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test-env-file: add test that tests our env file read + writer + shell against each other 

Should hopefully make regressions on this unlikely.
This commit is contained in:
Lennart Poettering 2020-09-11 15:18:07 +02:00
parent de008e537d
commit 55f99c26c6
1 changed files with 45 additions and 0 deletions
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45
src/test/test-env-file.c
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@ -2,6 +2,7 @@
#include "env-file.h"
#include "fd-util.h"
#include "fileio.h"
#include "fs-util.h"
#include "macro.h"
#include "strv.h"
@ -132,6 +133,46 @@ static void test_load_env_file_5(void) {
assert_se(data[2] == NULL);
}
static void test_write_and_load_env_file(void) {
const char *v;
/* Make sure that our writer, parser and the shell agree on what our env var files mean */
FOREACH_STRING(v,
"obbardc-laptop",
"obbardc\\-laptop",
"obbardc-lap\\top",
"obbardc-lap\\top",
"obbardc-lap\\\\top",
"double\"quote",
"single\'quote",
"dollar$dollar",
"newline\nnewline") {
_cleanup_(unlink_and_freep) char *p = NULL;
_cleanup_strv_free_ char **l = NULL;
_cleanup_free_ char *j = NULL, *w = NULL, *cmd = NULL, *from_shell = NULL;
_cleanup_fclose_ FILE *f = NULL;
size_t sz;
assert_se(tempfn_random_child(NULL, NULL, &p) >= 0);
assert_se(j = strjoin("TEST=", v));
assert_se(write_env_file(p, STRV_MAKE(j)) >= 0);
assert_se(cmd = strjoin(". ", p, " && /bin/echo -n \"$TEST\""));
assert_se(f = popen(cmd, "re"));
assert_se(read_full_stream(f, &from_shell, &sz) >= 0);
assert_se(sz == strlen(v));
assert_se(streq(from_shell, v));
assert_se(load_env_file(NULL, p, &l) >= 0);
assert_se(strv_equal(l, STRV_MAKE(j)));
assert_se(parse_env_file(NULL, p, "TEST", &w) >= 0);
assert_se(streq_ptr(w, v));
}
}
int main(int argc, char *argv[]) {
test_setup_logging(LOG_INFO);
@ -140,4 +181,8 @@ int main(int argc, char *argv[]) {
test_load_env_file_3();
test_load_env_file_4();
test_load_env_file_5();
test_write_and_load_env_file();
return 0;
}