tests/test-hmp.c

   1 /*
   2  * Test HMP commands.
   3  *
   4  * Copyright (c) 2017 Red Hat Inc.
   5  *
   6  * Author:
   7  *    Thomas Huth <thuth@redhat.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2
  10  * or later. See the COPYING file in the top-level directory.
  11  *
  12  * This test calls some HMP commands for all machines that the current
  13  * QEMU binary provides, to check whether they terminate successfully
  14  * (i.e. do not crash QEMU).
  15  */
  16
  17 #include "qemu/osdep.h"
  18 #include "libqtest.h"
  19
  20 static int verbose;
  21
  22 static const char *hmp_cmds[] = {
  23     "boot_set ndc",
  24     "chardev-add null,id=testchardev1",
  25     "chardev-send-break testchardev2",
  26     "chardev-change testchardev1 ringbuf",
  27     "chardev-remove testchardev1",
  28     "commit all",
  29     "cpu-add 1",
  30     "cpu 0",
  31     "device_add ?",
  32     "device_add usb-mouse,id=mouse1",
  33     "mouse_button 7",
  34     "mouse_move 10 10",
  35     "mouse_button 0",
  36     "device_del mouse1",
  37     "dump-guest-memory /dev/null 0 4096",
  38     "gdbserver",
  39     "host_net_add user id=net0",
  40     "hostfwd_add tcp::43210-:43210",
  41     "hostfwd_remove tcp::43210-:43210",
  42     "host_net_remove 0 net0",
  43     "i /w 0",
  44     "log all",
  45     "log none",
  46     "memsave 0 4096 \"/dev/null\"",
  47     "migrate_set_cache_size 1",
  48     "migrate_set_downtime 1",
  49     "migrate_set_speed 1",
  50     "netdev_add user,id=net1",
  51     "set_link net1 off",
  52     "set_link net1 on",
  53     "netdev_del net1",
  54     "nmi",
  55     "o /w 0 0x1234",
  56     "object_add memory-backend-ram,id=mem1,size=256M",
  57     "object_del mem1",
  58     "pmemsave 0 4096 \"/dev/null\"",
  59     "p $pc + 8",
  60     "qom-list /",
  61     "qom-set /machine initrd test",
  62     "screendump /dev/null",
  63     "sendkey x",
  64     "singlestep on",
  65     "wavcapture /dev/null",
  66     "stopcapture 0",
  67     "sum 0 512",
  68     "x /8i 0x100",
  69     "xp /16x 0",
  70     NULL
  71 };
  72
  73 /* Run through the list of pre-defined commands */
  74 static void test_commands(void)
  75 {
  76     char *response;
  77     int i;
  78
  79     for (i = 0; hmp_cmds[i] != NULL; i++) {
  80         if (verbose) {
  81             fprintf(stderr, "\t%s\n", hmp_cmds[i]);
  82         }
  83         response = hmp(hmp_cmds[i]);
  84         g_free(response);
  85     }
  86
  87 }
  88
  89 /* Run through all info commands and call them blindly (without arguments) */
  90 static void test_info_commands(void)
  91 {
  92     char *resp, *info, *info_buf, *endp;
  93
  94     info_buf = info = hmp("help info");
  95
  96     while (*info) {
  97         /* Extract the info command, ignore parameters and description */
  98         g_assert(strncmp(info, "info ", 5) == 0);
  99         endp = strchr(&info[5], ' ');
 100         g_assert(endp != NULL);
 101         *endp = '\0';
 102         /* Now run the info command */
 103         if (verbose) {
 104             fprintf(stderr, "\t%s\n", info);
 105         }
 106         resp = hmp(info);
 107         g_free(resp);
 108         /* And move forward to the next line */
 109         info = strchr(endp + 1, '\n');
 110         if (!info) {
 111             break;
 112         }
 113         info += 1;
 114     }
 115
 116     g_free(info_buf);
 117 }
 118
 119 static void test_machine(gconstpointer data)
 120 {
 121     const char *machine = data;
 122     char *args;
 123
 124     args = g_strdup_printf("-S -M %s", machine);
 125     qtest_start(args);
 126
 127     test_info_commands();
 128     test_commands();
 129
 130     qtest_end();
 131     g_free(args);
 132     g_free((void *)data);
 133 }
 134
 135 static void add_machine_test_case(const char *mname)
 136 {
 137     char *path;
 138
 139     /* Ignore blacklisted machines that have known problems */
 140     if (!strcmp("puv3", mname) || !strcmp("tricore_testboard", mname) ||
 141         !strcmp("xenfv", mname) || !strcmp("xenpv", mname)) {
 142         return;
 143     }
 144
 145     path = g_strdup_printf("hmp/%s", mname);
 146     qtest_add_data_func(path, g_strdup(mname), test_machine);
 147     g_free(path);
 148 }
 149
 150 int main(int argc, char **argv)
 151 {
 152     char *v_env = getenv("V");
 153
 154     if (v_env && *v_env >= '2') {
 155         verbose = true;
 156     }
 157
 158     g_test_init(&argc, &argv, NULL);
 159
 160     qtest_cb_for_every_machine(add_machine_test_case);
 161
 162     return g_test_run();
 163 }