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module TimeSpec (spec) where

import           Data.Time.Clock (DiffTime)
import qualified Data.Time.Clock as Clock
import           Test.Hspec

import qualified Utils.Time      as TimeUtils

spec :: Spec
spec =
  describe "Utils.Time" $
    describe "asleepDuration" $ do

      it "should not be asleep in range" $ do
        TimeUtils.asleepDuration (hour 8) (hour 22) (hour 15) `shouldBe` Nothing

      it "should not be asleep in day overlapping range" $ do
        TimeUtils.asleepDuration (hour 22) (hour 8) (hour 6) `shouldBe` Nothing

      it "should be asleep before the range" $ do
        TimeUtils.asleepDuration (hour 10) (hour 12) (hour 6) `shouldBe` Just (hour 4)

      it "should be asleep after the range" $ do
        TimeUtils.asleepDuration (hour 10) (hour 14) (hour 15) `shouldBe` Just (hour 19)

      it "should be asleep before a day overlapping range" $ do
        TimeUtils.asleepDuration (hour 23) (hour 1) (hour 3) `shouldBe` Just (hour 20)

hour :: Int -> DiffTime
hour h = Clock.secondsToDiffTime (fromIntegral h * 60 * 60)