mirror of https://github.com/v2fly/v2ray-core.git
97 lines
1.9 KiB
Go
97 lines
1.9 KiB
Go
package retry_test
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import (
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"testing"
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"time"
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"github.com/v2fly/v2ray-core/v4/common"
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"github.com/v2fly/v2ray-core/v4/common/errors"
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. "github.com/v2fly/v2ray-core/v4/common/retry"
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)
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var errorTestOnly = errors.New("this is a fake error")
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func TestNoRetry(t *testing.T) {
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startTime := time.Now().Unix()
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err := Timed(10, 100000).On(func() error {
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return nil
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})
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endTime := time.Now().Unix()
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common.Must(err)
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if endTime < startTime {
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t.Error("endTime < startTime: ", startTime, " -> ", endTime)
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}
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}
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func TestRetryOnce(t *testing.T) {
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startTime := time.Now()
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called := 0
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err := Timed(10, 1000).On(func() error {
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if called == 0 {
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called++
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return errorTestOnly
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}
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return nil
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})
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duration := time.Since(startTime)
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common.Must(err)
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if v := int64(duration / time.Millisecond); v < 900 {
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t.Error("duration: ", v)
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}
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}
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func TestRetryMultiple(t *testing.T) {
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startTime := time.Now()
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called := 0
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err := Timed(10, 1000).On(func() error {
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if called < 5 {
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called++
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return errorTestOnly
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}
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return nil
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})
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duration := time.Since(startTime)
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common.Must(err)
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if v := int64(duration / time.Millisecond); v < 4900 {
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t.Error("duration: ", v)
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}
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}
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func TestRetryExhausted(t *testing.T) {
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startTime := time.Now()
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called := 0
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err := Timed(2, 1000).On(func() error {
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called++
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return errorTestOnly
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})
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duration := time.Since(startTime)
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if errors.Cause(err) != ErrRetryFailed {
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t.Error("cause: ", err)
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}
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if v := int64(duration / time.Millisecond); v < 1900 {
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t.Error("duration: ", v)
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}
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}
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func TestExponentialBackoff(t *testing.T) {
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startTime := time.Now()
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called := 0
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err := ExponentialBackoff(10, 100).On(func() error {
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called++
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return errorTestOnly
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})
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duration := time.Since(startTime)
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if errors.Cause(err) != ErrRetryFailed {
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t.Error("cause: ", err)
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}
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if v := int64(duration / time.Millisecond); v < 4000 {
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t.Error("duration: ", v)
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}
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}
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