{-# Language CPP #-}
module CopySpec ( copySpec ) where

import TestInit

#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ < 706
import Prelude hiding ( FilePath, catch)
#else
import Prelude hiding ( FilePath)
#endif
import Control.Monad (forM_)
import System.IO.Error
import Help

copySpec :: Spec
copySpec = do
  let b = "b" 
  let c = "c"
  describe "cp file" $ do
    it "cp to same dir" $
      forM_ [cp, cp_r] $ \copier -> do
        res <- shelly $
          within_dir "test/a" $ do
            writefile b "testing"
            copier b c
            readfile c
        res @?= "testing"

    it "cp to other dir" $
      forM_ [cp, cp_r] $ \copier -> do
        res <- shelly $
          within_dir "test/a" $ do
            writefile b "testing"
            mkdir c
            copier b c
            readfile "c/b"
        res @?= "testing"

  describe "cp dir" $ do
    it "to dir does not exist: create the to dir" $ do
      res <- shelly $
        within_dir "test/a" $ do
          mkdir b
          writefile "b/d" ""
          cp_r b c
          cIsDir <- test_d c
          liftIO $ assert $ cIsDir
          test_f "c/d"
      assert res

    it "to dir exists: creates a nested directory, full to path given" $ do
      res <- shelly $
        within_dir "test/a" $ do
          mkdir b
          mkdir c
          writefile "b/d" ""
          cp_r b $ c</>b
          cIsDir <- test_d c
          liftIO $ assert $ cIsDir
          bIsDir <- test_d $ c</>b
          liftIO $ assert $ bIsDir
          test_f "c/b/d"
      assert res

    it "to dir exists: creates a nested directory, partial to path given" $ do
      res <- shelly $
        within_dir "test/a" $ do
          mkdir b
          mkdir c
          writefile "b/d" ""
          cp_r b $ c
          cIsDir <- test_d c
          liftIO $ assert $ cIsDir
          bIsDir <- test_d $ c</>b
          liftIO $ assert $ bIsDir
          test_f "c/b/d"
      assert res

    it "copies the same dir" $ do
      shelly $
        within_dir "test/a" $ do
          mkdir b
          writefile "b/d" ""
          cp_r b b `catch_sh` (\e -> liftIO $ assert $ isUserError e)
      assert True