blob: 5f83d22ca6c98f80c05cb1f3c64c9a8cb869b047 (
plain) (
blame)
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
|
package kamon.util
import java.time.{Duration, Instant}
import kamon.util
import org.scalatest.{Matchers, WordSpec}
class ClockSpec extends WordSpec with Matchers {
"the Clock" should {
"generate nanosecond precision Instants" in {
newClock().instant().getNano() % MicrosInSecond shouldNot be(0)
}
"turn Instants into micros" in {
Clock.toEpochMicros(Instant.parse("2017-12-18T08:39:59.000000000Z")) shouldBe 1513586399000000L
Clock.toEpochMicros(Instant.parse("2017-12-18T08:39:59.000000010Z")) shouldBe 1513586399000000L
Clock.toEpochMicros(Instant.parse("2017-12-18T08:39:59.987654321Z")) shouldBe 1513586399987654L
Clock.toEpochMicros(Instant.parse("2017-12-18T08:39:59.987000000Z")) shouldBe 1513586399987000L
}
"calculate nanos between two Instants" in {
Clock.nanosBetween(Instant.parse("2017-12-18T08:39:59.987654321Z"), Instant.parse("2017-12-18T08:39:59.987654322Z")) shouldBe 1
Clock.nanosBetween(Instant.parse("2017-12-18T08:39:59.987654322Z"), Instant.parse("2017-12-18T08:39:59.987654321Z")) shouldBe -1
Clock.nanosBetween(Instant.parse("2017-12-18T08:39:59.987Z"), Instant.parse("2017-12-18T08:39:59.988Z")) shouldBe 1000000
Clock.nanosBetween(Instant.parse("2017-12-18T08:39:59.987654Z"), Instant.parse("2017-12-18T08:39:59.987Z")) shouldBe -654000
}
"calculate ticks aligned to rounded boundaries" in {
Clock.nextTick(Instant.parse("2017-12-18T08:39:59.999Z"), Duration.ofSeconds(10)).toString shouldBe "2017-12-18T08:40:00Z"
Clock.nextTick(Instant.parse("2017-12-18T08:40:00.000Z"), Duration.ofSeconds(10)).toString shouldBe "2017-12-18T08:40:10Z"
Clock.nextTick(Instant.parse("2017-12-18T08:39:14.906Z"), Duration.ofSeconds(10)).toString shouldBe "2017-12-18T08:39:20Z"
}
}
val MicrosInSecond = 1000000
def newClock(): Clock =
new util.Clock.Default()
}
|
