package burst_test import ( "github.com/v2fly/v2ray-core/v4/app/observatory/burst" "math" reflect "reflect" "testing" "time" ) func TestHealthPingResults(t *testing.T) { rtts := []int64{60, 140, 60, 140, 60, 60, 140, 60, 140} hr := burst.NewHealthPingResult(4, time.Hour) for _, rtt := range rtts { hr.Put(time.Duration(rtt)) } rttFailed := time.Duration(math.MaxInt64) expected := &burst.HealthPingStats{ All: 4, Fail: 0, Deviation: 40, Average: 100, Max: 140, Min: 60, } actual := hr.Get() if !reflect.DeepEqual(expected, actual) { t.Errorf("expected: %v, actual: %v", expected, actual) } hr.Put(rttFailed) hr.Put(rttFailed) expected.Fail = 2 actual = hr.Get() if !reflect.DeepEqual(expected, actual) { t.Errorf("failed half-failures test, expected: %v, actual: %v", expected, actual) } hr.Put(rttFailed) hr.Put(rttFailed) expected = &burst.HealthPingStats{ All: 4, Fail: 4, Deviation: 0, Average: 0, Max: 0, Min: 0, } actual = hr.Get() if !reflect.DeepEqual(expected, actual) { t.Errorf("failed all-failures test, expected: %v, actual: %v", expected, actual) } } func TestHealthPingResultsIgnoreOutdated(t *testing.T) { rtts := []int64{60, 140, 60, 140} hr := burst.NewHealthPingResult(4, time.Duration(10)*time.Millisecond) for i, rtt := range rtts { if i == 2 { // wait for previous 2 outdated time.Sleep(time.Duration(10) * time.Millisecond) } hr.Put(time.Duration(rtt)) } hr.Get() expected := &burst.HealthPingStats{ All: 2, Fail: 0, Deviation: 40, Average: 100, Max: 140, Min: 60, } actual := hr.Get() if !reflect.DeepEqual(expected, actual) { t.Errorf("failed 'half-outdated' test, expected: %v, actual: %v", expected, actual) } // wait for all outdated time.Sleep(time.Duration(10) * time.Millisecond) expected = &burst.HealthPingStats{ All: 0, Fail: 0, Deviation: 0, Average: 0, Max: 0, Min: 0, } actual = hr.Get() if !reflect.DeepEqual(expected, actual) { t.Errorf("failed 'outdated / not-tested' test, expected: %v, actual: %v", expected, actual) } hr.Put(time.Duration(60)) expected = &burst.HealthPingStats{ All: 1, Fail: 0, // 1 sample, std=0.5rtt Deviation: 30, Average: 60, Max: 60, Min: 60, } actual = hr.Get() if !reflect.DeepEqual(expected, actual) { t.Errorf("expected: %v, actual: %v", expected, actual) } }