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-rw-r--r--railties/lib/rails_generator/generators/components/model_subclass/USAGE13
-rw-r--r--railties/lib/rails_generator/generators/components/model_subclass/model_subclass_generator.rb32
-rw-r--r--railties/lib/rails_generator/generators/components/model_subclass/templates/model.rb3
-rw-r--r--railties/lib/rails_generator/generators/components/model_subclass/templates/unit_test.rb8
4 files changed, 56 insertions, 0 deletions
diff --git a/railties/lib/rails_generator/generators/components/model_subclass/USAGE b/railties/lib/rails_generator/generators/components/model_subclass/USAGE
new file mode 100644
index 0000000000..a4b558a401
--- /dev/null
+++ b/railties/lib/rails_generator/generators/components/model_subclass/USAGE
@@ -0,0 +1,13 @@
+Description:
+ Create a model subclass of parent, used for Single Table Inheritance.
+
+ Both subclass and parent name can be either CamelCased or under_scored.
+
+ This generates a model class in app/models and a unit test in test/unit.
+
+Examples:
+ `./script/generate model_subclass admin user`
+
+ creates an Admin model, which will inheritate from User model, test:
+ Model: app/models/admin.rb
+ Test: test/unit/admin_test.rb
diff --git a/railties/lib/rails_generator/generators/components/model_subclass/model_subclass_generator.rb b/railties/lib/rails_generator/generators/components/model_subclass/model_subclass_generator.rb
new file mode 100644
index 0000000000..e8ac3da2cd
--- /dev/null
+++ b/railties/lib/rails_generator/generators/components/model_subclass/model_subclass_generator.rb
@@ -0,0 +1,32 @@
+class ModelSubclassGenerator < Rails::Generator::NamedBase
+ default_options :skip_unit_test => false
+
+ def manifest
+ record do |m|
+ # Check for class naming collisions.
+ m.class_collisions class_name, "#{class_name}Test"
+
+ # Model and test directories.
+ m.directory File.join('app/models', class_path)
+ m.directory File.join('test/unit', class_path)
+
+ # Model class and unit test
+ m.template 'model.rb', File.join('app/models', class_path, "#{file_name}.rb"), :assigns => assigns
+ m.template 'unit_test.rb', File.join('test/unit', class_path, "#{file_name}_test.rb"), :assigns => assigns
+
+ end
+ end
+
+ protected
+ def banner
+ "Usage: #{$0} #{spec.name} Subclass Parent"
+ end
+
+ def assigns
+ {:parent_class_name => parent_class_name}
+ end
+
+ def parent_class_name
+ @args.first.try(:camelize) || usage
+ end
+end
diff --git a/railties/lib/rails_generator/generators/components/model_subclass/templates/model.rb b/railties/lib/rails_generator/generators/components/model_subclass/templates/model.rb
new file mode 100644
index 0000000000..d0037b322b
--- /dev/null
+++ b/railties/lib/rails_generator/generators/components/model_subclass/templates/model.rb
@@ -0,0 +1,3 @@
+class <%= class_name %> < <%= parent_class_name %>
+
+end \ No newline at end of file
diff --git a/railties/lib/rails_generator/generators/components/model_subclass/templates/unit_test.rb b/railties/lib/rails_generator/generators/components/model_subclass/templates/unit_test.rb
new file mode 100644
index 0000000000..3e0bc29d3a
--- /dev/null
+++ b/railties/lib/rails_generator/generators/components/model_subclass/templates/unit_test.rb
@@ -0,0 +1,8 @@
+require 'test_helper'
+
+class <%= class_name %>Test < ActiveSupport::TestCase
+ # Replace this with your real tests.
+ test "the truth" do
+ assert true
+ end
+end