get input types from print services

Author: Floppy

app/models/print_host.rb

@@ -13,4 +13,8 @@ class NotReady < RuntimeError
   def service
     PROTOCOLS[protocol].new(print_host: self)
   end
+
+  def input_types
+    PROTOCOLS[protocol]::INPUT_TYPES
+  end
 end

spec/models/print_host_spec.rb

@@ -24,4 +24,12 @@
       expect(described_class.create(attributes.merge(protocol: :nope))).not_to be_valid
     end
   end
+
+  context "with a valid print host" do
+    let(:print_host) { create(:print_host) }
+
+    it "can list input types" do
+      expect(print_host.input_types.map(&:to_s)).to eq ["text/x-gcode"]
+    end
+  end
 end