xref: /dpdk/app/test-cmdline/cmdline_test.py (revision 3f6f83626cf4967a99382a6518a614a1bf3d2c20)
1#!/usr/bin/env python3
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.
6import cmdline_test_data
7import os
8import pexpect
9import sys
10
11
12#
13# function to run test
14#
15def runTest(child, test):
16    child.send(test["Sequence"])
17    if test["Result"] is None:
18        return 0
19    child.expect(test["Result"], 1)
20
21#
22# history test is a special case
23#
24# This test does the following:
25# 1) fills the history with garbage up to its full capacity
26#    (just enough to remove last entry)
27# 2) scrolls back history to the very beginning
28# 3) checks if the output is as expected, that is, the first
29#    number in the sequence (not the last entry before it)
30#
31# This is a self-contained test, it needs only a pexpect child
32#
33def runHistoryTest(child):
34    # find out history size
35    child.sendline(cmdline_test_data.CMD_GET_BUFSIZE)
36    child.expect("History buffer size: \\d+", timeout=1)
37    history_size = int(child.after[len(cmdline_test_data.BUFSIZE_TEMPLATE):])
38    i = 0
39
40    # fill the history with numbers
41    while i < history_size // 10:
42        # add 1 to prevent from parsing as octals
43        child.send("1" + str(i).zfill(8) + cmdline_test_data.ENTER)
44        # the app will simply print out the number
45        child.expect(str(i + 100000000), timeout=1)
46        i += 1
47    # scroll back history
48    child.send(cmdline_test_data.UP * (i + 2) + cmdline_test_data.ENTER)
49    child.expect("100000000", timeout=1)
50
51# the path to cmdline_test executable is supplied via command-line.
52if len(sys.argv) < 2:
53    print("Error: please supply cmdline_test app path")
54    sys.exit(1)
55
56test_app_path = sys.argv[1]
57
58if not os.path.exists(test_app_path):
59    print("Error: please supply cmdline_test app path")
60    sys.exit(1)
61
62child = pexpect.spawn(test_app_path)
63
64print("Running command-line tests...")
65for test in cmdline_test_data.tests:
66    testname = (test["Name"] + ":").ljust(30)
67    try:
68        runTest(child, test)
69        print(testname, "PASS")
70    except:
71        print(testname, "FAIL")
72        print(child)
73        sys.exit(1)
74
75# since last test quits the app, run new instance
76child = pexpect.spawn(test_app_path)
77
78testname = ("History fill test:").ljust(30)
79try:
80    runHistoryTest(child)
81    print(testname, "PASS")
82except:
83    print(testname, "FAIL")
84    print(child)
85    sys.exit(1)
86child.close()
87sys.exit(0)
88