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module Examples.Test.Digest(main) where
import Control.Monad
import Development.Shake
import Examples.Util
main = shaken test $ \args obj -> do
want [obj "Out.txt",obj "Out2.txt"]
obj "Out.txt" *> \out -> do
txt <- readFile' $ obj "In.txt"
liftIO $ appendFile out txt
[obj "Out1.txt",obj "Out2.txt"] &*> \[out1,out2] -> do
txt <- readFile' $ obj "In.txt"
liftIO $ appendFile out1 txt
liftIO $ appendFile out2 txt
test build obj = do
let outs = take 1 $ map obj ["Out.txt","Out1.txt","Out2.txt"]
let writeOut x = forM_ outs $ \out -> writeFile out x
let writeIn x = writeFile (obj "In.txt") x
let assertOut x = forM_ outs $ \out -> assertContents out x
writeOut ""
writeIn "X"
build ["--sleep","--digest-and"]
assertOut "X"
-- should not involve a hash calculation (sadly no way to test that)
build ["--sleep","--digest-and"]
assertOut "X"
writeIn "X"
build ["--sleep","--digest-and"]
assertOut "X"
writeIn "X"
build ["--sleep","--digest-or"]
assertOut "XX"
writeIn "X"
build ["--sleep","--digest-and"]
assertOut "XX"
build ["--sleep","--digest-and"]
writeOut "XX"
build ["--sleep","--digest-and"]
assertOut "XX"
build ["--sleep","--digest-and"]
writeOut "Y"
build ["--sleep","--digest-and"]
assertOut "YX"
writeIn "X"
build ["--sleep","--digest"]
assertOut "YX"
writeIn "Z"
build ["--sleep","--digest-and-input"]
assertOut "YXZ"
build ["--sleep","--digest-and-input"]
writeOut "YXZ"
build ["--sleep","--digest-and-input"]
assertOut "YXZZ"
writeIn "Q"
build ["--sleep","--digest-and-input"]
assertOut "YXZZQ"
writeIn "Q"
build ["--sleep","--digest-and-input"]
assertOut "YXZZQ"
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