test: span-aware paragraph chunker fixture

surfsense_backend/tests/integration/indexing_pipeline/test_index_editions.py

@@ -18,16 +18,22 @@ _V1 = "Intro paragraph.\n\nBody paragraph.\n\nOutro paragraph."
 
 @pytest.fixture
 def paragraph_chunker(monkeypatch):
-    """One chunk per markdown paragraph, so edits map to chunk-level diffs."""
+    """One slice per markdown paragraph, so edits map to chunk-level diffs."""
+    from app.indexing_pipeline.document_chunker import ChunkSlice
 
-    def _split(markdown, **_kwargs):
-        return [p for p in markdown.split("\n\n") if p.strip()]
+    def _split(markdown, *_args, **_kwargs):
+        slices = []
+        cursor = 0
+        for para in markdown.split("\n\n"):
+            start = markdown.index(para, cursor)
+            cursor = start + len(para)
+            if para.strip():
+                slices.append(ChunkSlice(para, start, cursor))
+        return slices
 
     monkeypatch.setattr(
-        "app.indexing_pipeline.cache.cached_indexing.chunk_text", _split
-    )
-    monkeypatch.setattr(
-        "app.indexing_pipeline.cache.cached_indexing.chunk_text_hybrid", _split
+        "app.indexing_pipeline.cache.cached_indexing.chunk_markdown_with_spans",
+        _split,
     )