Brian Daniels / mbed-tools

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Fork of mbed-tools by Morpheus

host_tests/stdio_auto.py@0:4a2e5f0422d6, 2016-03-30 (annotated)

Committer:
screamer
Date:
Wed Mar 30 16:23:44 2016 +0000
Revision:
0:4a2e5f0422d6
Initial revision

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:4a2e5f0422d6 1 """
screamer 0:4a2e5f0422d6 2 mbed SDK
screamer 0:4a2e5f0422d6 3 Copyright (c) 2011-2013 ARM Limited
screamer 0:4a2e5f0422d6 4
screamer 0:4a2e5f0422d6 5 Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:4a2e5f0422d6 6 you may not use this file except in compliance with the License.
screamer 0:4a2e5f0422d6 7 You may obtain a copy of the License at
screamer 0:4a2e5f0422d6 8
screamer 0:4a2e5f0422d6 9 http://www.apache.org/licenses/LICENSE-2.0
screamer 0:4a2e5f0422d6 10
screamer 0:4a2e5f0422d6 11 Unless required by applicable law or agreed to in writing, software
screamer 0:4a2e5f0422d6 12 distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:4a2e5f0422d6 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:4a2e5f0422d6 14 See the License for the specific language governing permissions and
screamer 0:4a2e5f0422d6 15 limitations under the License.
screamer 0:4a2e5f0422d6 16 """
screamer 0:4a2e5f0422d6 17
screamer 0:4a2e5f0422d6 18 import re
screamer 0:4a2e5f0422d6 19 import random
screamer 0:4a2e5f0422d6 20 from time import time
screamer 0:4a2e5f0422d6 21
screamer 0:4a2e5f0422d6 22 class StdioTest():
screamer 0:4a2e5f0422d6 23 PATTERN_INT_VALUE = "Your value was: (-?\d+)"
screamer 0:4a2e5f0422d6 24 re_detect_int_value = re.compile(PATTERN_INT_VALUE)
screamer 0:4a2e5f0422d6 25
screamer 0:4a2e5f0422d6 26 def test(self, selftest):
screamer 0:4a2e5f0422d6 27 test_result = True
screamer 0:4a2e5f0422d6 28
screamer 0:4a2e5f0422d6 29 c = selftest.mbed.serial_readline() # {{start}} preamble
screamer 0:4a2e5f0422d6 30 if c is None:
screamer 0:4a2e5f0422d6 31 return selftest.RESULT_IO_SERIAL
screamer 0:4a2e5f0422d6 32 selftest.notify(c)
screamer 0:4a2e5f0422d6 33
screamer 0:4a2e5f0422d6 34 for i in range(0, 10):
screamer 0:4a2e5f0422d6 35 random_integer = random.randint(-99999, 99999)
screamer 0:4a2e5f0422d6 36 selftest.notify("HOST: Generated number: " + str(random_integer))
screamer 0:4a2e5f0422d6 37 start = time()
screamer 0:4a2e5f0422d6 38 selftest.mbed.serial_write(str(random_integer) + "\n")
screamer 0:4a2e5f0422d6 39
screamer 0:4a2e5f0422d6 40 serial_stdio_msg = selftest.mbed.serial_readline()
screamer 0:4a2e5f0422d6 41 if serial_stdio_msg is None:
screamer 0:4a2e5f0422d6 42 return selftest.RESULT_IO_SERIAL
screamer 0:4a2e5f0422d6 43 delay_time = time() - start
screamer 0:4a2e5f0422d6 44 selftest.notify(serial_stdio_msg.strip())
screamer 0:4a2e5f0422d6 45
screamer 0:4a2e5f0422d6 46 # Searching for reply with scanned values
screamer 0:4a2e5f0422d6 47 m = self.re_detect_int_value.search(serial_stdio_msg)
screamer 0:4a2e5f0422d6 48 if m and len(m.groups()):
screamer 0:4a2e5f0422d6 49 int_value = m.groups()[0]
screamer 0:4a2e5f0422d6 50 int_value_cmp = random_integer == int(int_value)
screamer 0:4a2e5f0422d6 51 test_result = test_result and int_value_cmp
screamer 0:4a2e5f0422d6 52 selftest.notify("HOST: Number %s read after %.3f sec ... [%s]"% (int_value, delay_time, "OK" if int_value_cmp else "FAIL"))
screamer 0:4a2e5f0422d6 53 else:
screamer 0:4a2e5f0422d6 54 test_result = False
screamer 0:4a2e5f0422d6 55 break
screamer 0:4a2e5f0422d6 56 return selftest.RESULT_SUCCESS if test_result else selftest.RESULT_FAILURE