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/*
* Copyright (C) 2010 Colin Watson.
*
* This file is part of libpipeline.
*
* libpipeline 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.
*
* libpipeline 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 libpipeline; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <errno.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include "error.h"
#include "common.h"
const char *program_name = "inspect";
START_TEST (test_inspect_command)
{
pipecmd *cmd;
char *str;
cmd = pipecmd_new ("foo");
str = pipecmd_tostring (cmd);
ck_assert_str_eq (str, "foo");
free (str);
pipecmd_free (cmd);
cmd = pipecmd_new_args ("foo", "bar", "baz quux", nullptr);
str = pipecmd_tostring (cmd);
/* TODO: not ideal representation of commands with metacharacters */
ck_assert_str_eq (str, "foo bar baz quux");
free (str);
pipecmd_free (cmd);
}
END_TEST
START_TEST (test_inspect_pipeline)
{
pipeline *p;
char *str;
p = pipeline_new ();
pipeline_command_args (p, "foo", "bar", nullptr);
pipeline_command_args (p, "grep", "baz", "quux", nullptr);
ck_assert_int_eq (pipeline_get_ncommands (p), 2);
pipecmd_setenv (pipeline_get_command (p, 1), "KEY", "value");
str = pipeline_tostring (p);
ck_assert_str_eq (str, "foo bar | KEY=value grep baz quux");
free (str);
pipeline_free (p);
}
END_TEST
static void pid_helper (void *data _GL_UNUSED)
{
struct sigaction sa;
/* Get rid of check's SIGTERM handler. */
memset (&sa, 0, sizeof sa);
sa.sa_handler = SIG_DFL;
sigemptyset (&sa.sa_mask);
sa.sa_flags = 0;
if (sigaction (SIGTERM, &sa, NULL) == -1)
error (1, errno, "can't install SIGTERM handler");
printf ("%ld\n", (long) getpid ());
fflush (stdout);
pause ();
}
START_TEST (test_inspect_pid)
{
pipeline *p;
pipecmd *cmd;
const char *line;
pid_t pid;
p = pipeline_new ();
cmd = pipecmd_new_function ("pid_helper", pid_helper, NULL, NULL);
pipeline_command (p, cmd);
pipeline_want_out (p, -1);
pipeline_start (p);
line = pipeline_readline (p);
ck_assert_ptr_ne (line, NULL);
pid = (pid_t) atol (line);
ck_assert_msg (pid == pipeline_get_pid (p, 0), "pids match");
/* Note that this test may hang if pipeline_get_pid does not work.
* We might be able to fix this by calling setsid at the start of
* the test and then killing the process group, but I'm not sure if
* that's sufficiently portable.
*/
if (pid == pipeline_get_pid (p, 0)) {
int status;
/* Suppress "Terminated" errors. */
setenv ("PIPELINE_QUIET", "1", 1);
kill (pid, SIGTERM);
status = pipeline_wait (p);
ck_assert_msg (status == 128 + SIGTERM,
"pid_helper did not indicate SIGTERM");
}
pipeline_free (p);
}
END_TEST
static Suite *inspect_suite (void)
{
Suite *s = suite_create ("Inspect");
TEST_CASE (s, inspect, command);
TEST_CASE (s, inspect, pipeline);
TEST_CASE (s, inspect, pid);
return s;
}
MAIN (inspect)
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