diff options
| -rwxr-xr-x | util/uart_stress_tester.py | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/util/uart_stress_tester.py b/util/uart_stress_tester.py index 13828fe84e..e2f9f278fe 100755 --- a/util/uart_stress_tester.py +++ b/util/uart_stress_tester.py @@ -251,7 +251,11 @@ class UartSerial(object): self.serial.close() def stress_test_thread(self): - """Test thread""" + """Test thread + + Raises: + ChargenTestError: if broken character is found. + """ try: self.serial.open() self.serial.flushInput() @@ -295,9 +299,11 @@ class UartSerial(object): # If it is not alpha-numeric, terminate the test. if ch_cap not in CRLF: # If it is neither a CR nor LF, then it is an error case. - self.logger.error(err_msg, 'Broken char captured', - ch_exp, hex(ord(ch_cap)), self.num_ch_cap) self.logger.error('Whole captured characters: %r', captured) + raise ChargenTestError(err_msg % ('Broken char captured', ch_exp, + hex(ord(ch_cap)), + self.num_ch_cap)) + # Set the loop termination condition true. total_num_ch = self.num_ch_cap @@ -421,7 +427,11 @@ class ChargenTest(object): self.logger.info('Ports are ready to test') def print_result(self): - """Display the test result for each UART port""" + """Display the test result for each UART port + + Returns: + char_lost: Total number of characters lost + """ char_lost = 0 for _, ser in self.serials.items(): (tmp_lost, _, _) = ser.get_result() @@ -434,8 +444,14 @@ class ChargenTest(object): else: self.logger.info('PASS: %s', msg) + return char_lost + def run(self): - """Run the stress test on UART port(s)""" + """Run the stress test on UART port(s) + + Raises: + ChargenTestError: If any characters are lost. + """ # Detect UART source type, and decide which command to test. self.prepare() @@ -450,9 +466,12 @@ class ChargenTest(object): ser.wait_test_done() # Print the result. - self.print_result() - self.logger.info('Test is done') + char_lost = self.print_result() + if char_lost: + raise ChargenTestError('Test failed: lost %d character(s)' % + char_lost) + self.logger.info('Test is done') def parse_args(cmdline): """Parse command line arguments. @@ -514,7 +533,7 @@ def main(): sys.exit(0) except ChargenTestError as e: - print('Error: ', str(e)) + logging.error(str(e)) sys.exit(1) if __name__ == '__main__': |