Harrison/tair (#3770)

Co-authored-by: Seth Huang <848849+seth-hg@users.noreply.github.com>

tests/integration_tests/vectorstores/test_tair.py

@@ -0,0 +1,15 @@
+"""Test tair functionality."""
+
+from langchain.docstore.document import Document
+from langchain.vectorstores.tair import Tair
+from tests.integration_tests.vectorstores.fake_embeddings import FakeEmbeddings
+
+
+def test_tair() -> None:
+    """Test end to end construction and search."""
+    texts = ["foo", "bar", "baz"]
+    docsearch = Tair.from_texts(
+        texts, FakeEmbeddings(), tair_url="redis://localhost:6379"
+    )
+    output = docsearch.similarity_search("foo", k=1)
+    assert output == [Document(page_content="foo")]