Greg Steiert / maxim_dev

Maxim mbed development library

Dependents:   sensomed

tools/host_tests/dev_null_auto.py@0:0e018d759a2a, 2016-11-08 (annotated)

Committer:
switches
Date:
Tue Nov 08 18:27:11 2016 +0000
Revision:
0:0e018d759a2a
Initial commit

Who changed what in which revision?

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switches 0:0e018d759a2a 1 """
switches 0:0e018d759a2a 2 mbed SDK
switches 0:0e018d759a2a 3 Copyright (c) 2011-2013 ARM Limited
switches 0:0e018d759a2a 4
switches 0:0e018d759a2a 5 Licensed under the Apache License, Version 2.0 (the "License");
switches 0:0e018d759a2a 6 you may not use this file except in compliance with the License.
switches 0:0e018d759a2a 7 You may obtain a copy of the License at
switches 0:0e018d759a2a 8
switches 0:0e018d759a2a 9 http://www.apache.org/licenses/LICENSE-2.0
switches 0:0e018d759a2a 10
switches 0:0e018d759a2a 11 Unless required by applicable law or agreed to in writing, software
switches 0:0e018d759a2a 12 distributed under the License is distributed on an "AS IS" BASIS,
switches 0:0e018d759a2a 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
switches 0:0e018d759a2a 14 See the License for the specific language governing permissions and
switches 0:0e018d759a2a 15 limitations under the License.
switches 0:0e018d759a2a 16 """
switches 0:0e018d759a2a 17
switches 0:0e018d759a2a 18 class DevNullTest():
switches 0:0e018d759a2a 19
switches 0:0e018d759a2a 20 def check_readline(self, selftest, text):
switches 0:0e018d759a2a 21 """ Reads line from serial port and checks if text was part of read string
switches 0:0e018d759a2a 22 """
switches 0:0e018d759a2a 23 result = False
switches 0:0e018d759a2a 24 c = selftest.mbed.serial_readline()
switches 0:0e018d759a2a 25 if c and text in c:
switches 0:0e018d759a2a 26 result = True
switches 0:0e018d759a2a 27 return result
switches 0:0e018d759a2a 28
switches 0:0e018d759a2a 29 def test(self, selftest):
switches 0:0e018d759a2a 30 result = True
switches 0:0e018d759a2a 31 # Test should print some text and later stop printing
switches 0:0e018d759a2a 32 # 'MBED: re-routing stdout to /null'
switches 0:0e018d759a2a 33 res = self.check_readline(selftest, "re-routing stdout to /null")
switches 0:0e018d759a2a 34 if not res:
switches 0:0e018d759a2a 35 # We haven't read preamble line
switches 0:0e018d759a2a 36 result = False
switches 0:0e018d759a2a 37 else:
switches 0:0e018d759a2a 38 # Check if there are printed characters
switches 0:0e018d759a2a 39 str = ''
switches 0:0e018d759a2a 40 for i in range(3):
switches 0:0e018d759a2a 41 c = selftest.mbed.serial_read(32)
switches 0:0e018d759a2a 42 if c is None:
switches 0:0e018d759a2a 43 return selftest.RESULT_IO_SERIAL
switches 0:0e018d759a2a 44 else:
switches 0:0e018d759a2a 45 str += c
switches 0:0e018d759a2a 46 if len(str) > 0:
switches 0:0e018d759a2a 47 result = False
switches 0:0e018d759a2a 48 break
switches 0:0e018d759a2a 49 selftest.notify("Received %d bytes: %s"% (len(str), str))
switches 0:0e018d759a2a 50 return selftest.RESULT_SUCCESS if result else selftest.RESULT_FAILURE