elm/exercises/gigasecond/tests/Tests.elm
Jay Hayes 4d81104a85 Skip all but first test of each example
This allows learners to gradually approach exercise. However, unlike
commented tests, the Elm compiler is still able to infer type
information from the skipped tests.
2017-07-05 15:35:15 -05:00

43 lines
1.3 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"))
, skip <|
test "1977-06-13" <|
\() ->
Expect.equal (date "2009-02-19T01:46:40") (Gigasecond.add (date "1977-06-13"))
, skip <|
test "1959-07-19" <|
\() ->
Expect.equal (date "1991-03-27T01:46:40") (Gigasecond.add (date "1959-07-19"))
, skip <|
test "full time specified" <|
\() ->
Expect.equal (date "2046-10-02T23:46:40") (Gigasecond.add (date "2015-01-24T22:00:00"))
, skip <|
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