LCOV - code coverage report
Current view: top level - lib/ldb/tests - ldb_parse_test.c (source / functions) Hit Total Coverage
Test: coverage report for master 6248eab5 Lines: 46 46 100.0 %
Date: 2021-08-25 13:27:56 Functions: 7 7 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Tests exercising the ldb parse operations.
       3             :  *
       4             :  * Copyright (C) Catalyst.NET Ltd 2017
       5             :  * Copyright (C) Michael Hanselmann 2019
       6             :  *
       7             :  * This program is free software; you can redistribute it and/or modify
       8             :  * it under the terms of the GNU General Public License as published by
       9             :  * the Free Software Foundation; either version 3 of the License, or
      10             :  * (at your option) any later version.
      11             :  *
      12             :  * This program is distributed in the hope that it will be useful,
      13             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15             :  * GNU General Public License for more details.
      16             :  *
      17             :  * You should have received a copy of the GNU General Public License
      18             :  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
      19             :  *
      20             :  */
      21             : 
      22             : #include <stdarg.h>
      23             : #include <stddef.h>
      24             : #include <stdint.h>
      25             : #include <setjmp.h>
      26             : #include <cmocka.h>
      27             : 
      28             : #include "../include/ldb.h"
      29             : 
      30             : struct test_ctx { uint8_t dummy; };
      31             : 
      32           3 : static int setup(void **state)
      33             : {
      34             :         struct test_ctx *ctx;
      35             : 
      36           3 :         ctx = talloc_zero(NULL, struct test_ctx);
      37           3 :         assert_non_null(ctx);
      38             : 
      39           3 :         *state = ctx;
      40             : 
      41           3 :         return 0;
      42             : }
      43             : 
      44           3 : static int teardown(void **state)
      45             : {
      46           3 :         struct test_ctx *ctx =
      47           3 :                 talloc_get_type_abort(*state, struct test_ctx);
      48             : 
      49           3 :         talloc_free(ctx);
      50             : 
      51           3 :         return 0;
      52             : }
      53             : 
      54           5 : static void test_roundtrip(TALLOC_CTX *mem_ctx, const char *filter, const char *expected)
      55             : {
      56             :         struct ldb_parse_tree *tree;
      57             :         char *serialized;
      58             : 
      59           5 :         assert_non_null(filter);
      60           5 :         assert_non_null(expected);
      61             : 
      62           5 :         tree = ldb_parse_tree(mem_ctx, filter);
      63           5 :         assert_non_null(tree);
      64             : 
      65           5 :         serialized = ldb_filter_from_tree(mem_ctx, tree);
      66           5 :         assert_non_null(serialized);
      67             : 
      68           5 :         assert_string_equal(serialized, expected);
      69           5 : }
      70             : 
      71           1 : static void test_parse_filtertype(void **state)
      72             : {
      73           1 :         struct test_ctx *ctx =
      74           1 :                 talloc_get_type_abort(*state, struct test_ctx);
      75             : 
      76           1 :         test_roundtrip(ctx, "", "(|(objectClass=*)(distinguishedName=*))");
      77           1 :         test_roundtrip(ctx, "a=value", "(a=value)");
      78           1 :         test_roundtrip(ctx, "(|(foo=bar)(baz=hello))", "(|(foo=bar)(baz=hello))");
      79           1 :         test_roundtrip(ctx, " ", "(|(objectClass=*)(distinguishedName=*))");
      80           1 : }
      81             : 
      82             : /*
      83             :  * Test that a nested query with 128 levels of nesting is accepted
      84             :  */
      85           1 : static void test_nested_filter_eq_limit(void **state)
      86             : {
      87           1 :         struct test_ctx *ctx =
      88           1 :                 talloc_get_type_abort(*state, struct test_ctx);
      89             : 
      90             :         /*
      91             :          * 128 nested clauses
      92             :          */
      93           1 :         const char *nested_query = ""
      94             :                 "(|(!(|(&(|(|(|(|(|(|(|(|(|(|(|(|"
      95             :                 "(|(!(|(&(|(|(|(|(|(|(!(|(!(|(|(|"
      96             :                 "(|(!(|(&(|(|(&(|(|(|(|(|(!(!(!(|"
      97             :                 "(|(!(|(&(|(|(|(|(|(|(|(|(|(|(|(|"
      98             :                 "(|(!(|(&(|(|(|(!(|(|(&(|(|(|(|(|"
      99             :                 "(|(!(|(&(|(|(&(|(|(|(|(|(&(&(|(|"
     100             :                 "(|(!(|(&(|(|(|(|(|(|(!(|(|(|(|(|"
     101             :                 "(|(!(|(&(|(|(!(|(|(|(|(|(|(|(|(|"
     102             :                 "(a=b)"
     103             :                 "))))))))))))))))"
     104             :                 "))))))))))))))))"
     105             :                 "))))))))))))))))"
     106             :                 "))))))))))))))))"
     107             :                 "))))))))))))))))"
     108             :                 "))))))))))))))))"
     109             :                 "))))))))))))))))"
     110             :                 "))))))))))))))))";
     111             : 
     112           1 :         struct ldb_parse_tree *tree = ldb_parse_tree(ctx, nested_query);
     113             : 
     114           1 :         assert_non_null(tree);
     115             :         /*
     116             :          * Check that we get the same query back
     117             :          */
     118           1 :         test_roundtrip(ctx, nested_query, nested_query);
     119           1 : }
     120             : 
     121             : /*
     122             :  * Test that a nested query with 129 levels of nesting is rejected.
     123             :  */
     124           1 : static void test_nested_filter_gt_limit(void **state)
     125             : {
     126           1 :         struct test_ctx *ctx =
     127           1 :                 talloc_get_type_abort(*state, struct test_ctx);
     128             : 
     129             :         /*
     130             :          * 129 nested clauses
     131             :          */
     132           1 :         const char *nested_query = ""
     133             :                 "(|(!(|(|(&(|(|(|(|(&(|(|(|(|(|(|"
     134             :                 "(|(!(|(|(&(|(|(|(|(|(|(|(|(|(|(|"
     135             :                 "(|(!(|(|(&(|(|(!(|(|(|(|(!(|(|(|"
     136             :                 "(|(!(|(|(&(|(|(|(|(|(|(|(|(|(|(|"
     137             :                 "(|(!(|(|(&(|(|(|(!(&(|(|(|(|(|(|"
     138             :                 "(|(!(|(|(&(|(|(|(|(|(|(|(|(|(|(|"
     139             :                 "(|(!(|(|(&(|(|(|(|(|(|(|(|(|(|(|"
     140             :                 "(|(!(|(|(&(|(|(|(|(|(|(|(|(&(|(|"
     141             :                 "(|"
     142             :                 "(a=b)"
     143             :                 ")"
     144             :                 "))))))))))))))))"
     145             :                 "))))))))))))))))"
     146             :                 "))))))))))))))))"
     147             :                 "))))))))))))))))"
     148             :                 "))))))))))))))))"
     149             :                 "))))))))))))))))"
     150             :                 "))))))))))))))))"
     151             :                 "))))))))))))))))";
     152             : 
     153           1 :         struct ldb_parse_tree *tree = ldb_parse_tree(ctx, nested_query);
     154             : 
     155           1 :         assert_null(tree);
     156           1 : }
     157             : 
     158           1 : int main(int argc, const char **argv)
     159             : {
     160           1 :         const struct CMUnitTest tests[] = {
     161             :                 cmocka_unit_test_setup_teardown(
     162             :                         test_parse_filtertype, setup, teardown),
     163             :                 cmocka_unit_test_setup_teardown(
     164             :                         test_nested_filter_eq_limit, setup, teardown),
     165             :                 cmocka_unit_test_setup_teardown(
     166             :                         test_nested_filter_gt_limit, setup, teardown),
     167             :         };
     168             : 
     169           1 :         cmocka_set_message_output(CM_OUTPUT_SUBUNIT);
     170             : 
     171           1 :         return cmocka_run_group_tests(tests, NULL, NULL);
     172             : }

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