How to use instant method of io.kotest.extensions.time.MutableClock class

Best Kotest code snippet using io.kotest.extensions.time.MutableClock.instant


Source:MutableClockTest.kt Github


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...7import java.time.Instant8import java.time.ZoneId9class MutableClockTest : StringSpec() {10 private val zoneId = ZoneId.of("Europe/Warsaw")11 private val instantNow = private val clock = MutableClock(instantNow, zoneId)13 init {14 isolationMode = IsolationMode.InstancePerLeaf15 "Set instant for the future" {16 val modifiedClock = clock.withInstant(instantNow.plusSeconds(123))17 shouldBe zoneId18 modifiedClock.millis() shouldNotBe instantNow.toEpochMilli()19 }20 "Set instant for the past" {21 val modifiedClock = clock.withInstant(instantNow.minusSeconds(123))22 shouldBe zoneId23 modifiedClock.millis() shouldNotBe instantNow.toEpochMilli()24 }25 "Change time zone" {26 val modifiedClock = clock.withZone(ZoneId.of("Europe/Paris"))27 shouldNotBe zoneId28 modifiedClock.millis() shouldBe instantNow.toEpochMilli()29 }30 }31}...

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Source:MutableClock.kt Github


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...3import java.time.Clock4import java.time.Instant5import java.time.ZoneId6class MutableClock(7 private var instant: Instant,8 private var zone: ZoneId,9) : Clock(), Serializable {10 fun withInstant(instant: Instant): Clock = apply { this.instant = instant }11 override fun withZone(zone: ZoneId): Clock = apply { = zone }12 override fun getZone(): ZoneId = zone13 override fun instant(): Instant = instant14 override fun millis(): Long = instant.toEpochMilli()15 override fun equals(other: Any?): Boolean {16 if (other == null || other !is MutableClock) return false17 return instant == other.instant && zone == other.zone18 }19 override fun hashCode(): Int = instant.hashCode().xor(zone.hashCode())20 override fun toString(): String = "MutableClock[$instant,$zone]"21}...

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