Move code to pkg
This commit is contained in:
Ludovic Fernandez
Traefiker Bot
parent
bd4c822670
commit
f1b085fa36
465 changed files with 656 additions and 680 deletions
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@ -1,211 +0,0 @@
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package safe
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import (
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"context"
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"fmt"
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"sync"
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"testing"
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"time"
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"github.com/cenkalti/backoff"
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)
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func TestNewPoolContext(t *testing.T) {
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type testKeyType string
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testKey := testKeyType("test")
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ctx := context.WithValue(context.Background(), testKey, "test")
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p := NewPool(ctx)
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retCtx := p.Ctx()
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retCtxVal, ok := retCtx.Value(testKey).(string)
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if !ok || retCtxVal != "test" {
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t.Errorf("Pool.Ctx() did not return a derived context, got %#v, expected context with test value", retCtx)
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}
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}
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type fakeRoutine struct {
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sync.Mutex
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started bool
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startSig chan bool
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}
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func newFakeRoutine() *fakeRoutine {
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return &fakeRoutine{
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startSig: make(chan bool),
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}
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}
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func (tr *fakeRoutine) routineCtx(ctx context.Context) {
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tr.Lock()
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tr.started = true
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tr.Unlock()
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tr.startSig <- true
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<-ctx.Done()
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}
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func (tr *fakeRoutine) routine(stop chan bool) {
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tr.Lock()
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tr.started = true
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tr.Unlock()
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tr.startSig <- true
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<-stop
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}
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func TestPoolWithCtx(t *testing.T) {
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testRoutine := newFakeRoutine()
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testCases := []struct {
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desc string
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fn func(*Pool)
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}{
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{
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desc: "GoCtx()",
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fn: func(p *Pool) {
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p.GoCtx(testRoutine.routineCtx)
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},
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},
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{
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desc: "AddGoCtx()",
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fn: func(p *Pool) {
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p.AddGoCtx(testRoutine.routineCtx)
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p.Start()
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},
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},
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}
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for _, test := range testCases {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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// These subtests cannot be run in parallel, since the testRoutine
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// is shared across the subtests.
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p := NewPool(context.Background())
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timer := time.NewTimer(500 * time.Millisecond)
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defer timer.Stop()
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test.fn(p)
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defer p.Cleanup()
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if len(p.routinesCtx) != 1 {
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t.Fatalf("After %s, Pool did have %d goroutineCtxs, expected 1", test.desc, len(p.routinesCtx))
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}
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testDone := make(chan bool, 1)
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go func() {
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<-testRoutine.startSig
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p.Cleanup()
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testDone <- true
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}()
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select {
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case <-timer.C:
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testRoutine.Lock()
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defer testRoutine.Unlock()
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t.Fatalf("Pool test did not complete in time, goroutine started equals '%t'", testRoutine.started)
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case <-testDone:
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return
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}
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})
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}
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}
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func TestPoolWithStopChan(t *testing.T) {
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testRoutine := newFakeRoutine()
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p := NewPool(context.Background())
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timer := time.NewTimer(500 * time.Millisecond)
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defer timer.Stop()
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p.Go(testRoutine.routine)
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if len(p.routines) != 1 {
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t.Fatalf("After Pool.Go(func), Pool did have %d goroutines, expected 1", len(p.routines))
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}
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testDone := make(chan bool, 1)
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go func() {
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<-testRoutine.startSig
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p.Cleanup()
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testDone <- true
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}()
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select {
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case <-timer.C:
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testRoutine.Lock()
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defer testRoutine.Unlock()
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t.Fatalf("Pool test did not complete in time, goroutine started equals '%t'", testRoutine.started)
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case <-testDone:
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return
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}
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}
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func TestPoolStartWithStopChan(t *testing.T) {
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testRoutine := newFakeRoutine()
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p := NewPool(context.Background())
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timer := time.NewTimer(500 * time.Millisecond)
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defer timer.Stop()
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// Insert the stopped test goroutine via private fields into the Pool.
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// There currently is no way to insert a routine via exported funcs that is not started immediately.
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p.lock.Lock()
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newRoutine := routine{
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goroutine: testRoutine.routine,
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}
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p.routines = append(p.routines, newRoutine)
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p.lock.Unlock()
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p.Start()
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testDone := make(chan bool, 1)
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go func() {
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<-testRoutine.startSig
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p.Cleanup()
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testDone <- true
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}()
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select {
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case <-timer.C:
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testRoutine.Lock()
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defer testRoutine.Unlock()
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t.Fatalf("Pool.Start() did not complete in time, goroutine started equals '%t'", testRoutine.started)
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case <-testDone:
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return
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}
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}
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func TestGoroutineRecover(t *testing.T) {
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// if recover fails the test will panic
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Go(func() {
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panic("BOOM")
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})
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}
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func TestOperationWithRecover(t *testing.T) {
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operation := func() error {
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return nil
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}
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err := backoff.Retry(OperationWithRecover(operation), &backoff.StopBackOff{})
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if err != nil {
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t.Fatalf("Error in OperationWithRecover: %s", err)
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}
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}
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func TestOperationWithRecoverPanic(t *testing.T) {
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operation := func() error {
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panic("BOOM")
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}
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err := backoff.Retry(OperationWithRecover(operation), &backoff.StopBackOff{})
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if err == nil {
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t.Fatalf("Error in OperationWithRecover: %s", err)
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}
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}
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func TestOperationWithRecoverError(t *testing.T) {
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operation := func() error {
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return fmt.Errorf("ERROR")
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}
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err := backoff.Retry(OperationWithRecover(operation), &backoff.StopBackOff{})
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if err == nil {
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t.Fatalf("Error in OperationWithRecover: %s", err)
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}
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}
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