diff --git a/app/workers/publishing_api_document_republishing_worker.rb b/app/workers/publishing_api_document_republishing_worker.rb
index 58e4d735522..9e822dd4a7b 100644
--- a/app/workers/publishing_api_document_republishing_worker.rb
+++ b/app/workers/publishing_api_document_republishing_worker.rb
@@ -57,7 +57,7 @@ def the_document_has_non_superseded_editions_to_republish?
   end
 
   def the_document_has_been_unpublished?
-    @latest_unpublished_edition.present?
+    latest_unpublished_edition.present?
   end
 
   def the_document_has_been_withdrawn?
@@ -113,12 +113,6 @@ def send_unpublish(edition)
     handle_attachments_for(edition)
   end
 
-  def locales_for(edition)
-    Whitehall::PublishingApi.locales_for(edition).each do |locale|
-      yield locale.to_s
-    end
-  end
-
   def handle_attachments_for(edition)
     ServiceListeners::PublishingApiAssociatedDocuments.process(
       edition,
diff --git a/test/unit/app/workers/publishing_api_document_republishing_worker_test.rb b/test/unit/app/workers/publishing_api_document_republishing_worker_test.rb
index b3af4e0b54f..31434503c6d 100644
--- a/test/unit/app/workers/publishing_api_document_republishing_worker_test.rb
+++ b/test/unit/app/workers/publishing_api_document_republishing_worker_test.rb
@@ -2,16 +2,108 @@
 require "gds_api/test_helpers/publishing_api"
 
 class PublishingApiDocumentRepublishingWorkerTest < ActiveSupport::TestCase
-  test "should ignore old superseded editions when doing bulk republishing" do
-    document = create(:document, editions: [build(:superseded_edition)])
+  extend Minitest::Spec::DSL
 
-    Whitehall::PublishingApi.expects(:publish).never
-    Whitehall::PublishingApi.expects(:save_draft).never
-    Whitehall::PublishingApi.expects(:locales_for).never
-    Whitehall::PublishingApi.expects(:patch_links).never
-    PublishingApiUnpublishingWorker.any_instance.expects(:perform).never
-    ServiceListeners::PublishingApiAssociatedDocuments.expects(:process).never
+  context "#perform" do
+    test "does nothing when the document only has superseded editions" do
+      document = create(:document, editions: [build(:superseded_edition)])
 
-    PublishingApiDocumentRepublishingWorker.new.perform(document.id)
+      Whitehall::PublishingApi.expects(:publish).never
+      Whitehall::PublishingApi.expects(:save_draft).never
+      Whitehall::PublishingApi.expects(:patch_links).never
+      PublishingApiUnpublishingWorker.any_instance.expects(:perform).never
+      ServiceListeners::PublishingApiAssociatedDocuments.expects(:process).never
+
+      PublishingApiDocumentRepublishingWorker.new.perform(document.id)
+    end
+
+    context "when there are non-superseded editions" do
+      test "unpublishes the latest unpublished edition when the document has been unpublished" do
+        first_unpublished_edition = build(:unpublished_edition)
+        last_unpublished_edition = build(:unpublished_edition)
+        document = create(:document, editions: [first_unpublished_edition, last_unpublished_edition])
+
+        PublishingApiUnpublishingWorker.any_instance.expects(:perform).with(last_unpublished_edition.unpublishing.id, last_unpublished_edition.draft?).once
+        ServiceListeners::PublishingApiAssociatedDocuments.expects(:process).with(last_unpublished_edition, "republish").once
+        Whitehall::PublishingApi.expects(:save_draft).never
+        Whitehall::PublishingApi.expects(:publish).never
+        Whitehall::PublishingApi.expects(:patch_links).never
+
+        PublishingApiDocumentRepublishingWorker.new.perform(document.id)
+      end
+
+      test "unpublishes the latest unpublished edition and draft edition when the document has been unpublished and there's also a draft edition" do
+        first_unpublished_edition = build(:unpublished_edition)
+        last_unpublished_edition = build(:unpublished_edition)
+        draft_edition = build(:draft_edition)
+        document = create(:document, editions: [first_unpublished_edition, last_unpublished_edition, draft_edition])
+
+        PublishingApiUnpublishingWorker.any_instance.expects(:perform).with(last_unpublished_edition.unpublishing.id, last_unpublished_edition.draft?).once
+        ServiceListeners::PublishingApiAssociatedDocuments.expects(:process).with(last_unpublished_edition, "republish").once
+        Whitehall::PublishingApi.expects(:save_draft).with(draft_edition, "republish", bulk_publishing: false).once
+        ServiceListeners::PublishingApiAssociatedDocuments.expects(:process).with(draft_edition, "republish").once
+        Whitehall::PublishingApi.expects(:publish).never
+        Whitehall::PublishingApi.expects(:patch_links).never
+
+        PublishingApiDocumentRepublishingWorker.new.perform(document.id)
+      end
+
+      test "republishes then unpublishes the live edition when the document has not been unpublished but has been withdrawn" do
+        live_withdrawn_edition = build(:withdrawn_edition)
+        document = create(:document, live_edition: live_withdrawn_edition, editions: [live_withdrawn_edition])
+
+        Whitehall::PublishingApi.expects(:publish).with(live_withdrawn_edition, "republish", bulk_publishing: false).once
+        ServiceListeners::PublishingApiAssociatedDocuments.expects(:process).with(live_withdrawn_edition, "republish").once
+        PublishingApiUnpublishingWorker.any_instance.expects(:perform).with(live_withdrawn_edition.unpublishing.id, live_withdrawn_edition.draft?).once
+        ServiceListeners::PublishingApiAssociatedDocuments.expects(:process).with(live_withdrawn_edition, "republish").once
+        Whitehall::PublishingApi.expects(:save_draft).never
+        Whitehall::PublishingApi.expects(:patch_links).never
+
+        PublishingApiDocumentRepublishingWorker.new.perform(document.id)
+      end
+
+      context "when the document has not been unpublished or withdrawn" do
+        test "patches links then republishes the draft edition when there's only a draft edition" do
+          draft_edition = build(:draft_edition)
+          document = create(:document, editions: [draft_edition])
+
+          Whitehall::PublishingApi.expects(:patch_links).with(draft_edition, bulk_publishing: false).once
+          Whitehall::PublishingApi.expects(:save_draft).with(draft_edition, "republish", bulk_publishing: false).once
+          ServiceListeners::PublishingApiAssociatedDocuments.expects(:process).with(draft_edition, "republish").once
+          Whitehall::PublishingApi.expects(:publish).never
+          PublishingApiUnpublishingWorker.any_instance.expects(:perform).never
+
+          PublishingApiDocumentRepublishingWorker.new.perform(document.id)
+        end
+
+        test "patches links then republishes the live edition when there's only a live edition" do
+          live_edition = build(:published_edition)
+          document = create(:document, live_edition:, editions: [live_edition])
+
+          Whitehall::PublishingApi.expects(:patch_links).with(live_edition, bulk_publishing: false).once
+          Whitehall::PublishingApi.expects(:publish).with(live_edition, "republish", bulk_publishing: false).once
+          ServiceListeners::PublishingApiAssociatedDocuments.expects(:process).with(live_edition, "republish").once
+          Whitehall::PublishingApi.expects(:save_draft).never
+          PublishingApiUnpublishingWorker.any_instance.expects(:perform).never
+
+          PublishingApiDocumentRepublishingWorker.new.perform(document.id)
+        end
+
+        test "patches links with the live edition then republishes the live edition then republishes the draft edition when there's both a live and draft edition" do
+          live_edition = build(:published_edition)
+          draft_edition = build(:draft_edition)
+          document = create(:document, live_edition:, editions: [live_edition, draft_edition])
+
+          Whitehall::PublishingApi.expects(:patch_links).with(live_edition, bulk_publishing: false).once
+          Whitehall::PublishingApi.expects(:publish).with(live_edition, "republish", bulk_publishing: false).once
+          ServiceListeners::PublishingApiAssociatedDocuments.expects(:process).with(live_edition, "republish").once
+          Whitehall::PublishingApi.expects(:save_draft).with(draft_edition, "republish", bulk_publishing: false).once
+          ServiceListeners::PublishingApiAssociatedDocuments.expects(:process).with(draft_edition, "republish").once
+          PublishingApiUnpublishingWorker.any_instance.expects(:perform).never
+
+          PublishingApiDocumentRepublishingWorker.new.perform(document.id)
+        end
+      end
+    end
   end
 end