add node id and baudrate configuration test

Author: phettberg

tests/example_based/test_lss.py

@@ -1,10 +1,24 @@
 """ Testing LSS service """
 
-from durand import Node
+from durand import Node, scheduler
 
 from ..mock_network import MockNetwork, TxMsg, RxMsg
 
 
+class MockScheduler(scheduler.AbstractScheduler):
+    def add(self, delay: float, callback, args=(), kwargs=None) -> scheduler.TEntry:
+        if kwargs is None:
+            kwargs = {}
+        callback(*args, **kwargs)
+
+    def cancel(self, entry: scheduler.TEntry):
+        ...
+
+    @property
+    def lock(self):
+        ...
+
+
 def test_global_selection():
     """Test example starts with a node with an undefined node id (0xFF).
     After the "switch state global" request to set every responder into configuration mode,
@@ -38,3 +52,59 @@ def test_global_selection():
             TxMsg(0x581, "43 00 10 00 00 00 00 00"),  # receive the acknowledge
         ]
     )
+
+
+def test_configuration():
+    """Test example starts with a node with node id 0x01.
+    After the "switch state global" request to set every responder into configuration mode,
+    the node id is set to 2.
+
+    Furthermore, the baudrate is set to 500 kbit/s and the configuration is stored.
+    When the configuration is stored, the node sends an acknowledge message.
+
+    At last, activate bit timing is sent to the node. It is the responsibility of its callback
+    to reinitialize the network with the new baudrate after a delay.
+    The callback is tested with the baudrate and delay parameters.
+    """
+
+    scheduler_ = MockScheduler()
+    scheduler.set_scheduler(scheduler_)
+
+    network = MockNetwork()
+
+    # create the node
+    node = Node(network, node_id=0x01)
+
+    def baudrate_change_callback(baudrate: int, delay: float):
+        # This callback is supposed to reinitialize the network with the new baudrate
+        # after the delay
+        # In this test, we just check if the callback is called with the correct parameters
+        assert baudrate == 500_000
+        assert delay == 1
+
+    node.lss.set_baudrate_change_callback(baudrate_change_callback)
+
+    def store_configuration_callback(baudrate: int | None, node_id: int | None):
+        assert baudrate == 500_000
+        assert node_id == 2
+
+    node.lss.set_store_configuration_callback(store_configuration_callback)
+
+    network.test(
+        [
+            RxMsg(
+                0x7E5, "04 01 00 00 00 00 00 00"
+            ),  # switch state global to configuration state
+
+            RxMsg(0x7E5, "11 02 00 00 00 00 00 00"),  # set node id to 2
+            TxMsg(0x7E4, "11 00 00 00 00 00 00 00"),  # receive the acknowledge (success)
+
+            RxMsg(0x7E5, "13 00 02 00 00 00 00 00"),  # set baudrate to 500 kbit/s
+            TxMsg(0x7E4, "13 00 00 00 00 00 00 00"),  # receive the acknowledge (success)
+
+            RxMsg(0x7E5, "17 00 00 00 00 00 00 00"),  # store configuration
+            TxMsg(0x7E4, "17 00 00 00 00 00 00 00"),  # receive the acknowledge (success)
+
+            RxMsg(0x7E5, "15 E8 03 00 00 00 00 00"),  # activate bit timing
+        ]
+    )