mirror of
https://gitee.com/rainbond/Rainbond.git
synced 2024-12-05 21:27:47 +08:00
417 lines
8.8 KiB
Go
417 lines
8.8 KiB
Go
package cron
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import (
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"fmt"
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"sync"
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"testing"
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"time"
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)
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// Many tests schedule a job for every second, and then wait at most a second
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// for it to run. This amount is just slightly larger than 1 second to
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// compensate for a few milliseconds of runtime.
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const OneSecond = 1*time.Second + 10*time.Millisecond
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func TestFuncPanicRecovery(t *testing.T) {
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cron := New()
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cron.Start()
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defer cron.Stop()
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cron.AddFunc("* * * * * ?", func() { panic("YOLO") })
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select {
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case <-time.After(OneSecond):
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return
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}
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}
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type DummyJob struct{}
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func (d DummyJob) Run() {
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panic("YOLO")
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}
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func TestJobPanicRecovery(t *testing.T) {
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var job DummyJob
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cron := New()
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cron.Start()
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defer cron.Stop()
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cron.AddJob("* * * * * ?", job)
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select {
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case <-time.After(OneSecond):
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return
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}
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}
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// Start and stop cron with no entries.
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func TestNoEntries(t *testing.T) {
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cron := New()
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cron.Start()
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select {
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case <-time.After(OneSecond):
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t.Fatal("expected cron will be stopped immediately")
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case <-stop(cron):
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}
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}
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// Start, stop, then add an entry. Verify entry doesn't run.
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func TestStopCausesJobsToNotRun(t *testing.T) {
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wg := &sync.WaitGroup{}
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wg.Add(1)
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cron := New()
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cron.Start()
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cron.Stop()
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cron.AddFunc("* * * * * ?", func() { wg.Done() })
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select {
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case <-time.After(OneSecond):
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// No job ran!
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case <-wait(wg):
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t.Fatal("expected stopped cron does not run any job")
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}
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}
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// Add a job, start cron, expect it runs.
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func TestAddBeforeRunning(t *testing.T) {
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wg := &sync.WaitGroup{}
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wg.Add(1)
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cron := New()
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cron.AddFunc("* * * * * ?", func() { wg.Done() })
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cron.Start()
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defer cron.Stop()
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// Give cron 2 seconds to run our job (which is always activated).
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select {
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case <-time.After(OneSecond):
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t.Fatal("expected job runs")
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case <-wait(wg):
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}
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}
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// Start cron, add a job, expect it runs.
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func TestAddWhileRunning(t *testing.T) {
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wg := &sync.WaitGroup{}
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wg.Add(1)
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cron := New()
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cron.Start()
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defer cron.Stop()
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cron.AddFunc("* * * * * ?", func() { wg.Done() })
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select {
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case <-time.After(OneSecond):
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t.Fatal("expected job runs")
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case <-wait(wg):
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}
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}
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// Test for #34. Adding a job after calling start results in multiple job invocations
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func TestAddWhileRunningWithDelay(t *testing.T) {
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cron := New()
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cron.Start()
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defer cron.Stop()
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time.Sleep(5 * time.Second)
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var calls = 0
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cron.AddFunc("* * * * * *", func() { calls += 1 })
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<-time.After(OneSecond)
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if calls != 1 {
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t.Errorf("called %d times, expected 1\n", calls)
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}
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}
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// Test timing with Entries.
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func TestSnapshotEntries(t *testing.T) {
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wg := &sync.WaitGroup{}
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wg.Add(1)
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cron := New()
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cron.AddFunc("@every 2s", func() { wg.Done() })
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cron.Start()
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defer cron.Stop()
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// Cron should fire in 2 seconds. After 1 second, call Entries.
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select {
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case <-time.After(OneSecond):
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cron.Entries()
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}
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// Even though Entries was called, the cron should fire at the 2 second mark.
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select {
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case <-time.After(OneSecond):
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t.Error("expected job runs at 2 second mark")
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case <-wait(wg):
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}
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}
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// Test that the entries are correctly sorted.
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// Add a bunch of long-in-the-future entries, and an immediate entry, and ensure
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// that the immediate entry runs immediately.
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// Also: Test that multiple jobs run in the same instant.
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func TestMultipleEntries(t *testing.T) {
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wg := &sync.WaitGroup{}
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wg.Add(2)
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cron := New()
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cron.AddFunc("0 0 0 1 1 ?", func() {})
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cron.AddFunc("* * * * * ?", func() { wg.Done() })
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cron.AddFunc("0 0 0 31 12 ?", func() {})
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cron.AddFunc("* * * * * ?", func() { wg.Done() })
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cron.Start()
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defer cron.Stop()
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select {
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case <-time.After(OneSecond):
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t.Error("expected job run in proper order")
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case <-wait(wg):
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}
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}
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// Test running the same job twice.
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func TestRunningJobTwice(t *testing.T) {
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wg := &sync.WaitGroup{}
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wg.Add(2)
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cron := New()
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cron.AddFunc("0 0 0 1 1 ?", func() {})
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cron.AddFunc("0 0 0 31 12 ?", func() {})
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cron.AddFunc("* * * * * ?", func() { wg.Done() })
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cron.Start()
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defer cron.Stop()
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select {
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case <-time.After(2 * OneSecond):
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t.Error("expected job fires 2 times")
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case <-wait(wg):
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}
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}
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func TestRunningMultipleSchedules(t *testing.T) {
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wg := &sync.WaitGroup{}
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wg.Add(2)
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cron := New()
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cron.AddFunc("0 0 0 1 1 ?", func() {})
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cron.AddFunc("0 0 0 31 12 ?", func() {})
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cron.AddFunc("* * * * * ?", func() { wg.Done() })
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cron.Schedule(Every(time.Minute), FuncJob(func() {}))
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cron.Schedule(Every(time.Second), FuncJob(func() { wg.Done() }))
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cron.Schedule(Every(time.Hour), FuncJob(func() {}))
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cron.Start()
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defer cron.Stop()
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select {
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case <-time.After(2 * OneSecond):
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t.Error("expected job fires 2 times")
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case <-wait(wg):
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}
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}
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// Test that the cron is run in the local time zone (as opposed to UTC).
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func TestLocalTimezone(t *testing.T) {
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wg := &sync.WaitGroup{}
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wg.Add(2)
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now := time.Now()
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spec := fmt.Sprintf("%d,%d %d %d %d %d ?",
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now.Second()+1, now.Second()+2, now.Minute(), now.Hour(), now.Day(), now.Month())
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cron := New()
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cron.AddFunc(spec, func() { wg.Done() })
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cron.Start()
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defer cron.Stop()
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select {
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case <-time.After(OneSecond * 2):
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t.Error("expected job fires 2 times")
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case <-wait(wg):
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}
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}
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// Test that the cron is run in the given time zone (as opposed to local).
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func TestNonLocalTimezone(t *testing.T) {
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wg := &sync.WaitGroup{}
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wg.Add(2)
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loc, err := time.LoadLocation("Atlantic/Cape_Verde")
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if err != nil {
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fmt.Printf("Failed to load time zone Atlantic/Cape_Verde: %+v", err)
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t.Fail()
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}
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now := time.Now().In(loc)
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spec := fmt.Sprintf("%d,%d %d %d %d %d ?",
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now.Second()+1, now.Second()+2, now.Minute(), now.Hour(), now.Day(), now.Month())
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cron := NewWithLocation(loc)
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cron.AddFunc(spec, func() { wg.Done() })
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cron.Start()
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defer cron.Stop()
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select {
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case <-time.After(OneSecond * 2):
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t.Error("expected job fires 2 times")
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case <-wait(wg):
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}
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}
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// Test that calling stop before start silently returns without
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// blocking the stop channel.
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func TestStopWithoutStart(t *testing.T) {
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cron := New()
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cron.Stop()
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}
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type testJob struct {
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wg *sync.WaitGroup
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name string
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}
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func (t testJob) Run() {
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t.wg.Done()
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}
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// Test that adding an invalid job spec returns an error
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func TestInvalidJobSpec(t *testing.T) {
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cron := New()
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err := cron.AddJob("this will not parse", nil)
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if err == nil {
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t.Errorf("expected an error with invalid spec, got nil")
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}
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}
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// Test blocking run method behaves as Start()
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func TestBlockingRun(t *testing.T) {
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wg := &sync.WaitGroup{}
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wg.Add(1)
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cron := New()
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cron.AddFunc("* * * * * ?", func() { wg.Done() })
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var unblockChan = make(chan struct{})
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go func() {
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cron.Run()
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close(unblockChan)
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}()
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defer cron.Stop()
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select {
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case <-time.After(OneSecond):
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t.Error("expected job fires")
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case <-unblockChan:
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t.Error("expected that Run() blocks")
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case <-wait(wg):
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}
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}
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// Test that double-running is a no-op
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func TestStartNoop(t *testing.T) {
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var tickChan = make(chan struct{}, 2)
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cron := New()
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cron.AddFunc("* * * * * ?", func() {
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tickChan <- struct{}{}
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})
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cron.Start()
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defer cron.Stop()
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// Wait for the first firing to ensure the runner is going
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<-tickChan
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cron.Start()
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<-tickChan
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// Fail if this job fires again in a short period, indicating a double-run
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select {
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case <-time.After(time.Millisecond):
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case <-tickChan:
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t.Error("expected job fires exactly twice")
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}
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}
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// Simple test using Runnables.
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func TestJob(t *testing.T) {
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wg := &sync.WaitGroup{}
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wg.Add(1)
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cron := New()
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cron.AddJob("0 0 0 30 Feb ?", testJob{wg, "job0"})
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cron.AddJob("0 0 0 1 1 ?", testJob{wg, "job1"})
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cron.AddJob("* * * * * ?", testJob{wg, "job2"})
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cron.AddJob("1 0 0 1 1 ?", testJob{wg, "job3"})
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cron.Schedule(Every(5*time.Second+5*time.Nanosecond), testJob{wg, "job4"})
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cron.Schedule(Every(5*time.Minute), testJob{wg, "job5"})
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cron.Start()
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defer cron.Stop()
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select {
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case <-time.After(OneSecond):
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t.FailNow()
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case <-wait(wg):
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}
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// Ensure the entries are in the right order.
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expecteds := []string{"job2", "job4", "job5", "job1", "job3", "job0"}
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var actuals []string
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for _, entry := range cron.Entries() {
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actuals = append(actuals, entry.Job.(testJob).name)
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}
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for i, expected := range expecteds {
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if actuals[i] != expected {
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t.Fatalf("Jobs not in the right order. (expected) %s != %s (actual)", expecteds, actuals)
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}
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}
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}
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type ZeroSchedule struct{}
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func (*ZeroSchedule) Next(time.Time) time.Time {
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return time.Time{}
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}
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// Tests that job without time does not run
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func TestJobWithZeroTimeDoesNotRun(t *testing.T) {
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cron := New()
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calls := 0
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cron.AddFunc("* * * * * *", func() { calls += 1 })
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cron.Schedule(new(ZeroSchedule), FuncJob(func() { t.Error("expected zero task will not run") }))
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cron.Start()
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defer cron.Stop()
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<-time.After(OneSecond)
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if calls != 1 {
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t.Errorf("called %d times, expected 1\n", calls)
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}
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}
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func wait(wg *sync.WaitGroup) chan bool {
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ch := make(chan bool)
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go func() {
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wg.Wait()
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ch <- true
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}()
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return ch
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}
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func stop(cron *Cron) chan bool {
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ch := make(chan bool)
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go func() {
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cron.Stop()
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ch <- true
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}()
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return ch
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}
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