{- FOURMOLU_DISABLE -}
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{- FOURMOLU_ENABLE -}
{-# LANGUAGE BlockArguments #-}
{-# LANGUAGE OverloadedRecordDot #-}

module Language.EO.Test.YamlSpec where

import Control.Monad (forM_)
import Data.Maybe (fromMaybe)
import Language.EO.Phi.Dataize.Context (defaultContext)
import Language.EO.Phi.Rules.Common (applyOneRule)
import Language.EO.Phi.Rules.Yaml (Rule (..), RuleSet (..), RuleTest (..), RuleTestOption (..), convertRuleNamed)
import Language.EO.Test.Yaml
import Test.Hspec

spec :: [FilePath] -> Spec
spec testPaths = describe "User-defined rules unit tests" do
  forM_ testPaths $ \path -> do
    ruleset <- runIO $ fileTests path
    describe ruleset.title do
      forM_ ruleset.rules $ \rule -> do
        describe rule.name do
          let tests' = fromMaybe [] rule.tests
          forM_ tests' $ \ruleTest -> do
            it ruleTest.name $
              let rule' = convertRuleNamed rule
                  resultOneStep = applyOneRule (defaultContext [rule'] ruleTest.input) ruleTest.input
                  normalizationResult = maybe resultOneStep (\lst -> if TakeOne True `elem` lst then take 1 resultOneStep else resultOneStep) ruleTest.options
                  expected = ruleTest.output
               in map snd normalizationResult `shouldBe` expected