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/*
* Copyright © 2019 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <sys/wait.h>
#include <string.h>
#include <stdlib.h>
#include "drmtest.h"
#include "igt_tests_common.h"
IGT_TEST_DESCRIPTION("the top level description");
static void fake_main(int argc, char **argv) {
igt_subtest_init(argc, argv);
igt_describe("Basic A");
igt_subtest("A")
;
igt_fixture
printf("should not be executed!\n");
igt_describe("Group with B, C & D");
igt_subtest_group {
igt_describe("Basic B");
igt_subtest("B")
;
if (!igt_only_list_subtests())
printf("should not be executed!\n");
igt_describe("Group with C & D");
igt_subtest_group {
igt_describe("Basic C");
igt_subtest("C")
printf("should not be executed!\n");
// NO DOC
igt_subtest("D")
;
}
}
// NO DOC
igt_subtest_group {
// NO DOC
igt_subtest("E")
;
}
// NO DOC
igt_subtest("F")
;
igt_describe("this description should be so long that it wraps itself nicely in the terminal "
"this description should be so long that it wraps itself nicely in the terminal "
"this description should be so long that it wraps itself nicely in the terminal "
"this description should be so long that it wraps itself nicely in the terminal "
"this description should be so long that it wraps itself nicely in the terminal "
"this description should be so long that it wraps itself nicely in the terminal");
igt_subtest("G")
;
igt_describe("verylongwordthatshoudlbeprintedeventhoughitspastthewrppinglimit"
"verylongwordthatshoudlbeprintedeventhoughitspastthewrappinglimit "
"verylongwordthatshoudlbeprintedeventhoughitspastthewrappinglimit"
"verylongwordthatshoudlbeprintedeventhoughitspastthewrappinglimit");
igt_subtest("F")
;
igt_exit();
}
static const char DESCRIBE_ALL_OUTPUT[] = \
"the top level description\n"
"\n"
"SUB A ../lib/tests/igt_describe.c:36:\n"
" Basic A\n"
"\n"
"SUB B ../lib/tests/igt_describe.c:45:\n"
" Group with B, C & D\n"
"\n"
" Basic B\n"
"\n"
"SUB C ../lib/tests/igt_describe.c:54:\n"
" Group with B, C & D\n"
"\n"
" Group with C & D\n"
"\n"
" Basic C\n"
"\n"
"SUB D ../lib/tests/igt_describe.c:58:\n"
" Group with B, C & D\n"
"\n"
" Group with C & D\n"
"\n"
"SUB E ../lib/tests/igt_describe.c:66:\n"
" NO DOCUMENTATION!\n"
"\n"
"SUB F ../lib/tests/igt_describe.c:71:\n"
" NO DOCUMENTATION!\n"
"\n"
"SUB G ../lib/tests/igt_describe.c:80:\n"
" this description should be so long that it wraps itself nicely in the terminal this\n"
" description should be so long that it wraps itself nicely in the terminal this description\n"
" should be so long that it wraps itself nicely in the terminal this description should be so\n"
" long that it wraps itself nicely in the terminal this description should be so long that it\n"
" wraps itself nicely in the terminal this description should be so long that it wraps itself\n"
" nicely in the terminal\n"
"\n"
"SUB F ../lib/tests/igt_describe.c:87:\n"
" verylongwordthatshoudlbeprintedeventhoughitspastthewrppinglimitverylongwordthatshoudlbeprintedeventhoughitspastthewrappinglimit\n"
" verylongwordthatshoudlbeprintedeventhoughitspastthewrappinglimitverylongwordthatshoudlbeprintedeventhoughitspastthewrappinglimit\n\n";
static const char JUST_C_OUTPUT[] = \
"the top level description\n"
"\n"
"SUB C ../lib/tests/igt_describe.c:54:\n"
" Group with B, C & D\n"
"\n"
" Group with C & D\n"
"\n"
" Basic C\n"
"\n";
static void assert_pipe_empty(int fd)
{
char buf[5];
internal_assert(0 == read(fd, buf, sizeof(buf)));
}
static void read_whole_pipe(int fd, char *buf, size_t buflen)
{
ssize_t readlen;
off_t offset;
offset = 0;
while ((readlen = read(fd, buf+offset, buflen-offset))) {
if (readlen == -1) {
if (errno == EINTR) {
continue;
} else {
printf("read failed with %s\n", strerror(errno));
exit(1);
}
}
internal_assert(readlen != -1);
offset += readlen;
}
}
static pid_t do_fork(int argc, char **argv, int *out, int *err)
{
int outfd[2], errfd[2];
pid_t pid;
internal_assert(pipe(outfd) != -1);
internal_assert(pipe(errfd) != -1);
pid = fork();
internal_assert(pid != -1);
if (pid == 0) {
while (dup2(outfd[1], STDOUT_FILENO) == -1 && errno == EINTR) {}
while (dup2(errfd[1], STDERR_FILENO) == -1 && errno == EINTR) {}
close(outfd[0]);
close(outfd[1]);
close(errfd[0]);
close(errfd[1]);
fake_main(argc, argv);
exit(-1);
} else {
/* close the writing ends */
close(outfd[1]);
close(errfd[1]);
*out = outfd[0];
*err = errfd[0];
return pid;
}
}
static int _wait(pid_t pid, int *status) {
int ret;
do {
ret = waitpid(pid, status, 0);
} while (ret == -1 && errno == EINTR);
return ret;
}
int main(int argc, char **argv)
{
char prog[] = "igt_describe";
int status;
int outfd, errfd;
/* describe all subtest */ {
static char out[4096];
char arg[] = "--describe";
char *fake_argv[] = {prog, arg};
int fake_argc = ARRAY_SIZE(fake_argv);
pid_t pid = do_fork(fake_argc, fake_argv, &outfd, &errfd);
read_whole_pipe(outfd, out, sizeof(out));
assert_pipe_empty(errfd);
internal_assert(_wait(pid, &status) != -1);
internal_assert(WIFEXITED(status));
internal_assert(WEXITSTATUS(status) == IGT_EXIT_SUCCESS);
internal_assert(0 == strcmp(DESCRIBE_ALL_OUTPUT, out));
close(outfd);
close(errfd);
}
/* describe C using a pattern */ {
static char out[4096];
char arg[] = "--describe=C";
char *fake_argv[] = {prog, arg};
int fake_argc = ARRAY_SIZE(fake_argv);
pid_t pid = do_fork(fake_argc, fake_argv, &outfd, &errfd);
read_whole_pipe(outfd, out, sizeof(out));
assert_pipe_empty(errfd);
internal_assert(_wait(pid, &status) != -1);
internal_assert(WIFEXITED(status));
internal_assert(WEXITSTATUS(status) == IGT_EXIT_SUCCESS);
internal_assert(0 == strcmp(JUST_C_OUTPUT, out));
close(outfd);
close(errfd);
}
/* fail describing with a bad pattern */ {
static char err[4096];
char arg[] = "--describe=Z";
char *fake_argv[] = {prog, arg};
int fake_argc = ARRAY_SIZE(fake_argv);
pid_t pid = do_fork(fake_argc, fake_argv, &outfd, &errfd);
read_whole_pipe(errfd, err, sizeof(err));
internal_assert(_wait(pid, &status) != -1);
internal_assert(WIFEXITED(status));
internal_assert(WEXITSTATUS(status) == IGT_EXIT_INVALID);
internal_assert(strstr(err, "Unknown subtest: Z"));
close(outfd);
close(errfd);
}
return 0;
}