From 2cb60abfecbad78046b0afde156c72a9ae766cf0 Mon Sep 17 00:00:00 2001
From: Fabien Jakimowicz <fabien@jakimowicz.com>
Date: Sun, 24 May 2009 02:32:04 +0200
Subject: Add an model_subclass generator.

This generator creates a new model as a subclass of an existing model and the unit test for that model.  Lets users avoid having to manually delete the fixtures and migration or remember to pass those arguments.

[#2702 state:committed]

Signed-off-by: Michael Koziarski <michael@koziarski.com>
---
 .../generators/components/model_subclass/USAGE     | 13 +++++++++
 .../model_subclass/model_subclass_generator.rb     | 32 ++++++++++++++++++++++
 .../components/model_subclass/templates/model.rb   |  3 ++
 .../model_subclass/templates/unit_test.rb          |  8 ++++++
 4 files changed, 56 insertions(+)
 create mode 100644 railties/lib/rails_generator/generators/components/model_subclass/USAGE
 create mode 100644 railties/lib/rails_generator/generators/components/model_subclass/model_subclass_generator.rb
 create mode 100644 railties/lib/rails_generator/generators/components/model_subclass/templates/model.rb
 create mode 100644 railties/lib/rails_generator/generators/components/model_subclass/templates/unit_test.rb

(limited to 'railties/lib/rails_generator')

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
-- 
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