unset test

test/optparse-test/Main.hs

@@ -6,6 +6,7 @@ import qualified OtherCommandTest
 import qualified ChangeLogTest
 import qualified ConfigTest
 import qualified InstallTest
+import qualified UnsetTest
 
 main :: IO ()
 main = defaultMain $ testGroup "ghcup"
@@ -14,4 +15,5 @@ main = defaultMain $ testGroup "ghcup"
   , ChangeLogTest.changeLogTests
   , ConfigTest.configTests
   , InstallTest.installTests
+  , UnsetTest.unsetTests
   ]

test/optparse-test/UnsetTest.hs

@@ -0,0 +1,50 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module UnsetTest where
+
+import Test.Tasty
+import GHCup.OptParse
+import Utils
+
+
+unsetTests :: TestTree
+unsetTests =
+  testGroup "unset"
+    $ map (buildTestTree unsetParseWith)
+        [ ("ghc", unsetGhcCheckList)
+        , ("cabal", unsetCabalCheckList)
+        , ("hls", unsetHlsCheckList)
+        , ("stack", unsetStackCheckList)
+        ]
+
+unsetGhcCheckList :: [(String, UnsetCommand)]
+unsetGhcCheckList = mapSecond (UnsetGHC . UnsetOptions)
+  [ ("unset ghc", Nothing)
+  , ("unset ghc armv7-unknown-linux-gnueabihf", Just "armv7-unknown-linux-gnueabihf")
+  ]
+
+unsetCabalCheckList :: [(String, UnsetCommand)]
+unsetCabalCheckList = mapSecond (UnsetCabal . UnsetOptions)
+  [ ("unset cabal", Nothing)
+    -- This never used
+  , ("unset cabal armv7-unknown-linux-gnueabihf", Just "armv7-unknown-linux-gnueabihf")
+  ]
+
+unsetHlsCheckList :: [(String, UnsetCommand)]
+unsetHlsCheckList = mapSecond (UnsetHLS . UnsetOptions)
+  [ ("unset hls", Nothing)
+    -- This never used
+  , ("unset hls armv7-unknown-linux-gnueabihf", Just "armv7-unknown-linux-gnueabihf")
+  ]
+
+unsetStackCheckList :: [(String, UnsetCommand)]
+unsetStackCheckList = mapSecond (UnsetStack . UnsetOptions)
+  [ ("unset stack", Nothing)
+    -- This never used
+  , ("unset stack armv7-unknown-linux-gnueabihf", Just "armv7-unknown-linux-gnueabihf")
+  ]
+
+unsetParseWith :: [String] -> IO UnsetCommand
+unsetParseWith args = do
+  UnSet a <- parseWith args
+  pure a