- without the id test is passing even if I change :allow_destroy from 'false' - adding more tests to strengthen the test suite

Signed-off-by: José Valim <jose.valim@gmail.com>

activerecord/test/cases/nested_attributes_test.rb

@@ -59,6 +59,7 @@ class TestNestedAttributesInGeneral < ActiveRecord::TestCase
     pirate.save!
 
     assert_equal 1, pirate.birds_with_reject_all_blank.count
+    assert_equal 'Tweetie', pirate.birds_with_reject_all_blank.first.name
   end
 
   def test_should_raise_an_ArgumentError_for_non_existing_associations
@@ -74,7 +75,7 @@ class TestNestedAttributesInGeneral < ActiveRecord::TestCase
     ship = pirate.create_ship(:name => 'Nights Dirty Lightning')
 
     assert_no_difference('Ship.count') do
-      pirate.update_attributes(:ship_attributes => { '_destroy' => true })
+      pirate.update_attributes(:ship_attributes => { '_destroy' => true, :id => ship.id })
     end
   end
 
@@ -100,7 +101,8 @@ class TestNestedAttributesInGeneral < ActiveRecord::TestCase
     pirate.ship_attributes = { :name => 'Red Pearl', :_reject_me_if_new => true }
     assert_no_difference('Ship.count') { pirate.save! }
 
-    # pirate.reject_empty_ships_on_create returns false for saved records
+    # pirate.reject_empty_ships_on_create returns false for saved pirate records
+    # in the previous step note that pirate gets saved but ship fails
     pirate.ship_attributes = { :name => 'Red Pearl', :_reject_me_if_new => true }
     assert_difference('Ship.count') { pirate.save! }
   end
@@ -266,6 +268,28 @@ class TestNestedAttributesOnAHasOneAssociation < ActiveRecord::TestCase
     end
     assert_equal 'Mayflower', @ship.reload.name
   end
+
+  def test_should_update_existing_when_update_only_is_true_and_id_is_given
+    @ship.delete
+    @ship = @pirate.create_update_only_ship(:name => 'Nights Dirty Lightning')
+
+    assert_no_difference('Ship.count') do
+      @pirate.update_attributes(:update_only_ship_attributes => { :name => 'Mayflower', :id => @ship.id })
+    end
+    assert_equal 'Mayflower', @ship.reload.name
+  end
+
+  def test_should_destroy_existing_when_update_only_is_true_and_id_is_given_and_is_marked_for_destruction
+    Pirate.accepts_nested_attributes_for :update_only_ship, :update_only => true, :allow_destroy => true
+    @ship.delete
+    @ship = @pirate.create_update_only_ship(:name => 'Nights Dirty Lightning')
+
+    assert_difference('Ship.count', -1) do
+      @pirate.update_attributes(:update_only_ship_attributes => { :name => 'Mayflower', :id => @ship.id, :_destroy => true })
+    end
+    Pirate.accepts_nested_attributes_for :update_only_ship, :update_only => true, :allow_destroy => false
+  end
+
 end
 
 class TestNestedAttributesOnABelongsToAssociation < ActiveRecord::TestCase
@@ -411,6 +435,27 @@ class TestNestedAttributesOnABelongsToAssociation < ActiveRecord::TestCase
     end
     assert_equal 'Arr', @pirate.reload.catchphrase
   end
+
+  def test_should_update_existing_when_update_only_is_true_and_id_is_given
+    @pirate.delete
+    @pirate = @ship.create_update_only_pirate(:catchphrase => 'Aye')
+
+    assert_no_difference('Pirate.count') do
+      @ship.update_attributes(:update_only_pirate_attributes => { :catchphrase => 'Arr', :id => @pirate.id })
+    end
+    assert_equal 'Arr', @pirate.reload.catchphrase
+  end
+
+  def test_should_destroy_existing_when_update_only_is_true_and_id_is_given_and_is_marked_for_destruction
+    Ship.accepts_nested_attributes_for :update_only_pirate, :update_only => true, :allow_destroy => true
+    @pirate.delete
+    @pirate = @ship.create_update_only_pirate(:catchphrase => 'Aye')
+
+    assert_difference('Pirate.count', -1) do
+      @ship.update_attributes(:update_only_pirate_attributes => { :catchphrase => 'Arr', :id => @pirate.id, :_destroy => true })
+    end
+    Ship.accepts_nested_attributes_for :update_only_pirate, :update_only => true, :allow_destroy => false
+  end
 end
 
 module NestedAttributesOnACollectionAssociationTests