More robust console test

railties/test/application/console_test.rb

+require 'isolation/abstract_unit'
+
+class ConsoleTest < Test::Unit::TestCase
+  include ActiveSupport::Testing::Isolation
+
+  def setup
+    build_app
+    boot_rails
+
+    # Load steps taken from rails/commands/console.rb
+    require "#{rails_root}/config/environment"
+    require 'rails/console_app'
+    require 'rails/console_with_helpers'
+  end
+
+  def test_app_method_should_return_integration_session
+    console_session = app
+    assert_not_nil console_session
+    assert_instance_of ActionController::Integration::Session, console_session
+  end
+
+  def test_new_session_should_return_integration_session
+    session = new_session
+    assert_not_nil session
+    assert_instance_of ActionController::Integration::Session, session
+  end
+
+  def test_reload_should_fire_preparation_callbacks
+    a = b = c = nil
+
+    # TODO: These should be defined on the initializer
+    ActionDispatch::Callbacks.to_prepare { a = b = c = 1 }
+    ActionDispatch::Callbacks.to_prepare { b = c = 2 }
+    ActionDispatch::Callbacks.to_prepare { c = 3 }
+
+    # Hide Reloading... output
+    silence_stream(STDOUT) do
+      reload!
+    end
+
+    assert_equal 1, a
+    assert_equal 2, b
+    assert_equal 3, c
+  end
+
+  def test_access_to_helpers
+    assert_not_nil helper
+    assert_instance_of ActionView::Base, helper
+    assert_equal 'Once upon a time in a world...',
+      helper.truncate('Once upon a time in a world far far away')
+  end
+end

railties/test/console_app_test.rb

-require 'abstract_unit'
-
-require 'action_controller' # console_app uses 'action_controller/integration'
-
-require 'rails/dispatcher'
-require 'rails/console_app'
-
-module Rails
-  def self.application
-    ActionController::Routing::Routes
-  end
-end
-
-# console_app sets Test::Unit.run to work around the at_exit hook in test/unit, which kills IRB
-if Test::Unit.respond_to?(:run=)
-  Test::Unit.run = false
-
-  class ConsoleAppTest < Test::Unit::TestCase
-    def test_app_method_should_return_integration_session
-      assert_nothing_thrown do
-        console_session = app
-        assert_not_nil console_session
-        assert_instance_of ActionController::Integration::Session,
-          console_session
-      end
-    end
-
-    def test_reload_should_fire_preparation_callbacks
-      a = b = c = nil
-
-      ActionDispatch::Callbacks.to_prepare { a = b = c = 1 }
-      ActionDispatch::Callbacks.to_prepare { b = c = 2 }
-      ActionDispatch::Callbacks.to_prepare { c = 3 }
-      ActionController::Routing::Routes.expects(:reload)
-
-      reload!
-
-      assert_equal 1, a
-      assert_equal 2, b
-      assert_equal 3, c
-    end
-  end
-end

railties/test/isolation/abstract_unit.rb

@@ -30,6 +30,10 @@ def tmp_path(*args)
     def app_path(*args)
       tmp_path(*%w[app] + args)
     end
+
+    def rails_root
+      app_path
+    end
   end
 
   module Rack