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Diffstat (limited to 'test/core/statistics/window_stats_test.cc')
-rw-r--r-- | test/core/statistics/window_stats_test.cc | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/test/core/statistics/window_stats_test.cc b/test/core/statistics/window_stats_test.cc deleted file mode 100644 index b17c61a47b..0000000000 --- a/test/core/statistics/window_stats_test.cc +++ /dev/null @@ -1,304 +0,0 @@ -/* - * - * Copyright 2015 gRPC authors. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - */ - -#include "src/core/ext/census/window_stats.h" -#include <grpc/support/log.h> -#include <grpc/support/time.h> -#include <stdlib.h> -#include "test/core/util/test_config.h" - -typedef struct test_stat { - double value1; - int value2; -} test_stat; - -void add_test_stat(void* base, const void* addme) { - test_stat* b = (test_stat*)base; - const test_stat* a = (const test_stat*)addme; - b->value1 += a->value1; - b->value2 += a->value2; -} - -void add_proportion_test_stat(double p, void* base, const void* addme) { - test_stat* b = (test_stat*)base; - const test_stat* a = (const test_stat*)addme; - b->value1 += p * a->value1; - b->value2 += p * a->value2 + 0.5; /* +0.5 is poor mans (no c99) round() */ -} - -const struct census_window_stats_stat_info kMyStatInfo = { - sizeof(test_stat), NULL, add_test_stat, add_proportion_test_stat}; - -const gpr_timespec kMilliSecInterval = {0, 1000000, GPR_CLOCK_MONOTONIC}; -const gpr_timespec kSecInterval = {1, 0, GPR_CLOCK_MONOTONIC}; -const gpr_timespec kMinInterval = {60, 0 GPR_CLOCK_MONOTONIC}; -const gpr_timespec kHourInterval = {3600, 0, GPR_CLOCK_MONOTONIC}; -const gpr_timespec kPrimeInterval = {0, 101, GPR_CLOCK_MONOTONIC}; - -static int compare_double(double a, double b, double epsilon) { - if (a >= b) { - return (a > b + epsilon) ? 1 : 0; - } else { - return (b > a + epsilon) ? -1 : 0; - } -} - -void empty_test(void) { - census_window_stats_sums result; - const gpr_timespec zero = {0, 0, GPR_CLOCK_MONOTONIC}; - test_stat sum; - struct census_window_stats* stats = - census_window_stats_create(1, &kMinInterval, 5, &kMyStatInfo); - GPR_ASSERT(stats != NULL); - result.statistic = ∑ - census_window_stats_get_sums(stats, zero, &result); - GPR_ASSERT(result.count == 0 && sum.value1 == 0 && sum.value2 == 0); - census_window_stats_get_sums(stats, gpr_now(GPR_CLOCK_REALTIME), &result); - GPR_ASSERT(result.count == 0 && sum.value1 == 0 && sum.value2 == 0); - census_window_stats_destroy(stats); -} - -void one_interval_test(void) { - const test_stat value = {0.1, 4}; - const double epsilon = 1e10 - 11; - gpr_timespec when = {0, 0, GPR_CLOCK_MONOTONIC}; - census_window_stats_sums result; - test_stat sum; - /* granularity == 5 so width of internal windows should be 12s */ - struct census_window_stats* stats = - census_window_stats_create(1, &kMinInterval, 5, &kMyStatInfo); - GPR_ASSERT(stats != NULL); - /* phase 1: insert a single value at t=0s, and check that various measurement - times result in expected output values */ - census_window_stats_add(stats, when, &value); - result.statistic = ∑ - /* when = 0s, values extracted should be everything */ - census_window_stats_get_sums(stats, when, &result); - GPR_ASSERT(compare_double(result.count, 1, epsilon) == 0 && - compare_double(sum.value1, value.value1, epsilon) == 0 && - sum.value2 == value.value2); - /* when = 6,30,60s, should be all of the data */ - when.tv_sec = 6; - census_window_stats_get_sums(stats, when, &result); - GPR_ASSERT(compare_double(result.count, 1.0, epsilon) == 0 && - compare_double(sum.value1, value.value1, epsilon) == 0 && - sum.value2 == value.value2); - /* when == 30s,60s, should be all of the data */ - when.tv_sec = 30; - census_window_stats_get_sums(stats, when, &result); - GPR_ASSERT(compare_double(result.count, 1.0, epsilon) == 0 && - compare_double(sum.value1, value.value1, epsilon) == 0 && - sum.value2 == value.value2); - when.tv_sec = 60; - census_window_stats_get_sums(stats, when, &result); - GPR_ASSERT(compare_double(result.count, 1.0, epsilon) == 0 && - compare_double(sum.value1, value.value1, epsilon) == 0 && - sum.value2 == value.value2); - /* when = 66s, should be half (only take half of bottom bucket) */ - when.tv_sec = 66; - census_window_stats_get_sums(stats, when, &result); - GPR_ASSERT(compare_double(result.count, 0.5, epsilon) == 0 && - compare_double(sum.value1, value.value1 / 2, epsilon) == 0 && - sum.value2 == value.value2 / 2); - /* when = 72s, should be completely out of window */ - when.tv_sec = 72; - census_window_stats_get_sums(stats, when, &result); - GPR_ASSERT(compare_double(result.count, 0, epsilon) == 0 && - compare_double(sum.value1, 0, epsilon) == 0 && sum.value2 == 0); - - /* phase 2: tear down and do as before, but inserting two values */ - census_window_stats_destroy(stats); - stats = census_window_stats_create(1, &kMinInterval, 5, &kMyStatInfo); - GPR_ASSERT(stats != NULL); - when.tv_sec = 0; - when.tv_nsec = 17; - census_window_stats_add(stats, when, &value); - when.tv_sec = 1; - census_window_stats_add(stats, when, &value); - when.tv_sec = 0; - census_window_stats_get_sums(stats, when, &result); - GPR_ASSERT(compare_double(result.count, 0, epsilon) == 0 && - compare_double(sum.value1, 0, epsilon) == 0 && sum.value2 == 0); - /* time = 3s, 30s, should get all data */ - when.tv_sec = 3; - census_window_stats_get_sums(stats, when, &result); - GPR_ASSERT(compare_double(result.count, 2, epsilon) == 0 && - compare_double(sum.value1, 2 * value.value1, epsilon) == 0 && - sum.value2 == 2 * value.value2); - when.tv_sec = 30; - census_window_stats_get_sums(stats, when, &result); - GPR_ASSERT(compare_double(result.count, 2, epsilon) == 0 && - compare_double(sum.value1, 2 * value.value1, epsilon) == 0 && - sum.value2 == 2 * value.value2); - - /* phase 3: insert into "middle" bucket, and force a shift, pushing out - the two values in bottom bucket */ - when.tv_sec = 30; - census_window_stats_add(stats, when, &value); - when.tv_sec = 76; - census_window_stats_add(stats, when, &value); - when.tv_sec = 0; - census_window_stats_get_sums(stats, when, &result); - GPR_ASSERT(result.count == 0 && sum.value1 == 0 && sum.value2 == 0); - when.tv_sec = 30; - census_window_stats_get_sums(stats, when, &result); - /* half of the single value in the 30 second bucket */ - GPR_ASSERT(compare_double(result.count, 0.5, epsilon) == 0 && - compare_double(sum.value1, value.value1 / 2, epsilon) == 0 && - sum.value2 == value.value2 / 2); - when.tv_sec = 74; - census_window_stats_get_sums(stats, when, &result); - /* half of the 76 second bucket, all of the 30 second bucket */ - GPR_ASSERT(compare_double(result.count, 1.5, epsilon) == 0 && - compare_double(sum.value1, value.value1 * 1.5, epsilon) == 0 && - sum.value2 == value.value2 / 2 * 3); - when.tv_sec = 76; - census_window_stats_get_sums(stats, when, &result); - /* >=76s, get all of the 76 second bucket, all of the 30 second bucket */ - GPR_ASSERT(compare_double(result.count, 2, epsilon) == 0 && - compare_double(sum.value1, value.value1 * 2, epsilon) == 0 && - sum.value2 == value.value2 * 2); - when.tv_sec = 78; - census_window_stats_get_sums(stats, when, &result); - /* half of the 76 second bucket, all of the 30 second bucket */ - GPR_ASSERT(compare_double(result.count, 2, epsilon) == 0 && - compare_double(sum.value1, value.value1 * 2, epsilon) == 0 && - sum.value2 == value.value2 * 2); - census_window_stats_destroy(stats); -} - -void many_interval_test(void) { - gpr_timespec intervals[4]; - const test_stat value = {123.45, 8}; - const double epsilon = 1e10 - 11; - gpr_timespec when = {3600, 0, GPR_CLOCK_MONOTONIC}; /* one hour */ - census_window_stats_sums result[4]; - test_stat sums[4]; - int i; - struct census_window_stats* stats; - intervals[0] = kMilliSecInterval; - intervals[1] = kSecInterval; - intervals[2] = kMinInterval; - intervals[3] = kHourInterval; - for (i = 0; i < 4; i++) { - result[i].statistic = &sums[i]; - } - stats = census_window_stats_create(4, intervals, 100, &kMyStatInfo); - GPR_ASSERT(stats != NULL); - /* add 10 stats within half of each time range */ - for (i = 0; i < 10; i++) { - when.tv_sec += 180; /* covers 30 min of one hour range */ - census_window_stats_add(stats, when, &value); - } - when.tv_sec += 120; - for (i = 0; i < 10; i++) { - when.tv_sec += 3; /* covers 30 sec of one minute range */ - census_window_stats_add(stats, when, &value); - } - when.tv_sec += 2; - for (i = 0; i < 10; i++) { - when.tv_nsec += 50000000; /* covers 0.5s of 1s range */ - census_window_stats_add(stats, when, &value); - } - when.tv_nsec += 2000000; - for (i = 0; i < 10; i++) { - when.tv_nsec += 50000; /* covers 0.5 ms of 1 ms range */ - census_window_stats_add(stats, when, &value); - } - when.tv_nsec += 20000; - census_window_stats_get_sums(stats, when, result); - GPR_ASSERT(compare_double(result[0].count, 10, epsilon) == 0 && - compare_double(sums[0].value1, value.value1 * 10, epsilon) == 0 && - sums[0].value2 == value.value2 * 10); - when.tv_nsec += 20000000; - census_window_stats_get_sums(stats, when, result); - GPR_ASSERT(compare_double(result[1].count, 20, epsilon) == 0 && - compare_double(sums[1].value1, value.value1 * 20, epsilon) == 0 && - sums[1].value2 == value.value2 * 20); - when.tv_sec += 2; - census_window_stats_get_sums(stats, when, result); - GPR_ASSERT(compare_double(result[2].count, 30, epsilon) == 0 && - compare_double(sums[2].value1, value.value1 * 30, epsilon) == 0 && - sums[2].value2 == value.value2 * 30); - when.tv_sec += 72; - census_window_stats_get_sums(stats, when, result); - GPR_ASSERT(compare_double(result[3].count, 40, epsilon) == 0 && - compare_double(sums[3].value1, value.value1 * 40, epsilon) == 0 && - sums[3].value2 == value.value2 * 40); - census_window_stats_destroy(stats); -} - -void rolling_time_test(void) { - const test_stat value = {0.1, 4}; - gpr_timespec when = {0, 0, GPR_CLOCK_MONOTONIC}; - census_window_stats_sums result; - test_stat sum; - int i; - gpr_timespec increment = {0, 0, GPR_CLOCK_MONOTONIC}; - struct census_window_stats* stats = - census_window_stats_create(1, &kMinInterval, 7, &kMyStatInfo); - GPR_ASSERT(stats != NULL); - srand(gpr_now(GPR_CLOCK_REALTIME).tv_nsec); - for (i = 0; i < 100000; i++) { - increment.tv_nsec = rand() % 100000000; /* up to 1/10th second */ - when = gpr_time_add(when, increment); - census_window_stats_add(stats, when, &value); - } - result.statistic = ∑ - census_window_stats_get_sums(stats, when, &result); - /* With 1/20th second average between samples, we expect 20*60 = 1200 - samples on average. Make sure we are within 100 of that. */ - GPR_ASSERT(compare_double(result.count, 1200, 100) == 0); - census_window_stats_destroy(stats); -} - -#include <stdio.h> -void infinite_interval_test(void) { - const test_stat value = {0.1, 4}; - gpr_timespec when = {0, 0, GPR_CLOCK_MONOTONIC}; - census_window_stats_sums result; - test_stat sum; - int i; - const int count = 100000; - gpr_timespec increment = {0, 0, GPR_CLOCK_MONOTONIC}; - gpr_timespec temp = gpr_inf_future(GPR_CLOCK_REALTIME); - struct census_window_stats* stats = census_window_stats_create( - 1, &gpr_inf_future(GPR_CLOCK_REALTIME), 10, &kMyStatInfo); - srand(gpr_now(GPR_CLOCK_REALTIME).tv_nsec); - for (i = 0; i < count; i++) { - increment.tv_sec = rand() % 21600; /* 6 hours */ - when = gpr_time_add(when, increment); - census_window_stats_add(stats, when, &value); - } - result.statistic = ∑ - census_window_stats_get_sums(stats, when, &result); - /* The only thing it makes sense to compare for "infinite" periods is the - total counts */ - GPR_ASSERT(result.count == count); - census_window_stats_destroy(stats); -} - -int main(int argc, char* argv[]) { - grpc_test_init(argc, argv); - empty_test(); - one_interval_test(); - many_interval_test(); - rolling_time_test(); - infinite_interval_test(); - return 0; -} |