elm/exercises/allergies/Tests.elm
2016-12-17 17:29:40 -05:00

58 lines
2.2 KiB
Elm

port module Main exposing (..)
import Test.Runner.Node exposing (run, TestProgram)
import Json.Encode exposing (Value)
import Test exposing (..)
import Expect
import Allergies exposing (isAllergicTo, toList)
import List
tests : Test
tests =
describe "Allergies"
[ describe "isAllergicTo"
[ describe "no allergies means not allergic"
[ test "peanuts" <|
\() -> Expect.equal False (isAllergicTo "peanuts" 0)
, test "cats" <|
\() -> Expect.equal False (isAllergicTo "cats" 0)
, test "strawberries" <|
\() -> Expect.equal False (isAllergicTo "strawberries" 0)
]
, test "is allergic to eggs" <|
\() -> Expect.equal True (isAllergicTo "eggs" 1)
, describe "has the right allergies"
[ test "eggs" <|
\() -> Expect.equal True (isAllergicTo "eggs" 5)
, test "shellfish" <|
\() -> Expect.equal True (isAllergicTo "shellfish" 5)
, test "strawberries" <|
\() -> Expect.equal False (isAllergicTo "strawberries" 5)
]
]
, describe "toList"
[ test "no allergies at all" <|
\() -> Expect.equal [] (toList (0))
, test "allergic to just peanuts" <|
\() -> Expect.equal [ "peanuts" ] (toList (2))
, test "allergic to everything" <|
\() ->
Expect.equal (List.sort [ "eggs", "peanuts", "shellfish", "strawberries", "tomatoes", "chocolate", "pollen", "cats" ])
(255 |> toList |> List.sort)
, test "ignore non allergen score parts" <|
\() -> Expect.equal [ "eggs" ] (toList 257)
, test "ignore non allergen score parts" <|
\() ->
Expect.equal (List.sort [ "eggs", "shellfish", "strawberries", "tomatoes", "chocolate", "pollen", "cats" ])
(509 |> toList |> List.sort)
]
]
main : TestProgram
main =
run emit tests
port emit : ( String, Value ) -> Cmd msg