mirror of
https://github.com/minio/minio.git
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Migrate this project to minio micro services code
This commit is contained in:
Harshavardhana
536
vendor/github.com/facebookgo/clock/clock_test.go
generated
vendored
536
vendor/github.com/facebookgo/clock/clock_test.go
generated
vendored
@@ -1,536 +0,0 @@
|
||||
package clock_test
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
"runtime"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/facebookgo/clock"
|
||||
)
|
||||
|
||||
// Ensure that the clock's After channel sends at the correct time.
|
||||
func TestClock_After(t *testing.T) {
|
||||
var ok bool
|
||||
go func() {
|
||||
time.Sleep(10 * time.Millisecond)
|
||||
ok = true
|
||||
}()
|
||||
go func() {
|
||||
time.Sleep(30 * time.Millisecond)
|
||||
t.Fatal("too late")
|
||||
}()
|
||||
gosched()
|
||||
|
||||
<-clock.New().After(20 * time.Millisecond)
|
||||
if !ok {
|
||||
t.Fatal("too early")
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that the clock's AfterFunc executes at the correct time.
|
||||
func TestClock_AfterFunc(t *testing.T) {
|
||||
var ok bool
|
||||
go func() {
|
||||
time.Sleep(10 * time.Millisecond)
|
||||
ok = true
|
||||
}()
|
||||
go func() {
|
||||
time.Sleep(30 * time.Millisecond)
|
||||
t.Fatal("too late")
|
||||
}()
|
||||
gosched()
|
||||
|
||||
var wg sync.WaitGroup
|
||||
wg.Add(1)
|
||||
clock.New().AfterFunc(20*time.Millisecond, func() {
|
||||
wg.Done()
|
||||
})
|
||||
wg.Wait()
|
||||
if !ok {
|
||||
t.Fatal("too early")
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that the clock's time matches the standary library.
|
||||
func TestClock_Now(t *testing.T) {
|
||||
a := time.Now().Round(time.Second)
|
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b := clock.New().Now().Round(time.Second)
|
||||
if !a.Equal(b) {
|
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t.Errorf("not equal: %s != %s", a, b)
|
||||
}
|
||||
}
|
||||
|
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// Ensure that the clock sleeps for the appropriate amount of time.
|
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func TestClock_Sleep(t *testing.T) {
|
||||
var ok bool
|
||||
go func() {
|
||||
time.Sleep(10 * time.Millisecond)
|
||||
ok = true
|
||||
}()
|
||||
go func() {
|
||||
time.Sleep(30 * time.Millisecond)
|
||||
t.Fatal("too late")
|
||||
}()
|
||||
gosched()
|
||||
|
||||
clock.New().Sleep(20 * time.Millisecond)
|
||||
if !ok {
|
||||
t.Fatal("too early")
|
||||
}
|
||||
}
|
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|
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// Ensure that the clock ticks correctly.
|
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func TestClock_Tick(t *testing.T) {
|
||||
var ok bool
|
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go func() {
|
||||
time.Sleep(10 * time.Millisecond)
|
||||
ok = true
|
||||
}()
|
||||
go func() {
|
||||
time.Sleep(50 * time.Millisecond)
|
||||
t.Fatal("too late")
|
||||
}()
|
||||
gosched()
|
||||
|
||||
c := clock.New().Tick(20 * time.Millisecond)
|
||||
<-c
|
||||
<-c
|
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if !ok {
|
||||
t.Fatal("too early")
|
||||
}
|
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}
|
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|
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// Ensure that the clock's ticker ticks correctly.
|
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func TestClock_Ticker(t *testing.T) {
|
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var ok bool
|
||||
go func() {
|
||||
time.Sleep(100 * time.Millisecond)
|
||||
ok = true
|
||||
}()
|
||||
go func() {
|
||||
time.Sleep(200 * time.Millisecond)
|
||||
t.Fatal("too late")
|
||||
}()
|
||||
gosched()
|
||||
|
||||
ticker := clock.New().Ticker(50 * time.Millisecond)
|
||||
<-ticker.C
|
||||
<-ticker.C
|
||||
if !ok {
|
||||
t.Fatal("too early")
|
||||
}
|
||||
}
|
||||
|
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// Ensure that the clock's ticker can stop correctly.
|
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func TestClock_Ticker_Stp(t *testing.T) {
|
||||
var ok bool
|
||||
go func() {
|
||||
time.Sleep(10 * time.Millisecond)
|
||||
ok = true
|
||||
}()
|
||||
gosched()
|
||||
|
||||
ticker := clock.New().Ticker(20 * time.Millisecond)
|
||||
<-ticker.C
|
||||
ticker.Stop()
|
||||
select {
|
||||
case <-ticker.C:
|
||||
t.Fatal("unexpected send")
|
||||
case <-time.After(30 * time.Millisecond):
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that the clock's timer waits correctly.
|
||||
func TestClock_Timer(t *testing.T) {
|
||||
var ok bool
|
||||
go func() {
|
||||
time.Sleep(10 * time.Millisecond)
|
||||
ok = true
|
||||
}()
|
||||
go func() {
|
||||
time.Sleep(30 * time.Millisecond)
|
||||
t.Fatal("too late")
|
||||
}()
|
||||
gosched()
|
||||
|
||||
timer := clock.New().Timer(20 * time.Millisecond)
|
||||
<-timer.C
|
||||
if !ok {
|
||||
t.Fatal("too early")
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that the clock's timer can be stopped.
|
||||
func TestClock_Timer_Stop(t *testing.T) {
|
||||
var ok bool
|
||||
go func() {
|
||||
time.Sleep(10 * time.Millisecond)
|
||||
ok = true
|
||||
}()
|
||||
|
||||
timer := clock.New().Timer(20 * time.Millisecond)
|
||||
timer.Stop()
|
||||
select {
|
||||
case <-timer.C:
|
||||
t.Fatal("unexpected send")
|
||||
case <-time.After(30 * time.Millisecond):
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that the mock's After channel sends at the correct time.
|
||||
func TestMock_After(t *testing.T) {
|
||||
var ok int32
|
||||
clock := clock.NewMock()
|
||||
|
||||
// Create a channel to execute after 10 mock seconds.
|
||||
ch := clock.After(10 * time.Second)
|
||||
go func(ch <-chan time.Time) {
|
||||
<-ch
|
||||
atomic.StoreInt32(&ok, 1)
|
||||
}(ch)
|
||||
|
||||
// Move clock forward to just before the time.
|
||||
clock.Add(9 * time.Second)
|
||||
if atomic.LoadInt32(&ok) == 1 {
|
||||
t.Fatal("too early")
|
||||
}
|
||||
|
||||
// Move clock forward to the after channel's time.
|
||||
clock.Add(1 * time.Second)
|
||||
if atomic.LoadInt32(&ok) == 0 {
|
||||
t.Fatal("too late")
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that the mock's AfterFunc executes at the correct time.
|
||||
func TestMock_AfterFunc(t *testing.T) {
|
||||
var ok int32
|
||||
clock := clock.NewMock()
|
||||
|
||||
// Execute function after duration.
|
||||
clock.AfterFunc(10*time.Second, func() {
|
||||
atomic.StoreInt32(&ok, 1)
|
||||
})
|
||||
|
||||
// Move clock forward to just before the time.
|
||||
clock.Add(9 * time.Second)
|
||||
if atomic.LoadInt32(&ok) == 1 {
|
||||
t.Fatal("too early")
|
||||
}
|
||||
|
||||
// Move clock forward to the after channel's time.
|
||||
clock.Add(1 * time.Second)
|
||||
if atomic.LoadInt32(&ok) == 0 {
|
||||
t.Fatal("too late")
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that the mock's AfterFunc doesn't execute if stopped.
|
||||
func TestMock_AfterFunc_Stop(t *testing.T) {
|
||||
// Execute function after duration.
|
||||
clock := clock.NewMock()
|
||||
timer := clock.AfterFunc(10*time.Second, func() {
|
||||
t.Fatal("unexpected function execution")
|
||||
})
|
||||
gosched()
|
||||
|
||||
// Stop timer & move clock forward.
|
||||
timer.Stop()
|
||||
clock.Add(10 * time.Second)
|
||||
gosched()
|
||||
}
|
||||
|
||||
// Ensure that the mock's current time can be changed.
|
||||
func TestMock_Now(t *testing.T) {
|
||||
clock := clock.NewMock()
|
||||
if now := clock.Now(); !now.Equal(time.Unix(0, 0)) {
|
||||
t.Fatalf("expected epoch, got: ", now)
|
||||
}
|
||||
|
||||
// Add 10 seconds and check the time.
|
||||
clock.Add(10 * time.Second)
|
||||
if now := clock.Now(); !now.Equal(time.Unix(10, 0)) {
|
||||
t.Fatalf("expected epoch, got: ", now)
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that the mock can sleep for the correct time.
|
||||
func TestMock_Sleep(t *testing.T) {
|
||||
var ok int32
|
||||
clock := clock.NewMock()
|
||||
|
||||
// Create a channel to execute after 10 mock seconds.
|
||||
go func() {
|
||||
clock.Sleep(10 * time.Second)
|
||||
atomic.StoreInt32(&ok, 1)
|
||||
}()
|
||||
gosched()
|
||||
|
||||
// Move clock forward to just before the sleep duration.
|
||||
clock.Add(9 * time.Second)
|
||||
if atomic.LoadInt32(&ok) == 1 {
|
||||
t.Fatal("too early")
|
||||
}
|
||||
|
||||
// Move clock forward to the after the sleep duration.
|
||||
clock.Add(1 * time.Second)
|
||||
if atomic.LoadInt32(&ok) == 0 {
|
||||
t.Fatal("too late")
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that the mock's Tick channel sends at the correct time.
|
||||
func TestMock_Tick(t *testing.T) {
|
||||
var n int32
|
||||
clock := clock.NewMock()
|
||||
|
||||
// Create a channel to increment every 10 seconds.
|
||||
go func() {
|
||||
tick := clock.Tick(10 * time.Second)
|
||||
for {
|
||||
<-tick
|
||||
atomic.AddInt32(&n, 1)
|
||||
}
|
||||
}()
|
||||
gosched()
|
||||
|
||||
// Move clock forward to just before the first tick.
|
||||
clock.Add(9 * time.Second)
|
||||
if atomic.LoadInt32(&n) != 0 {
|
||||
t.Fatalf("expected 0, got %d", n)
|
||||
}
|
||||
|
||||
// Move clock forward to the start of the first tick.
|
||||
clock.Add(1 * time.Second)
|
||||
if atomic.LoadInt32(&n) != 1 {
|
||||
t.Fatalf("expected 1, got %d", n)
|
||||
}
|
||||
|
||||
// Move clock forward over several ticks.
|
||||
clock.Add(30 * time.Second)
|
||||
if atomic.LoadInt32(&n) != 4 {
|
||||
t.Fatalf("expected 4, got %d", n)
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that the mock's Ticker channel sends at the correct time.
|
||||
func TestMock_Ticker(t *testing.T) {
|
||||
var n int32
|
||||
clock := clock.NewMock()
|
||||
|
||||
// Create a channel to increment every microsecond.
|
||||
go func() {
|
||||
ticker := clock.Ticker(1 * time.Microsecond)
|
||||
for {
|
||||
<-ticker.C
|
||||
atomic.AddInt32(&n, 1)
|
||||
}
|
||||
}()
|
||||
gosched()
|
||||
|
||||
// Move clock forward.
|
||||
clock.Add(10 * time.Microsecond)
|
||||
if atomic.LoadInt32(&n) != 10 {
|
||||
t.Fatalf("unexpected: %d", n)
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that the mock's Ticker channel won't block if not read from.
|
||||
func TestMock_Ticker_Overflow(t *testing.T) {
|
||||
clock := clock.NewMock()
|
||||
ticker := clock.Ticker(1 * time.Microsecond)
|
||||
clock.Add(10 * time.Microsecond)
|
||||
ticker.Stop()
|
||||
}
|
||||
|
||||
// Ensure that the mock's Ticker can be stopped.
|
||||
func TestMock_Ticker_Stop(t *testing.T) {
|
||||
var n int32
|
||||
clock := clock.NewMock()
|
||||
|
||||
// Create a channel to increment every second.
|
||||
ticker := clock.Ticker(1 * time.Second)
|
||||
go func() {
|
||||
for {
|
||||
<-ticker.C
|
||||
atomic.AddInt32(&n, 1)
|
||||
}
|
||||
}()
|
||||
gosched()
|
||||
|
||||
// Move clock forward.
|
||||
clock.Add(5 * time.Second)
|
||||
if atomic.LoadInt32(&n) != 5 {
|
||||
t.Fatalf("expected 5, got: %d", n)
|
||||
}
|
||||
|
||||
ticker.Stop()
|
||||
|
||||
// Move clock forward again.
|
||||
clock.Add(5 * time.Second)
|
||||
if atomic.LoadInt32(&n) != 5 {
|
||||
t.Fatalf("still expected 5, got: %d", n)
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that multiple tickers can be used together.
|
||||
func TestMock_Ticker_Multi(t *testing.T) {
|
||||
var n int32
|
||||
clock := clock.NewMock()
|
||||
|
||||
go func() {
|
||||
a := clock.Ticker(1 * time.Microsecond)
|
||||
b := clock.Ticker(3 * time.Microsecond)
|
||||
|
||||
for {
|
||||
select {
|
||||
case <-a.C:
|
||||
atomic.AddInt32(&n, 1)
|
||||
case <-b.C:
|
||||
atomic.AddInt32(&n, 100)
|
||||
}
|
||||
}
|
||||
}()
|
||||
gosched()
|
||||
|
||||
// Move clock forward.
|
||||
clock.Add(10 * time.Microsecond)
|
||||
gosched()
|
||||
if atomic.LoadInt32(&n) != 310 {
|
||||
t.Fatalf("unexpected: %d", n)
|
||||
}
|
||||
}
|
||||
|
||||
func ExampleMock_After() {
|
||||
// Create a new mock clock.
|
||||
clock := clock.NewMock()
|
||||
count := 0
|
||||
|
||||
// Create a channel to execute after 10 mock seconds.
|
||||
go func() {
|
||||
<-clock.After(10 * time.Second)
|
||||
count = 100
|
||||
}()
|
||||
runtime.Gosched()
|
||||
|
||||
// Print the starting value.
|
||||
fmt.Printf("%s: %d\n", clock.Now().UTC(), count)
|
||||
|
||||
// Move the clock forward 5 seconds and print the value again.
|
||||
clock.Add(5 * time.Second)
|
||||
fmt.Printf("%s: %d\n", clock.Now().UTC(), count)
|
||||
|
||||
// Move the clock forward 5 seconds to the tick time and check the value.
|
||||
clock.Add(5 * time.Second)
|
||||
fmt.Printf("%s: %d\n", clock.Now().UTC(), count)
|
||||
|
||||
// Output:
|
||||
// 1970-01-01 00:00:00 +0000 UTC: 0
|
||||
// 1970-01-01 00:00:05 +0000 UTC: 0
|
||||
// 1970-01-01 00:00:10 +0000 UTC: 100
|
||||
}
|
||||
|
||||
func ExampleMock_AfterFunc() {
|
||||
// Create a new mock clock.
|
||||
clock := clock.NewMock()
|
||||
count := 0
|
||||
|
||||
// Execute a function after 10 mock seconds.
|
||||
clock.AfterFunc(10*time.Second, func() {
|
||||
count = 100
|
||||
})
|
||||
runtime.Gosched()
|
||||
|
||||
// Print the starting value.
|
||||
fmt.Printf("%s: %d\n", clock.Now().UTC(), count)
|
||||
|
||||
// Move the clock forward 10 seconds and print the new value.
|
||||
clock.Add(10 * time.Second)
|
||||
fmt.Printf("%s: %d\n", clock.Now().UTC(), count)
|
||||
|
||||
// Output:
|
||||
// 1970-01-01 00:00:00 +0000 UTC: 0
|
||||
// 1970-01-01 00:00:10 +0000 UTC: 100
|
||||
}
|
||||
|
||||
func ExampleMock_Sleep() {
|
||||
// Create a new mock clock.
|
||||
clock := clock.NewMock()
|
||||
count := 0
|
||||
|
||||
// Execute a function after 10 mock seconds.
|
||||
go func() {
|
||||
clock.Sleep(10 * time.Second)
|
||||
count = 100
|
||||
}()
|
||||
runtime.Gosched()
|
||||
|
||||
// Print the starting value.
|
||||
fmt.Printf("%s: %d\n", clock.Now().UTC(), count)
|
||||
|
||||
// Move the clock forward 10 seconds and print the new value.
|
||||
clock.Add(10 * time.Second)
|
||||
fmt.Printf("%s: %d\n", clock.Now().UTC(), count)
|
||||
|
||||
// Output:
|
||||
// 1970-01-01 00:00:00 +0000 UTC: 0
|
||||
// 1970-01-01 00:00:10 +0000 UTC: 100
|
||||
}
|
||||
|
||||
func ExampleMock_Ticker() {
|
||||
// Create a new mock clock.
|
||||
clock := clock.NewMock()
|
||||
count := 0
|
||||
|
||||
// Increment count every mock second.
|
||||
go func() {
|
||||
ticker := clock.Ticker(1 * time.Second)
|
||||
for {
|
||||
<-ticker.C
|
||||
count++
|
||||
}
|
||||
}()
|
||||
runtime.Gosched()
|
||||
|
||||
// Move the clock forward 10 seconds and print the new value.
|
||||
clock.Add(10 * time.Second)
|
||||
fmt.Printf("Count is %d after 10 seconds\n", count)
|
||||
|
||||
// Move the clock forward 5 more seconds and print the new value.
|
||||
clock.Add(5 * time.Second)
|
||||
fmt.Printf("Count is %d after 15 seconds\n", count)
|
||||
|
||||
// Output:
|
||||
// Count is 10 after 10 seconds
|
||||
// Count is 15 after 15 seconds
|
||||
}
|
||||
|
||||
func ExampleMock_Timer() {
|
||||
// Create a new mock clock.
|
||||
clock := clock.NewMock()
|
||||
count := 0
|
||||
|
||||
// Increment count after a mock second.
|
||||
go func() {
|
||||
timer := clock.Timer(1 * time.Second)
|
||||
<-timer.C
|
||||
count++
|
||||
}()
|
||||
runtime.Gosched()
|
||||
|
||||
// Move the clock forward 10 seconds and print the new value.
|
||||
clock.Add(10 * time.Second)
|
||||
fmt.Printf("Count is %d after 10 seconds\n", count)
|
||||
|
||||
// Output:
|
||||
// Count is 1 after 10 seconds
|
||||
}
|
||||
|
||||
func warn(v ...interface{}) { fmt.Fprintln(os.Stderr, v...) }
|
||||
func warnf(msg string, v ...interface{}) { fmt.Fprintf(os.Stderr, msg+"\n", v...) }
|
||||
|
||||
func gosched() { time.Sleep(1 * time.Millisecond) }
|
||||
Reference in New Issue
Block a user