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test: move tests for libudev into src/libudev

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This commit is contained in:
Yu Watanabe
2021-01-19 07:04:19 +09:00
parent cf2423503b
commit 261fc53b99
3 changed files with 4 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/test/meson.build
+4 -6
View File
@@ -734,11 +734,10 @@ tests += [
[],
[]],
[['src/test/test-libudev.c'],
[['src/libudev/test-libudev.c'],
[libshared,
libudev_static],
[],
'', '', [], libudev_includes],
[]],
[['src/test/test-udev.c'],
[libudevd_core,
@@ -1048,12 +1047,11 @@ tests += [
libsystemd],
[threads]],
[['src/libsystemd/sd-device/test-udev-device-thread.c'],
[['src/libudev/test-udev-device-thread.c'],
[libbasic,
libshared_static,
libudev],
[threads],
'', '', [], libudev_includes],
[threads]],
[['src/libsystemd/sd-device/test-sd-device-monitor.c'],
[],
src/test/test-libudev.c
-495
View File
@@ -1,495 +0,0 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <errno.h>
#include <getopt.h>
#include <sys/epoll.h>
#include <unistd.h>
#include "alloc-util.h"
#include "build.h"
#include "fd-util.h"
#include "libudev-list-internal.h"
#include "libudev-util.h"
#include "log.h"
#include "main-func.h"
#include "stdio-util.h"
#include "string-util.h"
#include "tests.h"
static bool arg_monitor = false;
static void print_device(struct udev_device *device) {
const char *str;
dev_t devnum;
int count;
struct udev_list_entry *list_entry;
log_info("*** device: %p ***", device);
str = udev_device_get_action(device);
if (str)
log_info("action: '%s'", str);
str = udev_device_get_syspath(device);
log_info("syspath: '%s'", str);
str = udev_device_get_sysname(device);
log_info("sysname: '%s'", str);
str = udev_device_get_sysnum(device);
if (str)
log_info("sysnum: '%s'", str);
str = udev_device_get_devpath(device);
log_info("devpath: '%s'", str);
str = udev_device_get_subsystem(device);
if (str)
log_info("subsystem: '%s'", str);
str = udev_device_get_devtype(device);
if (str)
log_info("devtype: '%s'", str);
str = udev_device_get_driver(device);
if (str)
log_info("driver: '%s'", str);
str = udev_device_get_devnode(device);
if (str)
log_info("devname: '%s'", str);
devnum = udev_device_get_devnum(device);
if (major(devnum) > 0)
log_info("devnum: %u:%u", major(devnum), minor(devnum));
count = 0;
udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
log_info("link: '%s'", udev_list_entry_get_name(list_entry));
count++;
}
if (count > 0)
log_info("found %i links", count);
count = 0;
udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) {
log_info("property: '%s=%s'",
udev_list_entry_get_name(list_entry),
udev_list_entry_get_value(list_entry));
count++;
}
if (count > 0)
log_info("found %i properties", count);
str = udev_device_get_property_value(device, "MAJOR");
if (str)
log_info("MAJOR: '%s'", str);
str = udev_device_get_sysattr_value(device, "dev");
if (str)
log_info("attr{dev}: '%s'", str);
}
static void test_device(struct udev *udev, const char *syspath) {
_cleanup_(udev_device_unrefp) struct udev_device *device;
log_info("/* %s, device %s */", __func__, syspath);
device = udev_device_new_from_syspath(udev, syspath);
if (device)
print_device(device);
else
log_warning_errno(errno, "udev_device_new_from_syspath: %m");
}
static void test_device_parents(struct udev *udev, const char *syspath) {
_cleanup_(udev_device_unrefp) struct udev_device *device;
struct udev_device *device_parent;
log_info("/* %s, device %s */", __func__, syspath);
device = udev_device_new_from_syspath(udev, syspath);
if (!device)
return;
log_info("looking at parents");
device_parent = device;
do {
print_device(device_parent);
device_parent = udev_device_get_parent(device_parent);
} while (device_parent != NULL);
log_info("looking at parents again");
device_parent = device;
do {
print_device(device_parent);
device_parent = udev_device_get_parent(device_parent);
} while (device_parent != NULL);
}
static void test_device_devnum(struct udev *udev) {
dev_t devnum = makedev(1, 3);
_cleanup_(udev_device_unrefp) struct udev_device *device;
log_info("/* %s, device %d:%d */", __func__, major(devnum), minor(devnum));
device = udev_device_new_from_devnum(udev, 'c', devnum);
if (device)
print_device(device);
else
log_warning_errno(errno, "udev_device_new_from_devnum: %m");
}
static void test_device_subsys_name(struct udev *udev, const char *subsys, const char *dev) {
_cleanup_(udev_device_unrefp) struct udev_device *device;
log_info("looking up device: '%s:%s'", subsys, dev);
device = udev_device_new_from_subsystem_sysname(udev, subsys, dev);
if (!device)
log_warning_errno(errno, "udev_device_new_from_subsystem_sysname: %m");
else
print_device(device);
}
static int enumerate_print_list(struct udev_enumerate *enumerate) {
struct udev_list_entry *list_entry;
int count = 0;
udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
struct udev_device *device;
device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
udev_list_entry_get_name(list_entry));
if (device) {
log_info("device: '%s' (%s)",
udev_device_get_syspath(device),
udev_device_get_subsystem(device));
udev_device_unref(device);
count++;
}
}
log_info("found %i devices", count);
return count;
}
static void test_monitor(struct udev *udev) {
_cleanup_(udev_monitor_unrefp) struct udev_monitor *udev_monitor;
_cleanup_close_ int fd_ep;
int fd_udev;
struct epoll_event ep_udev = {
.events = EPOLLIN,
}, ep_stdin = {
.events = EPOLLIN,
.data.fd = STDIN_FILENO,
};
log_info("/* %s */", __func__);
fd_ep = epoll_create1(EPOLL_CLOEXEC);
assert_se(fd_ep >= 0);
udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
assert_se(udev_monitor != NULL);
fd_udev = udev_monitor_get_fd(udev_monitor);
ep_udev.data.fd = fd_udev;
assert_se(udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "block", NULL) >= 0);
assert_se(udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "tty", NULL) >= 0);
assert_se(udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "usb", "usb_device") >= 0);
assert_se(udev_monitor_enable_receiving(udev_monitor) >= 0);
assert_se(epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) >= 0);
assert_se(epoll_ctl(fd_ep, EPOLL_CTL_ADD, STDIN_FILENO, &ep_stdin) >= 0);
for (;;) {
int fdcount;
struct epoll_event ev[4];
struct udev_device *device;
int i;
printf("waiting for events from udev, press ENTER to exit\n");
fdcount = epoll_wait(fd_ep, ev, ELEMENTSOF(ev), -1);
printf("epoll fd count: %i\n", fdcount);
for (i = 0; i < fdcount; i++) {
if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) {
device = udev_monitor_receive_device(udev_monitor);
if (!device) {
printf("no device from socket\n");
continue;
}
print_device(device);
udev_device_unref(device);
} else if (ev[i].data.fd == STDIN_FILENO && ev[i].events & EPOLLIN) {
printf("exiting loop\n");
return;
}
}
}
}
static void test_queue(struct udev *udev) {
struct udev_queue *udev_queue;
bool empty;
log_info("/* %s */", __func__);
assert_se(udev_queue = udev_queue_new(udev));
empty = udev_queue_get_queue_is_empty(udev_queue);
log_info("queue is %s", empty ? "empty" : "not empty");
udev_queue_unref(udev_queue);
}
static int test_enumerate(struct udev *udev, const char *subsystem) {
struct udev_enumerate *udev_enumerate;
int r;
log_info("/* %s */", __func__);
log_info("enumerate '%s'", subsystem == NULL ? "<all>" : subsystem);
udev_enumerate = udev_enumerate_new(udev);
if (!udev_enumerate)
return -1;
udev_enumerate_add_match_subsystem(udev_enumerate, subsystem);
udev_enumerate_scan_devices(udev_enumerate);
enumerate_print_list(udev_enumerate);
udev_enumerate_unref(udev_enumerate);
log_info("enumerate 'net' + duplicated scan + null + zero");
udev_enumerate = udev_enumerate_new(udev);
if (!udev_enumerate)
return -1;
udev_enumerate_add_match_subsystem(udev_enumerate, "net");
udev_enumerate_scan_devices(udev_enumerate);
udev_enumerate_scan_devices(udev_enumerate);
udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
udev_enumerate_scan_devices(udev_enumerate);
enumerate_print_list(udev_enumerate);
udev_enumerate_unref(udev_enumerate);
log_info("enumerate 'block'");
udev_enumerate = udev_enumerate_new(udev);
if (!udev_enumerate)
return -1;
udev_enumerate_add_match_subsystem(udev_enumerate,"block");
r = udev_enumerate_add_match_is_initialized(udev_enumerate);
if (r < 0) {
udev_enumerate_unref(udev_enumerate);
return r;
}
udev_enumerate_scan_devices(udev_enumerate);
enumerate_print_list(udev_enumerate);
udev_enumerate_unref(udev_enumerate);
log_info("enumerate 'not block'");
udev_enumerate = udev_enumerate_new(udev);
if (!udev_enumerate)
return -1;
udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block");
udev_enumerate_scan_devices(udev_enumerate);
enumerate_print_list(udev_enumerate);
udev_enumerate_unref(udev_enumerate);
log_info("enumerate 'pci, mem, vc'");
udev_enumerate = udev_enumerate_new(udev);
if (!udev_enumerate)
return -1;
udev_enumerate_add_match_subsystem(udev_enumerate, "pci");
udev_enumerate_add_match_subsystem(udev_enumerate, "mem");
udev_enumerate_add_match_subsystem(udev_enumerate, "vc");
udev_enumerate_scan_devices(udev_enumerate);
enumerate_print_list(udev_enumerate);
udev_enumerate_unref(udev_enumerate);
log_info("enumerate 'subsystem'");
udev_enumerate = udev_enumerate_new(udev);
if (!udev_enumerate)
return -1;
udev_enumerate_scan_subsystems(udev_enumerate);
enumerate_print_list(udev_enumerate);
udev_enumerate_unref(udev_enumerate);
log_info("enumerate 'property IF_FS_*=filesystem'");
udev_enumerate = udev_enumerate_new(udev);
if (!udev_enumerate)
return -1;
udev_enumerate_add_match_property(udev_enumerate, "ID_FS*", "filesystem");
udev_enumerate_scan_devices(udev_enumerate);
enumerate_print_list(udev_enumerate);
udev_enumerate_unref(udev_enumerate);
return 0;
}
static void test_hwdb(struct udev *udev, const char *modalias) {
struct udev_hwdb *hwdb;
struct udev_list_entry *entry;
log_info("/* %s */", __func__);
hwdb = udev_hwdb_new(udev);
if (!hwdb)
log_warning_errno(errno, "Failed to open hwdb: %m");
udev_list_entry_foreach(entry, udev_hwdb_get_properties_list_entry(hwdb, modalias, 0))
log_info("'%s'='%s'", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry));
hwdb = udev_hwdb_unref(hwdb);
assert_se(hwdb == NULL);
}
static void test_list(void) {
_cleanup_(udev_list_freep) struct udev_list *list = NULL;
struct udev_list_entry *e;
/* empty list */
assert_se(list = udev_list_new(false));
assert_se(!udev_list_get_entry(list));
list = udev_list_free(list);
/* unique == false */
assert_se(list = udev_list_new(false));
assert_se(udev_list_entry_add(list, "aaa", "hoge"));
assert_se(udev_list_entry_add(list, "aaa", "hogehoge"));
assert_se(udev_list_entry_add(list, "bbb", "foo"));
e = udev_list_get_entry(list);
assert_se(e);
assert_se(streq_ptr(udev_list_entry_get_name(e), "aaa"));
assert_se(streq_ptr(udev_list_entry_get_value(e), "hoge"));
e = udev_list_entry_get_next(e);
assert_se(e);
assert_se(streq_ptr(udev_list_entry_get_name(e), "aaa"));
assert_se(streq_ptr(udev_list_entry_get_value(e), "hogehoge"));
e = udev_list_entry_get_next(e);
assert_se(e);
assert_se(streq_ptr(udev_list_entry_get_name(e), "bbb"));
assert_se(streq_ptr(udev_list_entry_get_value(e), "foo"));
assert_se(!udev_list_entry_get_next(e));
assert_se(!udev_list_entry_get_by_name(e, "aaa"));
assert_se(!udev_list_entry_get_by_name(e, "bbb"));
assert_se(!udev_list_entry_get_by_name(e, "ccc"));
list = udev_list_free(list);
/* unique == true */
assert_se(list = udev_list_new(true));
assert_se(udev_list_entry_add(list, "aaa", "hoge"));
assert_se(udev_list_entry_add(list, "aaa", "hogehoge"));
assert_se(udev_list_entry_add(list, "bbb", "foo"));
e = udev_list_get_entry(list);
assert_se(e);
assert_se(streq_ptr(udev_list_entry_get_name(e), "aaa"));
assert_se(streq_ptr(udev_list_entry_get_value(e), "hogehoge"));
e = udev_list_entry_get_next(e);
assert_se(streq_ptr(udev_list_entry_get_name(e), "bbb"));
assert_se(streq_ptr(udev_list_entry_get_value(e), "foo"));
assert_se(!udev_list_entry_get_next(e));
e = udev_list_entry_get_by_name(e, "bbb");
assert_se(e);
assert_se(streq_ptr(udev_list_entry_get_name(e), "bbb"));
assert_se(streq_ptr(udev_list_entry_get_value(e), "foo"));
e = udev_list_entry_get_by_name(e, "aaa");
assert_se(e);
assert_se(streq_ptr(udev_list_entry_get_name(e), "aaa"));
assert_se(streq_ptr(udev_list_entry_get_value(e), "hogehoge"));
assert_se(!udev_list_entry_get_by_name(e, "ccc"));
}
static int parse_args(int argc, char *argv[], const char **syspath, const char **subsystem) {
static const struct option options[] = {
{ "syspath", required_argument, NULL, 'p' },
{ "subsystem", required_argument, NULL, 's' },
{ "debug", no_argument, NULL, 'd' },
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
{ "monitor", no_argument, NULL, 'm' },
{}
};
int c;
while ((c = getopt_long(argc, argv, "p:s:dhVm", options, NULL)) >= 0)
switch (c) {
case 'p':
*syspath = optarg;
break;
case 's':
*subsystem = optarg;
break;
case 'd':
log_set_max_level(LOG_DEBUG);
break;
case 'h':
printf("--debug --syspath= --subsystem= --help\n");
return 0;
case 'V':
printf("%s\n", GIT_VERSION);
return 0;
case 'm':
arg_monitor = true;
break;
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option code.");
}
return 1;
}
static int run(int argc, char *argv[]) {
_cleanup_(udev_unrefp) struct udev *udev = NULL;
const char *syspath = "/devices/virtual/mem/null";
const char *subsystem = NULL;
int r;
test_setup_logging(LOG_INFO);
r = parse_args(argc, argv, &syspath, &subsystem);
if (r <= 0)
return r;
assert_se(udev = udev_new());
/* add sys path if needed */
if (!startswith(syspath, "/sys"))
syspath = strjoina("/sys/", syspath);
test_device(udev, syspath);
test_device_devnum(udev);
test_device_subsys_name(udev, "block", "sda");
test_device_subsys_name(udev, "subsystem", "pci");
test_device_subsys_name(udev, "drivers", "scsi:sd");
test_device_subsys_name(udev, "module", "printk");
test_device_parents(udev, syspath);
test_enumerate(udev, subsystem);
test_queue(udev);
test_hwdb(udev, "usb:v0D50p0011*");
if (arg_monitor)
test_monitor(udev);
test_list();
return 0;
}
DEFINE_MAIN_FUNCTION(run);