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module Spec where
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import Test.Hspec
import Test.QuickCheck
import Control.Exception (evaluate)
import Keyboard (Keyboard(..))
import Transforms (Transform(..))
import qualified App
import qualified Keyboard
import qualified Transforms
import qualified Utils
--------------------------------------------------------------------------------
main :: IO ()
main = hspec $ do
describe "Keyboard.print" $ do
it "pretty-prints the keyboard" $ do
show Keyboard.qwerty == "[1][2][3][4][5][6][7][8][9][0]\n[Q][W][E][R][T][Y][U][I][O][P]\n[A][S][D][F][G][H][J][K][L][;]\n[Z][X][C][V][B][N][M][,][.][/]"
describe "Transforms.fromString" $ do
it "successfully parses a string of commands" $ do
Transforms.fromString "HHVS-12VHVHS3" ==
Just [ HorizontalFlip
, HorizontalFlip
, VerticalFlip
, Shift (-12)
, VerticalFlip
, HorizontalFlip
, VerticalFlip
, HorizontalFlip
, Shift 3
]
it "returns Nothing when the input is invalid" $ do
Transforms.fromString "potato" == Nothing
it "return Nothing when the input is valid except for the end" $ do
Transforms.fromString "HVS10potato" == Nothing
describe "App.transform" $ do
it "flips a keyboard horizontally" $ do
App.transform Keyboard.qwerty HorizontalFlip == do
Keyboard [ reverse ['1','2','3','4','5','6','7','8','9','0']
, reverse ['Q','W','E','R','T','Y','U','I','O','P']
, reverse ['A','S','D','F','G','H','J','K','L',';']
, reverse ['Z','X','C','V','B','N','M',',','.','/']
]
it "flips a keyboard vertically" $ do
App.transform Keyboard.qwerty VerticalFlip == do
Keyboard $ reverse [ ['1','2','3','4','5','6','7','8','9','0']
, ['Q','W','E','R','T','Y','U','I','O','P']
, ['A','S','D','F','G','H','J','K','L',';']
, ['Z','X','C','V','B','N','M',',','.','/']
]
it "shifts a keyboard N times" $ do
App.transform Keyboard.qwerty (Shift 2) == do
Keyboard $ [ Utils.rotate 2 ['1','2','3','4','5','6','7','8','9','0']
, Utils.rotate 2 ['Q','W','E','R','T','Y','U','I','O','P']
, Utils.rotate 2 ['A','S','D','F','G','H','J','K','L',';']
, Utils.rotate 2 ['Z','X','C','V','B','N','M',',','.','/']
]
it "shifts negative amounts" $ do
App.transform Keyboard.qwerty (Shift (-3)) == do
Keyboard $ [ Utils.rotate (-3) ['1','2','3','4','5','6','7','8','9','0']
, Utils.rotate (-3) ['Q','W','E','R','T','Y','U','I','O','P']
, Utils.rotate (-3) ['A','S','D','F','G','H','J','K','L',';']
, Utils.rotate (-3) ['Z','X','C','V','B','N','M',',','.','/']
]
describe "Transforms.optimize" $ do
it "removes superfluous horizontal transformations" $ do
Transforms.optimize [HorizontalFlip, HorizontalFlip] == []
it "removes superfluous vertical transformations" $ do
Transforms.optimize [VerticalFlip, VerticalFlip] == []
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