| 1 | /* |
| 2 | * Unit tests for the rate policy object API. |
| 3 | * |
| 4 | * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> |
| 5 | * |
| 6 | * SPDX-License-Identifier: LGPL-2.1-only |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | #include <inttypes.h> |
| 11 | #include <stdio.h> |
| 12 | #include <string.h> |
| 13 | #include <unistd.h> |
| 14 | |
| 15 | #include <tap/tap.h> |
| 16 | |
| 17 | #include <common/payload-view.h> |
| 18 | #include <common/payload.h> |
| 19 | #include <lttng/action/rate-policy-internal.h> |
| 20 | #include <lttng/action/rate-policy.h> |
| 21 | |
| 22 | /* For error.h. */ |
| 23 | int lttng_opt_quiet = 1; |
| 24 | int lttng_opt_verbose; |
| 25 | int lttng_opt_mi; |
| 26 | |
| 27 | #define NUM_TESTS 42 |
| 28 | |
| 29 | static void test_rate_policy_every_n(void) |
| 30 | { |
| 31 | enum lttng_rate_policy_status status; |
| 32 | struct lttng_rate_policy *policy_a = NULL; /* Interval of 100. */ |
| 33 | struct lttng_rate_policy *policy_b = NULL; /* Interval of 100 */ |
| 34 | struct lttng_rate_policy *policy_c = NULL; /* Interval of 1 */ |
| 35 | struct lttng_rate_policy *policy_from_buffer = NULL; |
| 36 | uint64_t interval_a_b = 100; |
| 37 | uint64_t interval_c = 1; |
| 38 | uint64_t interval_query = 0; |
| 39 | struct lttng_payload payload; |
| 40 | |
| 41 | lttng_payload_init(&payload); |
| 42 | |
| 43 | policy_a = lttng_rate_policy_every_n_create(interval_a_b); |
| 44 | policy_b = lttng_rate_policy_every_n_create(interval_a_b); |
| 45 | policy_c = lttng_rate_policy_every_n_create(interval_c); |
| 46 | ok(policy_a != NULL, |
| 47 | "Rate policy every n A created: interval: %" PRIu64, |
| 48 | interval_a_b); |
| 49 | ok(policy_b != NULL, |
| 50 | "Rate policy every n B created: interval: %" PRIu64, |
| 51 | interval_a_b); |
| 52 | ok(policy_c != NULL, |
| 53 | "Rate policy every n C created: interval: %" PRIu64, |
| 54 | interval_c); |
| 55 | |
| 56 | ok(LTTNG_RATE_POLICY_TYPE_EVERY_N == |
| 57 | lttng_rate_policy_get_type(policy_a), |
| 58 | "Type is LTTNG_RATE_POLICY_TYPE_EVERY_N"); |
| 59 | |
| 60 | /* Getter tests */ |
| 61 | status = lttng_rate_policy_every_n_get_interval(NULL, NULL); |
| 62 | ok(status == LTTNG_RATE_POLICY_STATUS_INVALID, |
| 63 | "Get interval returns INVALID"); |
| 64 | |
| 65 | status = lttng_rate_policy_every_n_get_interval(NULL, &interval_query); |
| 66 | ok(status == LTTNG_RATE_POLICY_STATUS_INVALID, |
| 67 | "Get interval returns INVALID"); |
| 68 | |
| 69 | status = lttng_rate_policy_every_n_get_interval(policy_a, NULL); |
| 70 | ok(status == LTTNG_RATE_POLICY_STATUS_INVALID, |
| 71 | "Get interval returns INVALID"); |
| 72 | |
| 73 | status = lttng_rate_policy_every_n_get_interval( |
| 74 | policy_a, &interval_query); |
| 75 | ok(status == LTTNG_RATE_POLICY_STATUS_OK && |
| 76 | interval_query == interval_a_b, |
| 77 | " Getting interval A"); |
| 78 | |
| 79 | status = lttng_rate_policy_every_n_get_interval( |
| 80 | policy_b, &interval_query); |
| 81 | ok(status == LTTNG_RATE_POLICY_STATUS_OK && |
| 82 | interval_query == interval_a_b, |
| 83 | " Getting interval B"); |
| 84 | |
| 85 | status = lttng_rate_policy_every_n_get_interval( |
| 86 | policy_c, &interval_query); |
| 87 | ok(status == LTTNG_RATE_POLICY_STATUS_OK && |
| 88 | interval_query == interval_c, |
| 89 | " Getting interval C"); |
| 90 | |
| 91 | /* is_equal tests */ |
| 92 | /* TODO: this is the behaviour introduced by the |
| 93 | * lttng_condition_is_equal back in 2017 do we want to fix this and |
| 94 | * return true if both are NULL? |
| 95 | */ |
| 96 | ok(false == lttng_rate_policy_is_equal(NULL, NULL), |
| 97 | "is equal (NULL,NULL)"); |
| 98 | ok(false == lttng_rate_policy_is_equal(policy_a, NULL), |
| 99 | "is equal (object, NULL)"); |
| 100 | ok(false == lttng_rate_policy_is_equal(NULL, policy_a), |
| 101 | " is equal (NULL, object)"); |
| 102 | ok(true == lttng_rate_policy_is_equal(policy_a, policy_a), |
| 103 | "is equal (object A, object A)"); |
| 104 | |
| 105 | ok(true == lttng_rate_policy_is_equal(policy_a, policy_b), |
| 106 | "is equal (object A, object B"); |
| 107 | ok(true == lttng_rate_policy_is_equal(policy_b, policy_a), |
| 108 | "is equal (object B, object A"); |
| 109 | |
| 110 | ok(false == lttng_rate_policy_is_equal(policy_a, policy_c), |
| 111 | "is equal (object A, object C)"); |
| 112 | ok(false == lttng_rate_policy_is_equal(policy_c, policy_a), |
| 113 | "is equal (object C, object A)"); |
| 114 | |
| 115 | /* Serialization and create_from buffer. */ |
| 116 | ok(lttng_rate_policy_serialize(policy_a, &payload) == 0, "Serializing"); |
| 117 | { |
| 118 | struct lttng_payload_view view = |
| 119 | lttng_payload_view_from_payload( |
| 120 | &payload, 0, -1); |
| 121 | |
| 122 | ok(lttng_rate_policy_create_from_payload( |
| 123 | &view, &policy_from_buffer) > 0 && |
| 124 | policy_from_buffer != NULL, |
| 125 | "Deserializing"); |
| 126 | } |
| 127 | |
| 128 | ok(lttng_rate_policy_is_equal(policy_a, policy_from_buffer), |
| 129 | "serialized and from buffer are equal"); |
| 130 | |
| 131 | lttng_rate_policy_destroy(policy_a); |
| 132 | lttng_rate_policy_destroy(policy_b); |
| 133 | lttng_rate_policy_destroy(policy_c); |
| 134 | lttng_payload_reset(&payload); |
| 135 | } |
| 136 | |
| 137 | static void test_rate_policy_once_after_n(void) |
| 138 | { |
| 139 | enum lttng_rate_policy_status status; |
| 140 | struct lttng_rate_policy *policy_a = NULL; /* Threshold of 100. */ |
| 141 | struct lttng_rate_policy *policy_b = NULL; /* threshold of 100 */ |
| 142 | struct lttng_rate_policy *policy_c = NULL; /* threshold of 1 */ |
| 143 | struct lttng_rate_policy *policy_from_buffer = NULL; |
| 144 | uint64_t threshold_a_b = 100; |
| 145 | uint64_t threshold_c = 1; |
| 146 | uint64_t threshold_query = 0; |
| 147 | struct lttng_payload payload; |
| 148 | |
| 149 | lttng_payload_init(&payload); |
| 150 | |
| 151 | policy_a = lttng_rate_policy_once_after_n_create(threshold_a_b); |
| 152 | policy_b = lttng_rate_policy_once_after_n_create(threshold_a_b); |
| 153 | policy_c = lttng_rate_policy_once_after_n_create(threshold_c); |
| 154 | ok(policy_a != NULL, |
| 155 | "Rate policy every n A created: threshold: %" PRIu64, |
| 156 | threshold_a_b); |
| 157 | ok(policy_b != NULL, |
| 158 | "Rate policy every n B created: threshold: %" PRIu64, |
| 159 | threshold_a_b); |
| 160 | ok(policy_c != NULL, |
| 161 | "Rate policy every n C created: threshold: %" PRIu64, |
| 162 | threshold_c); |
| 163 | |
| 164 | ok(LTTNG_RATE_POLICY_TYPE_ONCE_AFTER_N == |
| 165 | lttng_rate_policy_get_type(policy_a), |
| 166 | "Type is LTTNG_RATE_POLICY_TYPE_once_after_n"); |
| 167 | |
| 168 | /* Getter tests */ |
| 169 | status = lttng_rate_policy_once_after_n_get_threshold(NULL, NULL); |
| 170 | ok(status == LTTNG_RATE_POLICY_STATUS_INVALID, |
| 171 | "Get threshold returns INVALID"); |
| 172 | |
| 173 | status = lttng_rate_policy_once_after_n_get_threshold( |
| 174 | NULL, &threshold_query); |
| 175 | ok(status == LTTNG_RATE_POLICY_STATUS_INVALID, |
| 176 | "Get threshold returns INVALID"); |
| 177 | |
| 178 | status = lttng_rate_policy_once_after_n_get_threshold(policy_a, NULL); |
| 179 | ok(status == LTTNG_RATE_POLICY_STATUS_INVALID, |
| 180 | "Get threshold returns INVALID"); |
| 181 | |
| 182 | status = lttng_rate_policy_once_after_n_get_threshold( |
| 183 | policy_a, &threshold_query); |
| 184 | ok(status == LTTNG_RATE_POLICY_STATUS_OK && |
| 185 | threshold_query == threshold_a_b, |
| 186 | " Getting threshold A"); |
| 187 | |
| 188 | status = lttng_rate_policy_once_after_n_get_threshold( |
| 189 | policy_b, &threshold_query); |
| 190 | ok(status == LTTNG_RATE_POLICY_STATUS_OK && |
| 191 | threshold_query == threshold_a_b, |
| 192 | " Getting threshold B"); |
| 193 | |
| 194 | status = lttng_rate_policy_once_after_n_get_threshold( |
| 195 | policy_c, &threshold_query); |
| 196 | ok(status == LTTNG_RATE_POLICY_STATUS_OK && |
| 197 | threshold_query == threshold_c, |
| 198 | " Getting threshold C"); |
| 199 | |
| 200 | /* is_equal tests */ |
| 201 | /* TODO: this is the behaviour introduced by the |
| 202 | * lttng_condition_is_equal back in 2017 do we want to fix this and |
| 203 | * return true if both are NULL? |
| 204 | */ |
| 205 | ok(false == lttng_rate_policy_is_equal(NULL, NULL), |
| 206 | "is equal (NULL,NULL)"); |
| 207 | ok(false == lttng_rate_policy_is_equal(policy_a, NULL), |
| 208 | "is equal (object, NULL)"); |
| 209 | ok(false == lttng_rate_policy_is_equal(NULL, policy_a), |
| 210 | " is equal (NULL, object)"); |
| 211 | ok(true == lttng_rate_policy_is_equal(policy_a, policy_a), |
| 212 | "is equal (object A, object A)"); |
| 213 | |
| 214 | ok(true == lttng_rate_policy_is_equal(policy_a, policy_b), |
| 215 | "is equal (object A, object B"); |
| 216 | ok(true == lttng_rate_policy_is_equal(policy_b, policy_a), |
| 217 | "is equal (object B, object A"); |
| 218 | |
| 219 | ok(false == lttng_rate_policy_is_equal(policy_a, policy_c), |
| 220 | "is equal (object A, object C)"); |
| 221 | ok(false == lttng_rate_policy_is_equal(policy_c, policy_a), |
| 222 | "is equal (object C, object A)"); |
| 223 | |
| 224 | /* Serialization and create_from buffer. */ |
| 225 | ok(lttng_rate_policy_serialize(policy_a, &payload) == 0, "Serializing"); |
| 226 | { |
| 227 | struct lttng_payload_view view = |
| 228 | lttng_payload_view_from_payload( |
| 229 | &payload, 0, -1); |
| 230 | |
| 231 | ok(lttng_rate_policy_create_from_payload( |
| 232 | &view, &policy_from_buffer) > 0 && |
| 233 | policy_from_buffer != NULL, |
| 234 | "Deserializing"); |
| 235 | } |
| 236 | |
| 237 | ok(lttng_rate_policy_is_equal(policy_a, policy_from_buffer), |
| 238 | "serialized and from buffer are equal"); |
| 239 | |
| 240 | lttng_rate_policy_destroy(policy_a); |
| 241 | lttng_rate_policy_destroy(policy_b); |
| 242 | lttng_rate_policy_destroy(policy_c); |
| 243 | lttng_payload_reset(&payload); |
| 244 | } |
| 245 | |
| 246 | int main(int argc, const char *argv[]) |
| 247 | { |
| 248 | plan_tests(NUM_TESTS); |
| 249 | test_rate_policy_every_n(); |
| 250 | test_rate_policy_once_after_n(); |
| 251 | return exit_status(); |
| 252 | } |