chore: import upstream snapshot with attribution

test/components/caching/test_cache_checker_async.py

@@ -0,0 +1,62 @@
+# SPDX-FileCopyrightText: 2022-present deepset GmbH <info@deepset.ai>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+from unittest.mock import AsyncMock, MagicMock
+
+import pytest
+
+from haystack import Document
+from haystack.components.caching.cache_checker import CacheChecker
+from haystack.testing.factory import document_store_class
+
+
+class TestCacheCheckerAsync:
+    @pytest.mark.asyncio
+    async def test_run_async_invalid_docstore(self):
+        mocked_docstore_class = document_store_class("MockedDocumentStore")
+        checker = CacheChecker(document_store=mocked_docstore_class(), cache_field="url")
+
+        with pytest.raises(TypeError, match="does not provide async support"):
+            await checker.run_async(items=["https://example.com/1"])
+
+    @pytest.mark.asyncio
+    async def test_run_async(self, in_memory_doc_store):
+        documents = [
+            Document(content="doc1", meta={"url": "https://example.com/1"}),
+            Document(content="doc2", meta={"url": "https://example.com/2"}),
+            Document(content="doc3", meta={"url": "https://example.com/1"}),
+            Document(content="doc4", meta={"url": "https://example.com/2"}),
+        ]
+        in_memory_doc_store.write_documents(documents)
+        checker = CacheChecker(in_memory_doc_store, cache_field="url")
+        results = await checker.run_async(items=["https://example.com/1", "https://example.com/5"])
+        assert results == {"hits": [documents[0], documents[2]], "misses": ["https://example.com/5"]}
+
+    @pytest.mark.asyncio
+    async def test_run_async_all_hits(self, in_memory_doc_store):
+        documents = [
+            Document(content="doc1", meta={"url": "https://example.com/1"}),
+            Document(content="doc2", meta={"url": "https://example.com/2"}),
+        ]
+        in_memory_doc_store.write_documents(documents)
+        checker = CacheChecker(in_memory_doc_store, cache_field="url")
+        results = await checker.run_async(items=["https://example.com/1", "https://example.com/2"])
+        assert results["hits"] == documents
+        assert results["misses"] == []
+
+    @pytest.mark.asyncio
+    async def test_run_async_all_misses(self, in_memory_doc_store):
+        checker = CacheChecker(in_memory_doc_store, cache_field="url")
+        results = await checker.run_async(items=["https://example.com/1", "https://example.com/2"])
+        assert results["hits"] == []
+        assert results["misses"] == ["https://example.com/1", "https://example.com/2"]
+
+    @pytest.mark.asyncio
+    async def test_run_async_filters_syntax(self):
+        mock_store = MagicMock()
+        mock_store.filter_documents_async = AsyncMock(return_value=[])
+        checker = CacheChecker(document_store=mock_store, cache_field="url")
+        await checker.run_async(items=["https://example.com/1"])
+        expected_filters = {"field": "url", "operator": "==", "value": "https://example.com/1"}
+        mock_store.filter_documents_async.assert_awaited_once_with(filters=expected_filters)