tests/unit/test_condition.c

   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 <assert.h>
  13 #include <inttypes.h>
  14 #include <stdio.h>
  15 #include <string.h>
  16 #include <unistd.h>
  17
  18 #include <tap/tap.h>
  19
  20 #include <lttng/event.h>
  21 #include <lttng/event-rule/tracepoint.h>
  22 #include <lttng/condition/condition-internal.h>
  23 #include <lttng/condition/event-rule.h>
  24 #include <lttng/domain.h>
  25 #include <common/dynamic-buffer.h>
  26 #include <common/buffer-view.h>
  27
  28 /* For error.h */
  29 int lttng_opt_quiet = 1;
  30 int lttng_opt_verbose;
  31 int lttng_opt_mi;
  32
  33 #define NUM_TESTS 11
  34
  35 static
  36 void test_condition_event_rule(void)
  37 {
  38         int ret, i;
  39         struct lttng_event_rule *tracepoint = NULL;
  40         const struct lttng_event_rule *tracepoint_tmp = NULL;
  41         enum lttng_event_rule_status status;
  42         struct lttng_condition *condition = NULL;
  43         struct lttng_condition *condition_from_buffer = NULL;
  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_payload buffer;
  49
  50         lttng_payload_init(&buffer);
  51
  52         tracepoint = lttng_event_rule_tracepoint_create(LTTNG_DOMAIN_UST);
  53         ok(tracepoint, "tracepoint UST_DOMAIN");
  54
  55         status = lttng_event_rule_tracepoint_set_pattern(tracepoint, pattern);
  56         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting pattern");
  57
  58         status = lttng_event_rule_tracepoint_set_filter(tracepoint, filter);
  59         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting filter");
  60
  61         status = lttng_event_rule_tracepoint_set_log_level_range_lower_bound(tracepoint, LTTNG_LOGLEVEL_WARNING);
  62         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting range loglevel");
  63
  64         for (i=0; i < 3; i++) {
  65                 status = lttng_event_rule_tracepoint_add_exclusion(tracepoint, exclusions[i]);
  66                 ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting exclusions");
  67         }
  68
  69         condition = lttng_condition_event_rule_create(tracepoint);
  70         ok(condition, "created condition");
  71
  72         condition_status = lttng_condition_event_rule_get_rule(condition, &tracepoint_tmp);
  73         ok(condition_status == LTTNG_CONDITION_STATUS_OK, "getting event rule");
  74         ok(tracepoint == tracepoint_tmp, "Ownership transfer is good");
  75
  76         ret = lttng_condition_serialize(condition, &buffer);
  77         ok(ret == 0, "Condition serialized");
  78
  79         {
  80         struct lttng_payload_view view = lttng_payload_view_from_payload(&buffer, 0, -1);
  81         (void) lttng_condition_create_from_payload(&view, &condition_from_buffer);
  82         }
  83         ok(condition_from_buffer, "condition from buffer is non null");
  84
  85         ok(lttng_condition_is_equal(condition, condition_from_buffer), "serialized and from buffer are equal");
  86
  87         lttng_payload_reset(&buffer);
  88         lttng_event_rule_destroy(tracepoint);
  89         lttng_condition_destroy(condition);
  90         lttng_condition_destroy(condition_from_buffer);
  91 }
  92
  93 int main(int argc, const char *argv[])
  94 {
  95         plan_tests(NUM_TESTS);
  96         test_condition_event_rule();
  97         return exit_status();
  98 }