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test-umockdev-record.vala
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test-umockdev-record.vala
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/*
* test-umockdev-record.vala
*
* Copyright (C) 2013 Canonical Ltd.
* Copyright (C) 2018 Martin Pitt
* Author: Martin Pitt <martin.pitt@ubuntu.com>
*
* umockdev is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* umockdev 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; If not, see <http://www.gnu.org/licenses/>.
*/
using Assertions;
string umockdev_record_path;
string umockdev_run_path;
string readbyte_path;
string rootdir;
int slow_testbed_factor = 1;
// wrappers to avoid "unhandled error" warnings
void
spawn (string command, out string sout, out string serr, out int exit)
{
try {
assert (Process.spawn_command_line_sync (command, out sout, out serr, out exit));
} catch (SpawnError e) {
error ("Cannot call '%s': %s", command, e.message);
}
}
static void
assert_in (string needle, string haystack)
{
if (!haystack.contains (needle)) {
stderr.printf ("'%s' not found in '%s'\n", needle, haystack);
Process.abort();
}
}
string
file_contents (string filename)
{
string contents;
try {
assert (FileUtils.get_contents (filename, out contents));
} catch (FileError e) {
error ("Cannot get contents of %s: %s", filename, e.message);
}
return contents;
}
// --all on empty testbed
static void
t_testbed_all_empty ()
{
string sout;
string serr;
int exit;
var tb = new UMockdev.Testbed ();
assert (tb != null);
spawn (umockdev_record_path + " --all", out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpstr (sout, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
}
// one device
static void
t_testbed_one ()
{
string sout;
string serr;
int exit;
var tb = new UMockdev.Testbed ();
var syspath = tb.add_devicev ("pci", "dev1", null,
{"simple_attr", "1",
"multiline_attr", "a\\b\nc\\d\nlast",
"knobs/red", "off"},
{"SIMPLE_PROP", "1"});
tb.set_attribute_binary (syspath, "binary_attr", {0x41, 0xFF, 0, 5, 0xFF, 0});
tb.set_attribute_link (syspath, "driver", "../../drivers/foo");
tb.set_attribute_link (syspath, "power/fiddle", "../some/where");
spawn (umockdev_record_path + " --all", out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, """P: /devices/dev1
E: SIMPLE_PROP=1
E: SUBSYSTEM=pci
H: binary_attr=41FF0005FF00
L: driver=../../drivers/foo
A: knobs/red=off
A: multiline_attr=a\\b\nc\\d\nlast
L: power/fiddle=../some/where
A: simple_attr=1
""");
}
// multiple devices
static void
t_testbed_multiple ()
{
string sout;
string serr;
int exit;
var tb = new UMockdev.Testbed ();
var dev1 = tb.add_devicev ("pci", "dev1", null,
{"dev1color", "green", "knobs/red", "off"},
{"DEV1COLOR", "GREEN"});
var subdev1 = tb.add_devicev ("pci", "subdev1", dev1, {"subdev1color", "yellow"},
{"SUBDEV1COLOR", "YELLOW"});
tb.add_devicev ("pci", "dev2", null, {"dev2color", "brown"}, {"DEV2COLOR", "BROWN"});
// should grab device and all parents
spawn (umockdev_record_path + " " + subdev1, out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, """P: /devices/dev1/subdev1
E: SUBDEV1COLOR=YELLOW
E: SUBSYSTEM=pci
A: subdev1color=yellow
P: /devices/dev1
E: DEV1COLOR=GREEN
E: SUBSYSTEM=pci
A: dev1color=green
A: knobs/red=off
""");
// only dev1
spawn (umockdev_record_path + " " + dev1, out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, """P: /devices/dev1
E: DEV1COLOR=GREEN
E: SUBSYSTEM=pci
A: dev1color=green
A: knobs/red=off
""");
// with --all it should have all three
spawn (umockdev_record_path + " --all", out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert (sout.contains ("P: /devices/dev1/subdev1\n"));
assert (sout.contains ("P: /devices/dev1\n"));
assert (sout.contains ("P: /devices/dev2\n"));
}
// tracing ioctls does not work in testbed
static void
t_testbed_no_ioctl_record ()
{
string sout;
string serr;
int exit;
var tb = new UMockdev.Testbed ();
tb.add_devicev ("mem", "zero", null, {"dev", "1:5"}, {});
spawn (umockdev_record_path + " --ioctl /sys/devices/zero=/dev/stdout -- " + readbyte_path + " /dev/zero",
out sout, out serr, out exit);
assert_cmpint (exit, Op.NE, 0);
assert_cmpstr (sout, Op.EQ, "");
assert (serr.contains ("UMOCKDEV_DIR cannot be used"));
}
static void
t_system_single ()
{
string sout;
string serr;
int exit;
if (!FileUtils.test("/sys/dev/char/1:3", FileTest.EXISTS)) {
stdout.printf ("[SKIP: no real /sys on this system] ");
stdout.flush ();
return;
}
spawn (umockdev_record_path + " /dev/null /dev/zero", out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_in("E: DEVNAME=/dev/null", sout);
assert_in("P: /devices/virtual/mem/null", sout);
assert_in("E: DEVNAME=/dev/zero", sout);
}
// system /sys: umockdev-record --all works and result loads back
static void
t_system_all ()
{
string sout;
string serr;
int exit;
if (!FileUtils.test("/sys/dev/char", FileTest.EXISTS)) {
stdout.printf ("[SKIP: no real /sys on this system] ");
stdout.flush ();
return;
}
if (Environment.get_variable ("INSTALLED_TEST") != null) {
stdout.printf ("[SKIP: brittle test] ");
stdout.flush ();
return;
}
spawn (umockdev_record_path + " --all", out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert (sout.has_prefix ("P:"));
assert_cmpint (sout.length, Op.GE, 100);
var tb = new UMockdev.Testbed ();
try {
assert (tb.add_from_string (sout));
} catch (UMockdev.Error e) {
error ("Error when adding system dump to testbed: %s", e.message);
}
}
static void
t_system_invalid ()
{
string sout;
string serr;
int exit;
if (!FileUtils.test("/sys/block/loop0", FileTest.EXISTS)) {
stdout.printf ("[SKIP: no real /sys on this system] ");
stdout.flush ();
return;
}
spawn (umockdev_record_path + " /sys/class", out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "Invalid device /sys/class, has no uevent attribute\n");
assert_cmpstr (sout, Op.EQ, "");
assert_cmpint (exit, Op.NE, 0);
spawn (umockdev_record_path + " /sys/block/loop0/size", out sout, out serr, out exit);
// the real path might vary
assert (serr.contains ("Invalid device"));
assert (serr.contains ("/block/loop0/size"));
assert (serr.contains ("has no uevent attribute"));
assert_cmpstr (sout, Op.EQ, "");
assert_cmpint (exit, Op.NE, 0);
}
/*
* umockdev-record --ioctl recording to a file
*
* Note that this cannot test actual ioctls, as we cannot rely on an USB device
* which accepts the ioctls that we can handle; but we can at least ensure that
* the preload lib gets loaded, the log gets created, and recording happens on
* the right device.
*/
static void
t_system_ioctl_log ()
{
string sout;
string serr;
int exit;
string workdir;
try {
workdir = DirUtils.make_tmp ("ioctl_log_test.XXXXXX");
} catch (Error e) { Process.abort (); }
string log = Path.build_filename (workdir, "log");
// should not log anything as that device is not touched
spawn (umockdev_record_path + " --ioctl=/dev/null=" + log + " -- " + readbyte_path + " /dev/zero",
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, "\0");
assert (!FileUtils.test (log, FileTest.EXISTS));
// this should create a log
spawn (umockdev_record_path + " --ioctl /dev/zero=" + log + " -- " + readbyte_path + " /dev/zero",
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, "\0");
assert (FileUtils.test (log, FileTest.EXISTS));
assert_cmpstr (file_contents (log), Op.EQ, "@DEV /dev/zero\n");
FileUtils.remove (log);
// invalid syntax
spawn (umockdev_record_path + " --ioctl /dev/null -- " + readbyte_path + " /dev/zero",
out sout, out serr, out exit);
assert_cmpint (exit, Op.NE, 1);
assert_cmpstr (sout, Op.EQ, "");
assert (serr.contains ("--ioctl"));
assert (serr.contains ("="));
assert (!FileUtils.test (log, FileTest.EXISTS));
DirUtils.remove (workdir);
}
static void
t_system_ioctl_log_append_dev_mismatch ()
{
string sout;
string serr;
int exit;
string log;
try {
FileUtils.close(FileUtils.open_tmp ("ioctl_log_test.XXXXXX", out log));
} catch (Error e) { Process.abort (); }
// should log the header plus one read
spawn (umockdev_record_path + " -i /dev/zero=" + log + " -- " + readbyte_path + " /dev/zero",
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, "\0");
string orig_contents = file_contents (log);
// should fail as it is a different device
spawn (umockdev_record_path + " -i /dev/null=" + log + " -- " + readbyte_path + " /dev/null",
out sout, out serr, out exit);
assert (serr.contains ("two different devices"));
assert_cmpint (exit, Op.EQ, 256);
assert_cmpstr (sout, Op.EQ, "\0");
// should not change original record
assert_cmpstr (file_contents (log), Op.EQ, orig_contents);
FileUtils.remove (log);
}
/*
* umockdev-record --script recording to a file, with simple "readbyte" command
*/
static void
t_system_script_log_simple ()
{
string sout;
string serr;
int exit;
string log;
try {
FileUtils.close(FileUtils.open_tmp ("test_script_log.XXXXXX", out log));
} catch (Error e) { Process.abort (); }
// should not log anything as that device is not touched
spawn (umockdev_record_path + " --script=/dev/null=" + log + " -- " + readbyte_path + " /dev/zero",
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, "\0");
assert_cmpstr (file_contents (log), Op.EQ, "");
// should log the header plus one read
spawn (umockdev_record_path + " --script=/dev/zero=" + log + " -- " + readbyte_path + " /dev/zero",
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, "\0");
string[] loglines = file_contents (log).split("\n");
assert_cmpuint (loglines.length, Op.EQ, 2);
assert_cmpstr (loglines[0], Op.EQ, "d 0 /dev/zero");
string[] logwords = loglines[1].split(" ");
assert_cmpuint (logwords.length, Op.EQ, 3);
assert_cmpstr (logwords[0], Op.EQ, "r");
// should be quick, give it 5 ms at most
assert_cmpint (int.parse(logwords[1]), Op.LE, 5 * slow_testbed_factor);
assert_cmpstr (logwords[2], Op.EQ, "^@");
FileUtils.remove (log);
}
/*
* umockdev-record --script recording to a file, with simple "readbyte" command in fopen mode
* It would be so much more elegant to use Test.add_data_func() and re-use the
* previous function, but this is broken: https://gitlab.gnome.org/GNOME/vala/issues/525
*/
static void
t_system_script_log_simple_fopen ()
{
string sout;
string serr;
int exit;
string log;
try {
FileUtils.close(FileUtils.open_tmp ("test_script_log.XXXXXX", out log));
} catch (Error e) { Process.abort (); }
// should not log anything as that device is not touched
spawn (umockdev_record_path + " --script=/dev/null=" + log + " -- " + readbyte_path + " /dev/zero fopen",
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, "\0");
assert_cmpstr (file_contents (log), Op.EQ, "");
// should log the header plus one read
spawn (umockdev_record_path + " --script=/dev/zero=" + log + " -- " + readbyte_path + " /dev/zero fopen",
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, "\0");
string[] loglines = file_contents (log).split("\n");
assert_cmpuint (loglines.length, Op.EQ, 2);
assert_cmpstr (loglines[0], Op.EQ, "d 0 /dev/zero");
string[] logwords = loglines[1].split(" ");
assert_cmpuint (logwords.length, Op.EQ, 3);
assert_cmpstr (logwords[0], Op.EQ, "r");
// should be quick, give it 5 ms at most
assert_cmpint (int.parse(logwords[1]), Op.LE, 5 * slow_testbed_factor);
assert_cmpstr (logwords[2], Op.EQ, "^@");
FileUtils.remove (log);
}
static void
t_system_script_log_append_same_dev ()
{
string sout;
string serr;
int exit;
string log;
try {
FileUtils.close(FileUtils.open_tmp ("test_script_log.XXXXXX", out log));
} catch (Error e) { Process.abort (); }
// should log the header plus one read
spawn (umockdev_record_path + " --script=/dev/zero=" + log + " -- " + readbyte_path + " /dev/zero",
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, "\0");
// should still work as it is the same device, and append
spawn (umockdev_record_path + " --script=/dev/zero=" + log + " -- " + readbyte_path + " /dev/zero",
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, "\0");
// should now have the header and two reads
string[] loglines = file_contents (log).split("\n");
assert_cmpuint (loglines.length, Op.EQ, 3);
assert_cmpstr (loglines[0], Op.EQ, "d 0 /dev/zero");
string[] logwords = loglines[1].split(" ");
assert_cmpuint (logwords.length, Op.EQ, 3);
assert_cmpstr (logwords[0], Op.EQ, "r");
// should be quick, give it 5 ms at most
assert_cmpint (int.parse(logwords[1]), Op.LE, 5 * slow_testbed_factor);
assert_cmpstr (logwords[2], Op.EQ, "^@");
logwords = loglines[2].split(" ");
assert_cmpuint (logwords.length, Op.EQ, 3);
assert_cmpstr (logwords[0], Op.EQ, "r");
// should be quick, give it 5 ms at most
assert_cmpint (int.parse(logwords[1]), Op.LE, 5 * slow_testbed_factor);
assert_cmpstr (logwords[2], Op.EQ, "^@");
FileUtils.remove (log);
}
static void
t_system_script_log_append_dev_mismatch ()
{
string sout;
string serr;
int exit;
string log;
try {
FileUtils.close(FileUtils.open_tmp ("test_script_log.XXXXXX", out log));
} catch (Error e) { Process.abort (); }
// should log the header plus one read
spawn (umockdev_record_path + " --script=/dev/zero=" + log + " -- " + readbyte_path + " /dev/zero",
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, "\0");
string orig_contents = file_contents (log);
// should fail as it is a different device
spawn (umockdev_record_path + " --script=/dev/null=" + log + " -- " + readbyte_path + " /dev/null",
out sout, out serr, out exit);
assert (serr.contains ("two different devices"));
assert_cmpint (exit, Op.EQ, 256);
assert_cmpstr (sout, Op.EQ, "\0");
// should not change original record
assert_cmpstr (file_contents (log), Op.EQ, orig_contents);
FileUtils.remove (log);
}
static string
read_line_timeout(FileStream stream)
{
string? line = null;
char buffer[1000];
int timeout = 50;
while (timeout > 0) {
line = stream.gets(buffer);
if (line != null)
return line;
Thread.usleep(100000);
timeout--;
}
assert(timeout > 0);
return "<timeout>";
}
static ssize_t
read_buf_delay(ulong delay, Socket socket, uint8[] buffer, ssize_t length) throws Error
{
ssize_t len = 0;
int64 start;
Thread.usleep (delay);
start = get_monotonic_time();
while (len < length && 5000000 > get_monotonic_time() - start) {
unowned uint8[] buf = buffer[len:length];
assert (socket.condition_timed_wait (IN, 5000000));
len += socket.receive (buf);
}
assert (len == length);
return len;
}
/*
* umockdev-record --script recording to a file, with our chatter command
*/
static void
t_system_script_log_chatter ()
{
string log;
try {
FileUtils.close(FileUtils.open_tmp ("test_script_log.XXXXXX", out log));
} catch (Error e) { Process.abort (); }
char[] ptyname = new char[8192];
int ptym, ptys;
assert (Linux.openpty (out ptym, out ptys, ptyname, null, null) == 0);
Posix.close (ptys);
// disable echo, canonical mode, and line ending translation
Posix.termios ios;
assert (Posix.tcgetattr (ptym, out ios) == 0);
ios.c_iflag &= ~(Posix.IGNCR | Posix.INLCR | Posix.ICRNL);
ios.c_oflag &= ~(Posix.ONLCR | Posix.OCRNL);
ios.c_lflag &= ~(Posix.ICANON | Posix.ECHO);
assert (Posix.tcsetattr (ptym, Posix.TCSANOW, ios) == 0);
// start chatter
Pid chatter_pid;
try {
assert (Process.spawn_async_with_pipes (null,
{umockdev_record_path, "--script", (string) ptyname + "=" + log, "--",
Path.build_filename (rootdir, "chatter"), (string) ptyname},
null, SpawnFlags.SEARCH_PATH | SpawnFlags.DO_NOT_REAP_CHILD | SpawnFlags.STDOUT_TO_DEV_NULL,
null, out chatter_pid, null, null, null));
} catch (SpawnError e) {
error ("Cannot call umockdev-record: %s", e.message);
}
var chatter_stream = FileStream.fdopen (ptym, "r+");
assert (chatter_stream != null);
// expect the first two lines
assert_cmpstr (read_line_timeout (chatter_stream), Op.EQ, "Hello world!\n");
assert_cmpstr (read_line_timeout (chatter_stream), Op.EQ, "What is your name?\n");
// type name and second string after some delay
Thread.usleep (500000);
chatter_stream.puts ("John\n");
while (!read_line_timeout (chatter_stream).contains ("line break in one write"));
Thread.usleep (300000);
chatter_stream.puts ("foo ☹ bar ^!\n");
assert_cmpstr (read_line_timeout (chatter_stream), Op.EQ, "bye!\n");
int status;
assert_cmpint ((int) Posix.waitpid (chatter_pid, out status, 0), Op.EQ, (int) chatter_pid);
assert_cmpint (status, Op.EQ, 0);
// evaluate log
var log_stream = FileStream.open (log, "r");
char[] buf = new char[8192];
int time = 0;
assert_cmpint (log_stream.scanf ("d 0 %s\n", buf), Op.EQ, 1);
assert_cmpstr ((string)buf, Op.EQ, (string)ptyname);
assert_cmpint (log_stream.scanf ("w %d Hello world!^JWhat is your name?^J\n", &time), Op.EQ, 1);
assert_cmpint (time, Op.LE, 20 * slow_testbed_factor);
assert_cmpint (log_stream.scanf ("r %d John^J\n", &time), Op.EQ, 1);
assert_cmpint (time, Op.GE, 450);
assert_cmpint (time, Op.LE, 800 * slow_testbed_factor);
assert_cmpint (log_stream.scanf ("w %d I ♥ John^Ja^I tab and a^J line break in one write^J\n", &time), Op.EQ, 1);
assert_cmpint (time, Op.LE, 20 * slow_testbed_factor);
assert_cmpint (log_stream.scanf ("r %d foo ☹ bar ^`!^J\n", &time), Op.EQ, 1);;
assert_cmpint (time, Op.GE, 250);
assert_cmpint (time, Op.LE, 450 * slow_testbed_factor);
assert_cmpint (log_stream.scanf ("w %d bye!^J\n", &time), Op.EQ, 1);;
assert_cmpint (time, Op.LE, 20 * slow_testbed_factor);
// verify EOF
assert_cmpint (log_stream.scanf ("%*c"), Op.EQ, -1);
FileUtils.remove (log);
}
/*
* umockdev-record --script recording to a file, with our chatter-socket-stream command
*/
static void
t_system_script_log_chatter_socket_stream ()
{
string log;
string spath = "/tmp/umockdev_test";
Pid chatter_pid;
try {
FileUtils.close(FileUtils.open_tmp ("test_script_log.XXXXXX", out log));
var s = new Socket (SocketFamily.UNIX, SocketType.STREAM, SocketProtocol.DEFAULT);
assert (s != null);
s.blocking = false;
assert (s.bind (new UnixSocketAddress (spath), true));
assert (s.listen ());
// start chatter
try {
assert (Process.spawn_async_with_pipes (null,
{umockdev_record_path, "--script", spath + "=" + log, "--",
Path.build_filename (rootdir, "chatter-socket-stream"), spath},
null, SpawnFlags.SEARCH_PATH | SpawnFlags.DO_NOT_REAP_CHILD | SpawnFlags.STDOUT_TO_DEV_NULL,
null, out chatter_pid, null, null, null));
} catch (SpawnError e) {
error ("Cannot call umockdev-record: %s", e.message);
}
// wait until chatter connects
int timeout = 20;
Socket conn = null;
while (timeout > 0) {
try {
conn = s.accept ();
break;
} catch (IOError e) {
if (e is IOError.WOULD_BLOCK) {
timeout--;
Thread.usleep(10000);
} else
throw e;
}
}
assert (conn != null);
var buf = new uint8[1000];
// expect the question
ssize_t len = conn.receive (buf);
assert (len > 0);
buf[len] = 0;
assert_cmpstr ((string) buf, Op.EQ, "What is your name?\n");
// type name and second string after some delay
Thread.usleep (300000);
conn.send ("John\n".data);
// give it some time for the response
len = read_buf_delay (10000, conn, buf, 11);
assert (len > 0);
buf[len] = 0;
assert_cmpstr ((string) buf, Op.EQ, "hello John\n");
// check the send message
len = read_buf_delay (20000, conn, buf, 6);
assert (len > 0);
buf[len] = 0;
assert_cmpstr ((string) buf, Op.EQ, "send()");
// send stuff for recv()
Thread.usleep (20000);
conn.send ("recv()".data);
} catch (Error e) {
FileUtils.remove (spath);
error ("Error: %s", e.message);
}
FileUtils.remove (spath);
int status;
assert_cmpint ((int) Posix.waitpid (chatter_pid, out status, 0), Op.EQ, (int) chatter_pid);
assert_cmpint (status, Op.EQ, 0);
// evaluate log
var log_stream = FileStream.open (log, "r");
int time = 0;
assert_cmpint (log_stream.scanf ("w %d What is your name?^J\n", &time), Op.EQ, 1);
assert_cmpint (time, Op.LE, 20 * slow_testbed_factor);
assert_cmpint (log_stream.scanf ("r %d John^J\n", &time), Op.EQ, 1);
assert_cmpint (time, Op.GE, 250);
assert_cmpint (time, Op.LE, 400 * slow_testbed_factor);
assert_cmpint (log_stream.scanf ("w %d hello John^J\n", &time), Op.EQ, 1);
assert_cmpint (time, Op.LE, 20 * slow_testbed_factor);
assert_cmpint (log_stream.scanf ("w %d send()\n", &time), Op.EQ, 1);
assert_cmpint (time, Op.GE, 10);
assert_cmpint (log_stream.scanf ("r %d recv()\n", &time), Op.EQ, 1);
assert_cmpint (time, Op.GE, 20);
assert_cmpint (time, Op.LE, 60 * slow_testbed_factor);
FileUtils.remove (log);
}
/*
* umockdev-record --evemu-events recording to a file
*
* Note that this cannot test actual events, as we cannot inject events into a
* device without root privileges; but we can at least ensure that the preload
* lib gets loaded, the log gets created, the header written, and recording
* happens on the right device.
*/
static void
t_system_evemu_log ()
{
string sout;
string serr;
int exit;
string workdir;
try {
workdir = DirUtils.make_tmp ("evemu_log_test.XXXXXX");
} catch (Error e) { Process.abort (); }
string log = Path.build_filename (workdir, "log");
spawn (umockdev_record_path + " --evemu-events=/dev/null=" + log + " -- " + readbyte_path + " /dev/null",
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, "\0");
assert_cmpstr (file_contents (log), Op.EQ, "# EVEMU 1.2\n# device /dev/null\n");
// appending a record for the same device should work
spawn (umockdev_record_path + " --evemu-events=/dev/null=" + log + " -- " + readbyte_path + " /dev/null",
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, "\0");
// appends an extra NL at the end
assert_cmpstr (file_contents (log), Op.EQ, "# EVEMU 1.2\n# device /dev/null\n\n");
// appending a record for a different device should fail
spawn (umockdev_record_path + " --evemu-events=/dev/zero=" + log + " -- " + readbyte_path + " /dev/zero",
out sout, out serr, out exit);
assert (serr.contains ("two different devices"));
assert_cmpint (exit, Op.EQ, 256);
assert_cmpstr (sout, Op.EQ, "\0");
// unchanged
assert_cmpstr (file_contents (log), Op.EQ, "# EVEMU 1.2\n# device /dev/null\n\n");
FileUtils.remove (log);
// invalid syntax
spawn (umockdev_record_path + " --evemu-events /dev/null -- true",
out sout, out serr, out exit);
assert_cmpint (exit, Op.NE, 1);
assert_cmpstr (sout, Op.EQ, "");
assert (serr.contains ("--ioctl"));
assert (serr.contains ("="));
assert (!FileUtils.test (log, FileTest.EXISTS));
DirUtils.remove (workdir);
}
static void
t_run_invalid_args ()
{
string sout;
string serr;
int exit;
spawn (umockdev_record_path + " /dev/no/such/device", out sout, out serr, out exit);
assert_in ("Cannot access device /dev/no/such/device: No such file", serr);
assert_cmpstr (sout, Op.EQ, "");
assert_cmpint (exit, Op.NE, 0);
}
static void
t_gphoto2_record ()
{
string sout, sout_record;
string serr;
int exit;
// check if we have gphoto2 and a camera
spawn ("which gphoto2", out sout, out serr, out exit);
if (exit != 0) {
stdout.printf ("[SKIP: gphoto2 not installed] ");
stdout.flush ();
return;
}
spawn ("gphoto2 --auto-detect", out sout, out serr, out exit);
if (exit != 0) {
stdout.printf ("[SKIP: gphoto2 --auto-detect failed: %s] ", sout + serr);
return;
}
// find bus and dev number
Regex port_re;
try {
port_re = new Regex ("usb:([0-9]+),([0-9]+)");
} catch (RegexError e) {
error ("Internal error building regex: %s", e.message);
}
MatchInfo match;
if (!port_re.match (sout, 0, out match)) {
stdout.printf ("[SKIP: no gphoto2 compatible camera attached] ");
return;
}
string busnum = match.fetch(1);
string devnum = match.fetch(2);
// record several operations
spawn ("sh -c '%s /dev/bus/usb/%s/%s > gphoto-test.umockdev'".printf(
umockdev_record_path, busnum, devnum),
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpstr (sout, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
string cmd = "sh -c 'gphoto2 -l; gphoto2 -L'";
spawn ("%s -i /dev/bus/usb/%s/%s=gphoto-test.ioctl -- %s".printf(
umockdev_record_path, busnum, devnum, cmd),
out sout_record, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
// now run the same command under umockdev-run and ensure it outputs the
// same thing
spawn ("%s -d gphoto-test.umockdev -i /dev/bus/usb/%s/%s=gphoto-test.ioctl -- %s".printf(
umockdev_run_path, busnum, devnum, cmd),
out sout, out serr, out exit);
assert_cmpstr (serr, Op.EQ, "");
assert_cmpint (exit, Op.EQ, 0);
assert_cmpstr (sout, Op.EQ, sout_record);
FileUtils.remove ("gphoto-test.umockdev");
FileUtils.remove ("gphoto-test.ioctl");
}
int
main (string[] args)
{
Test.init (ref args);
string? f = Environment.get_variable ("SLOW_TESTBED_FACTOR");
if (f != null && int.parse(f) > 0)
slow_testbed_factor = int.parse(f);
// determine path of umockdev-record
string? r = Environment.get_variable ("TOP_BUILDDIR");
if (r == null)
rootdir = Path.get_dirname (Path.get_dirname (Path.get_dirname (Posix.realpath (args[0]))));
else
rootdir = r;
umockdev_record_path = Path.build_filename (rootdir, "umockdev-record");
umockdev_run_path = Path.build_filename (rootdir, "umockdev-run");
readbyte_path = Path.build_filename (rootdir, "readbyte");
Test.add_func ("/umockdev-record/testbed-all-empty", t_testbed_all_empty);
Test.add_func ("/umockdev-record/testbed-one", t_testbed_one);
Test.add_func ("/umockdev-record/testbed-multiple", t_testbed_multiple);
Test.add_func ("/umockdev-record/testbed-no-ioctl-record", t_testbed_no_ioctl_record);
Test.add_func ("/umockdev-record/system-single", t_system_single);
// causes eternal hangs or crashes in some environments
//Test.add_func ("/umockdev-record/system-all", t_system_all);
Test.add_func ("/umockdev-record/system-invalid", t_system_invalid);
Test.add_func ("/umockdev-record/ioctl-log", t_system_ioctl_log);
Test.add_func ("/umockdev-record/ioctl-log-append-dev-mismatch", t_system_ioctl_log_append_dev_mismatch);
Test.add_func ("/umockdev-record/script-log-simple", t_system_script_log_simple);
Test.add_func ("/umockdev-record/script-log-simple-fopen", t_system_script_log_simple_fopen);
Test.add_func ("/umockdev-record/script-log-append-same-dev", t_system_script_log_append_same_dev);
Test.add_func ("/umockdev-record/script-log-append-dev-mismatch", t_system_script_log_append_dev_mismatch);
Test.add_func ("/umockdev-record/script-log-chatter", t_system_script_log_chatter);
Test.add_func ("/umockdev-record/script-log-socket", t_system_script_log_chatter_socket_stream);
Test.add_func ("/umockdev-record/evemu-log", t_system_evemu_log);
// error conditions
Test.add_func ("/umockdev-record/invalid-args", t_run_invalid_args);
// these tests require particular hardware and get skipped otherwise
Test.add_func ("/umockdev-record/gphoto2-record", t_gphoto2_record);
return Test.run();
}