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{-# LANGUAGE RecordWildCards #-}
module Test.Haddock
( module Test.Haddock
, module Test.Haddock.Config
) 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
import Test.Haddock.Xhtml
import qualified Text.XML.Light as Xml
data CheckResult
= Fail
| Pass
| NoRef
checkFiles :: Config -> IO ()
checkFiles cfg@(Config { .. }) = do
putStrLn "Testing output files..."
failed <- liftM catMaybes . forM cfgFiles $ \file -> do
let mdl = takeBaseName file
putStr $ "Checking " ++ mdl ++ "... "
status <- checkModule cfg mdl
case status of
Fail -> putStrLn "FAIL" >> (return $ Just mdl)
Pass -> putStrLn "PASS" >> (return Nothing)
NoRef -> putStrLn "PASS [no .ref]" >> (return Nothing)
if null failed
then do
putStrLn "All tests passed!"
exitSuccess
else do
maybeDiff cfg failed
exitFailure
maybeDiff :: Config -> [String] -> IO ()
maybeDiff (Config { cfgDiffTool = Nothing }) _ = pure ()
maybeDiff cfg@(Config { cfgDiffTool = (Just diff) }) mdls = do
putStrLn "Diffing failed cases..."
forM_ mdls $ diffModule cfg diff
runHaddock :: Config -> IO ()
runHaddock (Config { .. }) = do
putStrLn "Running Haddock process..."
haddockStdOut <- openFile cfgHaddockStdOut WriteMode
handle <- runProcess' cfgHaddockPath $ processConfig
{ pcArgs = cfgHaddockArgs ++ cfgFiles
, pcEnv = Just $ cfgEnv
, pcStdOut = Just $ haddockStdOut
}
waitForSuccess "Failed to run Haddock on specified test files" handle
checkModule :: Config -> String -> IO CheckResult
checkModule cfg mdl = do
hasRef <- doesFileExist $ refFile dcfg mdl
if hasRef
then do
Just outXml <- readXml $ outFile dcfg mdl
Just refXml <- readXml $ refFile dcfg mdl
return $ if strip outXml == strip refXml
then Pass
else Fail
else return NoRef
where
dcfg = cfgDirConfig cfg
diffModule :: Config -> FilePath -> String -> IO ()
diffModule cfg diff mdl = do
Just outXml <- readXml $ outFile dcfg mdl
Just refXml <- readXml $ refFile dcfg mdl
let outXml' = strip outXml
let refXml' = strip refXml
writeFile outFile' $ Xml.ppElement outXml'
writeFile refFile' $ Xml.ppElement refXml'
putStrLn $ "Diff for module " ++ show mdl ++ ":"
hFlush stdout
handle <- runProcess' diff $ processConfig
{ pcArgs = [outFile', refFile']
, pcStdOut = Just $ stdout
}
waitForProcess handle >> return ()
where
dcfg = cfgDirConfig cfg
outFile' = outFile dcfg mdl <.> "nolinks"
refFile' = outFile dcfg mdl <.> "ref" <.> "nolinks"
outFile :: DirConfig -> String -> FilePath
outFile dcfg mdl = dcfgOutDir dcfg </> mdl <.> "html"
refFile :: DirConfig -> String -> FilePath
refFile dcfg mdl = dcfgRefDir dcfg </> mdl <.> "html"
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