test: swap the axis checks for an iterator-based approach

This ensures we get a StopIteration exception if we don't have the
events we expect - previously we'd get a false positive on this test if
we had no motion events after the first one.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Aaron Skomra <aaron.skomra@wacom.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/test/test_wacom.py b/test/test_wacom.py
index b92901c..d3e315d 100644
--- a/test/test_wacom.py
+++ b/test/test_wacom.py
@@ -190,11 +190,13 @@ def test_axis_updates(mainloop, opts, axis):
     mainloop.run()
     logger.debug(f"We have {len(monitor.events)} events")
 
-    # ignore the initial proximity event since all axes change there
-    # by necessity
-    first = {name: getattr(monitor.events[1].axes, name) for name in map}
+    events = iter(monitor.events)
+    # Ignore the proximity event since all axes change there by necessity
+    _ = next(events)
 
-    for e in monitor.events[2:]:
+    first = {name: getattr(next(events).axes, name) for name in map}
+
+    for e in events:
         current = {name: getattr(e.axes, name) for name in map}
         for name in map:
             if name == axis: