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cronexpr/cronexpr_test.go

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/*!
* Copyright 2013 Raymond Hill
*
renaming cronexpression to cronexpr
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* Project: github.com/gorhill/cronexpr
* File: cronexpr_test.go
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* Version: 1.0
now also aplv2
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* License: pick the one which suits you best:
* GPL v3 see <https://www.gnu.org/licenses/gpl.html>
* APL v2 see <http://www.apache.org/licenses/LICENSE-2.0>
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*
*/
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package cronexpr_test
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/******************************************************************************/
import (
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"fmt"
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"testing"
"time"
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"github.com/gorhill/cronexpr"
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)
/******************************************************************************/
type crontimes struct {
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from string
next string
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}
type crontest struct {
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expr string
layout string
times []crontimes
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}
var crontests = []crontest{
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// Seconds
{
"* * * * * * *",
"2006-01-02 15:04:05",
[]crontimes{
{"2013-01-01 00:00:00", "2013-01-01 00:00:01"},
{"2013-01-01 00:00:59", "2013-01-01 00:01:00"},
{"2013-01-01 00:59:59", "2013-01-01 01:00:00"},
{"2013-01-01 23:59:59", "2013-01-02 00:00:00"},
{"2013-02-28 23:59:59", "2013-03-01 00:00:00"},
{"2016-02-28 23:59:59", "2016-02-29 00:00:00"},
{"2012-12-31 23:59:59", "2013-01-01 00:00:00"},
},
},
fleshing out
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fixed parsering bug for like "*/5"
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// every 5 Second
{
"*/5 * * * * * *",
"2006-01-02 15:04:05",
[]crontimes{
{"2013-01-01 00:00:00", "2013-01-01 00:00:05"},
{"2013-01-01 00:00:59", "2013-01-01 00:01:00"},
{"2013-01-01 00:59:59", "2013-01-01 01:00:00"},
{"2013-01-01 23:59:59", "2013-01-02 00:00:00"},
{"2013-02-28 23:59:59", "2013-03-01 00:00:00"},
{"2016-02-28 23:59:59", "2016-02-29 00:00:00"},
{"2012-12-31 23:59:59", "2013-01-01 00:00:00"},
},
},
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// Minutes
{
"* * * * *",
"2006-01-02 15:04:05",
[]crontimes{
{"2013-01-01 00:00:00", "2013-01-01 00:01:00"},
{"2013-01-01 00:00:59", "2013-01-01 00:01:00"},
{"2013-01-01 00:59:00", "2013-01-01 01:00:00"},
{"2013-01-01 23:59:00", "2013-01-02 00:00:00"},
{"2013-02-28 23:59:00", "2013-03-01 00:00:00"},
{"2016-02-28 23:59:00", "2016-02-29 00:00:00"},
{"2012-12-31 23:59:00", "2013-01-01 00:00:00"},
},
},
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// Minutes with interval
{
"17-43/5 * * * *",
"2006-01-02 15:04:05",
[]crontimes{
{"2013-01-01 00:00:00", "2013-01-01 00:17:00"},
{"2013-01-01 00:16:59", "2013-01-01 00:17:00"},
{"2013-01-01 00:30:00", "2013-01-01 00:32:00"},
{"2013-01-01 00:50:00", "2013-01-01 01:17:00"},
{"2013-01-01 23:50:00", "2013-01-02 00:17:00"},
{"2013-02-28 23:50:00", "2013-03-01 00:17:00"},
{"2016-02-28 23:50:00", "2016-02-29 00:17:00"},
{"2012-12-31 23:50:00", "2013-01-01 00:17:00"},
},
},
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ah yes, forgot to use go fmt
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// Minutes interval, list
{
"15-30/4,55 * * * *",
"2006-01-02 15:04:05",
[]crontimes{
{"2013-01-01 00:00:00", "2013-01-01 00:15:00"},
{"2013-01-01 00:16:00", "2013-01-01 00:19:00"},
{"2013-01-01 00:30:00", "2013-01-01 00:55:00"},
{"2013-01-01 00:55:00", "2013-01-01 01:15:00"},
{"2013-01-01 23:55:00", "2013-01-02 00:15:00"},
{"2013-02-28 23:55:00", "2013-03-01 00:15:00"},
{"2016-02-28 23:55:00", "2016-02-29 00:15:00"},
{"2012-12-31 23:54:00", "2012-12-31 23:55:00"},
{"2012-12-31 23:55:00", "2013-01-01 00:15:00"},
},
},
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ah yes, forgot to use go fmt
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// Days of week
{
"0 0 * * MON",
"Mon 2006-01-02 15:04",
[]crontimes{
{"2013-01-01 00:00:00", "Mon 2013-01-07 00:00"},
{"2013-01-28 00:00:00", "Mon 2013-02-04 00:00"},
{"2013-12-30 00:30:00", "Mon 2014-01-06 00:00"},
},
},
oops, fixed bug introduced by last change, added test case
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{
"0 0 * * friday",
"Mon 2006-01-02 15:04",
[]crontimes{
{"2013-01-01 00:00:00", "Fri 2013-01-04 00:00"},
{"2013-01-28 00:00:00", "Fri 2013-02-01 00:00"},
{"2013-12-30 00:30:00", "Fri 2014-01-03 00:00"},
},
},
added test
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{
"0 0 * * 6,7",
"Mon 2006-01-02 15:04",
[]crontimes{
{"2013-01-01 00:00:00", "Sat 2013-01-05 00:00"},
{"2013-01-28 00:00:00", "Sat 2013-02-02 00:00"},
{"2013-12-30 00:30:00", "Sat 2014-01-04 00:00"},
},
},
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oops, fixed bug introduced by last change, added test case
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// Specific days of week
added test for specific weekdays of week
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{
"0 0 * * 6#5",
"Mon 2006-01-02 15:04",
[]crontimes{
{"2013-09-02 00:00:00", "Sat 2013-11-30 00:00"},
},
},
issues #1, #3, #5, #6
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// Work day of month
{
"0 0 14W * *",
"Mon 2006-01-02 15:04",
[]crontimes{
{"2013-03-31 00:00:00", "Mon 2013-04-15 00:00"},
{"2013-08-31 00:00:00", "Fri 2013-09-13 00:00"},
},
},
// Work day of month -- end of month
{
"0 0 30W * *",
"Mon 2006-01-02 15:04",
[]crontimes{
{"2013-03-02 00:00:00", "Fri 2013-03-29 00:00"},
{"2013-06-02 00:00:00", "Fri 2013-06-28 00:00"},
{"2013-09-02 00:00:00", "Mon 2013-09-30 00:00"},
{"2013-11-02 00:00:00", "Fri 2013-11-29 00:00"},
},
},
// Last day of month
{
"0 0 L * *",
"Mon 2006-01-02 15:04",
[]crontimes{
{"2013-09-02 00:00:00", "Mon 2013-09-30 00:00"},
{"2014-01-01 00:00:00", "Fri 2014-01-31 00:00"},
{"2014-02-01 00:00:00", "Fri 2014-02-28 00:00"},
{"2016-02-15 00:00:00", "Mon 2016-02-29 00:00"},
},
},
// Last work day of month
{
"0 0 LW * *",
"Mon 2006-01-02 15:04",
[]crontimes{
{"2013-09-02 00:00:00", "Mon 2013-09-30 00:00"},
{"2013-11-02 00:00:00", "Fri 2013-11-29 00:00"},
{"2014-08-15 00:00:00", "Fri 2014-08-29 00:00"},
},
},
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// TODO: more tests
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}
changed naming convention as per https://groups.google.com/d/msg/golang-nuts/la6mB5xG1L4/W3aJaIRkZxUJ
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func TestExpressions(t *testing.T) {
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for _, test := range crontests {
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for _, times := range test.times {
from, _ := time.Parse("2006-01-02 15:04:05", times.from)
issues #1, #3, #5, #6
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expr, err := cronexpr.Parse(test.expr)
if err != nil {
t.Errorf(`cronexpr.Parse("%s") returned "%s"`, test.expr, err.Error())
}
next := expr.Next(from)
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nextstr := next.Format(test.layout)
if nextstr != times.next {
go fmt'ed
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t.Errorf(`("%s").Next("%s") = "%s", got "%s"`, test.expr, times.from, times.next, nextstr)
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}
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}
}
}
go fmt'ed
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/******************************************************************************/
go fmt'ed
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func TestZero(t *testing.T) {
from, _ := time.Parse("2006-01-02", "2013-08-31")
changes as per #5
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next := cronexpr.MustParse("* * * * * 1980").Next(from)
go fmt'ed
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if next.IsZero() == false {
changes as suggested at https://groups.google.com/d/msg/golang-nuts/la6mB5xG1L4/5V0L2GqF_1oJ
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t.Error(`("* * * * * 1980").Next("2013-08-31").IsZero() returned 'false', expected 'true'`)
go fmt'ed
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}
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next = cronexpr.MustParse("* * * * * 2050").Next(from)
go fmt'ed
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if next.IsZero() == true {
changes as suggested at https://groups.google.com/d/msg/golang-nuts/la6mB5xG1L4/5V0L2GqF_1oJ
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t.Error(`("* * * * * 2050").Next("2013-08-31").IsZero() returned 'true', expected 'false'`)
}
changes as per #5
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next = cronexpr.MustParse("* * * * * 2099").Next(time.Time{})
changes as suggested at https://groups.google.com/d/msg/golang-nuts/la6mB5xG1L4/5V0L2GqF_1oJ
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if next.IsZero() == false {
t.Error(`("* * * * * 2014").Next(time.Time{}).IsZero() returned 'true', expected 'false'`)
go fmt'ed
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}
}
changes as per #5
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added benchmarking, as per #5
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/******************************************************************************/
changes as per #5
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func TestNextN(t *testing.T) {
expected := []string{
"Sat, 30 Nov 2013 00:00:00",
"Sat, 29 Mar 2014 00:00:00",
"Sat, 31 May 2014 00:00:00",
"Sat, 30 Aug 2014 00:00:00",
"Sat, 29 Nov 2014 00:00:00",
}
from, _ := time.Parse("2006-01-02 15:04:05", "2013-09-02 08:44:30")
result := cronexpr.MustParse("0 0 * * 6#5").NextN(from, uint(len(expected)))
if len(result) != len(expected) {
t.Errorf(`MustParse("0 0 * * 6#5").NextN("2013-09-02 08:44:30", 5):\n"`)
t.Errorf(` Expected %d returned time values but got %d instead`, len(expected), len(result))
}
for i, next := range result {
nextStr := next.Format("Mon, 2 Jan 2006 15:04:15")
if nextStr != expected[i] {
t.Errorf(`MustParse("0 0 * * 6#5").NextN("2013-09-02 08:44:30", 5):\n"`)
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t.Errorf(` result[%d]: expected "%s" but got "%s"`, i, expected[i], nextStr)
}
}
}
func TestNextN_every5min(t *testing.T) {
expected := []string{
"Mon, 2 Sep 2013 08:45:00",
"Mon, 2 Sep 2013 08:50:00",
"Mon, 2 Sep 2013 08:55:00",
"Mon, 2 Sep 2013 09:00:00",
"Mon, 2 Sep 2013 09:05:00",
}
from, _ := time.Parse("2006-01-02 15:04:05", "2013-09-02 08:44:32")
result := cronexpr.MustParse("*/5 * * * *").NextN(from, uint(len(expected)))
if len(result) != len(expected) {
t.Errorf(`MustParse("*/5 * * * *").NextN("2013-09-02 08:44:30", 5):\n"`)
t.Errorf(` Expected %d returned time values but got %d instead`, len(expected), len(result))
}
for i, next := range result {
nextStr := next.Format("Mon, 2 Jan 2006 15:04:05")
if nextStr != expected[i] {
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t.Errorf(`MustParse("*/5 * * * *").NextN("2013-09-02 08:44:30", 5):\n"`)
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t.Errorf(` result[%d]: expected "%s" but got "%s"`, i, expected[i], nextStr)
}
}
}
added benchmarking, as per #5
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Added support for DST with configurable behavior.
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func TestDST(t *testing.T) {
var locs [3]*time.Location
// 1 hour DST, negative UTC offset
// time.Date(2014, 3, 9, 2, 0, 0, 0, locs[0]) Leap PST -> PDT
// time.Date(2014, 11, 2, 1, 59, 59, 0, locs[0]) Fall PDT -> PST
locs[0], _ = time.LoadLocation("America/Los_Angeles")
// biggest tz leap ever (3 hours), occurred from YAKT to MAGST
// at time.Date(1981, 4, 1, 3, 0, 0, 0, locs[1]),
locs[1], _ = time.LoadLocation("Asia/Ust-Nera")
// 30 mins DST, positive UTC offset
// time.Date(2014, 10, 5, 2, 30, 0, 0, locs[2]) Leap LHST -> LHDT
// time.Date(2015, 4, 5, 1, 30, 0, 0, locs[2]) Fall LHDT -> LHST
locs[2], _ = time.LoadLocation("Australia/LHI")
cases := []struct {
name string
expr string
opts cronexpr.Options
from time.Time
expected []time.Time
}{
{
fmt.Sprintf("%s daily leap skip", locs[0]),
"0 0 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(2014, 3, 9, 1, 0, 0, 0, locs[0]),
[]time.Time{
time.Date(2014, 3, 10, 2, 0, 0, 0, locs[0]),
time.Date(2014, 3, 11, 2, 0, 0, 0, locs[0]),
time.Date(2014, 3, 12, 2, 0, 0, 0, locs[0]),
time.Date(2014, 3, 13, 2, 0, 0, 0, locs[0]),
},
},
{
fmt.Sprintf("%s daily leap unskip", locs[0]),
"0 0 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTLeapUnskip | cronexpr.DSTFallFireEarly},
time.Date(2014, 3, 9, 1, 0, 0, 0, locs[0]),
[]time.Time{
time.Date(2014, 3, 9, 3, 0, 0, 0, locs[0]),
time.Date(2014, 3, 10, 2, 0, 0, 0, locs[0]),
time.Date(2014, 3, 11, 2, 0, 0, 0, locs[0]),
time.Date(2014, 3, 12, 2, 0, 0, 0, locs[0]),
},
},
{
fmt.Sprintf("%s hourly leap skip", locs[0]),
"0 0 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(2014, 3, 9, 1, 0, 0, 0, locs[0]),
[]time.Time{
time.Date(2014, 3, 9, 3, 0, 0, 0, locs[0]),
time.Date(2014, 3, 9, 4, 0, 0, 0, locs[0]),
time.Date(2014, 3, 9, 5, 0, 0, 0, locs[0]),
time.Date(2014, 3, 9, 6, 0, 0, 0, locs[0]),
},
},
{
fmt.Sprintf("%s hourly leap unskip", locs[0]),
"0 0 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTLeapUnskip | cronexpr.DSTFallFireEarly},
time.Date(2014, 3, 9, 1, 0, 0, 0, locs[0]),
[]time.Time{
time.Date(2014, 3, 9, 3, 0, 0, 0, locs[0]),
time.Date(2014, 3, 9, 4, 0, 0, 0, locs[0]),
time.Date(2014, 3, 9, 5, 0, 0, 0, locs[0]),
time.Date(2014, 3, 9, 6, 0, 0, 0, locs[0]),
},
},
{
fmt.Sprintf("%s daily quarter-hourly leap skip", locs[0]),
"0 */15 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(2014, 3, 9, 1, 0, 0, 0, locs[0]),
[]time.Time{
time.Date(2014, 3, 10, 2, 0, 0, 0, locs[0]),
time.Date(2014, 3, 10, 2, 15, 0, 0, locs[0]),
time.Date(2014, 3, 10, 2, 30, 0, 0, locs[0]),
time.Date(2014, 3, 10, 2, 45, 0, 0, locs[0]),
},
},
{
fmt.Sprintf("%s daily quarter-hourly leap unskip", locs[0]),
"0 */15 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTLeapUnskip | cronexpr.DSTFallFireEarly},
time.Date(2014, 3, 9, 1, 0, 0, 0, locs[0]),
[]time.Time{
time.Date(2014, 3, 9, 3, 0, 0, 0, locs[0]),
time.Date(2014, 3, 9, 3, 15, 0, 0, locs[0]),
time.Date(2014, 3, 9, 3, 30, 0, 0, locs[0]),
time.Date(2014, 3, 9, 3, 45, 0, 0, locs[0]),
},
},
{
fmt.Sprintf("%s daily fall fire early", locs[0]),
"0 0 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(2014, 11, 1, 2, 0, 0, 0, locs[0]),
[]time.Time{
time.Date(2014, 11, 2, 1, 0, 0, 0, locs[0]).Add(1 * time.Hour),
time.Date(2014, 11, 3, 2, 0, 0, 0, locs[0]),
time.Date(2014, 11, 4, 2, 0, 0, 0, locs[0]),
time.Date(2014, 11, 5, 2, 0, 0, 0, locs[0]),
},
},
{
fmt.Sprintf("%s daily fall fire late", locs[0]),
"0 0 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireLate},
time.Date(2014, 11, 1, 2, 0, 0, 0, locs[0]),
[]time.Time{
time.Date(2014, 11, 2, 2, 0, 0, 0, locs[0]),
time.Date(2014, 11, 3, 2, 0, 0, 0, locs[0]),
time.Date(2014, 11, 4, 2, 0, 0, 0, locs[0]),
time.Date(2014, 11, 5, 2, 0, 0, 0, locs[0]),
},
},
{
fmt.Sprintf("%s daily fall fire both", locs[0]),
"0 0 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly | cronexpr.DSTFallFireLate},
time.Date(2014, 11, 1, 2, 0, 0, 0, locs[0]),
[]time.Time{
time.Date(2014, 11, 2, 1, 0, 0, 0, locs[0]).Add(1 * time.Hour),
time.Date(2014, 11, 2, 2, 0, 0, 0, locs[0]),
time.Date(2014, 11, 3, 2, 0, 0, 0, locs[0]),
time.Date(2014, 11, 4, 2, 0, 0, 0, locs[0]),
},
},
{
fmt.Sprintf("%s hourly fall fire early", locs[0]),
"0 0 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(2014, 11, 2, 0, 0, 0, 0, locs[0]),
[]time.Time{
time.Date(2014, 11, 2, 1, 0, 0, 0, locs[0]),
time.Date(2014, 11, 2, 2, 0, 0, 0, locs[0]),
time.Date(2014, 11, 2, 3, 0, 0, 0, locs[0]),
time.Date(2014, 11, 2, 4, 0, 0, 0, locs[0]),
},
},
{
fmt.Sprintf("%s hourly fall fire late", locs[0]),
"0 0 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireLate},
time.Date(2014, 11, 2, 0, 0, 0, 0, locs[0]),
[]time.Time{
time.Date(2014, 11, 2, 1, 0, 0, 0, locs[0]).Add(1 * time.Hour),
time.Date(2014, 11, 2, 2, 0, 0, 0, locs[0]),
time.Date(2014, 11, 2, 3, 0, 0, 0, locs[0]),
time.Date(2014, 11, 2, 4, 0, 0, 0, locs[0]),
},
},
{
fmt.Sprintf("%s hourly fall fire twice", locs[0]),
"0 0 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly | cronexpr.DSTFallFireLate},
time.Date(2014, 11, 2, 0, 0, 0, 0, locs[0]),
[]time.Time{
time.Date(2014, 11, 2, 1, 0, 0, 0, locs[0]),
time.Date(2014, 11, 2, 1, 0, 0, 0, locs[0]).Add(1 * time.Hour),
time.Date(2014, 11, 2, 2, 0, 0, 0, locs[0]),
time.Date(2014, 11, 2, 3, 0, 0, 0, locs[0]),
},
},
{
fmt.Sprintf("%s daily leap skip", locs[1]),
"0 0 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(1981, 3, 31, 2, 0, 0, 0, locs[1]),
[]time.Time{
time.Date(1981, 4, 2, 2, 0, 0, 0, locs[1]),
time.Date(1981, 4, 3, 2, 0, 0, 0, locs[1]),
time.Date(1981, 4, 4, 2, 0, 0, 0, locs[1]),
time.Date(1981, 4, 5, 2, 0, 0, 0, locs[1]),
},
},
{
fmt.Sprintf("%s daily leap unskip", locs[1]),
"0 0 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTLeapUnskip | cronexpr.DSTFallFireEarly},
time.Date(1981, 3, 31, 2, 0, 0, 0, locs[1]),
[]time.Time{
time.Date(1981, 4, 1, 3, 0, 0, 0, locs[1]),
time.Date(1981, 4, 2, 2, 0, 0, 0, locs[1]),
time.Date(1981, 4, 3, 2, 0, 0, 0, locs[1]),
time.Date(1981, 4, 4, 2, 0, 0, 0, locs[1]),
},
},
{
fmt.Sprintf("%s hourly leap skip", locs[1]),
"0 0 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(1981, 3, 31, 23, 0, 0, 0, locs[1]),
[]time.Time{
time.Date(1981, 4, 1, 3, 0, 0, 0, locs[1]),
time.Date(1981, 4, 1, 4, 0, 0, 0, locs[1]),
time.Date(1981, 4, 1, 5, 0, 0, 0, locs[1]),
time.Date(1981, 4, 1, 6, 0, 0, 0, locs[1]),
},
},
{
fmt.Sprintf("%s hourly leap unskip", locs[1]),
"0 0 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTLeapUnskip | cronexpr.DSTFallFireEarly},
time.Date(1981, 3, 31, 23, 0, 0, 0, locs[1]),
[]time.Time{
time.Date(1981, 4, 1, 3, 0, 0, 0, locs[1]),
time.Date(1981, 4, 1, 4, 0, 0, 0, locs[1]),
time.Date(1981, 4, 1, 5, 0, 0, 0, locs[1]),
time.Date(1981, 4, 1, 6, 0, 0, 0, locs[1]),
},
},
{
fmt.Sprintf("%s quarter-hourly leap skip", locs[1]),
"0 */15 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(1981, 3, 31, 23, 15, 0, 0, locs[1]),
[]time.Time{
time.Date(1981, 3, 31, 23, 30, 0, 0, locs[1]),
time.Date(1981, 3, 31, 23, 45, 0, 0, locs[1]),
time.Date(1981, 4, 1, 3, 0, 0, 0, locs[1]),
time.Date(1981, 4, 1, 3, 15, 0, 0, locs[1]),
},
},
{
fmt.Sprintf("%s quarter-hourly leap unskip", locs[1]),
"0 */15 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTLeapUnskip | cronexpr.DSTFallFireEarly},
time.Date(1981, 3, 31, 23, 15, 0, 0, locs[1]),
[]time.Time{
time.Date(1981, 3, 31, 23, 30, 0, 0, locs[1]),
time.Date(1981, 3, 31, 23, 45, 0, 0, locs[1]),
time.Date(1981, 4, 1, 3, 0, 0, 0, locs[1]),
time.Date(1981, 4, 1, 3, 15, 0, 0, locs[1]),
},
},
{
fmt.Sprintf("%s daily third-hourly leap skip", locs[1]),
"0 */20 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(1981, 3, 31, 2, 40, 0, 0, locs[1]),
[]time.Time{
time.Date(1981, 4, 2, 2, 0, 0, 0, locs[1]),
time.Date(1981, 4, 2, 2, 20, 0, 0, locs[1]),
time.Date(1981, 4, 2, 2, 40, 0, 0, locs[1]),
time.Date(1981, 4, 3, 2, 0, 0, 0, locs[1]),
},
},
{
fmt.Sprintf("%s daily third-hourly leap unskip", locs[1]),
"0 */20 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTLeapUnskip | cronexpr.DSTFallFireEarly},
time.Date(1981, 3, 31, 2, 40, 0, 0, locs[1]),
[]time.Time{
time.Date(1981, 4, 1, 3, 0, 0, 0, locs[1]),
time.Date(1981, 4, 1, 3, 20, 0, 0, locs[1]),
time.Date(1981, 4, 1, 3, 40, 0, 0, locs[1]),
time.Date(1981, 4, 2, 2, 0, 0, 0, locs[1]),
},
},
{
fmt.Sprintf("%s daily leap skip", locs[2]),
"0 0 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(2014, 10, 4, 2, 0, 0, 0, locs[2]),
[]time.Time{
time.Date(2014, 10, 6, 2, 0, 0, 0, locs[2]),
time.Date(2014, 10, 7, 2, 0, 0, 0, locs[2]),
time.Date(2014, 10, 8, 2, 0, 0, 0, locs[2]),
time.Date(2014, 10, 9, 2, 0, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s daily leap unskip", locs[2]),
"0 0 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTLeapUnskip | cronexpr.DSTFallFireEarly},
time.Date(2014, 10, 4, 2, 0, 0, 0, locs[2]),
[]time.Time{
time.Date(2014, 10, 5, 2, 30, 0, 0, locs[2]),
time.Date(2014, 10, 6, 2, 0, 0, 0, locs[2]),
time.Date(2014, 10, 7, 2, 0, 0, 0, locs[2]),
time.Date(2014, 10, 8, 2, 0, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s hourly leap skip", locs[2]),
"0 0 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(2014, 10, 5, 1, 0, 0, 0, locs[2]),
[]time.Time{
time.Date(2014, 10, 5, 3, 0, 0, 0, locs[2]),
time.Date(2014, 10, 5, 4, 0, 0, 0, locs[2]),
time.Date(2014, 10, 5, 5, 0, 0, 0, locs[2]),
time.Date(2014, 10, 5, 6, 0, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s hourly leap unskip", locs[2]),
"0 0 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTLeapUnskip | cronexpr.DSTFallFireEarly},
time.Date(2014, 10, 5, 1, 0, 0, 0, locs[2]),
[]time.Time{
time.Date(2014, 10, 5, 2, 30, 0, 0, locs[2]),
time.Date(2014, 10, 5, 3, 0, 0, 0, locs[2]),
time.Date(2014, 10, 5, 4, 0, 0, 0, locs[2]),
time.Date(2014, 10, 5, 5, 0, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s quarter-hourly leap skip", locs[2]),
"0 */15 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(2014, 10, 5, 1, 15, 0, 0, locs[2]),
[]time.Time{
time.Date(2014, 10, 5, 1, 30, 0, 0, locs[2]),
time.Date(2014, 10, 5, 1, 45, 0, 0, locs[2]),
time.Date(2014, 10, 5, 2, 30, 0, 0, locs[2]),
time.Date(2014, 10, 5, 2, 45, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s quarter-hourly leap unskip", locs[2]),
"0 */15 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTLeapUnskip | cronexpr.DSTFallFireEarly},
time.Date(2014, 10, 5, 1, 15, 0, 0, locs[2]),
[]time.Time{
time.Date(2014, 10, 5, 1, 30, 0, 0, locs[2]),
time.Date(2014, 10, 5, 1, 45, 0, 0, locs[2]),
time.Date(2014, 10, 5, 2, 30, 0, 0, locs[2]),
time.Date(2014, 10, 5, 2, 45, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s third-hourly leap skip", locs[2]),
"0 */20 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(2014, 10, 4, 2, 40, 0, 0, locs[2]),
[]time.Time{
time.Date(2014, 10, 5, 2, 40, 0, 0, locs[2]),
time.Date(2014, 10, 6, 2, 0, 0, 0, locs[2]),
time.Date(2014, 10, 6, 2, 20, 0, 0, locs[2]),
time.Date(2014, 10, 6, 2, 40, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s third-hourly leap unskip", locs[2]),
"0 */20 2 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTLeapUnskip | cronexpr.DSTFallFireEarly},
time.Date(2014, 10, 4, 2, 40, 0, 0, locs[2]),
[]time.Time{
time.Date(2014, 10, 5, 2, 30, 0, 0, locs[2]),
time.Date(2014, 10, 5, 2, 40, 0, 0, locs[2]),
time.Date(2014, 10, 6, 2, 0, 0, 0, locs[2]),
time.Date(2014, 10, 6, 2, 20, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s daily fall fire early", locs[2]),
"0 45 1 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(2015, 4, 5, 1, 0, 0, 0, locs[2]).Add(45 * time.Minute),
[]time.Time{
time.Date(2015, 4, 6, 1, 45, 0, 0, locs[2]),
time.Date(2015, 4, 7, 1, 45, 0, 0, locs[2]),
time.Date(2015, 4, 8, 1, 45, 0, 0, locs[2]),
time.Date(2015, 4, 9, 1, 45, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s daily fall fire late", locs[2]),
"0 45 1 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireLate},
time.Date(2015, 4, 5, 1, 45, 0, 0, locs[2]),
[]time.Time{
time.Date(2015, 4, 6, 1, 45, 0, 0, locs[2]),
time.Date(2015, 4, 7, 1, 45, 0, 0, locs[2]),
time.Date(2015, 4, 8, 1, 45, 0, 0, locs[2]),
time.Date(2015, 4, 9, 1, 45, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s daily fall fire twice", locs[2]),
"0 45 1 * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly | cronexpr.DSTFallFireLate},
time.Date(2015, 4, 5, 1, 0, 0, 0, locs[2]),
[]time.Time{
time.Date(2015, 4, 5, 1, 0, 0, 0, locs[2]).Add(45 * time.Minute),
time.Date(2015, 4, 5, 1, 45, 0, 0, locs[2]),
time.Date(2015, 4, 6, 1, 45, 0, 0, locs[2]),
time.Date(2015, 4, 7, 1, 45, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s hourly fall fire early", locs[2]),
"0 30 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(2015, 4, 5, 0, 30, 0, 0, locs[2]),
[]time.Time{
time.Date(2015, 4, 5, 0, 30, 0, 0, locs[2]).Add(1 * time.Hour),
time.Date(2015, 4, 5, 2, 30, 0, 0, locs[2]),
time.Date(2015, 4, 5, 3, 30, 0, 0, locs[2]),
time.Date(2015, 4, 5, 4, 30, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s hourly fall fire late", locs[2]),
"0 30 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireLate},
time.Date(2015, 4, 5, 0, 30, 0, 0, locs[2]),
[]time.Time{
time.Date(2015, 4, 5, 1, 30, 0, 0, locs[2]),
time.Date(2015, 4, 5, 2, 30, 0, 0, locs[2]),
time.Date(2015, 4, 5, 3, 30, 0, 0, locs[2]),
time.Date(2015, 4, 5, 4, 30, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s hourly fall fire twice", locs[2]),
"0 30 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly | cronexpr.DSTFallFireLate},
time.Date(2015, 4, 5, 0, 30, 0, 0, locs[2]),
[]time.Time{
time.Date(2015, 4, 5, 0, 30, 0, 0, locs[2]).Add(1 * time.Hour),
time.Date(2015, 4, 5, 1, 30, 0, 0, locs[2]),
time.Date(2015, 4, 5, 2, 30, 0, 0, locs[2]),
time.Date(2015, 4, 5, 3, 30, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s half-hourly fall fire early", locs[2]),
"0 */30 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly},
time.Date(2015, 4, 5, 1, 0, 0, 0, locs[2]),
[]time.Time{
time.Date(2015, 4, 5, 1, 0, 0, 0, locs[2]).Add(30 * time.Minute),
time.Date(2015, 4, 5, 2, 0, 0, 0, locs[2]),
time.Date(2015, 4, 5, 2, 30, 0, 0, locs[2]),
time.Date(2015, 4, 5, 3, 0, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s half-hourly fall fire late", locs[2]),
"0 */30 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireLate},
time.Date(2015, 4, 5, 1, 0, 0, 0, locs[2]),
[]time.Time{
time.Date(2015, 4, 5, 1, 30, 0, 0, locs[2]),
time.Date(2015, 4, 5, 2, 0, 0, 0, locs[2]),
time.Date(2015, 4, 5, 2, 30, 0, 0, locs[2]),
time.Date(2015, 4, 5, 3, 0, 0, 0, locs[2]),
},
},
{
fmt.Sprintf("%s half-hourly fall fire twice", locs[2]),
"0 */30 * * * * *",
cronexpr.Options{DSTFlags: cronexpr.DSTFallFireEarly | cronexpr.DSTFallFireLate},
time.Date(2015, 4, 5, 1, 0, 0, 0, locs[2]),
[]time.Time{
time.Date(2015, 4, 5, 1, 0, 0, 0, locs[2]).Add(30 * time.Minute),
time.Date(2015, 4, 5, 1, 30, 0, 0, locs[2]),
time.Date(2015, 4, 5, 2, 0, 0, 0, locs[2]),
time.Date(2015, 4, 5, 2, 30, 0, 0, locs[2]),
},
},
}
for _, tc := range cases {
s, err := cronexpr.ParseWithOptions(tc.expr, tc.opts)
if err != nil {
t.Fatalf("parser error: %s", err)
}
runs := s.NextN(tc.from, 4)
if len(runs) != 4 {
t.Errorf("Case %s: Expected 4 runs, got %d", tc.name, len(runs))
}
for i := 0; i < len(runs); i++ {
if !runs[i].Equal(tc.expected[i]) {
t.Errorf("Case %s: Expected %v, got %v", tc.name, tc.expected[i], runs[i])
}
}
}
}
added benchmarking, as per #5
2013-09-02 14:34:47 +00:00
/******************************************************************************/
var benchmarkExpressions = []string{
"* * * * *",
"@hourly",
"@weekly",
"@yearly",
"30 3 15W 3/3 *",
"30 0 0 1-31/5 Oct-Dec * 2000,2006,2008,2013-2015",
"0 0 0 * Feb-Nov/2 thu#3 2000-2050",
}
var benchmarkExpressionsLen = len(benchmarkExpressions)
func BenchmarkParse(b *testing.B) {
for i := 0; i < b.N; i++ {
_ = cronexpr.MustParse(benchmarkExpressions[i%benchmarkExpressionsLen])
}
}
func BenchmarkNext(b *testing.B) {
exprs := make([]*cronexpr.Expression, benchmarkExpressionsLen)
for i := 0; i < benchmarkExpressionsLen; i++ {
exprs[i] = cronexpr.MustParse(benchmarkExpressions[i])
}
from := time.Now()
b.ResetTimer()
for i := 0; i < b.N; i++ {
expr := exprs[i%benchmarkExpressionsLen]
next := expr.Next(from)
next = expr.Next(next)
next = expr.Next(next)
next = expr.Next(next)
next = expr.Next(next)
}
}