Test demonstrating issue with update_attributes and associated objects

mj-test01_spec.rb

require "spec_helper"

describe "Association Validation Inheritance" do

  context "#update_attributes" do
    before(:all) do
      parent = ValInheritanceParent.new
      embedded = ValInheritanceEmbed.new(:embed_value => 'start value')
      referenced = ValInheritanceRef.new(:ref_value => 'start value')

      parent.val_inheritance_embed << embedded
      parent.val_inheritance_ref << referenced

      parent.save
      referenced.save # parent.save does not save the referenced object. Shouldn't it?
    end

    it "should allow valid updates to embedded object" do
      obj = ValInheritanceParent.first
      obj.update_attributes({'val_inheritance_embed_attributes' => { 0 => { "id" => obj.val_inheritance_embed[0].id, "embed_value" => 'Valid Value' }}})
      obj.should be_valid
      obj.save!
      obj.reload
      obj.val_inheritance_embed[0].embed_value.should == 'Valid Value'
    end

    it "should not allow invalid updates to embedded object" do
      obj = ValInheritanceParent.first
      obj.update_attributes({'val_inheritance_embed_attributes' => { 0 => { "id" => obj.val_inheritance_embed[0].id, "embed_value" => '$$$' }}})
      obj.should_not be_valid
      expect{obj.save!}.to raise_error(Mongoid::Errors::Validations)
      obj.reload
      obj.val_inheritance_embed[0].embed_value.should_not == '$$$'
    end

    it "should allow valid updates to referenced object" do
      obj = ValInheritanceParent.first
      obj.update_attributes({'val_inheritance_ref_attributes' => { 0 => { "id" => obj.val_inheritance_ref[0].id, "ref_value" => 'Valid Value' }}})
      obj.should be_valid
      obj.save!
      obj.reload
      obj.val_inheritance_ref[0].ref_value.should == 'Valid Value'
    end

    it "should not allow invalid updates to referenced object" do
      obj = ValInheritanceParent.first
      obj.update_attributes({'val_inheritance_ref_attributes' => { 0 => { "id" => obj.val_inheritance_ref[0].id, "ref_value" => '$$$' }}})
      obj.should_not be_valid
      expect{obj.save!}.to raise_error(Mongoid::Errors::Validations)
      obj.val_inheritance_ref[0].ref_value.should_not == '$$$'
    end
  end
end

val_inheritance_embed.rb

class ValInheritanceEmbed
  include Mongoid::Document

  field :embed_value
  validates_format_of :embed_value, :without => /\$\$\$/
end

val_inheritance_parent.rb

class ValInheritanceParent
  include Mongoid::Document

  field :parent_value

  embeds_many :val_inheritance_embed
  references_many :val_inheritance_ref

  accepts_nested_attributes_for :val_inheritance_embed
  accepts_nested_attributes_for :val_inheritance_ref
end

val_inheritance_ref.rb

class ValInheritanceRef
  include Mongoid::Document

  referenced_in :val_inheritance_parent


  field :ref_value
  validates_format_of :ref_value, :without => /\$\$\$/
end