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module Tests.Command (findPandoc, runTest, tests)
where
import Data.Algorithm.Diff
import Data.List (isSuffixOf)
import Prelude hiding (readFile)
import System.Directory
import System.Exit
import System.FilePath (joinPath, splitDirectories, takeDirectory, (</>))
import System.Process
import Test.Framework
import Test.Framework.Providers.HUnit
import Test.HUnit (assertBool)
import Tests.Helpers
import Text.Pandoc
import Text.Pandoc.Shared (trimr)
import qualified Text.Pandoc.UTF8 as UTF8
-- | Run a test with normalize function, return True if test passed.
runTest :: String -- ^ Title of test
-> String -- ^ Shell command
-> String -- ^ Input text
-> String -- ^ Expected output
-> Test
runTest testname cmd inp norm = testCase testname $ do
let cmd' = cmd ++ " --quiet --data-dir ../data"
let findDynlibDir [] = Nothing
findDynlibDir ("build":xs) = Just $ joinPath (reverse xs) </> "build"
findDynlibDir (_:xs) = findDynlibDir xs
let mbDynlibDir = findDynlibDir (reverse $ splitDirectories $
takeDirectory $ takeWhile (/=' ') cmd)
let dynlibEnv = case mbDynlibDir of
Nothing -> []
Just d -> [("DYLD_LIBRARY_PATH", d),
("LD_LIBRARY_PATH", d)]
let env' = dynlibEnv ++ [("TMP","."),("LANG","en_US.UTF-8"),("HOME", "./")]
let pr = (shell cmd'){ env = Just env' }
(ec, out', _err) <- readCreateProcessWithExitCode pr inp
-- filter \r so the tests will work on Windows machines
let out = filter (/= '\r') out'
result <- if ec == ExitSuccess
then do
if out == norm
then return TestPassed
else return
$ TestFailed cmd "expected"
$ getDiff (lines out) (lines norm)
else return $ TestError ec
assertBool (show result) (result == TestPassed)
tests :: Test
tests = buildTest $ do
files <- filter (".md" `isSuffixOf`) <$>
getDirectoryContents "command"
let cmds = map extractCommandTest files
return $ testGroup "Command:" cmds
isCodeBlock :: Block -> Bool
isCodeBlock (CodeBlock _ _) = True
isCodeBlock _ = False
extractCode :: Block -> String
extractCode (CodeBlock _ code) = code
extractCode _ = ""
dropPercent :: String -> String
dropPercent ('%':xs) = dropWhile (== ' ') xs
dropPercent xs = xs
runCommandTest :: FilePath -> (Int, String) -> IO Test
runCommandTest pandocpath (num, code) = do
let codelines = lines code
let (continuations, r1) = span ("\\" `isSuffixOf`) codelines
let (cmd, r2) = (dropPercent (unwords (map init continuations ++ take 1 r1)),
drop 1 r1)
let (inplines, r3) = break (=="^D") r2
let normlines = takeWhile (/=".") (drop 1 r3)
let input = unlines inplines
let norm = unlines normlines
let shcmd = trimr $ takeDirectory pandocpath </> cmd
return $ runTest ("#" ++ show num) shcmd input norm
extractCommandTest :: FilePath -> Test
extractCommandTest fp = buildTest $ do
pandocpath <- findPandoc
contents <- UTF8.readFile ("command" </> fp)
Pandoc _ blocks <- runIOorExplode (readMarkdown
def{ readerExtensions = pandocExtensions } contents)
let codeblocks = map extractCode $ filter isCodeBlock $ blocks
cases <- mapM (runCommandTest pandocpath) $ zip [1..] codeblocks
return $ testGroup fp cases
|
