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

49 lines
1.4 KiB
Elm

port module Main exposing (..)
import Test.Runner.Node exposing (run, TestProgram)
import Json.Encode exposing (Value)
import Test exposing (..)
import Expect
import Date
import Gigasecond exposing (add)
tests : Test
tests =
describe "Gigasecond"
[ describe "add"
[ test "2011-04-25" <|
\() ->
Expect.equal (date "2043-01-01T01:46:40") (Gigasecond.add (date "2011-04-25"))
, test "1977-06-13" <|
\() ->
Expect.equal (date "2009-02-19T01:46:40") (Gigasecond.add (date "1977-06-13"))
, test "1959-07-19" <|
\() ->
Expect.equal (date "1991-03-27T01:46:40") (Gigasecond.add (date "1959-07-19"))
, test "full time specified" <|
\() ->
Expect.equal (date "2046-10-02T23:46:40") (Gigasecond.add (date "2015-01-24T22:00:00"))
, test "full time with day roll-over" <|
\() ->
Expect.equal (date "2046-10-03T01:46:39") (Gigasecond.add (date "2015-01-24T23:59:59"))
]
]
date : String -> Date.Date
date input =
case Date.fromString input of
Ok date ->
date
Err reason ->
Debug.crash reason
main : TestProgram
main =
run emit tests
port emit : ( String, Value ) -> Cmd msg