package chronos import ( "testing" "time" ) func mktime(y int, month time.Month, d, h, min int) time.Time { return time.Date(y, month, d, h, min, 0, 0, time.UTC) } func TestChronos(t *testing.T) { tbl := []struct { chronos string now time.Time want time.Time }{ {"1991-04-30 00:00:00 +1 Year", mktime(2013, 8, 26, 13, 37), mktime(2014, 4, 30, 0, 0)}, {"2013-01-01 00:00:00", mktime(2013, 8, 26, 13, 37), nilTime}, {"2013-01-01 00:00:00", mktime(2012, 1, 1, 0, 0), mktime(2013, 1, 1, 0, 0)}, {"1900-12-24 12:34:00 +5 Year", mktime(2013, 8, 26, 13, 37), mktime(2015, 12, 24, 12, 34)}, {"1900-12-24 12:34:00 +5 Year !2010-01-01 01:01:00", mktime(2013, 8, 26, 13, 37), nilTime}, {"2013-08-01 04:02:00 +3 Week", mktime(2013, 8, 26, 13, 37), mktime(2013, 9, 12, 4, 2)}, {"2013-08-26 13:37:00", mktime(2013, 8, 26, 13, 37), mktime(2013, 8, 26, 13, 37)}, {"2013-08-25 13:37:00 +1 Day", mktime(2013, 8, 26, 13, 37), mktime(2013, 8, 26, 13, 37)}, {"2012-12-31 23:59:00 +100 Minute", mktime(2013, 1, 1, 0, 0), mktime(2013, 1, 1, 1, 39)}, } for i, e := range tbl { c, err := ParseChronos(e.chronos) if err != nil { t.Errorf("#%d: Failed parsing \"%s\": %s", i, e.chronos, err) continue } have := c.NextAfter(e.now) if !have.Equal(e.want) { t.Errorf("#%d: Want: %s, Have: %s", i, e.want, have) } if s := c.String(); s != e.chronos { t.Errorf("#%d: String() failed: \"%s\" != \"%s\"", i, e.chronos, s) } } }