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 <inttypes.h>
  13 #include <stdio.h>
  14 #include <string.h>
  15 #include <unistd.h>
  16
  17 #include <tap/tap.h>
  18
  19 #include <lttng/event.h>
  20 #include <lttng/event-rule/user-tracepoint.h>
  21 #include <lttng/condition/condition-internal.hpp>
  22 #include <lttng/condition/event-rule-matches.h>
  23 #include <lttng/condition/event-rule-matches-internal.hpp>
  24 #include <lttng/domain.h>
  25 #include <lttng/log-level-rule.h>
  26 #include <common/dynamic-buffer.hpp>
  27 #include <common/buffer-view.hpp>
  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
  37 void test_condition_event_rule(void)
  38 {
  39         int ret, i;
  40         struct lttng_event_rule *tracepoint = NULL;
  41         const struct lttng_event_rule *tracepoint_tmp = NULL;
  42         enum lttng_event_rule_status status;
  43         struct lttng_condition *condition = NULL;
  44         struct lttng_condition *condition_from_buffer = NULL;
  45         enum lttng_condition_status condition_status;
  46         const char *pattern="my_event_*";
  47         const char *filter="msg_id == 23 && size >= 2048";
  48         const char *exclusions[] = { "my_event_test1", "my_event_test2", "my_event_test3" };
  49         struct lttng_log_level_rule *log_level_rule_at_least_as_severe = NULL;
  50         struct lttng_payload buffer;
  51
  52         lttng_payload_init(&buffer);
  53
  54         /* Create log level rule. */
  55         log_level_rule_at_least_as_severe =
  56                         lttng_log_level_rule_at_least_as_severe_as_create(
  57                                         LTTNG_LOGLEVEL_WARNING);
  58         LTTNG_ASSERT(log_level_rule_at_least_as_severe);
  59
  60         tracepoint = lttng_event_rule_user_tracepoint_create();
  61         ok(tracepoint, "user tracepoint");
  62
  63         status = lttng_event_rule_user_tracepoint_set_name_pattern(tracepoint, pattern);
  64         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "Setting pattern");
  65
  66         status = lttng_event_rule_user_tracepoint_set_filter(tracepoint, filter);
  67         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "Setting filter");
  68
  69         status = lttng_event_rule_user_tracepoint_set_log_level_rule(
  70                         tracepoint, log_level_rule_at_least_as_severe);
  71         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "Setting log level range");
  72
  73         for (i = 0; i < 3; i++) {
  74                 status = lttng_event_rule_user_tracepoint_add_name_pattern_exclusion(
  75                                 tracepoint, exclusions[i]);
  76                 ok(status == LTTNG_EVENT_RULE_STATUS_OK,
  77                                 "Setting exclusion pattern");
  78         }
  79
  80         condition = lttng_condition_event_rule_matches_create(tracepoint);
  81         ok(condition, "Created condition");
  82
  83         condition_status = lttng_condition_event_rule_matches_get_rule(
  84                         condition, &tracepoint_tmp);
  85         ok(condition_status == LTTNG_CONDITION_STATUS_OK,
  86                         "Getting event rule from event rule condition");
  87         ok(tracepoint == tracepoint_tmp, "lttng_condition_event_rule_get_rule provides a reference to the original rule");
  88
  89         ret = lttng_condition_serialize(condition, &buffer);
  90         ok(ret == 0, "Condition serialized");
  91
  92         {
  93                 struct lttng_payload_view view =
  94                                 lttng_payload_view_from_payload(&buffer, 0, -1);
  95
  96                 (void) lttng_condition_create_from_payload(
  97                                 &view, &condition_from_buffer);
  98         }
  99
 100         ok(condition_from_buffer, "Condition created from payload is non-null");
 101
 102         ok(lttng_condition_is_equal(condition, condition_from_buffer),
 103                         "Serialized and de-serialized conditions are equal");
 104
 105         lttng_payload_reset(&buffer);
 106         lttng_event_rule_destroy(tracepoint);
 107         lttng_condition_destroy(condition);
 108         lttng_condition_destroy(condition_from_buffer);
 109         lttng_log_level_rule_destroy(log_level_rule_at_least_as_severe);
 110 }
 111
 112 int main(void)
 113 {
 114         plan_tests(NUM_TESTS);
 115         test_condition_event_rule();
 116         return exit_status();
 117 }