feat: support Chroma vector store (#5015)

api/tests/integration_tests/vdb/chroma/test_chroma.py

@@ -0,0 +1,33 @@
+import chromadb
+
+from core.rag.datasource.vdb.chroma.chroma_vector import ChromaConfig, ChromaVector
+from tests.integration_tests.vdb.test_vector_store import (
+    AbstractVectorTest,
+    get_example_text,
+    setup_mock_redis,
+)
+
+
+class ChromaVectorTest(AbstractVectorTest):
+    def __init__(self):
+        super().__init__()
+        self.vector = ChromaVector(
+            collection_name=self.collection_name,
+            config=ChromaConfig(
+                host='localhost',
+                port=8000,
+                tenant=chromadb.DEFAULT_TENANT,
+                database=chromadb.DEFAULT_DATABASE,
+                auth_provider="chromadb.auth.token_authn.TokenAuthClientProvider",
+                auth_credentials="difyai123456",
+            )
+        )
+
+    def search_by_full_text(self):
+        # chroma dos not support full text searching
+        hits_by_full_text = self.vector.search_by_full_text(query=get_example_text())
+        assert len(hits_by_full_text) == 0
+
+
+def test_chroma_vector(setup_mock_redis):
+    ChromaVectorTest().run_all_tests()