implemented ynHandler

This commit is contained in:
Jonathan Lamothe 2019-09-06 23:25:13 -04:00
parent 1e7c4d6c19
commit e0dd80079d
3 changed files with 81 additions and 0 deletions

33
src/Mtlstats/Handlers.hs Normal file
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@ -0,0 +1,33 @@
{- |
mtlstats
Copyright (C) 2019 Rhéal Lamothe
<rheal.lamothe@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
-}
module Mtlstats.Handlers (ynHandler) where
import Data.Char (toUpper)
import qualified UI.NCurses as C
-- | Handler for a yes/no prompt
ynHandler :: C.Event -> Maybe Bool
ynHandler (C.EventCharacter c) = case toUpper c of
'Y' -> Just True
'N' -> Just False
_ -> Nothing
ynHandler _ = Nothing

46
test/HandlersSpec.hs Normal file
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@ -0,0 +1,46 @@
{-
mtlstats
Copyright (C) 2019 Rhéal Lamothe
<rheal.lamothe@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
-}
module HandlersSpec (spec) where
import Test.Hspec (Spec, context, describe, it, shouldBe)
import qualified UI.NCurses as C
import Mtlstats.Handlers
spec :: Spec
spec = describe "Mtlstats.Handlers"
ynHandlerSpec
ynHandlerSpec :: Spec
ynHandlerSpec = describe "ynHandler" $ mapM_
(\(desc, event, expected) ->
context desc $
it ("should be " ++ show expected) $
ynHandler event `shouldBe` expected)
-- description, event, expected
[ ( "Y pressed", C.EventCharacter 'Y', Just True )
, ( "y pressed", C.EventCharacter 'y', Just True )
, ( "N pressed", C.EventCharacter 'N', Just False )
, ( "n pressed", C.EventCharacter 'n', Just False )
, ( "x pressed", C.EventCharacter 'x', Nothing )
, ( "other event", C.EventResized, Nothing )
]

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@ -23,6 +23,7 @@ import Test.Hspec (hspec)
import qualified ActionsSpec as Actions
import qualified FormatSpec as Format
import qualified HandlersSpec as Handlers
import qualified TypesSpec as Types
main :: IO ()
@ -30,3 +31,4 @@ main = hspec $ do
Types.spec
Actions.spec
Format.spec
Handlers.spec