CHEF-2899: Ensure proper roles/node json when activesupport is present

Added activesupport to its own group in bundler so it can be loaded on
machines for chef compatibility testing

chef/Gemfile

@@ -3,6 +3,7 @@ source :rubygems
 gemspec
 
 gem "dep_selector", :group => :development, :platform => "ruby"
+gem "activesupport", :group => :compat_testing, :platform => "ruby"
 
 platforms :mswin, :mingw do
   gem "ffi", "1.0.9"

chef/lib/chef/node.rb

@@ -495,7 +495,8 @@ def to_json(*a)
         "chef_type" => "node",
         "default" => default_attrs,
         "override" => override_attrs,
-        "run_list" => run_list.run_list
+        #Render correctly for run_list items so malformed json does not result
+        "run_list" => run_list.run_list.map { |item| item.to_s }
       }
       result["_rev"] = couchdb_rev if couchdb_rev
       result.to_json(*a)

chef/lib/chef/role.rb

@@ -168,8 +168,14 @@ def to_hash
         "default_attributes" => @default_attributes,
         "override_attributes" => @override_attributes,
         "chef_type" => "role",
-        "run_list" => run_list,
-        "env_run_lists" => env_run_lists_without_default
+
+        #Render to_json correctly for run_list items (both run_list and evn_run_lists)
+        #so malformed json does not result
+        "run_list" => run_list.run_list.map { |item| item.to_s },
+        "env_run_lists" => env_run_lists_without_default.inject({}) do |accumulator, (k, v)|
+          accumulator[k] = v.map { |x| x.to_s }
+          accumulator
+        end
       }
       result["_rev"] = couchdb_rev if couchdb_rev
       result

chef/spec/unit/node_spec.rb

@@ -17,6 +17,7 @@
 #
 
 require File.expand_path(File.join(File.dirname(__FILE__), "..", "spec_helper"))
+require 'ostruct'
 
 describe Chef::Node do
   before(:each) do
@@ -543,7 +544,7 @@
   end
 
   describe "json" do
-    it "should serialize itself as json" do
+    it "should serialize itself as json", :json => true do
       @node.find_file("test.example.com")
       json = Chef::JSONCompat.to_json(@node)
       json.should =~ /json_class/
@@ -555,7 +556,16 @@
       json.should =~ /run_list/
     end
 
-    it "should deserialize itself from json" do
+    it 'should serialze valid json with a run list', :json => true do
+      #This test came about because activesupport mucks with Chef json serialization
+      #Test should pass with and without Activesupport
+      @node.run_list << {"type" => "role", "name" => 'Cthulu'}
+      @node.run_list << {"type" => "role", "name" => 'Hastur'}
+      json = Chef::JSONCompat.to_json(@node)
+      json.should =~ /\"run_list\":\[\"role\[Cthulu\]\",\"role\[Hastur\]\"\]/
+    end
+
+    it "should deserialize itself from json", :json => true do
       @node.find_file("test.example.com")
       json = Chef::JSONCompat.to_json(@node)
       serialized_node = Chef::JSONCompat.from_json(json)

chef/spec/unit/role_spec.rb

@@ -161,7 +161,7 @@
     end
   end
 
-  describe "when serialized as JSON" do
+  describe "when serialized as JSON", :json => true do
     before(:each) do
       @role.name('mars_volta')
       @role.description('Great band!')
@@ -192,6 +192,8 @@
     end
 
     it "should include 'run_list'" do
+      #Activesupport messes with Chef json formatting
+      #This test should pass with and without activesupport
       @serialized_role.should =~ /"run_list":\["recipe\[one\]","recipe\[two\]","role\[a\]"\]/
     end
 
@@ -201,7 +203,9 @@
         @serialized_role = Chef::JSONCompat.from_json(Chef::JSONCompat.to_json(@role), :create_additions => false)
       end
 
-      it "includes the per-environment run lists in the " do
+      it "includes the per-environment run lists" do
+        #Activesupport messes with Chef json formatting
+        #This test should pass with and without activesupport
         @serialized_role["env_run_lists"]["production"].should == ['role[monitoring]', 'role[auditing]', 'role[apache]']
         @serialized_role["env_run_lists"]["dev"].should == ["role[nginx]"]
       end
@@ -213,7 +217,7 @@
     end
   end
 
-  describe "when created from JSON" do
+  describe "when created from JSON", :json => true do
     before(:each) do
       @role.name('mars_volta')
       @role.description('Great band!')

chef/tasks/rspec.rb

@@ -39,6 +39,20 @@
     t.pattern = FileList['spec/functional/**/*_spec.rb']
   end
 
+  desc "Run the rspec tests with activesupport loaded"
+  RSpec::Core::RakeTask.new(:spec_activesupport) do |t|
+    #require activesupport to make sure it is on the system and fail early if not found
+    #this has no affect on rspec, which still has to load it itself
+    begin
+      require 'active_support/core_ext'
+    rescue LoadError
+      raise "ActiveSupport not found on system, it is needed to run these tests"
+    end
+
+    t.rspec_opts = ['--options', "\"#{CHEF_ROOT}/.rspec\"", "--require active_support/core_ext"]
+    t.pattern = FileList['spec/unit/**/*_spec.rb']
+  end
+
   namespace :spec do
     desc "Run all specs in spec directory with RCov"
     RSpec::Core::RakeTask.new(:rcov) do |t|