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Merge pull request #102455 from lunhuijie/addTestHelpers

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Add test cases to the addAllocatableThresholds function in pkg/kubelet/eviction/helpers.go
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Kubernetes Prow Robot 2021-06-21 19:23:57 -07:00 committed by GitHub
commit e154a6d637
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1 changed files with 182 additions and 0 deletions
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pkg/kubelet/eviction/helpers_test.go
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@ -18,6 +18,7 @@ package eviction
import ( import (
"fmt" "fmt"
"k8s.io/apimachinery/pkg/util/diff"
"reflect" "reflect"
"sort" "sort"
"testing" "testing"
@ -453,6 +454,187 @@ func TestParseThresholdConfig(t *testing.T) {
} }
} }
func TestAddAllocatableThresholds(t *testing.T) {
// About func addAllocatableThresholds, only someone threshold that "Signal" is "memory.available" and "GracePeriod" is 0,
// append this threshold(changed "Signal" to "allocatableMemory.available") to thresholds
testCases := map[string]struct {
thresholds []evictionapi.Threshold
expected []evictionapi.Threshold
}{
"non-memory-signal": {
thresholds: []evictionapi.Threshold{
{
Signal: evictionapi.SignalImageFsAvailable,
Operator: evictionapi.OpLessThan,
Value: evictionapi.ThresholdValue{
Quantity: quantityMustParse("150Mi"),
},
GracePeriod: 0,
MinReclaim: &evictionapi.ThresholdValue{
Quantity: quantityMustParse("0"),
},
},
},
expected: []evictionapi.Threshold{
{
Signal: evictionapi.SignalImageFsAvailable,
Operator: evictionapi.OpLessThan,
Value: evictionapi.ThresholdValue{
Quantity: quantityMustParse("150Mi"),
},
GracePeriod: 0,
MinReclaim: &evictionapi.ThresholdValue{
Quantity: quantityMustParse("0"),
},
},
},
},
"memory-signal-with-grace": {
thresholds: []evictionapi.Threshold{
{
Signal: evictionapi.SignalMemoryAvailable,
Operator: evictionapi.OpLessThan,
Value: evictionapi.ThresholdValue{
Quantity: quantityMustParse("150Mi"),
},
GracePeriod: 10,
MinReclaim: &evictionapi.ThresholdValue{
Quantity: quantityMustParse("0"),
},
},
},
expected: []evictionapi.Threshold{
{
Signal: evictionapi.SignalMemoryAvailable,
Operator: evictionapi.OpLessThan,
Value: evictionapi.ThresholdValue{
Quantity: quantityMustParse("150Mi"),
},
GracePeriod: 10,
MinReclaim: &evictionapi.ThresholdValue{
Quantity: quantityMustParse("0"),
},
},
},
},
"memory-signal-without-grace": {
thresholds: []evictionapi.Threshold{
{
Signal: evictionapi.SignalMemoryAvailable,
Operator: evictionapi.OpLessThan,
Value: evictionapi.ThresholdValue{
Quantity: quantityMustParse("150Mi"),
},
GracePeriod: 0,
MinReclaim: &evictionapi.ThresholdValue{
Quantity: quantityMustParse("0"),
},
},
},
expected: []evictionapi.Threshold{
{
Signal: evictionapi.SignalAllocatableMemoryAvailable,
Operator: evictionapi.OpLessThan,
Value: evictionapi.ThresholdValue{
Quantity: quantityMustParse("150Mi"),
},
MinReclaim: &evictionapi.ThresholdValue{
Quantity: quantityMustParse("0"),
},
},
{
Signal: evictionapi.SignalMemoryAvailable,
Operator: evictionapi.OpLessThan,
Value: evictionapi.ThresholdValue{
Quantity: quantityMustParse("150Mi"),
},
GracePeriod: 0,
MinReclaim: &evictionapi.ThresholdValue{
Quantity: quantityMustParse("0"),
},
},
},
},
"memory-signal-without-grace-two-thresholds": {
thresholds: []evictionapi.Threshold{
{
Signal: evictionapi.SignalMemoryAvailable,
Operator: evictionapi.OpLessThan,
Value: evictionapi.ThresholdValue{
Quantity: quantityMustParse("150Mi"),
},
GracePeriod: 0,
MinReclaim: &evictionapi.ThresholdValue{
Quantity: quantityMustParse("0"),
},
},
{
Signal: evictionapi.SignalMemoryAvailable,
Operator: evictionapi.OpLessThan,
Value: evictionapi.ThresholdValue{
Quantity: quantityMustParse("200Mi"),
},
GracePeriod: 0,
MinReclaim: &evictionapi.ThresholdValue{
Quantity: quantityMustParse("1Gi"),
},
},
},
expected: []evictionapi.Threshold{
{
Signal: evictionapi.SignalAllocatableMemoryAvailable,
Operator: evictionapi.OpLessThan,
Value: evictionapi.ThresholdValue{
Quantity: quantityMustParse("150Mi"),
},
MinReclaim: &evictionapi.ThresholdValue{
Quantity: quantityMustParse("0"),
},
},
{
Signal: evictionapi.SignalMemoryAvailable,
Operator: evictionapi.OpLessThan,
Value: evictionapi.ThresholdValue{
Quantity: quantityMustParse("150Mi"),
},
GracePeriod: 0,
MinReclaim: &evictionapi.ThresholdValue{
Quantity: quantityMustParse("0"),
},
},
{
Signal: evictionapi.SignalAllocatableMemoryAvailable,
Operator: evictionapi.OpLessThan,
Value: evictionapi.ThresholdValue{
Quantity: quantityMustParse("200Mi"),
},
MinReclaim: &evictionapi.ThresholdValue{
Quantity: quantityMustParse("1Gi"),
},
},
{
Signal: evictionapi.SignalMemoryAvailable,
Operator: evictionapi.OpLessThan,
Value: evictionapi.ThresholdValue{
Quantity: quantityMustParse("200Mi"),
},
GracePeriod: 0,
MinReclaim: &evictionapi.ThresholdValue{
Quantity: quantityMustParse("1Gi"),
},
},
},
},
}
for testName, testCase := range testCases {
t.Run(testName, func(t *testing.T) {
if !thresholdsEqual(testCase.expected, addAllocatableThresholds(testCase.thresholds)) {
t.Errorf("Err not as expected, test: %v, Unexpected data: %s", testName, diff.ObjectDiff(testCase.expected, addAllocatableThresholds(testCase.thresholds)))
}
})
}
}
func thresholdsEqual(expected []evictionapi.Threshold, actual []evictionapi.Threshold) bool { func thresholdsEqual(expected []evictionapi.Threshold, actual []evictionapi.Threshold) bool {
if len(expected) != len(actual) { if len(expected) != len(actual) {
return false return false