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{-# LANGUAGE RecordWildCards #-}
module Test.Haddock
( module Test.Haddock.Config
, runAndCheck, runHaddock, checkFiles
) where
import Control.Monad
import Data.Maybe
import System.Directory
import System.Exit
import System.FilePath
import System.IO
import System.Process
import Test.Haddock.Config
import Test.Haddock.Process
data CheckResult
= Fail
| Pass
| NoRef
| Error String
runAndCheck :: Config c -> IO ()
runAndCheck cfg = do
runHaddock cfg
checkFiles cfg
checkFiles :: Config c -> IO ()
checkFiles cfg@(Config { .. }) = do
putStrLn "Testing output files..."
files <- getDirectoryContents (cfgOutDir cfg)
failed <- liftM catMaybes . forM files $ \file -> do
putStr $ "Checking \"" ++ file ++ "\"... "
status <- checkFile cfg file
case status of
Fail -> putStrLn "FAIL" >> (return $ Just file)
Pass -> putStrLn "PASS" >> (return Nothing)
NoRef -> putStrLn "PASS [no .ref]" >> (return Nothing)
Error msg -> putStrLn ("ERROR (" ++ msg ++ ")") >> return Nothing
if null failed
then do
putStrLn "All tests passed!"
exitSuccess
else do
maybeDiff cfg failed
exitFailure
maybeDiff :: Config c -> [FilePath] -> IO ()
maybeDiff (Config { cfgDiffTool = Nothing }) _ = pure ()
maybeDiff cfg@(Config { cfgDiffTool = (Just diff) }) files = do
putStrLn "Diffing failed cases..."
forM_ files $ diffFile cfg diff
runHaddock :: Config c -> IO ()
runHaddock (Config { .. }) = do
haddockStdOut <- openFile cfgHaddockStdOut WriteMode
putStrLn "Generating documentation..."
forM_ cfgPackages $ \tpkg -> do
handle <- runProcess' cfgHaddockPath $ processConfig
{ pcArgs = concat
[ cfgHaddockArgs
, pure $ "--odir=" ++ outDir cfgDirConfig tpkg
, tpkgFiles tpkg
]
, pcEnv = Just $ cfgEnv
, pcStdOut = Just $ haddockStdOut
}
waitForSuccess "Failed to run Haddock on specified test files" handle
checkFile :: Config c -> FilePath -> IO CheckResult
checkFile cfg file = do
hasRef <- doesFileExist $ refFile dcfg file
if hasRef
then do
mout <- ccfgRead ccfg file <$> readFile (outFile dcfg file)
mref <- ccfgRead ccfg file <$> readFile (refFile dcfg file)
return $ case (mout, mref) of
(Just out, Just ref)
| ccfgEqual ccfg out ref -> Pass
| otherwise -> Fail
_ -> Error "Failed to parse input files"
else return NoRef
where
ccfg = cfgCheckConfig cfg
dcfg = cfgDirConfig cfg
diffFile :: Config c -> FilePath -> FilePath -> IO ()
diffFile cfg diff file = do
Just out <- ccfgRead ccfg file <$> readFile (outFile dcfg file)
Just ref <- ccfgRead ccfg file <$> readFile (refFile dcfg file)
writeFile outFile' $ ccfgDump ccfg out
writeFile refFile' $ ccfgDump ccfg ref
putStrLn $ "Diff for file \"" ++ file ++ "\":"
hFlush stdout
handle <- runProcess' diff $ processConfig
{ pcArgs = [outFile', refFile']
, pcStdOut = Just $ stdout
}
waitForProcess handle >> return ()
where
dcfg = cfgDirConfig cfg
ccfg = cfgCheckConfig cfg
outFile' = outFile dcfg file <.> "dump"
refFile' = outFile dcfg file <.> "ref" <.> "dump"
outDir :: DirConfig -> TestPackage -> FilePath
outDir dcfg tpkg = dcfgOutDir dcfg </> tpkgName tpkg
outFile :: DirConfig -> FilePath -> FilePath
outFile dcfg file = dcfgOutDir dcfg </> file
refFile :: DirConfig -> FilePath -> FilePath
refFile dcfg file = dcfgRefDir dcfg </> file
|
