#419

backend/spec/services/nico_tag_version_recorder_spec.rb

@@ -27,6 +27,22 @@ RSpec.describe NicoTagVersionRecorder do
     expect(external_tag.reload.has_attribute?(:version_no)).to be(false)
   end
 
+  it 'builds the qualified name from the registered platform value' do
+    external = create(:external_tag, name: 'foo')
+    locked_scope = instance_double(ActiveRecord::Relation)
+    allow(ExternalTag).to receive(:unscoped).and_return(locked_scope)
+    allow(locked_scope).to receive(:lock).and_return(locked_scope)
+    allow(locked_scope).to receive(:find).with(external.id).and_return(external)
+    allow(external).to receive(:platform).and_return('registered_external')
+
+    version = described_class.record!(
+        external_tag: external, event_type: :create, created_by_user: member)
+
+    expect(version).to have_attributes(
+        external_tag: external, name: 'registered_external:foo', version_no: 1,
+        event_type: 'create', linked_tags: '', created_by_user: member)
+  end
+
   it 'returns the latest version without appending an unchanged snapshot' do
     first = record(:create)