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test-os-util: add basic tests for os-release parsing

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2022-03-07 19:22:01 +01:00
parent df78419d10
commit 80e72f80bc
1 changed files with 62 additions and 0 deletions
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62
src/test/test-os-util.c
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@ -2,8 +2,11 @@
#include <errno.h>
#include "fs-util.h"
#include "log.h"
#include "os-util.h"
#include "string-util.h"
#include "strv.h"
#include "tests.h"
TEST(path_is_os_tree) {
@ -12,4 +15,63 @@ TEST(path_is_os_tree) {
assert_se(path_is_os_tree("/idontexist") == -ENOENT);
}
TEST(parse_os_release) {
/* Let's assume that we're running in a valid system, so os-release is available */
_cleanup_free_ char *id = NULL, *id2 = NULL, *name = NULL, *foobar = NULL;
assert_se(parse_os_release(NULL, "ID", &id) == 1);
log_info("ID: %s", id);
assert_se(setenv("SYSTEMD_OS_RELEASE", "/dev/null", 1) == 0);
assert_se(parse_os_release(NULL, "ID", &id2) == 0);
log_info("ID: %s", strnull(id2));
_cleanup_(unlink_tempfilep) char tmpfile[] = "/tmp/test-os-util.XXXXXX";
assert_se(write_tmpfile(tmpfile,
"ID=the-id \n"
"NAME=the-name") == 0);
assert_se(setenv("SYSTEMD_OS_RELEASE", tmpfile, 1) == 0);
assert_se(parse_os_release(NULL, "ID", &id, "NAME", &name) == 2);
log_info("ID: %s NAME: %s", id, name);
assert_se(streq(id, "the-id"));
assert_se(streq(name, "the-name"));
_cleanup_(unlink_tempfilep) char tmpfile2[] = "/tmp/test-os-util.XXXXXX";
assert_se(write_tmpfile(tmpfile2,
"ID=\"ignored\" \n"
"ID=\"the-id\" \n"
"NAME='the-name'") == 0);
assert_se(setenv("SYSTEMD_OS_RELEASE", tmpfile2, 1) == 0);
// FIXME: we return 3, which means that the return value is useless in face of repeats
assert_se(parse_os_release(NULL, "ID", &id, "NAME", &name) == 3);
log_info("ID: %s NAME: %s", id, name);
assert_se(streq(id, "the-id"));
assert_se(streq(name, "the-name"));
assert_se(parse_os_release(NULL, "FOOBAR", &foobar) == 0);
log_info("FOOBAR: %s", strnull(foobar));
assert_se(foobar == NULL);
assert_se(unsetenv("SYSTEMD_OS_RELEASE") == 0);
}
TEST(load_os_release_pairs) {
_cleanup_(unlink_tempfilep) char tmpfile[] = "/tmp/test-os-util.XXXXXX";
assert_se(write_tmpfile(tmpfile,
"ID=\"ignored\" \n"
"ID=\"the-id\" \n"
"NAME='the-name'") == 0);
assert_se(setenv("SYSTEMD_OS_RELEASE", tmpfile, 1) == 0);
_cleanup_strv_free_ char **pairs = NULL;
assert_se(load_os_release_pairs(NULL, &pairs) == 0);
assert_se(strv_equal(pairs, STRV_MAKE("ID", "ignored", // FIXME
"ID", "the-id",
"NAME", "the-name")));
assert_se(unsetenv("SYSTEMD_OS_RELEASE") == 0);
}
DEFINE_TEST_MAIN(LOG_DEBUG);