Merge pull request #19 from gvolpe/test-suite

Adding tests for dconf parser

dconf2nix.cabal

@@ -27,6 +27,21 @@ library
   hs-source-dirs:      src
   default-language:    Haskell2010
 
+test-Suite dconf2nix-tests
+  type:                exitcode-stdio-1.0
+  hs-source-dirs:      test
+  main-is:             Main.hs
+  other-modules:       DConfTest
+  build-depends:       base
+                     , containers
+                     , dconf2nix
+                     , hedgehog
+                     , parsec
+                     , template-haskell
+                     , text
+  default-language:     Haskell2010
+  ghc-options:         -Wall -threaded -with-rtsopts -N
+
 executable dconf2nix
   main-is:             Main.hs
   build-depends:       base

src/DConf/Data.hs

@@ -22,12 +22,12 @@ data Value = S Text
            | T Value Value
            | TL Value Value -- a tuple within a list
            | L [Value]
-           deriving Show
+           deriving (Eq, Show)
 
 type Header = Text
 type Content = Map Key Value
 
 data Entry = Entry
   { header :: Header
   , content :: Content
-  } deriving Show
+  } deriving (Eq, Show)

test/DConfTest.hs

@@ -0,0 +1,49 @@
+{-# LANGUAGE OverloadedStrings, TemplateHaskell #-}
+
+module DConfTest
+  ( dconfParserTests
+  )
+where
+
+import qualified Data.Map                      as M
+import qualified Data.Text                     as T
+import qualified Data.Text.IO                  as T
+import           Data.Text                      ( Text )
+import           DConf                          ( dconfParser )
+import           DConf.Data
+import           Hedgehog
+import           Text.Parsec                    ( runParser )
+
+prop_simple_parser :: Property
+prop_simple_parser = withTests (100 :: TestLimit) simpleParser
+
+prop_file_parser :: Property
+prop_file_parser = withTests (10 :: TestLimit) fileParser
+
+simpleParser :: Property
+simpleParser =
+  let entries = runParser (dconfParser Normal) () "<test>" testInput
+  in  property $ entries === Right [testOutput]
+
+fileParser :: Property
+fileParser = property $ do
+  input   <- evalIO $ T.readFile "data/dconf.settings"
+  entries <- evalEither $ runParser (dconfParser Normal) () "<test>" input
+  length entries === 64
+
+testInput :: Text
+testInput = T.unlines
+  [ "[ org/gnome/desktop/peripherals/mouse ]"
+  , "natural-scroll=false"
+  , "speed=-0.5"
+  ]
+
+testOutput :: Entry
+testOutput = Entry
+  { header  = "org/gnome/desktop/peripherals/mouse"
+  , content = M.fromList
+                [(Key "natural-scroll", B False), (Key "speed", D (-0.5))]
+  }
+
+dconfParserTests :: Group
+dconfParserTests = $$(discover)

test/Main.hs

@@ -0,0 +1,11 @@
+module Main where
+
+import           Control.Monad                  ( unless )
+import           DConfTest
+import           Hedgehog
+import           System.Exit
+
+main :: IO ()
+main = do
+  results <- sequence [checkParallel dconfParserTests]
+  unless (and results) exitFailure