module Tests exposing (tests) import Expect import Test exposing (..) import Wordy exposing (answer) tests : Test tests = describe "Wordy" [ test "just a number" <| \() -> Expect.equal (Just 5) <| answer "What is 5?" , test "just a zero" <| \() -> Expect.equal (Just 0) <| answer "What is 0?" , test "just a negative number" <| \() -> Expect.equal (Just -123) <| answer "What is -123?" , skip <| test "addition" <| \() -> Expect.equal (Just 2) <| answer "What is 1 plus 1?" , skip <| test "addition with a left hand zero" <| \() -> Expect.equal (Just 2) <| answer "What is 0 plus 2?" , skip <| test "addition with a right hand zero" <| \() -> Expect.equal (Just 3) <| answer "What is 3 plus 0?" , skip <| test "more addition" <| \() -> Expect.equal (Just 55) <| answer "What is 53 plus 2?" , skip <| test "addition with negative numbers" <| \() -> Expect.equal (Just -11) <| answer "What is -1 plus -10?" , skip <| test "large addition" <| \() -> Expect.equal (Just 45801) <| answer "What is 123 plus 45678?" , skip <| test "subtraction" <| \() -> Expect.equal (Just 16) <| answer "What is 4 minus -12?" , skip <| test "multiplication" <| \() -> Expect.equal (Just -75) <| answer "What is -3 multiplied by 25?" , skip <| test "division" <| \() -> Expect.equal (Just -11) <| answer "What is 33 divided by -3?" , skip <| test "multiple additions" <| \() -> Expect.equal (Just 3) <| answer "What is 1 plus 1 plus 1?" , skip <| test "addition and subtraction" <| \() -> Expect.equal (Just 8) <| answer "What is 1 plus 5 minus -2?" , skip <| test "multiple subtraction" <| \() -> Expect.equal (Just 3) <| answer "What is 20 minus 4 minus 13?" , skip <| test "subtraction then addition" <| \() -> Expect.equal (Just 14) <| answer "What is 17 minus 6 plus 3?" , skip <| test "multiple multiplication" <| \() -> Expect.equal (Just -12) <| answer "What is 2 multiplied by -2 multiplied by 3?" , skip <| test "addition and multiplication" <| \() -> Expect.equal (Just -8) <| answer "What is -3 plus 7 multiplied by -2?" , skip <| test "multiple division" <| \() -> Expect.equal (Just 2) <| answer "What is -12 divided by 2 divided by -3?" , skip <| test "unknown operation" <| \() -> Expect.equal Nothing <| answer "What is 52 cubed?" , skip <| test "Non math question" <| \() -> Expect.equal Nothing <| answer "Who is the President of the United States?" , skip <| test "reject problem missing an operand" <| \() -> Expect.equal Nothing <| answer "What is 1 plus?" , skip <| test "reject problem with no operands or operators" <| \() -> Expect.equal Nothing <| answer "What is?" , skip <| test "reject two operations in a row" <| \() -> Expect.equal Nothing <| answer "What is 1 plus plus 2?" , skip <| test "reject two numbers in a row" <| \() -> Expect.equal Nothing <| answer "What is 1 plus 2 1?" , skip <| test "reject postfix notation" <| \() -> Expect.equal Nothing <| answer "What is 1 2 plus?" , skip <| test "reject prefix notation" <| \() -> Expect.equal Nothing <| answer "What is plus 1 2?" ]