{-# LANGUAGE OverloadedStrings #-}
import Test.Tasty.HUnit ((@?=))
import qualified Database.Sophia as S
import qualified System.Directory as Dir
import qualified Test.Tasty as T
import qualified Test.Tasty.HUnit as TUnit

main :: IO ()
main = T.defaultMain tests

tests :: T.TestTree
tests =
  T.testGroup "Unit tests"
  [ TUnit.testCase "Create DB, call some APIs" $ do
      Dir.removeDirectoryRecursive "/tmp/sophia-test-db"

      putStrLn "Phase 1"
      S.withEnv $ \env -> do
        S.openDir env S.ReadWrite S.AllowCreation "/tmp/sophia-test-db"
        S.withDb env $ \db -> do
          TUnit.assertBool "Key must not exist" . not =<< S.hasValue db "Key"
          do
            res <- S.getValue db "Key"
            res @?= Nothing

          putStrLn "Phase 2"
          S.setValue db "Key" "Val"
          TUnit.assertBool "Key2 must not exist" . not =<< S.hasValue db "Key2"
          TUnit.assertBool "Key must exist" =<< S.hasValue db "Key"
          do
            res <- S.getValue db "Key"
            res @?= Just "Val"

          putStrLn "Phase 3"
          S.setValue db "A" "foo"
          S.setValue db "Z" "bar"

          S.withCursor db S.GTE "A" $ \cursor -> do
            res <- S.fetchCursorAll cursor
            res @?=
              [ ("A", "foo")
              , ("Key", "Val")
              , ("Z", "bar")
              ]

          putStrLn "Phase 4"
          putStrLn "Deleting \"Key\""
          S.delValue db "Key"
          putStrLn "Done deleting"
          TUnit.assertBool "Key must not exist" . not =<< S.hasValue db "Key"

          putStrLn "Done!"
  ]