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/* libguestfs
* Copyright (C) 2014-2019 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/**
* Unit tests of internal functions.
*
* These tests may use a libguestfs handle, but must not launch the
* handle. Also, avoid long-running tests.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include "qemuopts.h"
#define CHECK_ERROR(r,call,expr) \
do { \
if ((expr) == (r)) { \
perror (call); \
exit (EXIT_FAILURE); \
} \
} while (0)
int
main (int argc, char *argv[])
{
struct qemuopts *qopts;
FILE *fp;
char *actual;
size_t i, len;
char **actual_argv;
qopts = qemuopts_create ();
if (qemuopts_set_binary_by_arch (qopts, NULL) == -1) {
if (errno == ENXIO) {
fprintf (stderr, "qemuopts: This architecture does not support KVM.\n");
fprintf (stderr, "If this architecture *does* support KVM, then please modify qemuopts.c\n");
fprintf (stderr, "and send us a patch.\n");
exit (77); /* Skip the test. */
}
perror ("qemuopts_set_binary_by_arch");
exit (EXIT_FAILURE);
}
/* ... but for the purposes of testing, it's easier if we
* set this to a known string.
*/
CHECK_ERROR (-1, "qemuopts_set_binary",
qemuopts_set_binary (qopts, "qemu-system-x86_64"));
CHECK_ERROR (-1, "qemuopts_add_flag",
qemuopts_add_flag (qopts, "-no-user-config"));
CHECK_ERROR (-1, "qemuopts_add_arg",
qemuopts_add_arg (qopts, "-m", "1024"));
CHECK_ERROR (-1, "qemuopts_add_arg_format",
qemuopts_add_arg_format (qopts, "-smp", "%d", 4));
CHECK_ERROR (-1, "qemuopts_start_arg_list",
qemuopts_start_arg_list (qopts, "-drive"));
CHECK_ERROR (-1, "qemuopts_append_arg_list",
qemuopts_append_arg_list (qopts, "file=/tmp/foo"));
CHECK_ERROR (-1, "qemuopts_append_arg_list_format",
qemuopts_append_arg_list_format (qopts, "if=%s", "ide"));
CHECK_ERROR (-1, "qemuopts_end_arg_list",
qemuopts_end_arg_list (qopts));
CHECK_ERROR (-1, "qemuopts_add_arg_list",
qemuopts_add_arg_list (qopts, "-drive",
"file=/tmp/bar", "serial=123",
NULL));
/* Test qemu comma-quoting. */
CHECK_ERROR (-1, "qemuopts_add_arg",
qemuopts_add_arg (qopts, "-name", "foo,bar"));
CHECK_ERROR (-1, "qemuopts_add_arg_list",
qemuopts_add_arg_list (qopts, "-drive",
"file=comma,in,name",
"serial=$dollar$",
NULL));
/* Test shell quoting. */
CHECK_ERROR (-1, "qemuopts_add_arg",
qemuopts_add_arg (qopts, "-cdrom", "\"$quoted\".iso"));
fp = open_memstream (&actual, &len);
if (fp == NULL) {
perror ("open_memstream");
exit (EXIT_FAILURE);
}
CHECK_ERROR (-1, "qemuopts_to_channel",
qemuopts_to_channel (qopts, fp));
if (fclose (fp) == EOF) {
perror ("fclose");
exit (EXIT_FAILURE);
}
const char *expected =
"qemu-system-x86_64 \\\n"
" -no-user-config \\\n"
" -m 1024 \\\n"
" -smp 4 \\\n"
" -drive file=/tmp/foo,if=ide \\\n"
" -drive file=/tmp/bar,serial=123 \\\n"
" -name \"foo,,bar\" \\\n"
" -drive \"file=comma,,in,,name\",\"serial=\\$dollar\\$\" \\\n"
" -cdrom \"\\\"\\$quoted\\\".iso\"\n";
if (strcmp (actual, expected) != 0) {
fprintf (stderr, "qemuopts: Serialized qemu command line does not match expected\n");
fprintf (stderr, "Actual:\n%s", actual);
fprintf (stderr, "Expected:\n%s", expected);
exit (EXIT_FAILURE);
}
free (actual);
/* Test qemuopts_to_argv. */
CHECK_ERROR (NULL, "qemuopts_to_argv",
actual_argv = qemuopts_to_argv (qopts));
const char *expected_argv[] = {
"qemu-system-x86_64",
"-no-user-config",
"-m", "1024",
"-smp", "4",
"-drive", "file=/tmp/foo,if=ide",
"-drive", "file=/tmp/bar,serial=123",
"-name", "foo,,bar",
"-drive", "file=comma,,in,,name,serial=$dollar$",
"-cdrom", "\"$quoted\".iso",
NULL
};
for (i = 0; actual_argv[i] != NULL; ++i) {
if (expected_argv[i] == NULL ||
strcmp (actual_argv[i], expected_argv[i])) {
fprintf (stderr, "qemuopts: actual != expected argv at position %zu, %s != %s\n",
i, actual_argv[i], expected_argv[i]);
exit (EXIT_FAILURE);
}
}
assert (expected_argv[i] == NULL);
for (i = 0; actual_argv[i] != NULL; ++i)
free (actual_argv[i]);
free (actual_argv);
qemuopts_free (qopts);
/* Test qemuopts_to_config_channel. */
qopts = qemuopts_create ();
CHECK_ERROR (-1, "qemuopts_start_arg_list",
qemuopts_start_arg_list (qopts, "-drive"));
CHECK_ERROR (-1, "qemuopts_append_arg_list",
qemuopts_append_arg_list (qopts, "file=/tmp/foo"));
CHECK_ERROR (-1, "qemuopts_append_arg_list",
qemuopts_append_arg_list (qopts, "id=id"));
CHECK_ERROR (-1, "qemuopts_append_arg_list_format",
qemuopts_append_arg_list_format (qopts, "if=%s", "ide"));
CHECK_ERROR (-1, "qemuopts_append_arg_list_format",
qemuopts_append_arg_list_format (qopts, "bool"));
CHECK_ERROR (-1, "qemuopts_end_arg_list",
qemuopts_end_arg_list (qopts));
CHECK_ERROR (-1, "qemuopts_add_arg_list",
qemuopts_add_arg_list (qopts, "-drive",
"file=/tmp/bar", "serial=123",
NULL));
fp = open_memstream (&actual, &len);
if (fp == NULL) {
perror ("open_memstream");
exit (EXIT_FAILURE);
}
CHECK_ERROR (-1, "qemuopts_to_config_channel",
qemuopts_to_config_channel (qopts, fp));
if (fclose (fp) == EOF) {
perror ("fclose");
exit (EXIT_FAILURE);
}
const char *expected2 =
"# qemu config file\n"
"\n"
"[drive \"id\"]\n"
" file = \"/tmp/foo\"\n"
" if = \"ide\"\n"
" bool = \"on\"\n"
"\n"
"[drive]\n"
" file = \"/tmp/bar\"\n"
" serial = \"123\"\n"
"\n";
if (strcmp (actual, expected2) != 0) {
fprintf (stderr, "qemuopts: Serialized qemu command line does not match expected\n");
fprintf (stderr, "Actual:\n%s", actual);
fprintf (stderr, "Expected:\n%s", expected2);
exit (EXIT_FAILURE);
}
free (actual);
qemuopts_free (qopts);
exit (EXIT_SUCCESS);
}
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