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tests: posix: add testsuite for POSIX_SYSTEM_DATABASE
Add a testsuite for the POSIX_SYSTEM_DATABASE Option Group Signed-off-by: Chris Friedt <cfriedt@tenstorrent.com>
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‎tests/posix/system_database/CMakeLists.txt

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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(posix_system_database)
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target_sources(app PRIVATE
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src/main.c
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../system_database_r/src/fs.c
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)
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target_compile_options(app PRIVATE -U_POSIX_C_SOURCE -D_POSIX_C_SOURCE=200809L)

‎tests/posix/system_database/app.overlay

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/*
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* Copyright (c) 2023 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/ {
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ramdisk0 {
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compatible = "zephyr,ram-disk";
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disk-name = "RAM";
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sector-size = <512>;
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sector-count = <160>;
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};
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};

‎tests/posix/system_database/prj.conf

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CONFIG_POSIX_API=y
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CONFIG_ZTEST=y
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CONFIG_POSIX_AEP_CHOICE_BASE=y
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CONFIG_POSIX_SYSTEM_DATABASE=y
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CONFIG_FAT_FILESYSTEM_ELM=y
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CONFIG_MAIN_STACK_SIZE=4096

‎tests/posix/system_database/src/main.c

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/*
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* Copyright (c) 2024 Tenstorrent AI ULC
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <grp.h>
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#include <pwd.h>
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#include <zephyr/ztest.h>
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ZTEST(posix_system_database, test_getpwnam)
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{
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struct passwd *result;
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{
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/* degenerate cases */
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errno = 0;
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zexpect_is_null(getpwnam(NULL));
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zexpect_equal(errno, 0);
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/* user is not found in /etc/passwd */
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errno = 0;
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zexpect_is_null(getpwnam("nobody"));
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zexpect_equal(errno, 0, "expected errno to be zero, not %d", errno);
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}
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result = getpwnam("root");
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zassert_not_null(result, "getpwnam(\"root\") failed: %d", errno);
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zexpect_str_equal(result->pw_name, "root");
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zexpect_equal(result->pw_uid, 0);
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zexpect_equal(result->pw_gid, 0);
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zexpect_str_equal(result->pw_dir, "/root");
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zexpect_str_equal(result->pw_shell, "/bin/sh");
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result = getpwnam("user");
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zassert_not_null(result, "getpwnam(\"user\") failed: %d", errno);
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zexpect_str_equal(result->pw_name, "user");
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zexpect_equal(result->pw_uid, 1000);
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zexpect_equal(result->pw_gid, 1000);
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zexpect_str_equal(result->pw_dir, "/home/user");
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zexpect_str_equal(result->pw_shell, "/bin/sh");
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}
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ZTEST(posix_system_database, test_getpwuid)
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{
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struct passwd *result;
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{
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/* degenerate cases */
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/* user is not found in /etc/passwd */
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errno = 0;
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zexpect_is_null(getpwuid(1001));
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zexpect_equal(errno, 0, "expected errno to be zero, not %d", errno);
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}
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result = getpwuid(0);
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zassert_not_null(result, "getpwuid(0) failed: %d", errno);
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zexpect_str_equal(result->pw_name, "root");
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zexpect_equal(result->pw_uid, 0);
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zexpect_equal(result->pw_gid, 0);
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zexpect_str_equal(result->pw_dir, "/root");
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zexpect_str_equal(result->pw_shell, "/bin/sh");
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result = getpwuid(1000);
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zassert_not_null(result, "getpwuid(0) failed: %d", errno);
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zexpect_str_equal(result->pw_name, "user");
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zexpect_equal(result->pw_uid, 1000);
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zexpect_equal(result->pw_gid, 1000);
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zexpect_str_equal(result->pw_dir, "/home/user");
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zexpect_str_equal(result->pw_shell, "/bin/sh");
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}
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static const char *const members[] = {
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"staff",
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"admin",
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};
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ZTEST(posix_system_database, test_getgrnam)
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{
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struct group *result;
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{
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/* degenerate cases */
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errno = 0;
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zexpect_is_null(getgrnam(NULL));
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zexpect_equal(errno, 0, "expected errno to be zero, not %d", errno);
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/* group is not found in /etc/group */
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errno = 0;
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zexpect_is_null(getgrnam("nobody"));
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zexpect_equal(errno, 0, "expected errno to be zero, not %d", errno);
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}
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result = getgrnam("root");
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zassert_not_null(result, "getgrnam(\"root\") failed: %d", errno);
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zexpect_str_equal(result->gr_name, "root");
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zexpect_equal(result->gr_gid, 0);
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zexpect_equal(result->gr_mem[0], NULL);
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result = getgrnam("user");
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zassert_not_null(result, "getgrnam(\"user\") failed: %d", errno);
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zexpect_str_equal(result->gr_name, "user");
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zexpect_equal(result->gr_gid, 1000);
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ARRAY_FOR_EACH(members, i) {
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zexpect_str_equal(result->gr_mem[i], members[i],
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"members[%d] (%s) does not match gr.gr_mem[%d] (%s)", i,
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members[i], i, result->gr_mem[i]);
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}
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zexpect_equal(result->gr_mem[2], NULL);
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}
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ZTEST(posix_system_database, test_getgrgid)
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{
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struct group *result;
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{
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/* degenerate cases */
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/* group is not found in /etc/group */
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errno = 0;
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zexpect_is_null(getgrgid(1001));
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zexpect_equal(errno, 0, "expected errno to be zero, not %d", errno);
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}
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result = getgrgid(0);
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zassert_not_null(result, "getgrgid(0) failed: %d", errno);
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zexpect_str_equal(result->gr_name, "root");
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zexpect_equal(result->gr_gid, 0);
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zexpect_equal(result->gr_mem[0], NULL);
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result = getgrgid(1000);
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zassert_not_null(result, "getgrgid(1000) failed: %d", errno);
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zexpect_str_equal(result->gr_name, "user");
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zexpect_equal(result->gr_gid, 1000);
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ARRAY_FOR_EACH(members, i) {
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zexpect_str_equal(result->gr_mem[i], members[i],
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"members[%d] (%s) does not match gr.gr_mem[%d] (%s)", i,
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members[i], i, result->gr_mem[i]);
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}
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zexpect_equal(result->gr_mem[2], NULL);
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}
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void *setup(void);
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void teardown(void *arg);
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ZTEST_SUITE(posix_system_database, NULL, setup, NULL, NULL, teardown);

‎tests/posix/system_database/testcase.yaml

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common:
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filter: not CONFIG_NATIVE_LIBC
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tags:
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- posix
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- posix_system_database
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# 1 tier0 platform per supported architecture
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platform_key:
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- arch
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- simulation
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min_flash: 64
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min_ram: 32
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tests:
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portability.posix.posix_system_database: {}
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portability.posix.posix_system_database.minimal:
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extra_configs:
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- CONFIG_MINIMAL_LIBC=y
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portability.posix.posix_system_database.newlib:
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filter: TOOLCHAIN_HAS_NEWLIB == 1
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extra_configs:
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- CONFIG_NEWLIB_LIBC=y
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portability.posix.posix_system_database.picolibc:
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tags: picolibc
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filter: CONFIG_PICOLIBC_SUPPORTED
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extra_configs:
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- CONFIG_PICOLIBC=y

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