ceph/src/dpdk/app/cmdline_test/cmdline_test.py

   1 #!/usr/bin/python
   2
   3 #   BSD LICENSE
   4 #
   5 #   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   6 #   All rights reserved.
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   8 #   Redistribution and use in source and binary forms, with or without
   9 #   modification, are permitted provided that the following conditions
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  11 #
  12 #     * Redistributions of source code must retain the above copyright
  13 #       notice, this list of conditions and the following disclaimer.
  14 #     * Redistributions in binary form must reproduce the above copyright
  15 #       notice, this list of conditions and the following disclaimer in
  16 #       the documentation and/or other materials provided with the
  17 #       distribution.
  18 #     * Neither the name of Intel Corporation nor the names of its
  19 #       contributors may be used to endorse or promote products derived
  20 #       from this software without specific prior written permission.
  21 #
  22 #   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  23 #   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  24 #   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  25 #   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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  32 #   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  33
  34 # Script that runs cmdline_test app and feeds keystrokes into it.
  35
  36 import sys, pexpect, string, os, cmdline_test_data
  37
  38 #
  39 # function to run test
  40 #
  41 def runTest(child,test):
  42         child.send(test["Sequence"])
  43         if test["Result"] == None:
  44                 return 0
  45         child.expect(test["Result"],1)
  46
  47 #
  48 # history test is a special case
  49 #
  50 # This test does the following:
  51 # 1) fills the history with garbage up to its full capacity
  52 #    (just enough to remove last entry)
  53 # 2) scrolls back history to the very beginning
  54 # 3) checks if the output is as expected, that is, the first
  55 #    number in the sequence (not the last entry before it)
  56 #
  57 # This is a self-contained test, it needs only a pexpect child
  58 #
  59 def runHistoryTest(child):
  60         # find out history size
  61         child.sendline(cmdline_test_data.CMD_GET_BUFSIZE)
  62         child.expect("History buffer size: \\d+", timeout=1)
  63         history_size = int(child.after[len(cmdline_test_data.BUFSIZE_TEMPLATE):])
  64         i = 0
  65
  66         # fill the history with numbers
  67         while i < history_size / 10:
  68                 # add 1 to prevent from parsing as octals
  69                 child.send("1" + str(i).zfill(8) + cmdline_test_data.ENTER)
  70                 # the app will simply print out the number
  71                 child.expect(str(i + 100000000), timeout=1)
  72                 i += 1
  73         # scroll back history
  74         child.send(cmdline_test_data.UP * (i + 2) + cmdline_test_data.ENTER)
  75         child.expect("100000000", timeout=1)
  76
  77 # the path to cmdline_test executable is supplied via command-line.
  78 if len(sys.argv) < 2:
  79         print "Error: please supply cmdline_test app path"
  80         sys.exit(1)
  81
  82 test_app_path = sys.argv[1]
  83
  84 if not os.path.exists(test_app_path):
  85         print "Error: please supply cmdline_test app path"
  86         sys.exit(1)
  87
  88 child = pexpect.spawn(test_app_path)
  89
  90 print "Running command-line tests..."
  91 for test in cmdline_test_data.tests:
  92         print (test["Name"] + ":").ljust(30),
  93         try:
  94                 runTest(child,test)
  95                 print "PASS"
  96         except:
  97                 print "FAIL"
  98                 print child
  99                 sys.exit(1)
 100
 101 # since last test quits the app, run new instance
 102 child = pexpect.spawn(test_app_path)
 103
 104 print ("History fill test:").ljust(30),
 105 try:
 106         runHistoryTest(child)
 107         print "PASS"
 108 except:
 109         print "FAIL"
 110         print child
 111         sys.exit(1)
 112 child.close()
 113 sys.exit(0)