Fixes the interaction when both splitting and ASN are enabled (#5779)

src/documents/barcodes.py

@@ -100,11 +100,9 @@ class BarcodePlugin(ConsumeTaskPlugin):
             logger.info(f"Found tags in barcode: {tags}")
 
         # Lastly attempt to split documents
-        if settings.CONSUMER_ENABLE_BARCODES:
-
-            separator_pages = self.get_separation_pages()
-            if not separator_pages:
-                return "No pages to split on!"
+        if settings.CONSUMER_ENABLE_BARCODES and (
+            separator_pages := self.get_separation_pages()
+        ):
 
             # We have pages to split against
 

src/documents/tests/test_barcodes.py

@@ -15,6 +15,7 @@ from documents.data_models import ConsumableDocument
 from documents.data_models import DocumentMetadataOverrides
 from documents.data_models import DocumentSource
 from documents.models import Tag
+from documents.plugins.base import StopConsumeTaskError
 from documents.tests.utils import DirectoriesMixin
 from documents.tests.utils import DocumentConsumeDelayMixin
 from documents.tests.utils import DummyProgressManager
@@ -415,7 +416,10 @@ class TestBarcode(
         test_file = self.SAMPLE_DIR / "simple.pdf"
 
         with self.get_reader(test_file) as reader:
-            self.assertEqual("No pages to split on!", reader.run())
+            try:
+                reader.run()
+            except StopConsumeTaskError:
+                self.fail("Barcode reader split pages unexpectedly")
 
     @override_settings(
         CONSUMER_ENABLE_BARCODES=True,