test(cli/rpc_register): rpc_register tests added

tests/unit_tests/conftest.py

@@ -1,8 +1,15 @@
 import pytest
 
+from bec_widgets.cli.rpc_register import RPCRegister
 from bec_widgets.utils import bec_dispatcher as bec_dispatcher_module
 
 
+@pytest.fixture(autouse=True)
+def rpc_register():
+    yield RPCRegister()
+    RPCRegister.reset_singleton()
+
+
 @pytest.fixture(autouse=True)
 def bec_dispatcher(threads_check):
     bec_dispatcher = bec_dispatcher_module.BECDispatcher()

tests/unit_tests/test_rpc_register.py

@@ -0,0 +1,52 @@
+from bec_widgets.cli.rpc_register import RPCRegister
+
+
+class FakeObject:
+    def __init__(self, gui_id):
+        self.gui_id = gui_id
+
+
+def test_add_connection(rpc_register):
+    obj1 = FakeObject("id1")
+    obj2 = FakeObject("id2")
+
+    rpc_register.add_rpc(obj1)
+    rpc_register.add_rpc(obj2)
+
+    all_connections = rpc_register.list_all_connections()
+
+    assert len(all_connections) == 2
+    assert all_connections["id1"] == obj1
+    assert all_connections["id2"] == obj2
+
+
+def test_remove_connection(rpc_register):
+
+    obj1 = FakeObject("id1")
+    obj2 = FakeObject("id2")
+
+    rpc_register.add_rpc(obj1)
+    rpc_register.add_rpc(obj2)
+
+    rpc_register.remove_rpc(obj1)
+
+    all_connections = rpc_register.list_all_connections()
+
+    assert len(all_connections) == 1
+    assert all_connections["id2"] == obj2
+
+
+def test_reset_singleton(rpc_register):
+    obj1 = FakeObject("id1")
+    obj2 = FakeObject("id2")
+
+    rpc_register.add_rpc(obj1)
+    rpc_register.add_rpc(obj2)
+
+    rpc_register.reset_singleton()
+    rpc_register = RPCRegister()
+
+    all_connections = rpc_register.list_all_connections()
+
+    assert len(all_connections) == 0
+    assert all_connections == {}