module Data.Holiday.KoreaSpec where

import qualified Data.Holiday.Korea as Korea
import qualified Data.Holiday.Model as KM

import qualified Data.Time as Time

import Data.Holiday.Model (date, name)
import Test.Hspec (Spec, describe, it, shouldBe)

spec :: Spec
spec =
  describe "Data.Holiday.Korea" $ do
    it "returns New Year's Day when 2000/1/1" $
      Korea.getHoliday 2000 1 1 `shouldBe`
      Just KM.Holiday {date = KM.MD (1, 1), name = "New Year's Day"}
    it "returns March 1 Movement Day when 2019/3/1" $
      Korea.getHoliday 2019 3 1 `shouldBe`
      Just KM.Holiday {date = KM.MD (3, 1), name = "March 1 Movement Day"}
    it "returns Chuseok when 2029/09/22" $
      Korea.getHoliday 2029 9 22 `shouldBe`
      Just KM.Holiday {date = KM.YMD (2029, 9, 22), name = "Chuseok"}
    it "returns Nothing when it's not a Holiday 2019/07/04" $
      Korea.getHoliday 2019 7 4 `shouldBe` Nothing
    it "returns a nearest holiday when is given 2029/09/21" $
      let day = Time.fromGregorian 2029 9 21
       in Korea.getNearestHoliday day `shouldBe`
          Just KM.Holiday {date = KM.YMD (2029, 9, 22), name = "Chuseok"}
    it "returns a exact holiday when it's 2019/3/1" $
      let day = Time.fromGregorian 2019 3 1
       in Korea.getNearestHoliday day `shouldBe`
          Just KM.Holiday {date = KM.MD (3, 1), name = "March 1 Movement Day"}