elm/exercises/gigasecond/tests/Tests.elm
2017-05-28 08:14:40 +02:00

39 lines
1.2 KiB
Elm

module Tests exposing (..)
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