Kill JSON auto inflate with firetm/remove_json_autoinflate

Signed-off-by: Thom May <thom@chef.io>

22 files changed, 67 insertions, 200 deletions

diff --git a/lib/chef/api_client.rb b/lib/chef/api_client.rb
index 6999a4f52d..087de3fdf9 100644
--- a/lib/chef/api_client.rb
+++ b/lib/chef/api_client.rb
@@ -140,11 +140,6 @@ class Chef
       client
     end
 
-    def self.json_create(data)
-      Chef.deprecated(:json_auto_inflate, "Auto inflation of JSON data is deprecated. Please use Chef::ApiClient#from_hash")
-      from_hash(data)
-    end
-
     def self.from_json(j)
       from_hash(Chef::JSONCompat.parse(j))
     end
diff --git a/lib/chef/cookbook_version.rb b/lib/chef/cookbook_version.rb
index 2037b5f972..7353941bb1 100644
--- a/lib/chef/cookbook_version.rb
+++ b/lib/chef/cookbook_version.rb
@@ -484,11 +484,6 @@ class Chef
       cookbook_version
     end
 
-    def self.json_create(o)
-      Chef.deprecated(:json_auto_inflate, "Auto inflation of JSON data is deprecated. Please use Chef::CookbookVersion#from_hash")
-      from_hash(o)
-    end
-
     def self.from_cb_artifact_data(o)
       from_hash(o)
     end
diff --git a/lib/chef/data_bag.rb b/lib/chef/data_bag.rb
index 4bb656a2c8..15531d7304 100644
--- a/lib/chef/data_bag.rb
+++ b/lib/chef/data_bag.rb
@@ -78,12 +78,6 @@ class Chef
       Chef::ServerAPI.new(Chef::Config[:chef_server_url])
     end
 
-    # Create a Chef::Role from JSON
-    def self.json_create(o)
-      Chef.deprecated(:json_auto_inflate, "Auto inflation of JSON data is deprecated. Please use Chef::DataBag#from_hash")
-      from_hash(o)
-    end
-
     def self.from_hash(o)
       bag = new
       bag.name(o["name"])
diff --git a/lib/chef/data_bag_item.rb b/lib/chef/data_bag_item.rb
index 2bd27e3eef..ddb520dc0b 100644
--- a/lib/chef/data_bag_item.rb
+++ b/lib/chef/data_bag_item.rb
@@ -139,12 +139,6 @@ class Chef
       item
     end
 
-    # Create a Chef::DataBagItem from JSON
-    def self.json_create(o)
-      Chef.deprecated(:json_auto_inflate, "Auto inflation of JSON data is deprecated. Please use Chef::DataBagItem#from_hash")
-      from_hash(o)
-    end
-
     # Load a Data Bag Item by name via either the RESTful API or local data_bag_path if run in solo mode
     def self.load(data_bag, name)
       if Chef::Config[:solo_legacy_mode]
diff --git a/lib/chef/environment.rb b/lib/chef/environment.rb
index 545a2e51eb..621a122440 100644
--- a/lib/chef/environment.rb
+++ b/lib/chef/environment.rb
@@ -216,11 +216,6 @@ class Chef
       end
     end
 
-    def self.json_create(o)
-      Chef.deprecated(:json_auto_inflate, "Auto inflation of JSON data is deprecated. Please use Chef::Environment#from_hash")
-      from_hash(o)
-    end
-
     def self.from_hash(o)
       environment = new
       environment.name(o["name"])
diff --git a/lib/chef/json_compat.rb b/lib/chef/json_compat.rb
index c8f5496345..b819d5e57d 100644
--- a/lib/chef/json_compat.rb
+++ b/lib/chef/json_compat.rb
@@ -26,23 +26,6 @@ class Chef
   class JSONCompat
     JSON_MAX_NESTING = 1000
 
-    JSON_CLASS = "json_class".freeze
-
-    CHEF_APICLIENT          = "Chef::ApiClient".freeze
-    CHEF_CHECKSUM           = "Chef::Checksum".freeze
-    CHEF_COOKBOOKVERSION    = "Chef::CookbookVersion".freeze
-    CHEF_DATABAG            = "Chef::DataBag".freeze
-    CHEF_DATABAGITEM        = "Chef::DataBagItem".freeze
-    CHEF_ENVIRONMENT        = "Chef::Environment".freeze
-    CHEF_NODE               = "Chef::Node".freeze
-    CHEF_ROLE               = "Chef::Role".freeze
-    CHEF_SANDBOX            = "Chef::Sandbox".freeze
-    CHEF_RESOURCE           = "Chef::Resource".freeze
-    CHEF_RESOURCECOLLECTION = "Chef::ResourceCollection".freeze
-    CHEF_RESOURCESET        = "Chef::ResourceCollection::ResourceSet".freeze
-    CHEF_RESOURCELIST       = "Chef::ResourceCollection::ResourceList".freeze
-    CHEF_RUNLISTEXPANSION   = "Chef::RunListExpansion".freeze
-
     class <<self
 
       # API to use to avoid create_addtions
@@ -63,40 +46,7 @@ class Chef
           raise Chef::Exceptions::JSON::ParseError, "Top level JSON object must be a Hash or Array. (actual: #{obj.class})"
         end
 
-        # The old default in the json gem (which we are mimicing because we
-        # sadly rely on this misfeature) is to "create additions" i.e., convert
-        # JSON objects into ruby objects. Explicit :create_additions => false
-        # is required to turn it off.
-        if opts[:create_additions].nil? || opts[:create_additions]
-          map_to_rb_obj(obj)
-        else
-          obj
-        end
-      end
-
-      # Look at an object that's a basic type (from json parse) and convert it
-      # to an instance of Chef classes if desired.
-      def map_to_rb_obj(json_obj)
-        case json_obj
-        when Hash
-          mapped_hash = map_hash_to_rb_obj(json_obj)
-          if json_obj.has_key?(JSON_CLASS) && (class_to_inflate = class_for_json_class(json_obj[JSON_CLASS]))
-            class_to_inflate.json_create(mapped_hash)
-          else
-            mapped_hash
-          end
-        when Array
-          json_obj.map { |e| map_to_rb_obj(e) }
-        else
-          json_obj
-        end
-      end
-
-      def map_hash_to_rb_obj(json_hash)
-        json_hash.each do |key, value|
-          json_hash[key] = map_to_rb_obj(value)
-        end
-        json_hash
+        obj
       end
 
       def to_json(obj, opts = nil)
@@ -113,48 +63,6 @@ class Chef
         to_json(obj, options_map).chomp
       end
 
-      # Map +json_class+ to a Class object. We use a +case+ instead of a Hash
-      # assigned to a constant because otherwise this file could not be loaded
-      # until all the constants were defined, which means you'd have to load
-      # the world to get json, which would make knife very slow.
-      def class_for_json_class(json_class)
-        case json_class
-        when CHEF_APICLIENT
-          Chef::ApiClient
-        when CHEF_CHECKSUM
-          Chef::Checksum
-        when CHEF_COOKBOOKVERSION
-          Chef::CookbookVersion
-        when CHEF_DATABAG
-          Chef::DataBag
-        when CHEF_DATABAGITEM
-          Chef::DataBagItem
-        when CHEF_ENVIRONMENT
-          Chef::Environment
-        when CHEF_NODE
-          Chef::Node
-        when CHEF_ROLE
-          Chef::Role
-        when CHEF_SANDBOX
-          # a falsey return here will disable object inflation/"create
-          # additions" in the caller. In Chef 11 this is correct, we just have
-          # a dummy Chef::Sandbox class for compat with Chef 10 servers.
-          false
-        when CHEF_RESOURCE
-          Chef::Resource
-        when CHEF_RESOURCECOLLECTION
-          Chef::ResourceCollection
-        when CHEF_RESOURCESET
-          Chef::ResourceCollection::ResourceSet
-        when CHEF_RESOURCELIST
-          Chef::ResourceCollection::ResourceList
-        when /^Chef::Resource/
-          Chef::Resource.find_descendants_by_name(json_class)
-        else
-          raise Chef::Exceptions::JSON::ParseError, "Unsupported `json_class` type '#{json_class}'"
-        end
-      end
-
     end
   end
 end
diff --git a/lib/chef/key.rb b/lib/chef/key.rb
index c68fe1039c..bf8e533d62 100644
--- a/lib/chef/key.rb
+++ b/lib/chef/key.rb
@@ -222,11 +222,6 @@ class Chef
         Chef::Key.from_hash(Chef::JSONCompat.from_json(json))
       end
 
-      def json_create(json)
-        Chef.deprecated(:json_auto_inflate, "Auto inflation of JSON data is deprecated. Please use Chef::Key#from_json or one of the load_by methods.")
-        Chef::Key.from_json(json)
-      end
-
       def list_by_user(actor, inflate = false)
         keys = Chef::ServerAPI.new(Chef::Config[:chef_server_root]).get("users/#{actor}/keys")
         list(keys, actor, :load_by_user, inflate)
diff --git a/lib/chef/knife/core/ui.rb b/lib/chef/knife/core/ui.rb
index 1fc6d3d0e2..d809a8fc45 100644
--- a/lib/chef/knife/core/ui.rb
+++ b/lib/chef/knife/core/ui.rb
@@ -180,8 +180,7 @@ class Chef
 
         if parse_output
           if object_class.nil?
-            Chef.deprecated(:json_auto_inflate, "Auto inflation of JSON data is deprecated. Please pass in the class to inflate or use #edit_hash")
-            Chef::JSONCompat.from_json(output)
+            raise ArgumentError, "Please pass in the object class to hydrate or use #edit_hash"
           else
             object_class.from_hash(Chef::JSONCompat.parse(output))
           end
diff --git a/lib/chef/node.rb b/lib/chef/node.rb
index 1c2fbfee0f..92bdb5887b 100644
--- a/lib/chef/node.rb
+++ b/lib/chef/node.rb
@@ -508,12 +508,6 @@ class Chef
       self
     end
 
-    # Create a Chef::Node from JSON
-    def self.json_create(o)
-      Chef.deprecated(:json_auto_inflate, "Auto inflation of JSON data is deprecated. Please use Chef::Node#from_hash")
-      from_hash(o)
-    end
-
     def self.from_hash(o)
       return o if o.kind_of? Chef::Node
       node = new
diff --git a/lib/chef/org.rb b/lib/chef/org.rb
index bed5600920..73a129c7c1 100644
--- a/lib/chef/org.rb
+++ b/lib/chef/org.rb
@@ -122,11 +122,6 @@ class Chef
       Chef::Org.from_hash(Chef::JSONCompat.from_json(json))
     end
 
-    def self.json_create(json)
-      Chef.deprecated(:json_auto_inflate, "Auto inflation of JSON data is deprecated. Please use Chef::Org#from_json or Chef::Org#load.")
-      Chef::Org.from_json(json)
-    end
-
     def self.load(org_name)
       response = Chef::ServerAPI.new(Chef::Config[:chef_server_root]).get("organizations/#{org_name}")
       Chef::Org.from_hash(response)
diff --git a/lib/chef/resource.rb b/lib/chef/resource.rb
index 23de50324c..f8cea08076 100644
--- a/lib/chef/resource.rb
+++ b/lib/chef/resource.rb
@@ -23,6 +23,7 @@ require "chef/dsl/data_query"
 require "chef/dsl/registry_helper"
 require "chef/dsl/reboot_pending"
 require "chef/dsl/resources"
+require "chef/json_compat"
 require "chef/mixin/convert_to_class_name"
 require "chef/guard_interpreter/resource_guard_interpreter"
 require "chef/resource/conditional"
@@ -715,7 +716,7 @@ class Chef
       result
     end
 
-    def self.json_create(o)
+    def self.from_hash(o)
       resource = new(o["instance_vars"]["@name"])
       o["instance_vars"].each do |k, v|
         resource.instance_variable_set("@#{k}".to_sym, v)
@@ -723,6 +724,14 @@ class Chef
       resource
     end
 
+    def self.json_create(o)
+      from_hash(o)
+    end
+
+    def self.from_json(j)
+      from_hash(Chef::JSONCompat.parse(j))
+    end
+
     #
     # Resource Definition Interface (for resource developers)
     #
diff --git a/lib/chef/resource_collection.rb b/lib/chef/resource_collection.rb
index 8eaa2961c4..e450f4f19e 100644
--- a/lib/chef/resource_collection.rb
+++ b/lib/chef/resource_collection.rb
@@ -117,6 +117,16 @@ class Chef
       end
     end
 
+    def self.from_hash(o)
+      collection = new()
+      { "@resource_list" => "ResourceList", "@resource_set" => "ResourceSet" }.each_pair do |name, klass|
+        obj = Chef::ResourceCollection.const_get(klass).from_hash(o["instance_vars"].delete(name))
+        collection.instance_variable_set(name.to_sym, obj)
+      end
+      collection.instance_variable_set(:@run_context, o["instance_vars"].delete("@run_context"))
+      collection
+    end
+
     private
 
     def lookup_recursive(rc, key)
diff --git a/lib/chef/resource_collection/resource_collection_serialization.rb b/lib/chef/resource_collection/resource_collection_serialization.rb
index 647d28dfd0..4da1ad5048 100644
--- a/lib/chef/resource_collection/resource_collection_serialization.rb
+++ b/lib/chef/resource_collection/resource_collection_serialization.rb
@@ -15,6 +15,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+
+require "chef/json_compat"
+
 class Chef
   class ResourceCollection
     module ResourceCollectionSerialization
@@ -39,13 +42,17 @@ class Chef
       end
 
       module ClassMethods
-        def json_create(o)
+        def from_hash(o)
           collection = new()
           o["instance_vars"].each do |k, v|
             collection.instance_variable_set(k.to_sym, v)
           end
           collection
         end
+
+        def from_json(j)
+          from_hash(Chef::JSONCompat.parse(j))
+        end
       end
 
       def is_chef_resource!(arg)
diff --git a/lib/chef/resource_collection/resource_list.rb b/lib/chef/resource_collection/resource_list.rb
index 9fe012d4c3..75305f63a6 100644
--- a/lib/chef/resource_collection/resource_list.rb
+++ b/lib/chef/resource_collection/resource_list.rb
@@ -95,6 +95,12 @@ class Chef
         end
       end
 
+      def self.from_hash(o)
+        collection = new()
+        resources = o["instance_vars"]["@resources"].map { |r| Chef::Resource.from_hash(r) }
+        collection.instance_variable_set(:@resources, resources)
+        collection
+      end
     end
   end
 end
diff --git a/lib/chef/resource_collection/resource_set.rb b/lib/chef/resource_collection/resource_set.rb
index 1a73818790..2c7c0a0b91 100644
--- a/lib/chef/resource_collection/resource_set.rb
+++ b/lib/chef/resource_collection/resource_set.rb
@@ -132,6 +132,14 @@ class Chef
         end
       end
 
+      def self.from_hash(o)
+        collection = new()
+        rl = o["instance_vars"]["@resources_by_key"]
+        resources = rl.merge(rl) { |k, r| Chef::Resource.from_hash(r) }
+        collection.instance_variable_set(:@resources_by_key, resources)
+        collection
+      end
+
       private
 
       def create_key(resource_type, instance_name)
diff --git a/lib/chef/role.rb b/lib/chef/role.rb
index 218894ef03..c22c77b70d 100644
--- a/lib/chef/role.rb
+++ b/lib/chef/role.rb
@@ -168,12 +168,6 @@ class Chef
       self
     end
 
-    # Create a Chef::Role from JSON
-    def self.json_create(o)
-      Chef.deprecated(:json_auto_inflate, "Auto inflation of JSON data is deprecated. Please use Chef::Role#from_hash")
-      from_hash(o)
-    end
-
     def self.from_hash(o)
       role = new
       role.name(o["name"])
diff --git a/lib/chef/user.rb b/lib/chef/user.rb
index fffaa106f8..f52d0e2555 100644
--- a/lib/chef/user.rb
+++ b/lib/chef/user.rb
@@ -152,11 +152,6 @@ class Chef
       Chef::User.from_hash(Chef::JSONCompat.from_json(json))
     end
 
-    def self.json_create(json)
-      Chef.deprecated(:json_auto_inflate, "Auto inflation of JSON data is deprecated. Please use Chef::User#from_json or Chef::User#load.")
-      Chef::User.from_json(json)
-    end
-
     def self.list(inflate = false)
       response = Chef::ServerAPI.new(Chef::Config[:chef_server_url], { :api_version => "0" }).get("users")
       users = if response.is_a?(Array)
diff --git a/lib/chef/user_v1.rb b/lib/chef/user_v1.rb
index b408bbe667..0ca17c6ed6 100644
--- a/lib/chef/user_v1.rb
+++ b/lib/chef/user_v1.rb
@@ -274,11 +274,6 @@ class Chef
       Chef::UserV1.from_hash(Chef::JSONCompat.from_json(json))
     end
 
-    def self.json_create(json)
-      Chef.deprecated(:json_auto_inflate, "Auto inflation of JSON data is deprecated. Please use Chef::UserV1#from_json or Chef::UserV1#load.")
-      Chef::UserV1.from_json(json)
-    end
-
     def self.list(inflate = false)
       response = Chef::ServerAPI.new(Chef::Config[:chef_server_url]).get("users")
       users = if response.is_a?(Array)
diff --git a/spec/unit/json_compat_spec.rb b/spec/unit/json_compat_spec.rb
index 4da29fe4ec..38c2c60b2e 100644
--- a/spec/unit/json_compat_spec.rb
+++ b/spec/unit/json_compat_spec.rb
@@ -22,28 +22,6 @@ require "chef/json_compat"
 describe Chef::JSONCompat do
   before { Chef::Config[:treat_deprecation_warnings_as_errors] = false }
 
-  describe "#from_json with JSON containing an existing class" do
-    let(:json) { '{"json_class": "Chef::Role"}' }
-
-    it "emits a deprecation warning" do
-      Chef::Config[:treat_deprecation_warnings_as_errors] = true
-      expect { Chef::JSONCompat.from_json(json) }.to raise_error Chef::Exceptions::DeprecatedFeatureError,
-        /Auto inflation of JSON data is deprecated. Please use Chef::Role#from_hash/
-    end
-
-    it "returns an instance of the class instead of a Hash" do
-      expect(Chef::JSONCompat.from_json(json).class).to eq Chef::Role
-    end
-  end
-
-  describe "#from_json with JSON containing comments" do
-    let(:json) { %Q{{\n/* comment */\n// comment 2\n"json_class": "Chef::Role"}} }
-
-    it "returns an instance of the class instead of a Hash" do
-      expect(Chef::JSONCompat.from_json(json).class).to eq Chef::Role
-    end
-  end
-
   describe "#parse with JSON containing comments" do
     let(:json) { %Q{{\n/* comment */\n// comment 2\n"json_class": "Chef::Role"}} }
 
@@ -52,16 +30,6 @@ describe Chef::JSONCompat do
     end
   end
 
-  describe 'with JSON containing "Chef::Sandbox" as a json_class value' do
-    require "chef/sandbox" # Only needed for this test
-
-    let(:json) { '{"json_class": "Chef::Sandbox", "arbitrary": "data"}' }
-
-    it "returns a Hash, because Chef::Sandbox is a dummy class" do
-      expect(Chef::JSONCompat.from_json(json)).to eq({ "json_class" => "Chef::Sandbox", "arbitrary" => "data" })
-    end
-  end
-
   describe "when pretty printing an object that defines #to_json" do
     class Foo
       def to_json(*a)
diff --git a/spec/unit/knife/core/ui_spec.rb b/spec/unit/knife/core/ui_spec.rb
index 38c72161e5..38614f44d9 100644
--- a/spec/unit/knife/core/ui_spec.rb
+++ b/spec/unit/knife/core/ui_spec.rb
@@ -34,16 +34,24 @@ describe Chef::Knife::UI do
     Chef::Config[:treat_deprecation_warnings_as_errors] = false
   end
 
+  class TestObject < OpenStruct
+    def self.from_hash(hsh)
+      new(hsh)
+    end
+  end
+
   describe "edit" do
     ruby_for_json = { "foo" => "bar" }
+    ruby_from_json = TestObject.from_hash(ruby_for_json)
     json_from_ruby = "{\n  \"foo\": \"bar\"\n}"
     json_from_editor = "{\n  \"bar\": \"foo\"\n}"
-    ruby_from_editor = { "bar" => "foo" }
+    ruby_from_editor = TestObject.from_hash({ "bar" => "foo" })
     my_editor = "veeeye"
     temp_path = "/tmp/bar/baz"
 
-    let(:subject) { @ui.edit_data(ruby_for_json, parse_output) }
+    let(:subject) { @ui.edit_data(ruby_for_json, parse_output, object_class: klass) }
     let(:parse_output) { false }
+    let(:klass) { nil }
 
     context "when editing is disabled" do
       before do
@@ -57,17 +65,18 @@ describe Chef::Knife::UI do
       end
       context "when parse_output is true" do
         let(:parse_output) { true }
+        let(:klass) { TestObject }
         it "returns a ruby object" do
-          expect(subject).to eql(ruby_for_json)
+          expect(subject).to eql(ruby_from_json)
         end
-
-        it "gives a deprecation error" do
-          Chef::Config[:treat_deprecation_warnings_as_errors] = true
-          expect { subject }.to raise_error Chef::Exceptions::DeprecatedFeatureError,
-            /Auto inflation of JSON data is deprecated./
+        context "but no object class is provided" do
+          let(:klass) { nil }
+          it "raises an error" do
+            expect { subject }.to raise_error ArgumentError,
+              /Please pass in the object class to hydrate or use #edit_hash/
+          end
         end
       end
-
     end
 
     context "when editing is enabled" do
@@ -94,6 +103,7 @@ describe Chef::Knife::UI do
         end
         context "when parse_output is true" do
           let(:parse_output) { true }
+          let(:klass) { TestObject }
           it "returns an edited ruby object" do
             expect(subject).to eql(ruby_from_editor)
           end
@@ -145,6 +155,7 @@ describe Chef::Knife::UI do
 
         context "when parse_output is true" do
           let(:parse_output) { true }
+          let(:klass) { TestObject }
           it "returns an edited ruby object" do
             expect(subject).to eql(ruby_from_editor)
           end
diff --git a/spec/unit/resource_collection_spec.rb b/spec/unit/resource_collection_spec.rb
index 5feb34833a..76038e51b9 100644
--- a/spec/unit/resource_collection_spec.rb
+++ b/spec/unit/resource_collection_spec.rb
@@ -291,10 +291,10 @@ describe Chef::ResourceCollection do
       expect(rc.respond_to?(:from_json)).to eq(false)
     end
 
-    it "should convert from json using the CHEF::JSONCompat library" do
+    it "should convert from json using the Chef::JSONCompat library" do
       rc << resource
       json = Chef::JSONCompat.to_json(rc)
-      s_rc = Chef::JSONCompat.from_json(json)
+      s_rc = Chef::ResourceCollection.from_json(json)
       expect(s_rc).to be_a_kind_of(Chef::ResourceCollection)
       expect(s_rc[0].name).to eql(resource.name)
     end
diff --git a/spec/unit/resource_spec.rb b/spec/unit/resource_spec.rb
index df8ae3100a..c1aeb256fa 100644
--- a/spec/unit/resource_spec.rb
+++ b/spec/unit/resource_spec.rb
@@ -484,7 +484,7 @@ describe Chef::Resource do
   describe "self.json_create" do
     it "should deserialize itself from json" do
       json = Chef::JSONCompat.to_json(resource)
-      serialized_node = Chef::JSONCompat.from_json(json)
+      serialized_node = Chef::Resource.from_json(json)
       expect(serialized_node).to be_a_kind_of(Chef::Resource)
       expect(serialized_node.name).to eql(resource.name)
     end