal Tennpipes.root('public'), mounter.app_obj.public_folder
    end

    it 'should support the Rack Application' do
      path = File.expand_path(File.dirname(__FILE__) + '/fixtures/apps/mountable_apps/rack_apps')
      require path
      Tennpipes.mount('rack_app', :app_class => 'RackApp', :app_file => path).to('/rack_app')
      Tennpipes.mount('rack_app2', :app_class => 'RackApp2', :app_file => path).to('/rack_app2')
      Tennpipes.mount('sinatra_app', :app_class => 'SinatraApp', :app_file => path).to('/sinatra_app')
      app = Tennpipes.application
      res = Rack::MockRequest.new(app).get("/rack_app")
      assert_equal "hello rack app", res.body
      res = Rack::MockRequest.new(app).get("/rack_app2")
      assert_equal "hello rack app2", res.body
      res = Rack::MockRequest.new(app).get("/sinatra_app")
      assert_equal "hello sinatra app", res.body
      res = Rack::MockRequest.new(app).get("/sinatra_app/static.html")
      assert_equal "hello static file\n", res.body
    end

    it 'should support the Rack Application inside tennpipes project' do
      path = File.expand_path(File.dirname(__FILE__) + '/fixtures/apps/demo_project/app')
      api_path = File.expand_path(File.dirname(__FILE__) + '/fixtures/apps/demo_project/api/app')
      require path
      require api_path
      Tennpipes.mount('api_app', :app_class => 'DemoProject::API', :app_file => api_path).to('/api')
      Tennpipes.mount('main_app', :app_class => 'DemoProject::App').to('/')
      app = Tennpipes.application
      res = Rack::MockRequest.new(app).get("/")
      assert_equal "tennpipes app", res.body
      res = Rack::MockRequest.new(app).get("/api/hey")
      assert_equal "api app", res.body
      assert defined?(DemoProject::APILib)
    end

    it "should not load dependency files if app's root isn't started with Tennpipes.root" do
      path = File.expand_path(File.dirname(__FILE__) + '/fixtures/apps/demo_project/app')
      fake_path = File.expand_path(File.dirname(__FILE__) + "/fixtures/apps/external_apps/fake_root")
      require path
      require fake_path
      Tennpipes.mount("fake_root", :app_class => "FakeRoot").to('/fake_root')
      Tennpipes.mount('main_app', :app_class => 'DemoProject::App').to('/')
      Tennpipes.stub(:root, File.expand_path(File.dirname(__FILE__) + "/fixtures/apps/demo_project")) do
        Tennpipes.application
      end
      assert !defined?(FakeLib)
    end
  end
end