Tests for scaffold generator.

railties/lib/generators/erb/scaffold/scaffold_generator.rb

@@ -10,6 +10,10 @@ class ScaffoldGenerator < Base
       class_option :singleton, :type => :boolean, :desc => "Supply to skip index action"
       class_option :layout, :type => :boolean
 
+      def create_root_folder
+        empty_directory File.join("app/views", controller_file_path)
+      end
+
       def copy_index_file
         return if options[:singleton]
         copy_view :index

railties/lib/generators/rails/plugin/plugin_generator.rb

@@ -11,7 +11,7 @@ class PluginGenerator < NamedBase
 
       def create_root
         self.root = File.expand_path("vendor/plugins/#{file_name}", root)
-        empty_directory '.'
+        empty_directory '.' if behavior == :invoke
         FileUtils.cd(root)
       end
 
@@ -36,6 +36,16 @@ def create_generator_files
         return unless options[:with_generator]
         directory 'generators'
       end
+
+      # Work around for generator to work on revoke. If we remove the root
+      # folder at the beginning, it will raise an error since FileUtils.cd
+      # will move to a non-existent folder.
+      #
+      def remove_on_revoke
+        return unless behavior == :revoke
+        FileUtils.cd("../../..")
+        empty_directory "vendor/plugins/#{file_name}"
+      end
     end
   end
 end

railties/lib/generators/rails/stylesheets/stylesheets_generator.rb

@@ -2,7 +2,7 @@ module Rails
   module Generators
     class StylesheetsGenerator < Base
       def copy_stylesheets_file
-        copy_file "scaffold.css", "public/stylesheets/scaffold.css"
+        template "scaffold.css", "public/stylesheets/scaffold.css" if behavior == :invoke
       end
     end
   end

railties/test/generators/plugin_generator_test.rb

@@ -44,10 +44,15 @@ def test_creates_generator_if_required
     assert_file "vendor/plugins/plugin_fu/generators/plugin_fu/plugin_fu_generator.rb", flag
   end
 
+  def test_plugin_generator_on_revoke
+    run_generator
+    run_generator ["plugin_fu"], :behavior => :revoke
+  end
+
   protected
 
-    def run_generator(args=["plugin_fu"])
-      silence(:stdout) { Rails::Generators::PluginGenerator.start args, :root => destination_root }
+    def run_generator(args=["plugin_fu"], config={})
+      silence(:stdout) { Rails::Generators::PluginGenerator.start args, config.merge(:root => destination_root) }
     end
 
 end

railties/test/generators/scaffold_generator_test.rb

+require 'abstract_unit'
+require 'generators/generators_test_helper'
+require 'generators/active_record'
+require 'generators/rails/scaffold/scaffold_generator'
+require 'generators/rails/stylesheets/stylesheets_generator'
+
+# Model
+require 'generators/active_record/model/model_generator'
+require 'generators/rails/model/model_generator'
+require 'generators/test_unit/model/model_generator'
+
+# Controller
+require 'generators/erb/scaffold/scaffold_generator'
+require 'generators/rails/scaffold_controller/scaffold_controller_generator'
+require 'generators/rails/helper/helper_generator'
+require 'generators/test_unit/scaffold/scaffold_generator'
+require 'generators/test_unit/helper/helper_generator'
+
+class ScaffoldGeneratorTest < GeneratorsTestCase
+
+  def setup
+    super
+    routes = Rails::Generators::ResourceGenerator.source_root
+    routes = File.join(routes, "..", "..", "app", "templates", "config", "routes.rb")
+    destination = File.join(destination_root, "config")
+
+    FileUtils.mkdir_p(destination)
+    FileUtils.cp File.expand_path(routes), destination
+  end
+
+  def test_scaffold_on_invoke
+    run_generator
+
+    # Model
+    assert_file "app/models/product_line.rb", /class ProductLine < ActiveRecord::Base/
+    assert_file "test/unit/product_line_test.rb", /class ProductLineTest < ActiveSupport::TestCase/
+    assert_file "test/fixtures/product_lines.yml"
+    assert_migration "db/migrate/create_product_lines.rb"
+
+    # Route
+    assert_file "config/routes.rb" do |route|
+      assert_match /map\.resources :product_lines$/, route
+    end
+
+    # Controller
+    assert_file "app/controllers/product_lines_controller.rb" do |content|
+      assert_match /class ProductLinesController < ApplicationController/, content
+
+      assert_instance_method content, :index do |m|
+        assert_match /@product_lines = ProductLine\.all/, m
+      end
+
+      assert_instance_method content, :show do |m|
+        assert_match /@product_line = ProductLine\.find\(params\[:id\]\)/, m
+      end
+
+      assert_instance_method content, :new do |m|
+        assert_match /@product_line = ProductLine\.new/, m
+      end
+
+      assert_instance_method content, :edit do |m|
+        assert_match /@product_line = ProductLine\.find\(params\[:id\]\)/, m
+      end
+
+      assert_instance_method content, :create do |m|
+        assert_match /@product_line = ProductLine\.new\(params\[:product_line\]\)/, m
+        assert_match /@product_line\.save/, m
+        assert_match /@product_line\.errors/, m
+      end
+
+      assert_instance_method content, :update do |m|
+        assert_match /@product_line = ProductLine\.find\(params\[:id\]\)/, m
+        assert_match /@product_line\.update_attributes\(params\[:product_line\]\)/, m
+        assert_match /@product_line\.errors/, m
+      end
+
+      assert_instance_method content, :destroy do |m|
+        assert_match /@product_line = ProductLine\.find\(params\[:id\]\)/, m
+        assert_match /@product_line\.destroy/, m
+      end
+    end
+
+    assert_file "test/functional/product_lines_controller_test.rb",
+                /class ProductLinesControllerTest < ActionController::TestCase/
+
+    # Views
+    %w(
+      index
+      edit
+      new
+      show
+    ).each { |view| assert_file "app/views/product_lines/#{view}.html.erb" }
+    assert_file "app/views/layouts/product_lines.html.erb"
+
+    # Helpers
+    assert_file "app/helpers/product_lines_helper.rb"
+    assert_file "test/unit/helpers/product_lines_helper_test.rb"
+
+    # Stylesheets
+    assert_file "public/stylesheets/scaffold.css"
+  end
+
+  def test_scaffold_on_revoke
+    run_generator
+    run_generator :behavior => :revoke
+
+    # Model
+    assert_no_file "app/models/product_line.rb"
+    assert_no_file "test/unit/product_line_test.rb"
+    assert_no_file "test/fixtures/product_lines.yml"
+    assert_no_migration "db/migrate/create_product_lines.rb"
+
+    # Route
+    assert_file "config/routes.rb" do |route|
+      assert_no_match /map\.resources :product_lines$/, route
+    end
+
+    # Controller
+    assert_no_file "app/controllers/product_lines_controller.rb"
+    assert_no_file "test/functional/product_lines_controller_test.rb"
+
+    # Views
+    assert_no_file "app/views/product_lines"
+    assert_no_file "app/views/layouts/product_lines.html.erb"
+
+    # Helpers
+    assert_no_file "app/helpers/product_lines_helper.rb"
+    assert_no_file "test/unit/helpers/product_lines_helper_test.rb"
+
+    # Stylesheets (should not be removed)
+    assert_file "public/stylesheets/scaffold.css"
+  end
+
+  protected
+
+    def run_generator(config={})
+      silence(:stdout) do
+        Rails::Generators::ScaffoldGenerator.start ["product_line", "title:string", "price:integer"],
+                                                   config.merge(:root => destination_root)
+      end
+    end
+
+end

railties/test/generators/stylesheets_generator_test.rb

@@ -9,10 +9,16 @@ def test_copy_stylesheets
     assert_file "public/stylesheets/scaffold.css"
   end
 
+  def test_stylesheets_are_not_deleted_on_revoke
+    run_generator
+    run_generator :behavior => :revoke
+    assert_file "public/stylesheets/scaffold.css"
+  end
+
   protected
 
-    def run_generator(args=[])
-      silence(:stdout) { Rails::Generators::StylesheetsGenerator.start args, :root => destination_root }
+    def run_generator(config={})
+      silence(:stdout) { Rails::Generators::StylesheetsGenerator.start [], config.merge(:root => destination_root) }
     end
 
 end