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twister: pytest: fix missing messages from hardware target

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When pytest harness test is run on harware, messages sent from target
right after application start-up are lost, because connection to COM
port is not established yet. It can cause unexpected
behavior of a test. Fix it by flashing and running application after
connecting to COM port when testing on hardware.

Signed-off-by: Michal Smola <michal.smola@nxp.com>
This commit is contained in:
Michal Smola 2024-01-26 14:40:08 +01:00 committed by Fabio Baltieri
parent 5c78b3d842
commit 1f25531d7c
1 changed files with 9 additions and 1 deletions
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10
scripts/pylib/pytest-twister-harness/src/twister_harness/device/device_adapter.py
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@ -66,11 +66,19 @@ class DeviceAdapter(abc.ABC):
if not self.command:
self.generate_command()
self._flash_and_run()
if self.device_config.type != 'hardware':
self._flash_and_run()
self._device_run.set()
self._start_reader_thread()
self.connect()
if self.device_config.type == 'hardware':
# On hardware, flash after connecting to COM port, otherwise some messages
# from target can be lost.
self._flash_and_run()
def close(self) -> None:
"""Disconnect, close device and close reader thread."""
if not self._device_run.is_set():