xref: /dpdk/app/test-cmdline/cmdline_test.py (revision 10b71caecbe1cddcbb65c050ca775fba575e88db)
1#!/usr/bin/env python
2# SPDX-License-Identifier: BSD-3-Clause
3# Copyright(c) 2010-2014 Intel Corporation
4
5# Script that runs cmdline_test app and feeds keystrokes into it.
6from __future__ import print_function
7import cmdline_test_data
8import os
9import pexpect
10import sys
11
12
13#
14# function to run test
15#
16def runTest(child, test):
17    child.send(test["Sequence"])
18    if test["Result"] is None:
19        return 0
20    child.expect(test["Result"], 1)
21
22if sys.version_info.major < 3:
23    print("WARNING: Python 2 is deprecated for use in DPDK, and will not work in future releases.", file=sys.stderr)
24    print("Please use Python 3 instead", file=sys.stderr)
25
26#
27# history test is a special case
28#
29# This test does the following:
30# 1) fills the history with garbage up to its full capacity
31#    (just enough to remove last entry)
32# 2) scrolls back history to the very beginning
33# 3) checks if the output is as expected, that is, the first
34#    number in the sequence (not the last entry before it)
35#
36# This is a self-contained test, it needs only a pexpect child
37#
38def runHistoryTest(child):
39    # find out history size
40    child.sendline(cmdline_test_data.CMD_GET_BUFSIZE)
41    child.expect("History buffer size: \\d+", timeout=1)
42    history_size = int(child.after[len(cmdline_test_data.BUFSIZE_TEMPLATE):])
43    i = 0
44
45    # fill the history with numbers
46    while i < history_size / 10:
47        # add 1 to prevent from parsing as octals
48        child.send("1" + str(i).zfill(8) + cmdline_test_data.ENTER)
49        # the app will simply print out the number
50        child.expect(str(i + 100000000), timeout=1)
51        i += 1
52    # scroll back history
53    child.send(cmdline_test_data.UP * (i + 2) + cmdline_test_data.ENTER)
54    child.expect("100000000", timeout=1)
55
56# the path to cmdline_test executable is supplied via command-line.
57if len(sys.argv) < 2:
58    print("Error: please supply cmdline_test app path")
59    sys.exit(1)
60
61test_app_path = sys.argv[1]
62
63if not os.path.exists(test_app_path):
64    print("Error: please supply cmdline_test app path")
65    sys.exit(1)
66
67child = pexpect.spawn(test_app_path)
68
69print("Running command-line tests...")
70for test in cmdline_test_data.tests:
71    testname = (test["Name"] + ":").ljust(30)
72    try:
73        runTest(child, test)
74        print(testname, "PASS")
75    except:
76        print(testname, "FAIL")
77        print(child)
78        sys.exit(1)
79
80# since last test quits the app, run new instance
81child = pexpect.spawn(test_app_path)
82
83testname = ("History fill test:").ljust(30)
84try:
85    runHistoryTest(child)
86    print(testname, "PASS")
87except:
88    print(testname, "FAIL")
89    print(child)
90    sys.exit(1)
91child.close()
92sys.exit(0)
93