module PlantSpec where

import Test.Hspec

import Terminal.Game

import Input
import Plant
import Tile

fakeTile :: Tile
fakeTile = error "Plant - fakeTile"

spec :: Spec
spec = do

  describe "plantBoundaries" $ do
    it "returns correct val even it is not bottom-right" $
      plantBoundaries
        (foldr (uncurry addTile)
               defaultPlant
               [((5,1), fakeTile), ((1, 10), fakeTile)])
        `shouldBe` (5, 10)

  describe "gluePlants" $ do
    let t  = Tile Solid (creaStaticAnimation $ cell 'x')
        p1 = addTile (1, 1) t defaultPlant
        p2 = addTile (1, 2) t defaultPlant
        g1 = gluePlants (2, 3) p1 [(W, p2)]
        g2 = gluePlants (2, 3) p1 [(W, p2), (S, p2)]
    it "does not modify main plant" $
        getTile p1 (1, 1) `shouldBe` getTile g1 (1, 1)
    it "glues a single plant" $
        getTile g1 (1, -1) `shouldBe` Just t
    it "glues multiple plants" $
        getTile g2 (3, 2) `shouldBe` Just t
    it "glues multiple plants (Nothing)" $
        getTile g2 (3, 3) `shouldBe` Nothing