From d771e7d17f4a2c175676f7c8354aa5b161b63c2e Mon Sep 17 00:00:00 2001
From: Mike Gunderloy <MikeG1@larkfarm.com>
Date: Wed, 11 Mar 2009 08:08:09 -0500
Subject: Handle irregular plurals in polymorphic_urls [#2212 state:resolved]

Signed-off-by: Pratik Naik <pratiknaik@gmail.com>
---
 .../lib/action_controller/polymorphic_routes.rb    |  7 +-
 .../test/controller/polymorphic_routes_test.rb     | 85 ++++++++++++++++++++++
 2 files changed, 90 insertions(+), 2 deletions(-)

diff --git a/actionpack/lib/action_controller/polymorphic_routes.rb b/actionpack/lib/action_controller/polymorphic_routes.rb
index 924d1aa6bd..d9b614c237 100644
--- a/actionpack/lib/action_controller/polymorphic_routes.rb
+++ b/actionpack/lib/action_controller/polymorphic_routes.rb
@@ -163,7 +163,8 @@ module ActionController
             if parent.is_a?(Symbol) || parent.is_a?(String)
               string << "#{parent}_"
             else
-              string << "#{RecordIdentifier.__send__("singular_class_name", parent)}_"
+              string << "#{RecordIdentifier.__send__("plural_class_name", parent)}".singularize
+              string << "_"
             end
           end
         end
@@ -171,7 +172,9 @@ module ActionController
         if record.is_a?(Symbol) || record.is_a?(String)
           route << "#{record}_"
         else
-          route << "#{RecordIdentifier.__send__("#{inflection}_class_name", record)}_"
+          route << "#{RecordIdentifier.__send__("plural_class_name", record)}"
+          route = route.singularize if inflection == :singular
+          route << "_"
         end
 
         action_prefix(options) + namespace + route + routing_type(options).to_s
diff --git a/actionpack/test/controller/polymorphic_routes_test.rb b/actionpack/test/controller/polymorphic_routes_test.rb
index 53295522ae..146d703619 100644
--- a/actionpack/test/controller/polymorphic_routes_test.rb
+++ b/actionpack/test/controller/polymorphic_routes_test.rb
@@ -18,6 +18,20 @@ class Tag < Article
   def response_id; 1 end
 end
 
+class Tax
+  attr_reader :id
+  def save; @id = 1 end
+  def new_record?; @id.nil? end
+  def name
+    model = self.class.name.downcase
+    @id.nil? ? "new #{model}" : "#{model} ##{@id}"
+  end
+end
+
+class Fax < Tax
+  def store_id; 1 end
+end
+
 # TODO: test nested models
 class Response::Nested < Response; end
 
@@ -27,6 +41,8 @@ class PolymorphicRoutesTest < ActiveSupport::TestCase
   def setup
     @article = Article.new
     @response = Response.new
+    @tax = Tax.new
+    @fax = Fax.new
   end
 
   def test_with_record
@@ -205,4 +221,73 @@ class PolymorphicRoutesTest < ActiveSupport::TestCase
       polymorphic_url(path)
     end
   end
+
+  # Tests for names where .plural.singular doesn't round-trip
+  def test_with_irregular_plural_record
+    @tax.save
+    expects(:taxis_url).with(@tax)
+    polymorphic_url(@tax)
+  end
+
+  def test_with_irregular_plural_new_record
+    expects(:taxes_url).with()
+    @tax.expects(:new_record?).returns(true)
+    polymorphic_url(@tax)
+  end
+
+  def test_with_irregular_plural_record_and_action
+    expects(:new_taxis_url).with()
+    @tax.expects(:new_record?).never
+    polymorphic_url(@tax, :action => 'new')
+  end
+
+  def test_irregular_plural_url_helper_prefixed_with_new
+    expects(:new_taxis_url).with()
+    new_polymorphic_url(@tax)
+  end
+
+  def test_irregular_plural_url_helper_prefixed_with_edit
+    @tax.save
+    expects(:edit_taxis_url).with(@tax)
+    edit_polymorphic_url(@tax)
+  end
+
+  def test_with_nested_irregular_plurals
+    @fax.save
+    expects(:taxis_faxis_url).with(@tax, @fax)
+    polymorphic_url([@tax, @fax])
+  end
+
+  def test_with_nested_unsaved_irregular_plurals
+    expects(:taxis_faxes_url).with(@tax)
+    polymorphic_url([@tax, @fax])
+  end
+
+  def test_new_with_irregular_plural_array_and_namespace
+    expects(:new_admin_taxis_url).with()
+    polymorphic_url([:admin, @tax], :action => 'new')
+  end
+
+  def test_unsaved_with_irregular_plural_array_and_namespace
+    expects(:admin_taxes_url).with()
+    polymorphic_url([:admin, @tax])
+  end
+
+  def test_nesting_with_irregular_plurals_and_array_ending_in_singleton_resource
+    expects(:taxis_faxis_url).with(@tax)
+    polymorphic_url([@tax, :faxis])
+  end
+
+  def test_with_array_containing_single_irregular_plural_object
+    @tax.save
+    expects(:taxis_url).with(@tax)
+    polymorphic_url([nil, @tax])
+  end
+
+  def test_with_array_containing_single_name_irregular_plural
+    @tax.save
+    expects(:taxes_url)
+    polymorphic_url([:taxes])
+  end
+
 end
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