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// SPDX-License-Identifier: MIT
/*
* Copyright(c) 2024 Intel Corporation. All rights reserved.
*/
#include <stdbool.h>
#include <stdio.h>
#include <unistd.h>
#include "igt_core.h"
#include "igt_hook.h"
static const char *env_var_names[] = {
"IGT_HOOK_EVENT",
"IGT_HOOK_TEST_FULLNAME",
"IGT_HOOK_TEST",
"IGT_HOOK_SUBTEST",
"IGT_HOOK_DYN_SUBTEST",
"IGT_HOOK_RESULT",
};
#define num_env_vars (sizeof(env_var_names) / sizeof(env_var_names[0]))
static int env_var_name_lookup(char *line)
{
int i;
char *c;
c = strchr(line, '=');
if (c)
*c = '\0';
for (i = 0; i < num_env_vars; i++)
if (!strcmp(line, env_var_names[i]))
goto out;
i = -1;
out:
if (c)
*c = '=';
return i;
}
static int igt_single_hook(const char *hook_str, struct igt_hook **igt_hook_ptr)
{
const char *hook_strs[] = {
hook_str,
};
return igt_hook_create(hook_strs, 1, igt_hook_ptr);
}
static void test_invalid_hook_descriptors(void)
{
struct {
const char *name;
const char *hook_desc;
} invalid_cases[] = {
{"invalid-event-name", "invalid-event:echo hello"},
{"invalid-empty-event-name", ":echo hello"},
{"invalid-colon-in-cmd", "echo hello:world"},
{},
};
for (int i = 0; invalid_cases[i].name; i++) {
igt_subtest(invalid_cases[i].name) {
int err;
struct igt_hook *igt_hook;
err = igt_single_hook(invalid_cases[i].hook_desc, &igt_hook);
igt_assert(err != 0);
}
}
}
static void test_print_help(void)
{
char *buf;
size_t len;
FILE *f;
const char expected_initial_text[] = "The option --hook receives as argument a \"hook descriptor\"";
f = open_memstream(&buf, &len);
igt_assert(f);
igt_hook_print_help(f, "--hook");
fclose(f);
igt_assert(!strncmp(buf, expected_initial_text, sizeof(expected_initial_text) - 1));
/* This is an extra check to catch a case where an event type is added
* without a proper description. */
igt_assert(!strstr(buf, "MISSING DESCRIPTION"));
free(buf);
}
static void test_all_env_vars(void)
{
struct igt_hook_evt evt = {
.evt_type = IGT_HOOK_PRE_SUBTEST,
.target_name = "foo",
};
bool env_vars_checklist[num_env_vars] = {};
struct igt_hook *igt_hook;
char *hook_str;
FILE *f;
int pipefd[2];
int ret;
int i;
char *line;
size_t line_size;
ret = pipe(pipefd);
igt_assert(ret == 0);
/* Use grep to filter only env var set by us. This should ensure that
* writing to the pipe will not block due to capacity, since we only
* read from the pipe after the shell command is done. */
ret = asprintf(&hook_str, "printenv -0 | grep -z ^IGT_HOOK >&%d", pipefd[1]);
igt_assert(ret > 0);
ret = igt_single_hook(hook_str, &igt_hook);
igt_assert(ret == 0);
igt_hook_event_notify(igt_hook, &evt);
close(pipefd[1]);
f = fdopen(pipefd[0], "r");
igt_assert(f);
line = NULL;
line_size = 0;
while (getdelim(&line, &line_size, '\0', f) != -1) {
ret = env_var_name_lookup(line);
igt_assert_f(ret >= 0, "Unexpected env var %s\n", line);
env_vars_checklist[ret] = true;
}
for (i = 0; i < num_env_vars; i++)
igt_assert_f(env_vars_checklist[i], "Missing env var %s\n", env_var_names[i]);
fclose(f);
igt_hook_free(igt_hook);
free(hook_str);
free(line);
}
igt_main
{
test_invalid_hook_descriptors();
igt_subtest("help-description")
test_print_help();
igt_subtest_group {
igt_fixture {
igt_require_f(system(NULL), "Shell seems not to be available\n");
}
igt_subtest("all-env-vars")
test_all_env_vars();
}
}
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