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//
// Copyright 2024 Staysail Systems, Inc. <info@staysail.tech>
// Copyright 2018 Capitar IT Group BV <info@capitar.com>
//
// This software is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
#include "core/nng_impl.h"
#include <nuts.h>
#include <stdio.h>
#include <string.h>
#ifdef NNG_PLATFORM_POSIX
#include <sys/stat.h>
#include <unistd.h>
#endif
static void
test_permissions(void)
{
#ifdef NNG_PLATFORM_POSIX
char *temp;
char *file;
void *data;
size_t n;
if (geteuid() == 0) {
NUTS_SKIP("Cannot test permissions as root");
return;
}
temp = nni_plat_temp_dir();
NUTS_TRUE(temp != NULL);
file = nni_file_join(temp, "nng_files_perms_test");
NUTS_PASS(nni_file_put(file, "abc", 4));
chmod(file, 0);
NUTS_FAIL(nni_file_get(file, &data, &n), NNG_EPERM);
NUTS_FAIL(nni_file_put(file, "def", 4), NNG_EPERM);
nni_file_delete(file);
nni_strfree(file);
nni_strfree(temp);
#else
NUTS_SKIP("Not a POSIX platform");
#endif
}
struct walkarg {
int a;
int b;
int c;
int d;
int seen;
};
static int
walker(const char *name, void *arg)
{
struct walkarg *wa = arg;
const char *bn;
bn = nni_file_basename(name);
if (wa != NULL) {
wa->seen++;
if (strcmp(bn, "a") == 0) {
wa->a++;
} else if (strcmp(bn, "b") == 0) {
wa->b++;
} else if (strcmp(bn, "c") == 0) {
wa->c++;
} else if (strcmp(bn, "d") == 0) {
wa->d++;
}
}
if (strcmp(bn, "stop") == 0) {
return (NNI_FILE_WALK_STOP);
}
if (strcmp(bn, "prunechild") == 0) {
return (NNI_FILE_WALK_PRUNE_CHILD);
}
if (strcmp(bn, "prunesib") == 0) {
return (NNI_FILE_WALK_PRUNE_SIB);
}
return (NNI_FILE_WALK_CONTINUE);
}
static void
test_directory_names(void)
{
char *d;
NUTS_TRUE((d = nni_plat_temp_dir()) != NULL);
nni_strfree(d);
NUTS_TRUE((d = nni_file_join("a", "b")) != NULL);
NUTS_TRUE(d[0] == 'a');
NUTS_TRUE(d[2] == 'b');
NUTS_TRUE(d[3] == '\0');
NUTS_TRUE((d[1] == '/') || (d[1] == '\\'));
nni_strfree(d);
}
static void
test_create_file_in_absent_dir(void)
{
int rv;
char *tmp;
char *d1;
char *d2;
NUTS_TRUE((tmp = nni_plat_temp_dir()) != NULL);
NUTS_TRUE((d1 = nni_file_join(tmp, "bogusdir")) != NULL);
NUTS_TRUE((d2 = nni_file_join(d1, "a")) != NULL);
NUTS_TRUE((rv = nni_plat_file_put(d2, "", 0)) == 0);
NUTS_PASS(nni_file_delete(d2));
NUTS_PASS(nni_file_delete(d1));
nni_strfree(d2);
nni_strfree(d1);
nni_strfree(tmp);
}
static void
test_cannot_read_missing_file(void)
{
void *data;
size_t n;
NUTS_FAIL(nni_file_get("/bogus/dir/a", &data, &n), NNG_ENOENT);
}
static void
test_delete_missing_file(void)
{
NUTS_PASS(nni_file_delete("/bogus/dir/a"));
}
static void
test_walk_missing_dir(void)
{
NUTS_FAIL(nni_file_walk("/bogus/dir/a", walker, NULL, 0), NNG_ENOENT);
}
struct scratch {
char *temp;
char *mydir;
char *a;
char *b;
char *c;
char *d;
};
static void
make_scratch(struct scratch *s)
{
s->temp = nni_plat_temp_dir();
NUTS_TRUE(s->temp != NULL);
s->mydir = nni_file_join(s->temp, "nng_files_test");
NUTS_TRUE(s->mydir != NULL);
s->a = nni_file_join(s->mydir, "a");
NUTS_TRUE(s->a != NULL);
s->b = nni_file_join(s->mydir, "b");
NUTS_TRUE(s->b != NULL);
s->c = nni_file_join(s->mydir, "c");
NUTS_TRUE(s->c != NULL);
s->d = nni_file_join(s->c, "d");
NUTS_TRUE(s->d != NULL);
NUTS_PASS(nni_file_put(s->a, "alpha", 6));
NUTS_PASS(nni_file_put(s->b, "bravo", 6));
NUTS_PASS(nni_file_put(s->d, "delta", 6));
}
static void
clean_scratch(struct scratch *s)
{
nni_strfree(s->temp);
nni_file_delete(s->a);
nni_file_delete(s->b);
nni_file_delete(s->d);
nni_file_delete(s->c);
nni_file_delete(s->mydir);
nni_strfree(s->a);
nni_strfree(s->b);
nni_strfree(s->c);
nni_strfree(s->d);
nni_strfree(s->mydir);
}
static void
test_directory_walk(void)
{
struct scratch s = { 0 };
struct walkarg wa = { 0 };
make_scratch(&s);
memset(&wa, 0, sizeof(wa));
NUTS_PASS(nni_file_walk(s.mydir, walker, &wa, 0));
NUTS_TRUE(wa.a == 1);
NUTS_TRUE(wa.b == 1);
NUTS_TRUE(wa.c == 1);
NUTS_TRUE(wa.d == 1);
NUTS_TRUE(wa.seen == 4);
memset(&wa, 0, sizeof(wa));
NUTS_PASS(
nni_file_walk(s.mydir, walker, &wa, NNI_FILE_WALK_FILES_ONLY));
NUTS_TRUE(wa.a == 1);
NUTS_TRUE(wa.b == 1);
NUTS_TRUE(wa.c == 0);
NUTS_TRUE(wa.d == 1);
NUTS_TRUE(wa.seen == 3);
memset(&wa, 0, sizeof(wa));
NUTS_PASS(nni_file_walk(s.mydir, walker, &wa, NNI_FILE_WALK_SHALLOW));
NUTS_TRUE(wa.a == 1);
NUTS_TRUE(wa.b == 1);
NUTS_TRUE(wa.c == 1);
NUTS_TRUE(wa.d == 0);
NUTS_TRUE(wa.seen == 3);
memset(&wa, 0, sizeof(wa));
NUTS_PASS(nni_file_walk(s.mydir, walker, &wa,
NNI_FILE_WALK_SHALLOW | NNI_FILE_WALK_FILES_ONLY));
NUTS_TRUE(wa.a == 1);
NUTS_TRUE(wa.b == 1);
NUTS_TRUE(wa.c == 0);
NUTS_TRUE(wa.d == 0);
NUTS_TRUE(wa.seen == 2);
clean_scratch(&s);
}
static void
test_file_contents(void)
{
void *data;
size_t len;
struct scratch s = { 0 };
make_scratch(&s);
NUTS_PASS(nni_file_get(s.a, &data, &len));
NUTS_TRUE(len == 6);
NUTS_MATCH(data, "alpha");
nni_free(data, len);
clean_scratch(&s);
}
static void
test_empty_files(void)
{
char *temp;
char *empty;
void *data;
size_t n;
temp = nni_plat_temp_dir();
NUTS_TRUE(temp != NULL);
empty = nni_file_join(temp, "nng_files_test1");
NUTS_TRUE(empty != NULL);
NUTS_PASS(nni_file_put(empty, "", 0));
NUTS_PASS(nni_file_get(empty, &data, &n));
nni_free(data, n);
NUTS_TRUE(n == 0);
nni_file_delete(empty);
nni_strfree(empty);
nni_strfree(temp);
}
NUTS_TESTS = {
{ "permissions", test_permissions },
{ "directory names", test_directory_names },
{ "create file absent dir", test_create_file_in_absent_dir },
{ "cannot read missing file", test_cannot_read_missing_file },
{ "delete missing file", test_delete_missing_file },
{ "walk missing dir", test_walk_missing_dir },
{ "walk directory", test_directory_walk },
{ "file contents", test_file_contents },
{ "empty files", test_empty_files },
{ NULL, NULL },
};
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