Looser params

Gemfile

@@ -5,6 +5,7 @@ source "https://rubygems.org"
 # Specify your gem's dependencies in scheemer.gemspec
 gemspec
 
+gem "pry-nav"
 gem "rake", "~> 13.0"
 gem "rspec", "~> 3.0"
 gem "rubocop", "~> 1.21"

Gemfile.lock

@@ -3,11 +3,15 @@ PATH
   specs:
     scheemer (3.0.0)
       dry-schema (~> 1.13)
+      json-schema (~> 4.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
+    addressable (2.8.4)
+      public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
+    coderay (1.1.3)
     concurrent-ruby (1.2.2)
     diff-lcs (1.5.0)
     dry-configurable (1.0.1)
@@ -37,9 +41,18 @@ GEM
       dry-logic (~> 1.4)
       zeitwerk (~> 2.6)
     json (2.6.3)
+    json-schema (4.0.0)
+      addressable (>= 2.8)
+    method_source (1.0.0)
     parallel (1.23.0)
     parser (3.2.2.1)
       ast (~> 2.4.1)
+    pry (0.14.2)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    pry-nav (1.0.0)
+      pry (>= 0.9.10, < 0.15)
+    public_suffix (5.0.1)
     rainbow (3.1.1)
     rake (13.0.6)
     regexp_parser (2.8.0)
@@ -79,6 +92,7 @@ PLATFORMS
   x86_64-linux-musl
 
 DEPENDENCIES
+  pry-nav
   rake (~> 13.0)
   rspec (~> 3.0)
   rubocop (~> 1.21)

lib/scheemer/schema.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 require "dry-schema"
+require "json-schema"
 
 Dry::Schema.load_extensions(:hints, :json_schema)
 
@@ -40,6 +41,8 @@ def check_schema_exists!
 
     def initialize(&)
       @definitions = ::Dry::Schema.Params do
+        config.validate_keys = false
+
         instance_eval(&)
       end
     end
@@ -49,6 +52,8 @@ def validate(params)
     end
 
     def validate!(params)
+      return params if JSON::Validator.validate(json_schema, params)
+
       validate(params).tap do |result|
         next if result.success?
 

scheemer.gemspec

@@ -32,6 +32,7 @@ Gem::Specification.new do |spec|
 
   # Uncomment to register a new dependency of your gem
   spec.add_dependency "dry-schema", "~> 1.13"
+  spec.add_dependency "json-schema", "~> 4.0"
 
   # For more information and examples about making a new gem, check out our
   # guide at: https://bundler.io/guides/creating_gem.html

spec/scheemer/params_spec.rb

@@ -24,7 +24,7 @@
   end
 
   describe ".on_missing" do
-    context "with a single level key" do
+    context "with a shallow key" do
       let(:klass) do
         Class.new do
           extend Scheemer::Params::DSL
@@ -35,7 +35,7 @@
 
       subject(:record) { klass.new({ someValue: "testing" }) }
 
-      it "allows access to fields using underscored accessors" do
+      it "fills in the missing missing" do
         expect(record.content).to eql({ fall: "back" })
         expect(record.someValue).to eql("testing")
       end

spec/scheemer/schema_spec.rb

@@ -6,7 +6,7 @@
   describe ".validate!" do
     subject(:schema) do
       described_class.new do
-        required(:test)
+        required(:test).filled(:string)
       end
     end
 

spec/scheemer_spec.rb

@@ -21,7 +21,9 @@
         end
       end
 
-      subject(:record) { klass.new({ root: { someValue: "testing" } }) }
+      subject(:record) do
+        klass.new({ root: { someValue: "testing" } })
+      end
 
       it "allows access to fields using underscored accessors" do
         expect(record.some_value).to eql("testing")
@@ -58,5 +60,41 @@
 
       it { expect { klass.new({}) }.to raise_error(NotImplementedError) }
     end
+
+    context "when the extra fields are specified" do
+      let(:klass) do
+        Class.new do
+          extend Scheemer::DSL
+
+          schema do
+            required(:item).hash do
+              required(:content).hash do
+                required(:name).filled(:string)
+                optional(:address).filled(:string)
+              end
+            end
+          end
+        end
+      end
+      let(:data) do
+        {
+          item: {
+            content: {
+              name: "John",
+              age: "9999",
+              address: "John's Street 69"
+            }
+          }
+        }
+      end
+
+      subject(:record) { klass.new(data) } 
+
+      it "it allows all fields through" do
+        expect(record.content.dig(:name)).to eql "John"
+        expect(record.content.dig(:age)).to eql "9999"
+        expect(record.content.dig(:address)).to eql "John's Street 69"
+      end
+    end
   end
 end