Support mongodb+srv connection strings (#1513)

#### Reference Issues/PRs
Closes #1512

python/arcticdb/adapters/mongo_library_adapter.py

@@ -27,7 +27,7 @@
 class MongoLibraryAdapter(ArcticLibraryAdapter):
     @staticmethod
     def supports_uri(uri: str) -> bool:
-        return uri.startswith("mongodb://")  # mongo+srv:// support?
+        return uri.startswith("mongodb://") or uri.startswith("mongodb+srv://")
 
     def __init__(self, uri: str, encoding_version: EncodingVersion, *args, **kwargs):
         try:

python/tests/integration/arcticdb/test_arctic.py

@@ -19,6 +19,7 @@
 from arcticdb_ext.exceptions import InternalException, UserInputException
 from arcticdb_ext.storage import NoDataFoundException
 from arcticdb.exceptions import ArcticDbNotYetImplemented, LibraryNotFound, MismatchingLibraryOptions
+from arcticdb.adapters.mongo_library_adapter import MongoLibraryAdapter
 from arcticdb.arctic import Arctic
 from arcticdb.options import LibraryOptions, EnterpriseLibraryOptions
 from arcticdb import QueryBuilder
@@ -914,6 +915,11 @@ def test_s3_force_uri_lib_config_handling(s3_storage):
         Arctic(s3_storage.arctic_uri + "&force_uri_lib_config=false")
 
 
+@pytest.mark.parametrize("connection_string", ("mongodb://blah", "mongodb+srv://blah"))
+def test_mongo_connection_string_format(connection_string):
+    assert MongoLibraryAdapter.supports_uri(connection_string)
+
+
 # See test of same name in test_normalization.py for V1 API equivalent
 def test_norm_failure_error_message(arctic_library):
     lib = arctic_library