hotkey_tests: add volume down key test

Signed-off-by: Maciej Kisielewski <maciej.kisielewski@canonical.com> 

1 files changed, 16 insertions, 0 deletions

diff --git a/bin/hotkey_tests.py b/bin/hotkey_tests.py
index 12b2d39..8815aee 100755
--- a/bin/hotkey_tests.py
+++ b/bin/hotkey_tests.py
@@ -380,6 +380,22 @@ class HotKeyTesting:
 self.kb.press_key(KeyCodes.KEY_VOLUMEUP, repetitions=3, delay=0.2)
 return vc.before < vc.after
 
+ def check_volume_down(self):
+ """
+ Check if the volume down key has an effect on ALSA
+ """
+ # if the volume is already on min, then lowering it won't make any
+ # difference, so first, let's raise it before establishing the baseline
+ self.kb.press_key(KeyCodes.KEY_VOLUMEUP, repetitions=4, delay=0.2)
+ self.kb.press_key(KeyCodes.KEY_VOLUMEDOWN)
+ # let's grab output of alsa mixer to establish what is the baseline
+ # before we start raising the volume
+ vc = VolumeChange()
+ with self._monitored_volume_change(vc):
+ self.kb.press_key(
+ KeyCodes.KEY_VOLUMEDOWN, repetitions=3, delay=0.2)
+ return vc.before > vc.after
+
 @contextlib.contextmanager
 def _monitored_volume_change(self, vc):
 before = subprocess.check_output('amixer').decode(