tvl-depot/test/Xanthous/DataSpec.hs
Griffin Smith 05da490185 Gormlaks attack back
When gormlaks see the character, they step towards them and attack
dealing 1 damage when adjacent. Characters have hitpoints now, displayed
at the bottom of the game screen, and when the game is over they die.
2019-09-29 10:54:52 -04:00

49 lines
1.9 KiB
Haskell

-- |
module Xanthous.DataSpec (main, test) where
import Test.Prelude hiding (Right, Left, Down)
import Xanthous.Data
import Data.Group
main :: IO ()
main = defaultMain test
test :: TestTree
test = testGroup "Xanthous.Data"
[ testGroup "Position"
[ testBatch $ monoid @Position mempty
, testProperty "group laws" $ \(pos :: Position) ->
pos <> invert pos == mempty && invert pos <> pos == mempty
, testGroup "stepTowards laws"
[ testProperty "takes only one step" $ \src tgt ->
src /= tgt ==>
isUnit (src `diffPositions` (src `stepTowards` tgt))
-- , testProperty "moves in the right direction" $ \src tgt ->
-- stepTowards src tgt == move (directionOf src tgt) src
]
, testProperty "directionOf laws" $ \pos dir ->
directionOf pos (move dir pos) == dir
, testProperty "diffPositions is add inverse" $ \pos pos ->
diffPositions pos pos == addPositions pos (invert pos)
]
, testGroup "Direction"
[ testProperty "opposite is involutive" $ \(dir :: Direction) ->
opposite (opposite dir) == dir
, testProperty "opposite provides inverse" $ \dir ->
invert (asPosition dir) == asPosition (opposite dir)
, testProperty "asPosition isUnit" $ \dir ->
dir /= Here ==> isUnit (asPosition dir)
, testGroup "Move"
[ testCase "Up" $ move Up mempty @?= Position 0 (-1)
, testCase "Down" $ move Down mempty @?= Position 0 1
, testCase "Left" $ move Left mempty @?= Position (-1) 0
, testCase "Right" $ move Right mempty @?= Position 1 0
, testCase "UpLeft" $ move UpLeft mempty @?= Position (-1) (-1)
, testCase "UpRight" $ move UpRight mempty @?= Position 1 (-1)
, testCase "DownLeft" $ move DownLeft mempty @?= Position (-1) 1
, testCase "DownRight" $ move DownRight mempty @?= Position 1 1
]
]
]