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spec_test.go
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spec_test.go
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package cron
import (
"testing"
"time"
)
func TestActivation(t *testing.T) {
tests := []struct {
time, spec string
expected bool
}{
// Every fifteen minutes.
{"Mon Jul 9 15:00 2012", "0 0/15 * * *", true},
{"Mon Jul 9 15:45 2012", "0 0/15 * * *", true},
{"Mon Jul 9 15:40 2012", "0 0/15 * * *", false},
// Every fifteen minutes, starting at 5 minutes.
{"Mon Jul 9 15:05 2012", "0 5/15 * * *", true},
{"Mon Jul 9 15:20 2012", "0 5/15 * * *", true},
{"Mon Jul 9 15:50 2012", "0 5/15 * * *", true},
// Named months
{"Sun Jul 15 15:00 2012", "0 0/15 * * Jul", true},
{"Sun Jul 15 15:00 2012", "0 0/15 * * Jun", false},
// Everything set.
{"Sun Jul 15 08:30 2012", "0 30 08 ? Jul Sun", true},
{"Sun Jul 15 08:30 2012", "0 30 08 15 Jul ?", true},
{"Mon Jul 16 08:30 2012", "0 30 08 ? Jul Sun", false},
{"Mon Jul 16 08:30 2012", "0 30 08 15 Jul ?", false},
// Predefined schedules
{"Mon Jul 9 15:00 2012", "@hourly", true},
{"Mon Jul 9 15:04 2012", "@hourly", false},
{"Mon Jul 9 15:00 2012", "@daily", false},
{"Mon Jul 9 00:00 2012", "@daily", true},
{"Mon Jul 9 00:00 2012", "@weekly", false},
{"Sun Jul 8 00:00 2012", "@weekly", true},
{"Sun Jul 8 01:00 2012", "@weekly", false},
{"Sun Jul 8 00:00 2012", "@monthly", false},
{"Sun Jul 1 00:00 2012", "@monthly", true},
// Test interaction of DOW and DOM.
// If both are specified, then only one needs to match.
{"Sun Jul 15 00:00 2012", "0 * * 1,15 * Sun", true},
{"Fri Jun 15 00:00 2012", "0 * * 1,15 * Sun", true},
{"Wed Aug 1 00:00 2012", "0 * * 1,15 * Sun", true},
// However, if one has a star, then both need to match.
{"Sun Jul 15 00:00 2012", "0 * * * * Mon", false},
{"Sun Jul 15 00:00 2012", "0 * * */10 * Sun", false},
{"Mon Jul 9 00:00 2012", "0 * * 1,15 * *", false},
{"Sun Jul 15 00:00 2012", "0 * * 1,15 * *", true},
{"Sun Jul 15 00:00 2012", "0 * * */2 * Sun", true},
}
for _, test := range tests {
sched, err := Parse(test.spec)
if err != nil {
t.Error(err)
continue
}
actual := sched.Next(getTime(test.time).Add(-1 * time.Second))
expected := getTime(test.time)
if test.expected && expected != actual || !test.expected && expected == actual {
t.Errorf("Fail evaluating %s on %s: (expected) %s != %s (actual)",
test.spec, test.time, expected, actual)
}
}
}
func TestNext(t *testing.T) {
runs := []struct {
time, spec string
expected string
}{
// Simple cases
{"Mon Jul 9 14:45 2012", "0 0/15 * * *", "Mon Jul 9 15:00 2012"},
{"Mon Jul 9 14:59 2012", "0 0/15 * * *", "Mon Jul 9 15:00 2012"},
{"Mon Jul 9 14:59:59 2012", "0 0/15 * * *", "Mon Jul 9 15:00 2012"},
// Wrap around hours
{"Mon Jul 9 15:45 2012", "0 20-35/15 * * *", "Mon Jul 9 16:20 2012"},
// Wrap around days
{"Mon Jul 9 23:46 2012", "0 */15 * * *", "Tue Jul 10 00:00 2012"},
{"Mon Jul 9 23:45 2012", "0 20-35/15 * * *", "Tue Jul 10 00:20 2012"},
{"Mon Jul 9 23:35:51 2012", "15/35 20-35/15 * * *", "Tue Jul 10 00:20:15 2012"},
{"Mon Jul 9 23:35:51 2012", "15/35 20-35/15 1/2 * *", "Tue Jul 10 01:20:15 2012"},
{"Mon Jul 9 23:35:51 2012", "15/35 20-35/15 10-12 * *", "Tue Jul 10 10:20:15 2012"},
{"Mon Jul 9 23:35:51 2012", "15/35 20-35/15 1/2 */2 * *", "Thu Jul 11 01:20:15 2012"},
{"Mon Jul 9 23:35:51 2012", "15/35 20-35/15 * 9-20 * *", "Wed Jul 10 00:20:15 2012"},
{"Mon Jul 9 23:35:51 2012", "15/35 20-35/15 * 9-20 Jul *", "Wed Jul 10 00:20:15 2012"},
// Wrap around months
{"Mon Jul 9 23:35 2012", "0 0 0 9 Apr-Oct ?", "Thu Aug 9 00:00 2012"},
{"Mon Jul 9 23:35 2012", "0 0 0 */5 Apr,Aug,Oct Mon", "Mon Aug 6 00:00 2012"},
{"Mon Jul 9 23:35 2012", "0 0 0 */5 Oct Mon", "Mon Oct 1 00:00 2012"},
// Wrap around years
{"Mon Jul 9 23:35 2012", "0 0 0 * Feb Mon", "Mon Feb 4 00:00 2013"},
{"Mon Jul 9 23:35 2012", "0 0 0 * Feb Mon/2", "Fri Feb 1 00:00 2013"},
// Wrap around minute, hour, day, month, and year
{"Mon Dec 31 23:59:45 2012", "0 * * * * *", "Tue Jan 1 00:00:00 2013"},
// Leap year
{"Mon Jul 9 23:35 2012", "0 0 0 29 Feb ?", "Mon Feb 29 00:00 2016"},
// Daylight savings time 2am EST (-5) -> 3am EDT (-4)
{"2012-03-11T00:00:00-0500", "0 30 2 11 Mar ?", "2013-03-11T02:30:00-0400"},
// hourly job
{"2012-03-11T00:00:00-0500", "0 0 * * * ?", "2012-03-11T01:00:00-0500"},
{"2012-03-11T01:00:00-0500", "0 0 * * * ?", "2012-03-11T03:00:00-0400"},
{"2012-03-11T03:00:00-0400", "0 0 * * * ?", "2012-03-11T04:00:00-0400"},
{"2012-03-11T04:00:00-0400", "0 0 * * * ?", "2012-03-11T05:00:00-0400"},
// 1am nightly job
{"2012-03-11T00:00:00-0500", "0 0 1 * * ?", "2012-03-11T01:00:00-0500"},
{"2012-03-11T01:00:00-0500", "0 0 1 * * ?", "2012-03-12T01:00:00-0400"},
// 2am nightly job (skipped)
{"2012-03-11T00:00:00-0500", "0 0 2 * * ?", "2012-03-12T02:00:00-0400"},
// Daylight savings time 2am EDT (-4) => 1am EST (-5)
{"2012-11-04T00:00:00-0400", "0 30 2 04 Nov ?", "2012-11-04T02:30:00-0500"},
{"2012-11-04T01:45:00-0400", "0 30 1 04 Nov ?", "2012-11-04T01:30:00-0500"},
// hourly job
{"2012-11-04T00:00:00-0400", "0 0 * * * ?", "2012-11-04T01:00:00-0400"},
{"2012-11-04T01:00:00-0400", "0 0 * * * ?", "2012-11-04T01:00:00-0500"},
{"2012-11-04T01:00:00-0500", "0 0 * * * ?", "2012-11-04T02:00:00-0500"},
// 1am nightly job (runs twice)
{"2012-11-04T00:00:00-0400", "0 0 1 * * ?", "2012-11-04T01:00:00-0400"},
{"2012-11-04T01:00:00-0400", "0 0 1 * * ?", "2012-11-04T01:00:00-0500"},
{"2012-11-04T01:00:00-0500", "0 0 1 * * ?", "2012-11-05T01:00:00-0500"},
// 2am nightly job
{"2012-11-04T00:00:00-0400", "0 0 2 * * ?", "2012-11-04T02:00:00-0500"},
{"2012-11-04T02:00:00-0500", "0 0 2 * * ?", "2012-11-05T02:00:00-0500"},
// 3am nightly job
{"2012-11-04T00:00:00-0400", "0 0 3 * * ?", "2012-11-04T03:00:00-0500"},
{"2012-11-04T03:00:00-0500", "0 0 3 * * ?", "2012-11-05T03:00:00-0500"},
// Unsatisfiable
{"Mon Jul 9 23:35 2012", "0 0 0 30 Feb ?", ""},
{"Mon Jul 9 23:35 2012", "0 0 0 31 Apr ?", ""},
}
for _, c := range runs {
sched, err := Parse(c.spec)
if err != nil {
t.Error(err)
continue
}
actual := sched.Next(getTime(c.time))
expected := getTime(c.expected)
if !actual.Equal(expected) {
t.Errorf("%s, \"%s\": (expected) %v != %v (actual)", c.time, c.spec, expected, actual)
}
}
}
func TestErrors(t *testing.T) {
invalidSpecs := []string{
"xyz",
"60 0 * * *",
"0 60 * * *",
"0 0 * * XYZ",
}
for _, spec := range invalidSpecs {
_, err := Parse(spec)
if err == nil {
t.Error("expected an error parsing: ", spec)
}
}
}
func getTime(value string) time.Time {
if value == "" {
return time.Time{}
}
t, err := time.Parse("Mon Jan 2 15:04 2006", value)
if err != nil {
t, err = time.Parse("Mon Jan 2 15:04:05 2006", value)
if err != nil {
t, err = time.Parse("2006-01-02T15:04:05-0700", value)
if err != nil {
panic(err)
}
// Daylight savings time tests require location
if ny, err := time.LoadLocation("America/New_York"); err == nil {
t = t.In(ny)
}
}
}
return t
}
func TestNextWithTz(t *testing.T) {
runs := []struct {
time, spec string
expected string
}{
// Failing tests
{"2016-01-03T13:09:03+0530", "0 14 14 * * *", "2016-01-03T14:14:00+0530"},
{"2016-01-03T04:09:03+0530", "0 14 14 * * ?", "2016-01-03T14:14:00+0530"},
// Passing tests
{"2016-01-03T14:09:03+0530", "0 14 14 * * *", "2016-01-03T14:14:00+0530"},
{"2016-01-03T14:00:00+0530", "0 14 14 * * ?", "2016-01-03T14:14:00+0530"},
}
for _, c := range runs {
sched, err := Parse(c.spec)
if err != nil {
t.Error(err)
continue
}
actual := sched.Next(getTimeTZ(c.time))
expected := getTimeTZ(c.expected)
if !actual.Equal(expected) {
t.Errorf("%s, \"%s\": (expected) %v != %v (actual)", c.time, c.spec, expected, actual)
}
}
}
func getTimeTZ(value string) time.Time {
if value == "" {
return time.Time{}
}
t, err := time.Parse("Mon Jan 2 15:04 2006", value)
if err != nil {
t, err = time.Parse("Mon Jan 2 15:04:05 2006", value)
if err != nil {
t, err = time.Parse("2006-01-02T15:04:05-0700", value)
if err != nil {
panic(err)
}
}
}
return t
}