module Repr.Text.Test where

import Test.Tasty
import Test.Tasty.HUnit

import qualified Data.Text as Text

import Language.Symantic.Repr
import qualified Expr.Lambda.Test as Lambda.Test
import qualified Expr.Bool.Test as Bool.Test
import qualified Expr.Maybe.Test as Maybe.Test
import qualified Expr.Eq.Test as Eq.Test
import qualified Expr.If.Test as If.Test
import qualified Expr.List.Test as List.Test
import qualified Expr.Functor.Test as Functor.Test
import qualified Expr.Applicative.Test as Applicative.Test
import qualified Expr.Foldable.Test as Foldable.Test

tests :: TestTree
tests = testGroup "Text" $
 let (==>) expr expected =
	testCase (Text.unpack expected) $
	(@?= expected) $
	text_from_expr expr in
 [ testGroup "Bool"
	 [ Bool.Test.e1 ==> "True && False"
	 , Bool.Test.e2 ==> "True && False || True && True"
	 , Bool.Test.e3 ==> "(True || False) && (True || True)"
	 , Bool.Test.e4 ==> "True && !False"
	 , Bool.Test.e5 ==> "True && !x"
	 , Bool.Test.e6 ==> "xor x y"
	 , Bool.Test.e7 ==> "xor (xor x y) z"
	 , Bool.Test.e8 ==> "xor x (xor y True)"
	 ]
 , testGroup "Lambda"
	 [ Lambda.Test.e1 ==> "\\x0 -> (\\x1 -> (x0 || x1) && !(x0 && x1))"
	 , Lambda.Test.e2 ==> "\\x0 -> (\\x1 -> x0 && !x1 || !x0 && x1)"
	 , Lambda.Test.e3 ==> "let x0 = True in x0 && x0"
	 , Lambda.Test.e4 ==> "let x0 = \\x1 -> x1 && x1 in x0 True"
	 , Lambda.Test.e5 ==> "\\x0 -> (\\x1 -> x0 && x1)"
	 , Lambda.Test.e6 ==> "(let x0 = True in x0) && False"
	 , Lambda.Test.e7 ==> "\\x0 -> x0 True && True"
	 , Lambda.Test.e8 ==> "\\x0 -> x0 (True && True)"
	 ]
 , testGroup "Maybe"
	 [ Maybe.Test.e1 ==> "maybe True (\\x0 -> !x0) (just True)"
	 ]
 , testGroup "Eq"
	 [ Eq.Test.e1 ==> "if True && True == True || False then True else False"
	 , Eq.Test.e2 ==> "if True && True || False == True && (True || False) then True else False"
	 , Eq.Test.e3 ==> "if !(True == False) == (True == True) then True else False"
	 ]
 , testGroup "If"
	 [ If.Test.e1 ==> "if True then False else True"
	 , If.Test.e2 ==> "if True && True then False else True"
	 ]
 , testGroup "List"
	 [ List.Test.e1 ==> "list_filter (\\x0 -> if x0 % 2 == 0 then True else False) [1, 2, 3, 4, 5]"
	 ]
 , testGroup "Functor"
	 [ Functor.Test.e1 ==> "fmap (\\x0 -> x0 + 1) [1, 2, 3]"
	 ]
 , testGroup "Applicative"
	 [ Applicative.Test.e1 ==> "fmap (\\x0 -> (\\x1 -> x0 + x1)) (just 1) <*> just 2"
	 ]
 , testGroup "Foldable"
	 [ Foldable.Test.e1 ==> "foldMap (\\x0 -> [x0, x0]) [1, 2, 3]"
	 ]
 ]