Harrison/atlas db (#1315)

Co-authored-by: Brandon Duderstadt <brandonduderstadt@gmail.com>

tests/integration_tests/vectorstores/test_atlas.py

@@ -0,0 +1,40 @@
+"""Test Atlas functionality."""
+import time
+
+from langchain.vectorstores import AtlasDB
+from tests.integration_tests.vectorstores.fake_embeddings import FakeEmbeddings
+
+ATLAS_TEST_API_KEY = "7xDPkYXSYDc1_ErdTPIcoAR9RNd8YDlkS3nVNXcVoIMZ6"
+
+
+def test_atlas() -> None:
+    """Test end to end construction and search."""
+    texts = ["foo", "bar", "baz"]
+    docsearch = AtlasDB.from_texts(
+        name="langchain_test_project" + str(time.time()),
+        texts=texts,
+        api_key=ATLAS_TEST_API_KEY,
+        embedding=FakeEmbeddings(),
+    )
+    output = docsearch.similarity_search("foo", k=1)
+    assert len(output) == 1
+    assert output[0].page_content == "foo"
+
+
+def test_atlas_with_metadatas() -> None:
+    """Test end to end construction and search."""
+    texts = ["foo", "bar", "baz"]
+    metadatas = [{"page": str(i)} for i in range(len(texts))]
+    docsearch = AtlasDB.from_texts(
+        name="langchain_test_project" + str(time.time()),
+        texts=texts,
+        api_key=ATLAS_TEST_API_KEY,
+        embedding=FakeEmbeddings(),
+        metadatas=metadatas,
+        reset_project_if_exists=True,
+    )
+
+    output = docsearch.similarity_search("foo", k=1)
+    assert len(output) == 1
+    assert output[0].page_content == "foo"
+    assert output[0].metadata["page"] == "0"