143 lines
4.1 KiB
Go
143 lines
4.1 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package eviction
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import (
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"testing"
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"time"
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"k8s.io/kubernetes/pkg/api/resource"
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)
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func TestParseThresholdConfig(t *testing.T) {
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gracePeriod, _ := time.ParseDuration("30s")
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testCases := map[string]struct {
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evictionHard string
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evictionSoft string
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evictionSoftGracePeriod string
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expectErr bool
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expectThresholds []Threshold
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}{
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"no values": {
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evictionHard: "",
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evictionSoft: "",
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evictionSoftGracePeriod: "",
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expectErr: false,
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expectThresholds: []Threshold{},
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},
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"all flag values": {
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evictionHard: "memory.available<150Mi",
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evictionSoft: "memory.available<300Mi",
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evictionSoftGracePeriod: "memory.available=30s",
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expectErr: false,
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expectThresholds: []Threshold{
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{
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Signal: SignalMemoryAvailable,
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Operator: OpLessThan,
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Value: resource.MustParse("150Mi"),
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},
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{
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Signal: SignalMemoryAvailable,
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Operator: OpLessThan,
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Value: resource.MustParse("300Mi"),
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GracePeriod: gracePeriod,
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},
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},
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},
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"invalid-signal": {
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evictionHard: "mem.available<150Mi",
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evictionSoft: "",
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evictionSoftGracePeriod: "",
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expectErr: true,
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expectThresholds: []Threshold{},
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},
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"duplicate-signal": {
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evictionHard: "memory.available<150Mi,memory.available<100Mi",
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evictionSoft: "",
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evictionSoftGracePeriod: "",
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expectErr: true,
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expectThresholds: []Threshold{},
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},
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"valid-and-invalid-signal": {
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evictionHard: "memory.available<150Mi,invalid.foo<150Mi",
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evictionSoft: "",
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evictionSoftGracePeriod: "",
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expectErr: true,
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expectThresholds: []Threshold{},
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},
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"soft-no-grace-period": {
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evictionHard: "",
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evictionSoft: "memory.available<150Mi",
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evictionSoftGracePeriod: "",
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expectErr: true,
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expectThresholds: []Threshold{},
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},
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"soft-neg-grace-period": {
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evictionHard: "",
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evictionSoft: "memory.available<150Mi",
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evictionSoftGracePeriod: "memory.available=-30s",
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expectErr: true,
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expectThresholds: []Threshold{},
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},
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}
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for testName, testCase := range testCases {
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thresholds, err := ParseThresholdConfig(testCase.evictionHard, testCase.evictionSoft, testCase.evictionSoftGracePeriod)
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if testCase.expectErr != (err != nil) {
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t.Errorf("Err not as expected, test: %v, error expected: %v, actual: %v", testName, testCase.expectErr, err)
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}
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if !thresholdsEqual(testCase.expectThresholds, thresholds) {
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t.Errorf("thresholds not as expected, test: %v, expected: %v, actual: %v", testName, testCase.expectThresholds, thresholds)
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}
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}
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}
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func thresholdsEqual(expected []Threshold, actual []Threshold) bool {
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if len(expected) != len(actual) {
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return false
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}
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for _, aThreshold := range expected {
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equal := false
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for _, bThreshold := range actual {
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if thresholdEqual(aThreshold, bThreshold) {
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equal = true
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}
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}
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if !equal {
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return false
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}
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}
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for _, aThreshold := range actual {
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equal := false
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for _, bThreshold := range expected {
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if thresholdEqual(aThreshold, bThreshold) {
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equal = true
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}
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}
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if !equal {
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return false
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}
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}
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return true
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}
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func thresholdEqual(a Threshold, b Threshold) bool {
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return a.GracePeriod == b.GracePeriod &&
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a.Operator == b.Operator &&
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a.Signal == b.Signal &&
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a.Value.Cmp(b.Value) == 0
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}
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