#414

backend/spec/services/material_sync_runner_spec.rb

@@ -14,6 +14,47 @@ RSpec.describe MaterialSyncRunner do
   let(:drive_client) { instance_double(GoogleDrive::ApiClient) }
 
   describe '#sync!' do
+    it 'groups created and updated materials across sync sources into one event' do
+      existing = Material.create!(
+          source_kind: 'google_drive_file', source_file_id: 'existing-file',
+          source_path: 'old.png', url: 'https://example.com/existing',
+          created_by_user: user, updated_by_user: user)
+      source
+      MaterialSyncSource.create!(
+          name: 'Second Drive source', source_kind: 'google_drive_path',
+          source_file_id: 'folder-456', profile: 'legacy_drive',
+          created_by_user: user, updated_by_user: user)
+      allow(GoogleDrive::ApiClient).to receive(:new).and_return(drive_client)
+      allow(drive_client).to receive(:each_material_file_under_folder) do |folder_id, &block|
+        id = folder_id == 'folder-123' ? 'existing-file' : 'new-file'
+        block.call(id:, name: "#{ id }.png", mime_type: 'image/png',
+                   relative_path: "素材/#{ id }.png", sha256_checksum: nil,
+                   web_view_link: "https://drive.google.com/file/d/#{ id }/view")
+      end
+      allow(drive_client).to receive(:download_to_tempfile) do |id, **|
+        Tempfile.new(['sync-event', '.png']).tap do |file|
+          file.binmode
+          file.write(id)
+          file.rewind
+        end
+      end
+      allow(MaterialThumbnailGenerator).to receive(:generate!)
+      previous_ids = MaterialVersion.pluck(:id)
+
+      result = nil
+      expect { result = described_class.sync_enabled! }
+          .to change { event_rows.length }.by(1)
+
+      expect(result).to have_attributes(imported: 1, updated: 1, failed: 0)
+      event = event_rows.last
+      expect(event.fetch('event_type')).to eq('materials.sync')
+      created = Material.find_by!(source_file_id: 'new-file')
+      versions = MaterialVersion.where.not(id: previous_ids)
+      expect(versions.pluck(:material_id).uniq).to contain_exactly(existing.id, created.id)
+      expect(versions.pluck(:event_type)).to include('create', 'update')
+      expect(versions.pluck(:event_id).uniq).to eq([event.fetch('id')])
+    end
+
     it 'imports google drive path candidates as they are yielded' do
       first_entry = { id: 'file-1',
                       name: 'a.png',