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 testchardev1",
  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     "dump-guest-memory /dev/null",
  39     "gdbserver",
  40     "host_net_add user id=net0",
  41     "hostfwd_add tcp::43210-:43210",
  42     "hostfwd_remove tcp::43210-:43210",
  43     "host_net_remove 0 net0",
  44     "i /w 0",
  45     "log all",
  46     "log none",
  47     "memsave 0 4096 \"/dev/null\"",
  48     "migrate_set_cache_size 1",
  49     "migrate_set_downtime 1",
  50     "migrate_set_speed 1",
  51     "netdev_add user,id=net1",
  52     "set_link net1 off",
  53     "set_link net1 on",
  54     "netdev_del net1",
  55     "nmi",
  56     "o /w 0 0x1234",
  57     "object_add memory-backend-ram,id=mem1,size=256M",
  58     "object_del mem1",
  59     "pmemsave 0 4096 \"/dev/null\"",
  60     "p $pc + 8",
  61     "qom-list /",
  62     "qom-set /machine initrd test",
  63     "screendump /dev/null",
  64     "sendkey x",
  65     "singlestep on",
  66     "wavcapture /dev/null",
  67     "stopcapture 0",
  68     "sum 0 512",
  69     "x /8i 0x100",
  70     "xp /16x 0",
  71     NULL
  72 };
  73
  74 /* Run through the list of pre-defined commands */
  75 static void test_commands(void)
  76 {
  77     char *response;
  78     int i;
  79
  80     for (i = 0; hmp_cmds[i] != NULL; i++) {
  81         if (verbose) {
  82             fprintf(stderr, "\t%s\n", hmp_cmds[i]);
  83         }
  84         response = hmp("%s", hmp_cmds[i]);
  85         g_free(response);
  86     }
  87
  88 }
  89
  90 /* Run through all info commands and call them blindly (without arguments) */
  91 static void test_info_commands(void)
  92 {
  93     char *resp, *info, *info_buf, *endp;
  94
  95     info_buf = info = hmp("help info");
  96
  97     while (*info) {
  98         /* Extract the info command, ignore parameters and description */
  99         g_assert(strncmp(info, "info ", 5) == 0);
 100         endp = strchr(&info[5], ' ');
 101         g_assert(endp != NULL);
 102         *endp = '\0';
 103         /* Now run the info command */
 104         if (verbose) {
 105             fprintf(stderr, "\t%s\n", info);
 106         }
 107         resp = hmp("%s", info);
 108         g_free(resp);
 109         /* And move forward to the next line */
 110         info = strchr(endp + 1, '\n');
 111         if (!info) {
 112             break;
 113         }
 114         info += 1;
 115     }
 116
 117     g_free(info_buf);
 118 }
 119
 120 static void test_machine(gconstpointer data)
 121 {
 122     const char *machine = data;
 123     char *args;
 124
 125     args = g_strdup_printf("-S -M %s", machine);
 126     qtest_start(args);
 127
 128     test_info_commands();
 129     test_commands();
 130
 131     qtest_end();
 132     g_free(args);
 133     g_free((void *)data);
 134 }
 135
 136 static void add_machine_test_case(const char *mname)
 137 {
 138     char *path;
 139
 140     /* Ignore blacklisted machines that have known problems */
 141     if (!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     /* as none machine has no memory by default, add a test case with memory */
 163     qtest_add_data_func("hmp/none+2MB", g_strdup("none -m 2"), test_machine);
 164
 165     return g_test_run();
 166 }