twister: pytest: Fix problems with no prompt in tests with shell
Only impacts on twister-pytest scenarios. Exec command is waiting for the prompt message, but in some cases, e.g. after reseting the DUT, prompt can be followed by another strings. Solution is to clear internal serial buffer and to not request the prompt string before executing a command. Signed-off-by: Grzegorz Chwierut <grzegorz.chwierut@nordicsemi.no>
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2 changed files with 2 additions and 1 deletions
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@ -250,6 +250,7 @@ class HardwareAdapter(DeviceAdapter):
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super()._clear_internal_resources()
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self._serial_connection = None
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self._serial_pty_proc = None
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self._serial_buffer.clear()
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@staticmethod
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def _run_custom_script(script_path: str | Path, timeout: float) -> None:
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@ -57,7 +57,7 @@ class Shell:
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timeout = timeout or self.base_timeout
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command_ext = f'{command}\n\n'
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regex_prompt = re.escape(self.prompt)
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regex_command = f'{regex_prompt}.*{command}'
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regex_command = f'.*{command}'
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self._device.clear_buffer()
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self._device.write(command_ext.encode())
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lines: list[str] = []
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