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--------------------------------------------------------------------------------
module Spec where
--------------------------------------------------------------------------------
import Test.Hspec
import Test.QuickCheck
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 any keyboard horizontally" $ do
property $ \first second third fourth ->
App.transform (Keyboard [first, second, third, fourth]) HorizontalFlip == do
Keyboard [ reverse first
, reverse second
, reverse third
, reverse fourth
]
it "flips any keyboard vertically" $ do
property $ \first second third fourth ->
App.transform (Keyboard [first, second, third, fourth]) VerticalFlip == do
Keyboard $ reverse [first, second, third, fourth]
it "shifts any keyboard" $ do
property $ \first second third fourth n ->
App.transform (Keyboard [first, second, third, fourth]) (Shift n) == do
Keyboard $ [ Utils.rotate n first
, Utils.rotate n second
, Utils.rotate n third
, Utils.rotate n fourth
]
it "flips a QWERTY keyboard horizontally" $ do
App.transform Keyboard.qwerty HorizontalFlip == do
Keyboard [ ['0','9','8','7','6','5','4','3','2','1']
, ['P','O','I','U','Y','T','R','E','W','Q']
, [';','L','K','J','H','G','F','D','S','A']
, ['/','.',',','M','N','B','V','C','X','Z']
]
it "flips a keyboard vertically" $ do
App.transform Keyboard.qwerty VerticalFlip == do
Keyboard $ [ ['Z','X','C','V','B','N','M',',','.','/']
, ['A','S','D','F','G','H','J','K','L',';']
, ['Q','W','E','R','T','Y','U','I','O','P']
, ['1','2','3','4','5','6','7','8','9','0']
]
it "shifts a keyboard left N times" $ do
App.transform Keyboard.qwerty (Shift 2) == do
Keyboard $ [ ['3','4','5','6','7','8','9','0','1','2']
, ['E','R','T','Y','U','I','O','P','Q','W']
, ['D','F','G','H','J','K','L',';','A','S']
, ['C','V','B','N','M',',','.','/','Z','X']
]
it "shifts right negative amounts" $ do
App.transform Keyboard.qwerty (Shift (-3)) == do
Keyboard $ [ ['8','9','0','1','2','3','4','5','6','7']
, ['I','O','P','Q','W','E','R','T','Y','U']
, ['K','L',';','A','S','D','F','G','H','J']
, [',','.','/','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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