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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2018 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package timeutil_test
import (
"time"
"gopkg.in/check.v1"
"github.com/snapcore/snapd/timeutil"
)
type humanSuite struct {
beforeDSTbegins, afterDSTbegins, beforeDSTends, afterDSTends time.Time
}
var _ = check.Suite(&humanSuite{})
func (s *humanSuite) SetUpSuite(c *check.C) {
loc, err := time.LoadLocation("Europe/London")
c.Assert(err, check.IsNil)
s.beforeDSTbegins = time.Date(2017, 3, 26, 0, 59, 0, 0, loc)
// note this is actually 2:01am DST
s.afterDSTbegins = time.Date(2017, 3, 26, 1, 1, 0, 0, loc)
// apparently no way to straight out initialise a time inside the DST overlap
s.beforeDSTends = time.Date(2017, 10, 29, 0, 59, 0, 0, loc).Add(60 * time.Minute)
s.afterDSTends = time.Date(2017, 10, 29, 1, 1, 0, 0, loc)
// validity check
c.Check(s.beforeDSTbegins.Format("MST"), check.Equals, s.afterDSTends.Format("MST"))
c.Check(s.beforeDSTbegins.Format("MST"), check.Equals, "GMT")
c.Check(s.afterDSTbegins.Format("MST"), check.Equals, s.beforeDSTends.Format("MST"))
c.Check(s.afterDSTbegins.Format("MST"), check.Equals, "BST")
// “The month, day, hour, min, sec, and nsec values may be outside their
// usual ranges and will be normalized during the conversion.”
// so you can always add or subtract 1 from a day and it'll just work \o/
c.Check(time.Date(2017, -1, -1, -1, -1, -1, 0, loc), check.DeepEquals, time.Date(2016, 10, 29, 22, 58, 59, 0, loc))
c.Check(time.Date(2017, 13, 32, 25, 61, 63, 0, loc), check.DeepEquals, time.Date(2018, 2, 2, 2, 2, 3, 0, loc))
}
func (s *humanSuite) TestHumanTimeDST(c *check.C) {
c.Check(timeutil.HumanTimeSince(s.beforeDSTbegins, s.afterDSTbegins, 300), check.Equals, "today at 00:59 GMT")
c.Check(timeutil.HumanTimeSince(s.beforeDSTends, s.afterDSTends, 300), check.Equals, "today at 01:59 BST")
c.Check(timeutil.HumanTimeSince(s.beforeDSTbegins, s.afterDSTends, 300), check.Equals, "217 days ago, at 00:59 GMT")
}
func (s *humanSuite) TestHumanTimeDSTMore(c *check.C) {
loc, err := time.LoadLocation("Europe/London")
c.Assert(err, check.IsNil)
d0 := time.Date(2018, 3, 23, 13, 14, 15, 0, loc)
df := time.Date(2018, 3, 25, 13, 14, 15, 0, loc)
c.Check(timeutil.HumanTimeSince(d0, df, 300), check.Equals, "2 days ago, at 13:14 GMT")
c.Check(timeutil.HumanTimeSince(df, d0, 300), check.Equals, "in 2 days, at 13:14 BST")
}
func (*humanSuite) TestHuman(c *check.C) {
now := time.Now()
for i, expected := range []string{
"2 days ago, at ", "yesterday at ", "today at ", "tomorrow at ", "in 2 days, at ",
} {
t := now.AddDate(0, 0, i-2)
timePart := t.Format("15:04 MST")
c.Check(timeutil.Human(t), check.Equals, expected+timePart)
}
// two outside of the 60-day cutoff:
d1 := now.AddDate(0, -3, 0)
d2 := now.AddDate(0, 3, 0)
c.Check(timeutil.Human(d1), check.Equals, d1.Format("2006-01-02"))
c.Check(timeutil.Human(d2), check.Equals, d2.Format("2006-01-02"))
}
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