kubernetes seat_seconds_test 源码
kubernetes seat_seconds_test 代码
文件路径：/staging/src/k8s.io/apiserver/pkg/util/flowcontrol/request/seat_seconds_test.go
/*
Copyright 2021 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 request
import (
"math"
"testing"
"time"
)
// TestSeatSecondsString exercises the SeatSeconds constructor and de-constructors (String, ToFloat).
func TestSeatSecondsString(t *testing.T) {
testCases := []struct {
ss SeatSeconds
expectFloat float64
expectStr string
}{
{ss: SeatSeconds(1), expectFloat: 1.0 / ssScale, expectStr: "0.00000001ss"},
{ss: SeatSeconds(ssScale - 1), expectFloat: (ssScale - 1) / ssScale, expectStr: "0.99999999ss"},
{ss: 0, expectFloat: 0, expectStr: "0.00000000ss"},
{ss: SeatsTimesDuration(1, time.Second), expectFloat: 1, expectStr: "1.00000000ss"},
{ss: SeatsTimesDuration(123, 100*time.Millisecond), expectFloat: 12.3, expectStr: "12.30000000ss"},
{ss: SeatsTimesDuration(1203, 10*time.Millisecond), expectFloat: 12.03, expectStr: "12.03000000ss"},
}
for _, testCase := range testCases {
actualStr := testCase.ss.String()
if actualStr != testCase.expectStr {
t.Errorf("SeatSeconds(%d).String() is %q but expected %q", uint64(testCase.ss), actualStr, testCase.expectStr)
}
actualFloat := testCase.ss.ToFloat()
if math.Round(actualFloat*ssScale) != math.Round(testCase.expectFloat*ssScale) {
t.Errorf("SeatSeconds(%d).ToFloat() is %v but expected %v", uint64(testCase.ss), actualFloat, testCase.expectFloat)
}
}
}
func TestSeatSecondsPerSeat(t *testing.T) {
testCases := []struct {
ss SeatSeconds
seats float64
expect time.Duration
}{
{ss: SeatsTimesDuration(10, time.Second), seats: 1, expect: 10 * time.Second},
{ss: SeatsTimesDuration(1, time.Second), seats: 10, expect: 100 * time.Millisecond},
{ss: SeatsTimesDuration(13, 5*time.Millisecond), seats: 5, expect: 13 * time.Millisecond},
{ss: SeatsTimesDuration(12, 0), seats: 10, expect: 0},
}
for _, testCase := range testCases {
actualDuration := testCase.ss.DurationPerSeat(testCase.seats)
if actualDuration != testCase.expect {
t.Errorf("DurationPerSeats returned %v rather than expected %q", actualDuration, testCase.expect)
}
}
}
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