option to require all fields

.rubocop.yml

@@ -32,3 +32,6 @@ Style/Documentation:
 
 Metrics/AbcSize:
   Enabled: false
+
+Layout/LineLength:
+  Enabled: false

lib/simple_json_schema_builder/base.rb

@@ -4,8 +4,8 @@
 
 module SimpleJsonSchemaBuilder
   class Base
-    def self.object(description: nil, &block)
-      @schema ||= Base.new(description: description)
+    def self.object(description: nil, default_required: false, &block)
+      @schema ||= Base.new(description: description, default_required: default_required)
       @schema.instance_eval(&block)
     end
 
@@ -17,37 +17,39 @@ def self.to_json
       MultiJson.dump(schema)
     end
 
-    def initialize(description: nil)
+    def initialize(description: nil, default_required: false)
       @properties = {}
       @required_key_names = []
       @description = description
+      @default_required = default_required
     end
 
-    def string(key_name, required: false, title: nil, description: nil, array: false, examples: [], enum: nil)
+    def string(key_name, required: nil, title: nil, description: nil, array: false, examples: [], enum: nil)
       add_required(key_name, required)
       add_property("string", key_name, title: title, description: description, examples: examples, enum: enum)
       add_array(key_name, array)
     end
 
-    def integer(key_name, required: false, title: nil, description: nil, array: false, examples: [], enum: nil)
+    def integer(key_name, required: nil, title: nil, description: nil, array: false, examples: [], enum: nil)
       add_required(key_name, required)
       add_property("integer", key_name, title: title, description: description, examples: examples, enum: enum)
       add_array(key_name, array)
     end
 
-    def number(key_name, required: false, title: nil, description: nil, array: false, examples: [], enum: nil)
+    def number(key_name, required: nil, title: nil, description: nil, array: false, examples: [], enum: nil)
       add_required(key_name, required)
       add_property("number", key_name, title: title, description: description, examples: examples, enum: enum)
       add_array(key_name, array)
     end
 
-    def boolean(key_name, required: false, title: nil, description: nil, array: false, examples: [])
+    def boolean(key_name, required: nil, title: nil, description: nil, array: false, examples: [])
       add_required(key_name, required)
       add_property("boolean", key_name, title: title, description: description, examples: examples, enum: nil)
       add_array(key_name, array)
     end
 
-    def object(key_name = nil, required: false, description: nil, array: false, schema: nil, &block)
+    def object(key_name = nil, required: nil, default_required: false, description: nil, array: false, schema: nil, &block)
+      @default_required = default_required
       add_required(key_name, required)
 
       if schema
@@ -76,10 +78,10 @@ def schema
 
     private
 
-    attr_reader :properties, :required_key_names, :description
+    attr_reader :properties, :required_key_names, :description, :default_required
 
     def add_required(key_name, required)
-      return unless required
+      return unless default_required || required
 
       @required_key_names << key_name
     end

spec/simple_json_schema_builder/base_spec.rb

@@ -91,6 +91,20 @@ class TestSubSchema < SimpleJsonSchemaBuilder::Base
   end
 end
 
+class TestDefaultRequiredTrueSchema < SimpleJsonSchemaBuilder::Base
+  object default_required: true do
+    string :test1
+    string :test2, required: true
+  end
+end
+
+class TestDefaultRequiredFalseSchema < SimpleJsonSchemaBuilder::Base
+  object default_required: false do
+    string :test1
+    string :test2, required: true
+  end
+end
+
 RSpec.describe SimpleJsonSchemaBuilder::Base do
   subject { TestSchema.schema }
   let(:properties) { subject[:properties] }
@@ -191,4 +205,24 @@ class TestSubSchema < SimpleJsonSchemaBuilder::Base
       expect(hash["type"]).to eq("object")
     end
   end
+
+  describe "required by default" do
+    describe "when true" do
+      subject { TestDefaultRequiredTrueSchema.schema }
+
+      it "correctly formats schema" do
+        expect(subject[:type]).to eq("object")
+        expect(subject[:required]).to eq(%i[test1 test2])
+      end
+    end
+
+    describe "when false" do
+      subject { TestDefaultRequiredFalseSchema.schema }
+
+      it "correctly formats schema" do
+        expect(subject[:type]).to eq("object")
+        expect(subject[:required]).to eq(%i[test2])
+      end
+    end
+  end
 end