elm/exercises/rna-transcription/RNATranscriptionTests.elm
Erik Simmler 8f82b36223 Fix tests (#106)
Fixes #100

* Upgrade Node Test Runner and Test Files
* Avoid Installing Deps in Each Exercise
2016-08-22 20:31:41 -04:00

35 lines
1.1 KiB
Elm

port module Main exposing (..)
import Test.Runner.Node exposing (run)
import Json.Encode exposing (Value)
import Test exposing (..)
import Expect
import RNATranscription exposing (toRNA)
tests : Test
tests =
describe "RNATranscription"
[ test "complement of cytosine is guanine" <|
\() -> Expect.equal (Ok "G") (toRNA "C")
, test "complement of guanine is cytosine" <|
\() -> Expect.equal (Ok "C") (toRNA "G")
, test "complement of thymine is adenine" <|
\() -> Expect.equal (Ok "A") (toRNA "T")
, test "complement of adenine is uracil" <|
\() -> Expect.equal (Ok "U") (toRNA "A")
, test "complement" <|
\() -> Expect.equal (Ok "UGCACCAGAAUU") (toRNA "ACGTGGTCTTAA")
, test "correctly handles completely invalid input" <|
\() -> Expect.equal (Err 'X') (toRNA "XXX")
, test "correctly handles partially invalid input" <|
\() -> Expect.equal (Err 'U') (toRNA "UGAAXXXGACAUG")
]
main : Program Value
main =
run emit tests
port emit : ( String, Value ) -> Cmd msg