Anders Blomdell / mbed-sdk-tools

Clone of official tools

host_tests/dev_null_auto.py@47:21ae3e5a7128, 2021-02-04 (annotated)

Committer:
Anders Blomdell
Date:
Thu Feb 04 17:17:13 2021 +0100
Revision:
47:21ae3e5a7128
Parent:
0:66f3b5499f7f 
Add a few normpath calls

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:66f3b5499f7f 1 """
screamer 0:66f3b5499f7f 2 mbed SDK
screamer 0:66f3b5499f7f 3 Copyright (c) 2011-2013 ARM Limited
screamer 0:66f3b5499f7f 4
screamer 0:66f3b5499f7f 5 Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:66f3b5499f7f 6 you may not use this file except in compliance with the License.
screamer 0:66f3b5499f7f 7 You may obtain a copy of the License at
screamer 0:66f3b5499f7f 8
screamer 0:66f3b5499f7f 9 http://www.apache.org/licenses/LICENSE-2.0
screamer 0:66f3b5499f7f 10
screamer 0:66f3b5499f7f 11 Unless required by applicable law or agreed to in writing, software
screamer 0:66f3b5499f7f 12 distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:66f3b5499f7f 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:66f3b5499f7f 14 See the License for the specific language governing permissions and
screamer 0:66f3b5499f7f 15 limitations under the License.
screamer 0:66f3b5499f7f 16 """
screamer 0:66f3b5499f7f 17
screamer 0:66f3b5499f7f 18 class DevNullTest():
screamer 0:66f3b5499f7f 19
screamer 0:66f3b5499f7f 20 def check_readline(self, selftest, text):
screamer 0:66f3b5499f7f 21 """ Reads line from serial port and checks if text was part of read string
screamer 0:66f3b5499f7f 22 """
screamer 0:66f3b5499f7f 23 result = False
screamer 0:66f3b5499f7f 24 c = selftest.mbed.serial_readline()
screamer 0:66f3b5499f7f 25 if c and text in c:
screamer 0:66f3b5499f7f 26 result = True
screamer 0:66f3b5499f7f 27 return result
screamer 0:66f3b5499f7f 28
screamer 0:66f3b5499f7f 29 def test(self, selftest):
screamer 0:66f3b5499f7f 30 result = True
screamer 0:66f3b5499f7f 31 # Test should print some text and later stop printing
screamer 0:66f3b5499f7f 32 # 'MBED: re-routing stdout to /null'
screamer 0:66f3b5499f7f 33 res = self.check_readline(selftest, "re-routing stdout to /null")
screamer 0:66f3b5499f7f 34 if not res:
screamer 0:66f3b5499f7f 35 # We haven't read preamble line
screamer 0:66f3b5499f7f 36 result = False
screamer 0:66f3b5499f7f 37 else:
screamer 0:66f3b5499f7f 38 # Check if there are printed characters
screamer 0:66f3b5499f7f 39 str = ''
screamer 0:66f3b5499f7f 40 for i in range(3):
screamer 0:66f3b5499f7f 41 c = selftest.mbed.serial_read(32)
screamer 0:66f3b5499f7f 42 if c is None:
screamer 0:66f3b5499f7f 43 return selftest.RESULT_IO_SERIAL
screamer 0:66f3b5499f7f 44 else:
screamer 0:66f3b5499f7f 45 str += c
screamer 0:66f3b5499f7f 46 if len(str) > 0:
screamer 0:66f3b5499f7f 47 result = False
screamer 0:66f3b5499f7f 48 break
screamer 0:66f3b5499f7f 49 selftest.notify("Received %d bytes: %s"% (len(str), str))
screamer 0:66f3b5499f7f 50 return selftest.RESULT_SUCCESS if result else selftest.RESULT_FAILURE