fix(service): fix reporting of missing registration issues

service/lib/agama/software/manager.rb

@@ -600,9 +600,7 @@ def missing_registration_issue
       def missing_registration?
         return false unless product
 
-        registration.reg_code.nil? &&
-          product.registration &&
-          missing_base_product?
+        product.registration && missing_base_product?
       end
 
       # Whether the base product is missing

service/test/agama/software/manager_test.rb

@@ -543,28 +543,37 @@
 
       context "and the product requires registration" do
         let(:product_id) { "test1" }
+        let(:product) do
+          Agama::Software::Product.new("test1").tap do |p|
+            p.registration = true
+            p.name = "test1"
+          end
+        end
 
         before do
-          allow(subject.registration).to receive(:reg_code).and_return(reg_code)
+          allow(subject).to receive(:product).and_return(product)
+          allow(Y2Packager::Resolvable).to receive(:find)
+            .with(kind: :product, name: product.name)
+            .and_return(resolvables)
         end
 
-        context "and the product is not registered" do
-          let(:reg_code) { nil }
+        context "and the base product is not available" do
+          let(:resolvables) { [] }
 
           it "contains a missing registration issue" do
             expect(subject.product_issues).to contain_exactly(
               an_object_having_attributes(
-                description: /product must be registered/i
+                kind: :missing_registration
               )
             )
           end
-        end
 
-        context "and the product is registered" do
-          let(:reg_code) { "1234XX5678" }
+          context "and the base product is available" do
+            let(:resolvables) { [instance_double("Product")] }
 
-          it "does not contain issues" do
-            expect(subject.product_issues).to be_empty
+            it "does not contain issues" do
+              expect(subject.product_issues).to be_empty
+            end
           end
         end
       end