tests/unit/test_condition.cpp

   1 /*
   2  * test_condition.c
   3  *
   4  * Unit tests for the condition API.
   5  *
   6  * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
   7  *
   8  * SPDX-License-Identifier: GPL-2.0-only
   9  *
  10  */
  11
  12 #include <common/buffer-view.hpp>
  13 #include <common/dynamic-buffer.hpp>
  14
  15 #include <lttng/condition/condition-internal.hpp>
  16 #include <lttng/condition/event-rule-matches-internal.hpp>
  17 #include <lttng/condition/event-rule-matches.h>
  18 #include <lttng/domain.h>
  19 #include <lttng/event-rule/user-tracepoint.h>
  20 #include <lttng/event.h>
  21 #include <lttng/log-level-rule.h>
  22
  23 #include <inttypes.h>
  24 #include <stdio.h>
  25 #include <string.h>
  26 #include <tap/tap.h>
  27 #include <unistd.h>
  28
  29 /* For error.h */
  30 int lttng_opt_quiet = 1;
  31 int lttng_opt_verbose;
  32 int lttng_opt_mi;
  33
  34 #define NUM_TESTS 13
  35
  36 static void test_condition_event_rule()
  37 {
  38         int ret, i;
  39         struct lttng_event_rule *tracepoint = nullptr;
  40         const struct lttng_event_rule *tracepoint_tmp = nullptr;
  41         enum lttng_event_rule_status status;
  42         struct lttng_condition *condition = nullptr;
  43         struct lttng_condition *condition_from_buffer = nullptr;
  44         enum lttng_condition_status condition_status;
  45         const char *pattern = "my_event_*";
  46         const char *filter = "msg_id == 23 && size >= 2048";
  47         const char *exclusions[] = { "my_event_test1", "my_event_test2", "my_event_test3" };
  48         struct lttng_log_level_rule *log_level_rule_at_least_as_severe = nullptr;
  49         struct lttng_payload buffer;
  50
  51         lttng_payload_init(&buffer);
  52
  53         /* Create log level rule. */
  54         log_level_rule_at_least_as_severe =
  55                 lttng_log_level_rule_at_least_as_severe_as_create(LTTNG_LOGLEVEL_WARNING);
  56         LTTNG_ASSERT(log_level_rule_at_least_as_severe);
  57
  58         tracepoint = lttng_event_rule_user_tracepoint_create();
  59         ok(tracepoint, "user tracepoint");
  60
  61         status = lttng_event_rule_user_tracepoint_set_name_pattern(tracepoint, pattern);
  62         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "Setting pattern");
  63
  64         status = lttng_event_rule_user_tracepoint_set_filter(tracepoint, filter);
  65         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "Setting filter");
  66
  67         status = lttng_event_rule_user_tracepoint_set_log_level_rule(
  68                 tracepoint, log_level_rule_at_least_as_severe);
  69         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "Setting log level range");
  70
  71         for (i = 0; i < 3; i++) {
  72                 status = lttng_event_rule_user_tracepoint_add_name_pattern_exclusion(tracepoint,
  73                                                                                      exclusions[i]);
  74                 ok(status == LTTNG_EVENT_RULE_STATUS_OK, "Setting exclusion pattern");
  75         }
  76
  77         condition = lttng_condition_event_rule_matches_create(tracepoint);
  78         ok(condition, "Created condition");
  79
  80         condition_status = lttng_condition_event_rule_matches_get_rule(condition, &tracepoint_tmp);
  81         ok(condition_status == LTTNG_CONDITION_STATUS_OK,
  82            "Getting event rule from event rule condition");
  83         ok(tracepoint == tracepoint_tmp,
  84            "lttng_condition_event_rule_get_rule provides a reference to the original rule");
  85
  86         ret = lttng_condition_serialize(condition, &buffer);
  87         ok(ret == 0, "Condition serialized");
  88
  89         {
  90                 struct lttng_payload_view view = lttng_payload_view_from_payload(&buffer, 0, -1);
  91
  92                 (void) lttng_condition_create_from_payload(&view, &condition_from_buffer);
  93         }
  94
  95         ok(condition_from_buffer, "Condition created from payload is non-null");
  96
  97         ok(lttng_condition_is_equal(condition, condition_from_buffer),
  98            "Serialized and de-serialized conditions are equal");
  99
 100         lttng_payload_reset(&buffer);
 101         lttng_event_rule_destroy(tracepoint);
 102         lttng_condition_destroy(condition);
 103         lttng_condition_destroy(condition_from_buffer);
 104         lttng_log_level_rule_destroy(log_level_rule_at_least_as_severe);
 105 }
 106
 107 int main()
 108 {
 109         plan_tests(NUM_TESTS);
 110         test_condition_event_rule();
 111         return exit_status();
 112 }