116 lines
3.1 KiB
Go
116 lines
3.1 KiB
Go
/*!
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* Copyright 2013 Raymond Hill
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*
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* Project: github.com/gorhill/example_test.go
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* File: example_test.go
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* Version: 1.0
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* License: GPL v3 see <https://www.gnu.org/licenses/gpl.html>
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*
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*/
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package cronexpr_test
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/******************************************************************************/
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import (
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"fmt"
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"time"
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"github.com/gorhill/cronexpr"
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)
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/******************************************************************************/
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// ExampleMustParse
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func ExampleMustParse() {
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t := time.Date(2013, time.August, 31, 0, 0, 0, 0, time.UTC)
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nextTimes := cronexpr.MustParse("0 0 29 2 *").NextN(t, 5)
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for i := range nextTimes {
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fmt.Println(nextTimes[i].Format(time.RFC1123))
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// Output:
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// Mon, 29 Feb 2016 00:00:00 UTC
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// Sat, 29 Feb 2020 00:00:00 UTC
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// Thu, 29 Feb 2024 00:00:00 UTC
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// Tue, 29 Feb 2028 00:00:00 UTC
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// Sun, 29 Feb 2032 00:00:00 UTC
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}
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}
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// Configure the parser to skip times in DST leaps and
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// repeat times in DST falls
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func ExampleParseWithOptions_dst1() {
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loc, _ := time.LoadLocation("America/Los_Angeles")
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t := time.Date(2014, 3, 8, 1, 0, 0, 0, loc)
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expr, _ := cronexpr.ParseWithOptions("0 0 2 * * * *", cronexpr.Options{
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DSTFlags: cronexpr.DSTFallFireEarly | cronexpr.DSTFallFireLate,
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})
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fmt.Println("DST leap times:")
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nextTimes := expr.NextN(t, 4)
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for i := range nextTimes {
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fmt.Println(nextTimes[i].Format(time.RFC1123))
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}
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t = time.Date(2014, 10, 31, 1, 0, 0, 0, loc)
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expr, _ = cronexpr.ParseWithOptions("0 0 1 * * * *", cronexpr.Options{
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DSTFlags: cronexpr.DSTFallFireEarly | cronexpr.DSTFallFireLate,
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})
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fmt.Println("DST fall times:")
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nextTimes = expr.NextN(t, 4)
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for i := range nextTimes {
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fmt.Println(nextTimes[i].Format(time.RFC1123))
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}
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// Output:
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// DST leap times:
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// Sat, 08 Mar 2014 02:00:00 PST
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// Mon, 10 Mar 2014 02:00:00 PDT
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// Tue, 11 Mar 2014 02:00:00 PDT
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// Wed, 12 Mar 2014 02:00:00 PDT
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// DST fall times:
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// Sat, 01 Nov 2014 01:00:00 PDT
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// Sun, 02 Nov 2014 01:00:00 PDT
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// Sun, 02 Nov 2014 01:00:00 PST
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// Mon, 03 Nov 2014 01:00:00 PST
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}
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// Configure the parser to unskip times in DST leaps and
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// fire late in DST falls
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func ExampleParseWithOptions_dst2() {
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loc, _ := time.LoadLocation("America/Los_Angeles")
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t := time.Date(2014, 3, 8, 1, 0, 0, 0, loc)
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expr, _ := cronexpr.ParseWithOptions("0 0 2 * * * *", cronexpr.Options{
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DSTFlags: cronexpr.DSTLeapUnskip | cronexpr.DSTFallFireLate,
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})
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fmt.Println("DST leap times:")
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nextTimes := expr.NextN(t, 4)
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for i := range nextTimes {
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fmt.Println(nextTimes[i].Format(time.RFC1123))
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}
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t = time.Date(2014, 10, 31, 1, 0, 0, 0, loc)
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expr, _ = cronexpr.ParseWithOptions("0 0 1 * * * *", cronexpr.Options{
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DSTFlags: cronexpr.DSTLeapUnskip | cronexpr.DSTFallFireLate,
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})
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fmt.Println("DST fall times:")
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nextTimes = expr.NextN(t, 4)
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for i := range nextTimes {
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fmt.Println(nextTimes[i].Format(time.RFC1123))
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}
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// Output:
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// DST leap times:
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// Sat, 08 Mar 2014 02:00:00 PST
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// Sun, 09 Mar 2014 03:00:00 PDT
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// Mon, 10 Mar 2014 02:00:00 PDT
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// Tue, 11 Mar 2014 02:00:00 PDT
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// DST fall times:
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// Sat, 01 Nov 2014 01:00:00 PDT
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// Sun, 02 Nov 2014 01:00:00 PST
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// Mon, 03 Nov 2014 01:00:00 PST
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// Tue, 04 Nov 2014 01:00:00 PST
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}
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