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Unit tests for labelled storagedir entries

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This commit is contained in:
Nick Mathewson 2017-04-03 15:58:35 -04:00
parent 37bb3b31fa
commit 5f8860a16f
1 changed files with 105 additions and 0 deletions
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105
src/test/test_storagedir.c
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@ -256,6 +256,109 @@ test_storagedir_cleaning(void *arg)
}
}
static void
test_storagedir_save_labeled(void *arg)
{
(void)arg;
char *dirname = tor_strdup(get_fname_rnd("store_dir"));
storage_dir_t *d = NULL;
uint8_t *inp = tor_malloc_zero(8192);
config_line_t *labels = NULL;
char *fname = NULL;
uint8_t *saved = NULL;
d = storage_dir_new(dirname, 10);
tt_assert(d);
crypto_rand((char *)inp, 8192);
config_line_append(&labels, "Foo", "bar baz");
config_line_append(&labels, "quux", "quuzXxz");
const char expected[] =
"Foo bar baz\n"
"quux quuzXxz\n";
int r = storage_dir_save_labeled_to_file(d, labels, inp, 8192, &fname);
tt_int_op(r, OP_EQ, 0);
size_t n;
saved = storage_dir_read(d, fname, 1, &n);
tt_assert(memchr(saved, '\0', n));
tt_str_op((char*)saved, OP_EQ, expected); /* NUL guarantees strcmp works */
tt_mem_op(saved+strlen(expected)+1, OP_EQ, inp, 8192);
done:
storage_dir_free(d);
tor_free(dirname);
tor_free(inp);
tor_free(fname);
config_free_lines(labels);
tor_free(saved);
}
static void
test_storagedir_read_labeled(void *arg)
{
(void)arg;
char *dirname = tor_strdup(get_fname_rnd("store_dir"));
storage_dir_t *d = NULL;
uint8_t *inp = tor_malloc_zero(8192);
config_line_t *labels = NULL, *labels2 = NULL;
char *fname = NULL;
tor_mmap_t *map = NULL;
uint8_t *as_read = NULL;
d = storage_dir_new(dirname, 10);
tt_assert(d);
tor_snprintf((char*)inp, 8192,
"Hello world\n"
"This is a test\n"
"Yadda yadda.\n");
size_t bodylen = 8192 - strlen((char*)inp) - 1;
crypto_rand((char *)inp+strlen((char*)inp)+1, bodylen);
int r = storage_dir_save_bytes_to_file(d, inp, 8192, 1, &fname);
tt_int_op(r, OP_EQ, 0);
/* Try mapping */
const uint8_t *datap = NULL;
size_t sz = 0;
map = storage_dir_map_labeled(d, fname, &labels, &datap, &sz);
tt_assert(map);
tt_assert(datap);
tt_u64_op(sz, OP_EQ, bodylen);
tt_mem_op(datap, OP_EQ, inp+strlen((char*)inp)+1, bodylen);
tt_assert(labels);
tt_str_op(labels->key, OP_EQ, "Hello");
tt_str_op(labels->value, OP_EQ, "world");
tt_assert(labels->next);
tt_str_op(labels->next->key, OP_EQ, "This");
tt_str_op(labels->next->value, OP_EQ, "is a test");
tt_assert(labels->next->next);
tt_str_op(labels->next->next->key, OP_EQ, "Yadda");
tt_str_op(labels->next->next->value, OP_EQ, "yadda.");
tt_assert(labels->next->next->next == NULL);
/* Try reading this time. */
sz = 0;
as_read = storage_dir_read_labeled(d, fname, &labels2, &sz);
tt_assert(as_read);
tt_u64_op(sz, OP_EQ, bodylen);
tt_mem_op(as_read, OP_EQ, inp+strlen((char*)inp)+1, bodylen);
tt_assert(config_lines_eq(labels, labels2));
done:
storage_dir_free(d);
tor_free(dirname);
tor_free(inp);
tor_free(fname);
config_free_lines(labels);
config_free_lines(labels2);
tor_munmap_file(map);
tor_free(as_read);
}
#define ENT(name) \
{ #name, test_storagedir_ ## name, TT_FORK, NULL, NULL }
@ -265,6 +368,8 @@ struct testcase_t storagedir_tests[] = {
ENT(deletion),
ENT(full),
ENT(cleaning),
ENT(save_labeled),
ENT(read_labeled),
END_OF_TESTCASES
};