Implement Router#resolve

lib/kangaru/router.rb

@@ -16,6 +16,10 @@ def initialize(command, namespace: Object)
       validate_action_defined!
     end
 
+    def resolve
+      controller_class.new(command).execute
+    end
+
     private
 
     def controller_class

sig/kangaru/router.rbs

@@ -11,6 +11,8 @@ module Kangaru
 
     def initialize: (Command, ?namespace: Module) -> void
 
+    def resolve: -> void
+
     private
 
     @controller_class: untyped

spec/kangaru/router_spec.rb

@@ -55,4 +55,24 @@
       end
     end
   end
+
+  describe "#resolve" do
+    subject(:resolve) { router.resolve }
+
+    let(:controller_spy) { instance_spy(controller_class) }
+
+    before do
+      allow(controller_class).to receive(:new).and_return(controller_spy)
+    end
+
+    it "instantiates a controller instance" do
+      resolve
+      expect(controller_class).to have_received(:new).with(command)
+    end
+
+    it "triggers the controller to execute the command" do
+      resolve
+      expect(controller_spy).to have_received(:execute).once
+    end
+  end
 end