Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

tools/host_tests/stdio_auto.py@0:f269e3021894, 2016-10-23 (annotated)

Committer:
elessair
Date:
Sun Oct 23 15:10:02 2016 +0000
Revision:
0:f269e3021894
Initial commit

Who changed what in which revision?

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elessair 0:f269e3021894 1 """
elessair 0:f269e3021894 2 mbed SDK
elessair 0:f269e3021894 3 Copyright (c) 2011-2013 ARM Limited
elessair 0:f269e3021894 4
elessair 0:f269e3021894 5 Licensed under the Apache License, Version 2.0 (the "License");
elessair 0:f269e3021894 6 you may not use this file except in compliance with the License.
elessair 0:f269e3021894 7 You may obtain a copy of the License at
elessair 0:f269e3021894 8
elessair 0:f269e3021894 9 http://www.apache.org/licenses/LICENSE-2.0
elessair 0:f269e3021894 10
elessair 0:f269e3021894 11 Unless required by applicable law or agreed to in writing, software
elessair 0:f269e3021894 12 distributed under the License is distributed on an "AS IS" BASIS,
elessair 0:f269e3021894 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:f269e3021894 14 See the License for the specific language governing permissions and
elessair 0:f269e3021894 15 limitations under the License.
elessair 0:f269e3021894 16 """
elessair 0:f269e3021894 17
elessair 0:f269e3021894 18 import re
elessair 0:f269e3021894 19 import random
elessair 0:f269e3021894 20 from time import time
elessair 0:f269e3021894 21
elessair 0:f269e3021894 22 class StdioTest():
elessair 0:f269e3021894 23 PATTERN_INT_VALUE = "Your value was: (-?\d+)"
elessair 0:f269e3021894 24 re_detect_int_value = re.compile(PATTERN_INT_VALUE)
elessair 0:f269e3021894 25
elessair 0:f269e3021894 26 def test(self, selftest):
elessair 0:f269e3021894 27 test_result = True
elessair 0:f269e3021894 28
elessair 0:f269e3021894 29 c = selftest.mbed.serial_readline() # {{start}} preamble
elessair 0:f269e3021894 30 if c is None:
elessair 0:f269e3021894 31 return selftest.RESULT_IO_SERIAL
elessair 0:f269e3021894 32 selftest.notify(c)
elessair 0:f269e3021894 33
elessair 0:f269e3021894 34 for i in range(0, 10):
elessair 0:f269e3021894 35 random_integer = random.randint(-99999, 99999)
elessair 0:f269e3021894 36 selftest.notify("HOST: Generated number: " + str(random_integer))
elessair 0:f269e3021894 37 start = time()
elessair 0:f269e3021894 38 selftest.mbed.serial_write(str(random_integer) + "\n")
elessair 0:f269e3021894 39
elessair 0:f269e3021894 40 serial_stdio_msg = selftest.mbed.serial_readline()
elessair 0:f269e3021894 41 if serial_stdio_msg is None:
elessair 0:f269e3021894 42 return selftest.RESULT_IO_SERIAL
elessair 0:f269e3021894 43 delay_time = time() - start
elessair 0:f269e3021894 44 selftest.notify(serial_stdio_msg.strip())
elessair 0:f269e3021894 45
elessair 0:f269e3021894 46 # Searching for reply with scanned values
elessair 0:f269e3021894 47 m = self.re_detect_int_value.search(serial_stdio_msg)
elessair 0:f269e3021894 48 if m and len(m.groups()):
elessair 0:f269e3021894 49 int_value = m.groups()[0]
elessair 0:f269e3021894 50 int_value_cmp = random_integer == int(int_value)
elessair 0:f269e3021894 51 test_result = test_result and int_value_cmp
elessair 0:f269e3021894 52 selftest.notify("HOST: Number %s read after %.3f sec ... [%s]"% (int_value, delay_time, "OK" if int_value_cmp else "FAIL"))
elessair 0:f269e3021894 53 else:
elessair 0:f269e3021894 54 test_result = False
elessair 0:f269e3021894 55 break
elessair 0:f269e3021894 56 return selftest.RESULT_SUCCESS if test_result else selftest.RESULT_FAILURE