Add method for setting multiple credentials

Author: Shubham

objectbox/sync.py

@@ -4,7 +4,6 @@
 import objectbox.c as c
 from objectbox import Store
 
-
 class SyncCredentials:
 
     def __init__(self, credential_type: c.SyncCredentialsType):
@@ -171,6 +170,32 @@ def set_credentials(self, credentials: SyncCredentials):
                                    credentials.secret,
                                    len(credentials.secret))
 
+    def set_multiple_credentials(self, credentials_list: list[SyncCredentials]):
+        if len(credentials_list) == 0:
+            raise ValueError("Provide at least one credential")
+
+        for i in range(len(credentials_list)):
+            is_last = (i == len(credentials_list) - 1)
+            credentials = credentials_list[i]
+
+            if isinstance(credentials, SyncCredentialsNone):
+                raise ValueError("SyncCredentials.none() is not supported, use set_credentials() instead")
+
+            if isinstance(credentials, SyncCredentialsUserPassword):
+                c.obx_sync_credentials_add_user_password(self.__c_sync_client_ptr,
+                                                         credentials.type,
+                                                         credentials.username.encode('utf-8'),
+                                                         credentials.password.encode('utf-8'),
+                                                         is_last
+                                                         )
+            elif isinstance(credentials, SyncCredentialsSecret):
+                c.obx_sync_credentials_add(self.__c_sync_client_ptr,
+                                           credentials.type,
+                                           credentials.secret,
+                                           len(credentials.secret),
+                                           is_last)
+
+
     def set_request_updates_mode(self, mode: SyncRequestUpdatesMode):
         if mode == SyncRequestUpdatesMode.MANUAL:
             c_mode = c.RequestUpdatesMode.MANUAL

tests/test_sync.py

@@ -73,3 +73,26 @@ def test_outgoing_message_count(test_store):
 
     with pytest.raises(IllegalArgumentError, match='Argument "sync" must not be null'):
         client.get_outgoing_message_count()
+
+
+def test_multiple_credentials(test_store):
+    server_urls = ["ws://localhost:9999"]
+    client = SyncClient(test_store, server_urls)
+
+    # empty list should raise ValueError
+    with pytest.raises(ValueError, match='Provide at least one credential'):
+        client.set_multiple_credentials([])
+
+    # SyncCredentials.none() is not supported with multiple credentials
+    with pytest.raises(ValueError, match=r'SyncCredentials.none\(\) is not supported, use set_credentials\(\) instead'):
+        client.set_multiple_credentials([SyncCredentials.none()])
+
+    client.set_multiple_credentials([
+        SyncCredentials.google_auth("token_google"),
+        SyncCredentials.user_and_password("user1", "password"),
+        SyncCredentials.shared_secret_string("secret1"),
+        SyncCredentials.jwt_id_token("token1"),
+        SyncCredentials.jwt_access_token("token2"),
+        SyncCredentials.jwt_refresh_token("token3"),
+        SyncCredentials.jwt_custom_token("token4")
+    ])