54 lines
1.6 KiB
Go
54 lines
1.6 KiB
Go
/*
|
|
Copyright 2020 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package fairqueuing
|
|
|
|
import (
|
|
"math"
|
|
"testing"
|
|
"time"
|
|
|
|
testclock "k8s.io/utils/clock/testing"
|
|
)
|
|
|
|
func TestIntegrator(t *testing.T) {
|
|
now := time.Now()
|
|
clk := testclock.NewFakeClock(now)
|
|
igr := NewNamedIntegrator(clk, "testee")
|
|
igr.Add(3)
|
|
clk.Step(time.Second)
|
|
results := igr.GetResults()
|
|
rToo := igr.Reset()
|
|
if e := (IntegratorResults{Duration: time.Second.Seconds(), Average: 3, Deviation: 0, Min: 0, Max: 3}); !e.Equal(&results) {
|
|
t.Errorf("expected %#+v, got %#+v", e, results)
|
|
}
|
|
if !results.Equal(&rToo) {
|
|
t.Errorf("expected %#+v, got %#+v", results, rToo)
|
|
}
|
|
igr.Set(2)
|
|
results = igr.GetResults()
|
|
if e := (IntegratorResults{Duration: 0, Average: math.NaN(), Deviation: math.NaN(), Min: 2, Max: 3}); !e.Equal(&results) {
|
|
t.Errorf("expected %#+v, got %#+v", e, results)
|
|
}
|
|
clk.Step(time.Millisecond)
|
|
igr.Add(-1)
|
|
clk.Step(time.Millisecond)
|
|
results = igr.GetResults()
|
|
if e := (IntegratorResults{Duration: 2 * time.Millisecond.Seconds(), Average: 1.5, Deviation: 0.5, Min: 1, Max: 3}); !e.Equal(&results) {
|
|
t.Errorf("expected %#+v, got %#+v", e, results)
|
|
}
|
|
}
|