{-

abacus
Copyright (C) Jonathan Lamothe <jonathan@jlamothe.net>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public
License along with this program.  If not, see
<https://www.gnu.org/licenses/>.

-}

module Abacus.App.ActionsSpec (spec) where

import Lens.Micro.Platform ((&), (.~))
import Test.Hspec (Spec, context, describe, it, shouldBe)

import Abacus.App.Actions
import Abacus.App.Types

spec :: Spec
spec = describe "Actions" $ do
  moveUpSpec
  moveDownSpec

moveUpSpec :: Spec
moveUpSpec = describe "moveUp" $ mapM_
  ( \(desc, state, expected) -> context desc $
    it ("should be " ++ show expected) $
      moveUp state `shouldBe` expected
  )
  [ ( "at the top",     initialState, initialState )
  , ( "at the bottom",  atBottom,     movedUp      )
  , ( "somewhere else", elsewhere,    initialState )
  ]
  where
    atBottom  = initialState & rungNum .~ 9
    elsewhere = initialState & rungNum .~ 1
    movedUp   = initialState & rungNum .~ 8

moveDownSpec :: Spec
moveDownSpec = describe "moveDown" $ mapM_
  ( \(desc, state, expected) -> context desc $
    it ("should be " ++ show expected) $
      moveDown state `shouldBe` expected
  )
  [ ( "at the top",     initialState, movedDown )
  , ( "at the bottom",  atBottom,     atBottom  )
  , ( "somewhere else", elsewhere,    atBottom  )
  ]
  where
    atBottom  = initialState & rungNum .~ 9
    elsewhere = initialState & rungNum .~ 8
    movedDown = initialState & rungNum .~ 1

--jl