1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#include "meter.h"
#include <library/cpp/testing/unittest/registar.h>
using namespace NMonitoring;
struct TMockClock {
using duration = std::chrono::nanoseconds;
using rep = duration::rep;
using period = duration::period;
using time_point = std::chrono::time_point<TMockClock, duration>;
static time_point now() noexcept {
static int index = 0;
return index++ < 2 ? time_point() : time_point(std::chrono::seconds(10));
}
};
using TMockMeter = TMeterImpl<TMockClock>;
Y_UNIT_TEST_SUITE(TMeterTest) {
Y_UNIT_TEST(StartsOutWithNoRatesOrCount) {
TMeter meter;
UNIT_ASSERT_EQUAL(meter.GetCount(), 0L);
UNIT_ASSERT_DOUBLES_EQUAL(meter.GetMeanRate(), 0.0, 0.0001);
UNIT_ASSERT_DOUBLES_EQUAL(meter.GetOneMinuteRate(), 0.0, 0.0001);
UNIT_ASSERT_DOUBLES_EQUAL(meter.GetFiveMinutesRate(), 0.0, 0.0001);
UNIT_ASSERT_DOUBLES_EQUAL(meter.GetFifteenMinutesRate(), 0.0, 0.0001);
}
Y_UNIT_TEST(MarksEventsAndUpdatesRatesAndCount) {
TMockMeter meter;
meter.Mark();
meter.Mark(2);
UNIT_ASSERT_EQUAL(meter.GetCount(), 3L);
UNIT_ASSERT_DOUBLES_EQUAL(meter.GetMeanRate(), 0.3, 0.001);
UNIT_ASSERT_DOUBLES_EQUAL(meter.GetOneMinuteRate(), 0.1840, 0.0001);
UNIT_ASSERT_DOUBLES_EQUAL(meter.GetFiveMinutesRate(), 0.1966, 0.0001);
UNIT_ASSERT_DOUBLES_EQUAL(meter.GetFifteenMinutesRate(), 0.1988, 0.0001);
}
}
|
