fix: correct test fixtures and add missing summarizer tests

surfsense_backend/tests/unit/indexing_pipeline/conftest.py

@@ -1,15 +1,33 @@
 import pytest
+from unittest.mock import AsyncMock, MagicMock
 
 
 @pytest.fixture
-def patched_chunker_instance(mocker):
-    mock = mocker.patch("app.indexing_pipeline.document_chunker.config.chunker_instance")
-    mock.chunk.return_value = [mocker.Mock(text="prose chunk")]
+def patched_summarizer_chain(monkeypatch):
+    chain = MagicMock()
+    chain.ainvoke = AsyncMock(return_value=MagicMock(content="The summary."))
+
+    template = MagicMock()
+    template.__or__ = MagicMock(return_value=chain)
+
+    monkeypatch.setattr(
+        "app.indexing_pipeline.document_summarizer.SUMMARY_PROMPT_TEMPLATE",
+        template,
+    )
+    return chain
+
+
+@pytest.fixture
+def patched_chunker_instance(monkeypatch):
+    mock = MagicMock()
+    mock.chunk.return_value = [MagicMock(text="prose chunk")]
+    monkeypatch.setattr("app.indexing_pipeline.document_chunker.config.chunker_instance", mock)
     return mock
 
 
 @pytest.fixture
-def patched_code_chunker_instance(mocker):
-    mock = mocker.patch("app.indexing_pipeline.document_chunker.config.code_chunker_instance")
-    mock.chunk.return_value = [mocker.Mock(text="code chunk")]
+def patched_code_chunker_instance(monkeypatch):
+    mock = MagicMock()
+    mock.chunk.return_value = [MagicMock(text="code chunk")]
+    monkeypatch.setattr("app.indexing_pipeline.document_chunker.config.code_chunker_instance", mock)
     return mock