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Merge pull request #42 from kumparan/feature/add-GetCronNextAt
feature: add GetCronNextAt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| package utils | ||
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| import ( | ||
| "time" | ||
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| "github.com/robfig/cron/v3" | ||
| ) | ||
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| var cronNextAtTimeFormat = "2006-01-02T15:04:05" | ||
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| // GetCronNextAt supports | ||
| // - Standard crontab specs, e.g. "* * * * ?" | ||
| // - Descriptors, e.g. "@midnight", "@every 1h30m" | ||
| // if cron parsing error then return current time | ||
| func GetCronNextAt(cronTab string) string { | ||
| now := time.Now() | ||
| var schedule, err = cron.ParseStandard(cronTab) | ||
| if err != nil { | ||
| return now.Format(cronNextAtTimeFormat) | ||
| } | ||
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| return schedule.Next(now).Format(cronNextAtTimeFormat) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| package utils | ||
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| import ( | ||
| "testing" | ||
| "time" | ||
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| "github.com/agiledragon/gomonkey" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
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| func TestCron_GetCronNextAt(t *testing.T) { | ||
| now, _ := time.Parse(time.RFC3339, "2010-01-02T15:00:00Z") | ||
| patch := gomonkey.ApplyFunc(time.Now, func() time.Time { return now }) | ||
| defer patch.Reset() | ||
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| assert.Equal(t, now.Format(cronNextAtTimeFormat), GetCronNextAt("* ngaco * cron nya ")) // wrong cron tab,return current time as next at | ||
| assert.Equal(t, now.Add(1*time.Hour).Format(cronNextAtTimeFormat), GetCronNextAt("@hourly")) | ||
| assert.Equal(t, now.Add(1*time.Minute).Format(cronNextAtTimeFormat), GetCronNextAt("*/1 * * * *")) | ||
| assert.Equal(t, now.Add(1*time.Hour).Format(cronNextAtTimeFormat), GetCronNextAt("0 */1 * * *")) // every hour | ||
| assert.Equal(t, now.Add(2*time.Hour).Format(cronNextAtTimeFormat), GetCronNextAt("0 17 */1 * *")) // every 17:00 | ||
| assert.Equal(t, now.Add(30*time.Second).Format(cronNextAtTimeFormat), GetCronNextAt("@every 30s")) | ||
| } |
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