qemu/tests/check-block-qdict.c

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/*
* Unit-tests for Block layer QDict extras
*
* Copyright (c) 2013-2018 Red Hat, Inc.
*
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
* See the COPYING.LIB file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "block/qdict.h"
#include "qapi/qmp/qlist.h"
#include "qapi/qmp/qnum.h"
#include "qapi/error.h"
static void qdict_defaults_test(void)
{
QDict *dict, *copy;
dict = qdict_new();
copy = qdict_new();
qdict_set_default_str(dict, "foo", "abc");
qdict_set_default_str(dict, "foo", "def");
g_assert_cmpstr(qdict_get_str(dict, "foo"), ==, "abc");
qdict_set_default_str(dict, "bar", "ghi");
qdict_copy_default(copy, dict, "foo");
g_assert_cmpstr(qdict_get_str(copy, "foo"), ==, "abc");
qdict_set_default_str(copy, "bar", "xyz");
qdict_copy_default(copy, dict, "bar");
g_assert_cmpstr(qdict_get_str(copy, "bar"), ==, "xyz");
qobject_unref(copy);
qobject_unref(dict);
}
static void qdict_flatten_test(void)
{
QList *e_1 = qlist_new();
QList *e = qlist_new();
QDict *e_1_2 = qdict_new();
QDict *f = qdict_new();
QList *y = qlist_new();
QDict *z = qdict_new();
QDict *root = qdict_new();
/*
* Test the flattening of
*
* {
* "e": [
* 42,
* [
* 23,
* 66,
* {
* "a": 0,
* "b": 1
* }
* ]
* ],
* "f": {
* "c": 2,
* "d": 3,
* },
* "g": 4,
* "y": [{}],
* "z": {"a": []}
* }
*
* to
*
* {
* "e.0": 42,
* "e.1.0": 23,
* "e.1.1": 66,
* "e.1.2.a": 0,
* "e.1.2.b": 1,
* "f.c": 2,
* "f.d": 3,
* "g": 4,
* "y.0": {},
* "z.a": []
* }
*/
qdict_put_int(e_1_2, "a", 0);
qdict_put_int(e_1_2, "b", 1);
qlist_append_int(e_1, 23);
qlist_append_int(e_1, 66);
qlist_append(e_1, e_1_2);
qlist_append_int(e, 42);
qlist_append(e, e_1);
qdict_put_int(f, "c", 2);
qdict_put_int(f, "d", 3);
qlist_append(y, qdict_new());
qdict_put(z, "a", qlist_new());
qdict_put(root, "e", e);
qdict_put(root, "f", f);
qdict_put_int(root, "g", 4);
qdict_put(root, "y", y);
qdict_put(root, "z", z);
qdict_flatten(root);
g_assert(qdict_get_int(root, "e.0") == 42);
g_assert(qdict_get_int(root, "e.1.0") == 23);
g_assert(qdict_get_int(root, "e.1.1") == 66);
g_assert(qdict_get_int(root, "e.1.2.a") == 0);
g_assert(qdict_get_int(root, "e.1.2.b") == 1);
g_assert(qdict_get_int(root, "f.c") == 2);
g_assert(qdict_get_int(root, "f.d") == 3);
g_assert(qdict_get_int(root, "g") == 4);
g_assert(!qdict_size(qdict_get_qdict(root, "y.0")));
g_assert(qlist_empty(qdict_get_qlist(root, "z.a")));
g_assert(qdict_size(root) == 10);
qobject_unref(root);
}
static void qdict_clone_flatten_test(void)
{
QDict *dict1 = qdict_new();
QDict *dict2 = qdict_new();
QDict *cloned_dict1;
/*
* Test that we can clone and flatten
* { "a": { "b": 42 } }
* without modifying the clone.
*/
qdict_put_int(dict2, "b", 42);
qdict_put(dict1, "a", dict2);
cloned_dict1 = qdict_clone_shallow(dict1);
qdict_flatten(dict1);
g_assert(qdict_size(dict1) == 1);
g_assert(qdict_get_int(dict1, "a.b") == 42);
g_assert(qdict_size(cloned_dict1) == 1);
g_assert(qdict_get_qdict(cloned_dict1, "a") == dict2);
g_assert(qdict_size(dict2) == 1);
g_assert(qdict_get_int(dict2, "b") == 42);
qobject_unref(dict1);
qobject_unref(cloned_dict1);
}
static void qdict_array_split_test(void)
{
QDict *test_dict = qdict_new();
QDict *dict1, *dict2;
QNum *int1;
QList *test_list;
/*
* Test the split of
*
* {
* "1.x": 0,
* "4.y": 1,
* "0.a": 42,
* "o.o": 7,
* "0.b": 23,
* "2": 66
* }
*
* to
*
* [
* {
* "a": 42,
* "b": 23
* },
* {
* "x": 0
* },
* 66
* ]
*
* and
*
* {
* "4.y": 1,
* "o.o": 7
* }
*
* (remaining in the old QDict)
*
* This example is given in the comment of qdict_array_split().
*/
qdict_put_int(test_dict, "1.x", 0);
qdict_put_int(test_dict, "4.y", 1);
qdict_put_int(test_dict, "0.a", 42);
qdict_put_int(test_dict, "o.o", 7);
qdict_put_int(test_dict, "0.b", 23);
qdict_put_int(test_dict, "2", 66);
qdict_array_split(test_dict, &test_list);
dict1 = qobject_to(QDict, qlist_pop(test_list));
dict2 = qobject_to(QDict, qlist_pop(test_list));
int1 = qobject_to(QNum, qlist_pop(test_list));
g_assert(dict1);
g_assert(dict2);
g_assert(int1);
g_assert(qlist_empty(test_list));
qobject_unref(test_list);
g_assert(qdict_get_int(dict1, "a") == 42);
g_assert(qdict_get_int(dict1, "b") == 23);
g_assert(qdict_size(dict1) == 2);
qobject_unref(dict1);
g_assert(qdict_get_int(dict2, "x") == 0);
g_assert(qdict_size(dict2) == 1);
qobject_unref(dict2);
g_assert_cmpint(qnum_get_int(int1), ==, 66);
qobject_unref(int1);
g_assert(qdict_get_int(test_dict, "4.y") == 1);
g_assert(qdict_get_int(test_dict, "o.o") == 7);
g_assert(qdict_size(test_dict) == 2);
qobject_unref(test_dict);
/*
* Test the split of
*
* {
* "0": 42,
* "1": 23,
* "1.x": 84
* }
*
* to
*
* [
* 42
* ]
*
* and
*
* {
* "1": 23,
* "1.x": 84
* }
*
* That is, test whether splitting stops if there is both an entry with key
* of "%u" and other entries with keys prefixed "%u." for the same index.
*/
test_dict = qdict_new();
qdict_put_int(test_dict, "0", 42);
qdict_put_int(test_dict, "1", 23);
qdict_put_int(test_dict, "1.x", 84);
qdict_array_split(test_dict, &test_list);
int1 = qobject_to(QNum, qlist_pop(test_list));
g_assert(int1);
g_assert(qlist_empty(test_list));
qobject_unref(test_list);
g_assert_cmpint(qnum_get_int(int1), ==, 42);
qobject_unref(int1);
g_assert(qdict_get_int(test_dict, "1") == 23);
g_assert(qdict_get_int(test_dict, "1.x") == 84);
g_assert(qdict_size(test_dict) == 2);
qobject_unref(test_dict);
}
static void qdict_array_entries_test(void)
{
QDict *dict = qdict_new();
g_assert_cmpint(qdict_array_entries(dict, "foo."), ==, 0);
qdict_put_int(dict, "bar", 0);
qdict_put_int(dict, "baz.0", 0);
g_assert_cmpint(qdict_array_entries(dict, "foo."), ==, 0);
qdict_put_int(dict, "foo.1", 0);
g_assert_cmpint(qdict_array_entries(dict, "foo."), ==, -EINVAL);
qdict_put_int(dict, "foo.0", 0);
g_assert_cmpint(qdict_array_entries(dict, "foo."), ==, 2);
qdict_put_int(dict, "foo.bar", 0);
g_assert_cmpint(qdict_array_entries(dict, "foo."), ==, -EINVAL);
qdict_del(dict, "foo.bar");
qdict_put_int(dict, "foo.2.a", 0);
qdict_put_int(dict, "foo.2.b", 0);
qdict_put_int(dict, "foo.2.c", 0);
g_assert_cmpint(qdict_array_entries(dict, "foo."), ==, 3);
g_assert_cmpint(qdict_array_entries(dict, ""), ==, -EINVAL);
qobject_unref(dict);
dict = qdict_new();
qdict_put_int(dict, "1", 0);
g_assert_cmpint(qdict_array_entries(dict, ""), ==, -EINVAL);
qdict_put_int(dict, "0", 0);
g_assert_cmpint(qdict_array_entries(dict, ""), ==, 2);
qdict_put_int(dict, "bar", 0);
g_assert_cmpint(qdict_array_entries(dict, ""), ==, -EINVAL);
qdict_del(dict, "bar");
qdict_put_int(dict, "2.a", 0);
qdict_put_int(dict, "2.b", 0);
qdict_put_int(dict, "2.c", 0);
g_assert_cmpint(qdict_array_entries(dict, ""), ==, 3);
qobject_unref(dict);
}
static void qdict_join_test(void)
{
QDict *dict1, *dict2;
bool overwrite = false;
int i;
dict1 = qdict_new();
dict2 = qdict_new();
/* Test everything once without overwrite and once with */
do {
/* Test empty dicts */
qdict_join(dict1, dict2, overwrite);
g_assert(qdict_size(dict1) == 0);
g_assert(qdict_size(dict2) == 0);
/* First iteration: Test movement */
/* Second iteration: Test empty source and non-empty destination */
qdict_put_int(dict2, "foo", 42);
for (i = 0; i < 2; i++) {
qdict_join(dict1, dict2, overwrite);
g_assert(qdict_size(dict1) == 1);
g_assert(qdict_size(dict2) == 0);
g_assert(qdict_get_int(dict1, "foo") == 42);
}
/* Test non-empty source and destination without conflict */
qdict_put_int(dict2, "bar", 23);
qdict_join(dict1, dict2, overwrite);
g_assert(qdict_size(dict1) == 2);
g_assert(qdict_size(dict2) == 0);
g_assert(qdict_get_int(dict1, "foo") == 42);
g_assert(qdict_get_int(dict1, "bar") == 23);
/* Test conflict */
qdict_put_int(dict2, "foo", 84);
qdict_join(dict1, dict2, overwrite);
g_assert(qdict_size(dict1) == 2);
g_assert(qdict_size(dict2) == !overwrite);
g_assert(qdict_get_int(dict1, "foo") == (overwrite ? 84 : 42));
g_assert(qdict_get_int(dict1, "bar") == 23);
if (!overwrite) {
g_assert(qdict_get_int(dict2, "foo") == 84);
}
/* Check the references */
g_assert(qdict_get(dict1, "foo")->base.refcnt == 1);
g_assert(qdict_get(dict1, "bar")->base.refcnt == 1);
if (!overwrite) {
g_assert(qdict_get(dict2, "foo")->base.refcnt == 1);
}
/* Clean up */
qdict_del(dict1, "foo");
qdict_del(dict1, "bar");
if (!overwrite) {
qdict_del(dict2, "foo");
}
} while (overwrite ^= true);
qobject_unref(dict1);
qobject_unref(dict2);
}
static void qdict_crumple_test_recursive(void)
{
QDict *src, *dst, *rule, *vnc, *acl, *listen;
QDict *empty, *empty_dict, *empty_list_0;
QList *rules, *empty_list, *empty_dict_a;
src = qdict_new();
qdict_put_str(src, "vnc.listen.addr", "127.0.0.1");
qdict_put_str(src, "vnc.listen.port", "5901");
qdict_put_str(src, "vnc.acl.rules.0.match", "fred");
qdict_put_str(src, "vnc.acl.rules.0.policy", "allow");
qdict_put_str(src, "vnc.acl.rules.1.match", "bob");
qdict_put_str(src, "vnc.acl.rules.1.policy", "deny");
qdict_put_str(src, "vnc.acl.default", "deny");
qdict_put_str(src, "vnc.acl..name", "acl0");
qdict_put_str(src, "vnc.acl.rule..name", "acl0");
qdict_put(src, "empty.dict.a", qlist_new());
qdict_put(src, "empty.list.0", qdict_new());
dst = qobject_to(QDict, qdict_crumple(src, &error_abort));
g_assert(dst);
g_assert_cmpint(qdict_size(dst), ==, 2);
vnc = qdict_get_qdict(dst, "vnc");
g_assert(vnc);
g_assert_cmpint(qdict_size(vnc), ==, 3);
listen = qdict_get_qdict(vnc, "listen");
g_assert(listen);
g_assert_cmpint(qdict_size(listen), ==, 2);
g_assert_cmpstr("127.0.0.1", ==, qdict_get_str(listen, "addr"));
g_assert_cmpstr("5901", ==, qdict_get_str(listen, "port"));
acl = qdict_get_qdict(vnc, "acl");
g_assert(acl);
g_assert_cmpint(qdict_size(acl), ==, 3);
rules = qdict_get_qlist(acl, "rules");
g_assert(rules);
g_assert_cmpint(qlist_size(rules), ==, 2);
rule = qobject_to(QDict, qlist_pop(rules));
g_assert(rule);
g_assert_cmpint(qdict_size(rule), ==, 2);
g_assert_cmpstr("fred", ==, qdict_get_str(rule, "match"));
g_assert_cmpstr("allow", ==, qdict_get_str(rule, "policy"));
qobject_unref(rule);
rule = qobject_to(QDict, qlist_pop(rules));
g_assert(rule);
g_assert_cmpint(qdict_size(rule), ==, 2);
g_assert_cmpstr("bob", ==, qdict_get_str(rule, "match"));
g_assert_cmpstr("deny", ==, qdict_get_str(rule, "policy"));
qobject_unref(rule);
/* With recursive crumpling, we should see all names unescaped */
g_assert_cmpstr("acl0", ==, qdict_get_str(vnc, "acl.name"));
g_assert_cmpstr("acl0", ==, qdict_get_str(acl, "rule.name"));
empty = qdict_get_qdict(dst, "empty");
g_assert(empty);
g_assert_cmpint(qdict_size(empty), ==, 2);
empty_dict = qdict_get_qdict(empty, "dict");
g_assert(empty_dict);
g_assert_cmpint(qdict_size(empty_dict), ==, 1);
empty_dict_a = qdict_get_qlist(empty_dict, "a");
g_assert(empty_dict_a && qlist_empty(empty_dict_a));
empty_list = qdict_get_qlist(empty, "list");
g_assert(empty_list);
g_assert_cmpint(qlist_size(empty_list), ==, 1);
empty_list_0 = qobject_to(QDict, qlist_pop(empty_list));
g_assert(empty_list_0);
g_assert_cmpint(qdict_size(empty_list_0), ==, 0);
qobject_unref(empty_list_0);
qobject_unref(src);
qobject_unref(dst);
}
static void qdict_crumple_test_empty(void)
{
QDict *src, *dst;
src = qdict_new();
dst = qobject_to(QDict, qdict_crumple(src, &error_abort));
g_assert_cmpint(qdict_size(dst), ==, 0);
qobject_unref(src);
qobject_unref(dst);
}
static int qdict_count_entries(QDict *dict)
{
const QDictEntry *e;
int count = 0;
for (e = qdict_first(dict); e; e = qdict_next(dict, e)) {
count++;
}
return count;
}
static void qdict_rename_keys_test(void)
{
QDict *dict = qdict_new();
QDict *copy;
QDictRenames *renames;
Error *local_err = NULL;
qdict_put_str(dict, "abc", "foo");
qdict_put_str(dict, "abcdef", "bar");
qdict_put_int(dict, "number", 42);
qdict_put_bool(dict, "flag", true);
qdict_put_null(dict, "nothing");
/* Empty rename list */
renames = (QDictRenames[]) {
{ NULL, "this can be anything" }
};
copy = qdict_clone_shallow(dict);
qdict_rename_keys(copy, renames, &error_abort);
g_assert_cmpstr(qdict_get_str(copy, "abc"), ==, "foo");
g_assert_cmpstr(qdict_get_str(copy, "abcdef"), ==, "bar");
g_assert_cmpint(qdict_get_int(copy, "number"), ==, 42);
g_assert_cmpint(qdict_get_bool(copy, "flag"), ==, true);
g_assert(qobject_type(qdict_get(copy, "nothing")) == QTYPE_QNULL);
g_assert_cmpint(qdict_count_entries(copy), ==, 5);
qobject_unref(copy);
/* Simple rename of all entries */
renames = (QDictRenames[]) {
{ "abc", "str1" },
{ "abcdef", "str2" },
{ "number", "int" },
{ "flag", "bool" },
{ "nothing", "null" },
{ NULL , NULL }
};
copy = qdict_clone_shallow(dict);
qdict_rename_keys(copy, renames, &error_abort);
g_assert(!qdict_haskey(copy, "abc"));
g_assert(!qdict_haskey(copy, "abcdef"));
g_assert(!qdict_haskey(copy, "number"));
g_assert(!qdict_haskey(copy, "flag"));
g_assert(!qdict_haskey(copy, "nothing"));
g_assert_cmpstr(qdict_get_str(copy, "str1"), ==, "foo");
g_assert_cmpstr(qdict_get_str(copy, "str2"), ==, "bar");
g_assert_cmpint(qdict_get_int(copy, "int"), ==, 42);
g_assert_cmpint(qdict_get_bool(copy, "bool"), ==, true);
g_assert(qobject_type(qdict_get(copy, "null")) == QTYPE_QNULL);
g_assert_cmpint(qdict_count_entries(copy), ==, 5);
qobject_unref(copy);
/* Renames are processed top to bottom */
renames = (QDictRenames[]) {
{ "abc", "tmp" },
{ "abcdef", "abc" },
{ "number", "abcdef" },
{ "flag", "number" },
{ "nothing", "flag" },
{ "tmp", "nothing" },
{ NULL , NULL }
};
copy = qdict_clone_shallow(dict);
qdict_rename_keys(copy, renames, &error_abort);
g_assert_cmpstr(qdict_get_str(copy, "nothing"), ==, "foo");
g_assert_cmpstr(qdict_get_str(copy, "abc"), ==, "bar");
g_assert_cmpint(qdict_get_int(copy, "abcdef"), ==, 42);
g_assert_cmpint(qdict_get_bool(copy, "number"), ==, true);
g_assert(qobject_type(qdict_get(copy, "flag")) == QTYPE_QNULL);
g_assert(!qdict_haskey(copy, "tmp"));
g_assert_cmpint(qdict_count_entries(copy), ==, 5);
qobject_unref(copy);
/* Conflicting rename */
renames = (QDictRenames[]) {
{ "abcdef", "abc" },
{ NULL , NULL }
};
copy = qdict_clone_shallow(dict);
qdict_rename_keys(copy, renames, &local_err);
error_free_or_abort(&local_err);
g_assert_cmpstr(qdict_get_str(copy, "abc"), ==, "foo");
g_assert_cmpstr(qdict_get_str(copy, "abcdef"), ==, "bar");
g_assert_cmpint(qdict_get_int(copy, "number"), ==, 42);
g_assert_cmpint(qdict_get_bool(copy, "flag"), ==, true);
g_assert(qobject_type(qdict_get(copy, "nothing")) == QTYPE_QNULL);
g_assert_cmpint(qdict_count_entries(copy), ==, 5);
qobject_unref(copy);
/* Renames in an empty dict */
renames = (QDictRenames[]) {
{ "abcdef", "abc" },
{ NULL , NULL }
};
qobject_unref(dict);
dict = qdict_new();
qdict_rename_keys(dict, renames, &error_abort);
g_assert(qdict_first(dict) == NULL);
qobject_unref(dict);
}
static void qdict_crumple_test_bad_inputs(void)
{
QDict *src, *nested;
Error *error = NULL;
src = qdict_new();
/* rule.0 can't be both a string and a dict */
qdict_put_str(src, "rule.0", "fred");
qdict_put_str(src, "rule.0.policy", "allow");
g_assert(qdict_crumple(src, &error) == NULL);
error_free_or_abort(&error);
qobject_unref(src);
src = qdict_new();
/* rule can't be both a list and a dict */
qdict_put_str(src, "rule.0", "fred");
qdict_put_str(src, "rule.a", "allow");
g_assert(qdict_crumple(src, &error) == NULL);
error_free_or_abort(&error);
qobject_unref(src);
src = qdict_new();
/* The input should be flat, ie no dicts or lists */
nested = qdict_new();
qdict_put(nested, "x", qdict_new());
qdict_put(src, "rule.a", nested);
qdict_put_str(src, "rule.b", "allow");
g_assert(qdict_crumple(src, &error) == NULL);
error_free_or_abort(&error);
qobject_unref(src);
src = qdict_new();
/* List indexes must not have gaps */
qdict_put_str(src, "rule.0", "deny");
qdict_put_str(src, "rule.3", "allow");
g_assert(qdict_crumple(src, &error) == NULL);
error_free_or_abort(&error);
qobject_unref(src);
src = qdict_new();
/* List indexes must be in %zu format */
qdict_put_str(src, "rule.0", "deny");
qdict_put_str(src, "rule.+1", "allow");
g_assert(qdict_crumple(src, &error) == NULL);
error_free_or_abort(&error);
qobject_unref(src);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
g_test_add_func("/public/defaults", qdict_defaults_test);
g_test_add_func("/public/flatten", qdict_flatten_test);
g_test_add_func("/public/clone_flatten", qdict_clone_flatten_test);
g_test_add_func("/public/array_split", qdict_array_split_test);
g_test_add_func("/public/array_entries", qdict_array_entries_test);
g_test_add_func("/public/join", qdict_join_test);
g_test_add_func("/public/crumple/recursive",
qdict_crumple_test_recursive);
g_test_add_func("/public/crumple/empty",
qdict_crumple_test_empty);
g_test_add_func("/public/crumple/bad_inputs",
qdict_crumple_test_bad_inputs);
g_test_add_func("/public/rename_keys", qdict_rename_keys_test);
return g_test_run();
}