40 lines
995 B
Nim
40 lines
995 B
Nim
import std/times
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import pkg/chronos
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import codex/clock
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export clock
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type
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MockClock* = ref object of Clock
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time: SecondsSince1970
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waiting: seq[Waiting]
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Waiting = ref object
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until: SecondsSince1970
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future: Future[void]
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func new*(_: type MockClock,
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time: SecondsSince1970 = getTime().toUnix): MockClock =
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MockClock(time: time)
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proc set*(clock: MockClock, time: SecondsSince1970) =
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clock.time = time
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var index = 0
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while index < clock.waiting.len:
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if clock.waiting[index].until <= clock.time:
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clock.waiting[index].future.complete()
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clock.waiting.del(index)
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else:
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inc index
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proc advance*(clock: MockClock, seconds: int64) =
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clock.set(clock.time + seconds)
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method now*(clock: MockClock): SecondsSince1970 =
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clock.time
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method waitUntil*(clock: MockClock, time: SecondsSince1970) {.async.} =
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if time > clock.now():
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let future = newFuture[void]()
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clock.waiting.add(Waiting(until: time, future: future))
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await future
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