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