3 files changed, 47 insertions, 4 deletions
diff --git a/railties/test/generators/actions_test.rb b/railties/test/generators/actions_test.rb
index fabba555ef..b4fbea4af4 100644
--- a/railties/test/generators/actions_test.rb
+++ b/railties/test/generators/actions_test.rb
@@ -235,6 +235,21 @@ class ActionsTest < Rails::Generators::TestCase
     assert_file 'config/routes.rb', /#{Regexp.escape(route_command)}/
   end
 
+  def test_route_should_be_idempotent
+    run_generator
+    route_path = File.expand_path('config/routes.rb', destination_root)
+
+    # runs first time, not asserting
+    action :route, "root 'welcome#index'"
+    content_1 = File.read(route_path)
+
+    # runs second time
+    action :route, "root 'welcome#index'"
+    content_2 = File.read(route_path)
+
+    assert_equal content_1, content_2
+  end
+
   def test_route_should_add_data_with_an_new_line
     run_generator
     action :route, "root 'welcome#index'"
diff --git a/railties/test/generators/app_generator_test.rb b/railties/test/generators/app_generator_test.rb
index e5f10a89d3..446fef562b 100644
--- a/railties/test/generators/app_generator_test.rb
+++ b/railties/test/generators/app_generator_test.rb
@@ -264,7 +264,7 @@ class AppGeneratorTest < Rails::Generators::TestCase
     if defined?(JRUBY_VERSION)
       assert_gem "activerecord-jdbcmysql-adapter"
     else
-      assert_gem "mysql2"
+      assert_gem "mysql2", "'>= 0.3.18', '< 0.5'"
     end
   end
 
@@ -279,7 +279,7 @@ class AppGeneratorTest < Rails::Generators::TestCase
     if defined?(JRUBY_VERSION)
       assert_gem "activerecord-jdbcpostgresql-adapter"
     else
-      assert_gem "pg"
+      assert_gem "pg", "'~> 0.18'"
     end
   end
 
@@ -686,7 +686,11 @@ class AppGeneratorTest < Rails::Generators::TestCase
     capture(:stdout) { generator.send(*args, &block) }
   end
 
-  def assert_gem(gem)
-    assert_file "Gemfile", /^\s*gem\s+["']#{gem}["']$*/
+  def assert_gem(gem, constraint = nil)
+    if constraint
+      assert_file "Gemfile", /^\s*gem\s+["']#{gem}["'], #{constraint}$*/
+    else
+      assert_file "Gemfile", /^\s*gem\s+["']#{gem}["']$*/
+    end
   end
 end
diff --git a/railties/test/generators/namespaced_generators_test.rb b/railties/test/generators/namespaced_generators_test.rb
index c4ee6602c5..590f06e19a 100644
--- a/railties/test/generators/namespaced_generators_test.rb
+++ b/railties/test/generators/namespaced_generators_test.rb
@@ -396,4 +396,28 @@ class NamespacedScaffoldGeneratorTest < NamespacedGeneratorTestCase
     # Stylesheets (should not be removed)
     assert_file "app/assets/stylesheets/scaffold.css"
   end
+
+  def test_api_scaffold_with_namespace_on_invoke
+    run_generator [ "admin/role", "name:string", "description:string", "--api" ]
+
+    # Model
+    assert_file "app/models/test_app/admin.rb", /module TestApp\n  module Admin/
+    assert_file "app/models/test_app/admin/role.rb", /module TestApp\n  class Admin::Role < ActiveRecord::Base/
+    assert_file "test/models/test_app/admin/role_test.rb", /module TestApp\n  class Admin::RoleTest < ActiveSupport::TestCase/
+    assert_file "test/fixtures/test_app/admin/roles.yml"
+    assert_migration "db/migrate/create_test_app_admin_roles.rb"
+
+    # Route
+    assert_file "config/routes.rb" do |route|
+      assert_match(/^  namespace :admin do\n    resources :roles\n  end$/, route)
+    end
+
+    # Controller
+    assert_file "app/controllers/test_app/admin/roles_controller.rb" do |content|
+      assert_match(/module TestApp\n  class Admin::RolesController < ApplicationController/, content)
+      assert_match(%r(require_dependency "test_app/application_controller"), content)
+    end
+    assert_file "test/controllers/test_app/admin/roles_controller_test.rb",
+                /module TestApp\n  class Admin::RolesControllerTest < ActionController::TestCase/
+  end
 end