test: add a test for pointer vs abs pointer receiving

test/test_protocol.py

@@ -934,3 +934,56 @@ class TestEiProtocol:
         assert status.capability is not None
         assert status.capability.name == wanted_interface
         assert status.capability.version == VERSION_V(1)
+
+    @pytest.mark.parametrize(
+        "wanted_pointer",
+        (EiDevice.EiCapabilities.POINTER, EiDevice.EiCapabilities.POINTER_ABSOLUTE),
+    )
+    def test_connect_receive_pointer(self, eis, wanted_pointer):
+        """
+        Ensure we get the correct pointer device after binding
+        """
+        ei = eis.ei
+
+        @attr.s
+        class Status:
+            pointer: Optional[Interface] = attr.ib(default=None)  # type: ignore
+            all_caps: int = attr.ib(default=0)
+
+        status = Status()
+
+        def on_capabilities(device, caps):
+            status.all_caps |= caps
+
+        def on_interface(device, object, name, version, new_objects):
+            logger.debug(
+                "new capability",
+                device=device,
+                object=object,
+                name=name,
+                version=version,
+            )
+            if name == "ei_pointer":
+                status.pointer = new_objects["object"]
+
+        def on_new_device(seat, device, version, new_objects):
+            logger.debug("new device", object=new_objects["device"])
+            new_objects["device"].connect("Interface", on_interface)
+            new_objects["device"].connect("Capabilities", on_capabilities)
+
+        def on_new_object(o: Interface):
+            logger.debug("new object", object=o)
+            if o.name == "ei_seat":
+                o.connect("Device", on_new_device)
+
+        ei.context.connect("register", on_new_object)
+        ei.dispatch()
+        ei.init_default_sender_connection()
+
+        ei.wait_for_seat()
+        ei.send(ei.seats[0].Bind(wanted_pointer))
+
+        ei.wait_for(lambda: status.pointer is not None)
+
+        assert status.pointer is not None
+        assert status.all_caps & wanted_pointer