apiserver/pkg/storageversion/updater_test.go

263 lines
8.7 KiB
Go

/*
Copyright 2019 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 storageversion
import (
"reflect"
"testing"
"github.com/google/go-cmp/cmp"
"k8s.io/api/apiserverinternal/v1alpha1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
var (
v1 = "v1"
v2 = "v2"
ssv1 = v1alpha1.ServerStorageVersion{
APIServerID: "1",
EncodingVersion: "v1",
DecodableVersions: []string{"v1", "v2"},
ServedVersions: []string{"v1"},
}
ssv2 = v1alpha1.ServerStorageVersion{
APIServerID: "2",
EncodingVersion: "v1",
DecodableVersions: []string{"v1", "v2"},
ServedVersions: []string{"v1", "v2"},
}
// ssv3 has a different encoding version
ssv3 = v1alpha1.ServerStorageVersion{
APIServerID: "3",
EncodingVersion: "v2",
DecodableVersions: []string{"v1", "v2"},
ServedVersions: []string{"v1", "v2"},
}
ssv4 = v1alpha1.ServerStorageVersion{
APIServerID: "4",
EncodingVersion: "v1",
DecodableVersions: []string{"v1", "v2", "v4"},
ServedVersions: []string{"v1", "v2"},
}
ssv5 = v1alpha1.ServerStorageVersion{
APIServerID: "5",
EncodingVersion: "v2",
DecodableVersions: []string{"v1", "v2", "v4"},
ServedVersions: []string{"v1", "v2"},
}
)
func TestLocalUpdateStorageVersion(t *testing.T) {
tests := []struct {
old v1alpha1.StorageVersionStatus
newSSV v1alpha1.ServerStorageVersion
expected v1alpha1.StorageVersionStatus
expectLastTransitionTimeUpdate bool
}{
{
old: v1alpha1.StorageVersionStatus{},
newSSV: ssv1,
expected: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1},
CommonEncodingVersion: &v1,
Conditions: commonVersionTrueCondition(),
},
expectLastTransitionTimeUpdate: true,
},
{
old: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2},
CommonEncodingVersion: &v1,
Conditions: commonVersionTrueCondition(),
},
newSSV: ssv3,
expected: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2, ssv3},
Conditions: commonVersionFalseCondition(),
},
expectLastTransitionTimeUpdate: true,
},
{
old: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2},
CommonEncodingVersion: &v1,
Conditions: commonVersionTrueCondition(),
},
newSSV: ssv4,
expected: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2, ssv4},
CommonEncodingVersion: &v1,
Conditions: commonVersionTrueCondition(),
},
},
{
old: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2, ssv3},
Conditions: commonVersionFalseCondition(),
},
newSSV: ssv4,
expected: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2, ssv3, ssv4},
Conditions: commonVersionFalseCondition(),
},
},
}
for _, tc := range tests {
sv := &v1alpha1.StorageVersion{Status: tc.old}
updated := localUpdateStorageVersion(sv, tc.newSSV.APIServerID, tc.newSSV.EncodingVersion, tc.newSSV.DecodableVersions, tc.newSSV.ServedVersions)
if tc.expectLastTransitionTimeUpdate == updated.Status.Conditions[0].LastTransitionTime.IsZero() {
t.Errorf("unexpected LastTransitionTime, expected update: %v, got: %v",
tc.expectLastTransitionTimeUpdate, updated.Status.Conditions[0].LastTransitionTime)
}
updated.Status.Conditions[0].LastTransitionTime = metav1.Time{}
if e, a := tc.expected, updated.Status; !reflect.DeepEqual(e, a) {
t.Errorf("unexpected: %v", cmp.Diff(e, a))
}
}
}
func commonVersionTrueCondition() []v1alpha1.StorageVersionCondition {
return []v1alpha1.StorageVersionCondition{{
Type: v1alpha1.AllEncodingVersionsEqual,
Status: v1alpha1.ConditionTrue,
Reason: "CommonEncodingVersionSet",
Message: "Common encoding version set",
}}
}
func commonVersionFalseCondition() []v1alpha1.StorageVersionCondition {
return []v1alpha1.StorageVersionCondition{{
Type: v1alpha1.AllEncodingVersionsEqual,
Status: v1alpha1.ConditionFalse,
Reason: "CommonEncodingVersionUnset",
Message: "Common encoding version unset",
}}
}
func TestSetCommonEncodingVersion(t *testing.T) {
tests := []struct {
name string
old v1alpha1.StorageVersionStatus
expected v1alpha1.StorageVersionStatus
expectLastTransitionTimeUpdate bool
}{
{
name: "no-common_init",
old: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2, ssv3},
},
expected: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2, ssv3},
Conditions: commonVersionFalseCondition(),
},
expectLastTransitionTimeUpdate: true,
},
{
name: "no-common_transition",
old: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2, ssv3},
CommonEncodingVersion: &v1,
Conditions: commonVersionTrueCondition(),
},
expected: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2, ssv3},
Conditions: commonVersionFalseCondition(),
},
expectLastTransitionTimeUpdate: true,
},
{
name: "no-common_no-transition",
old: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2, ssv3},
Conditions: commonVersionFalseCondition(),
},
expected: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2, ssv3},
Conditions: commonVersionFalseCondition(),
},
},
{
name: "common_init",
old: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2},
},
expected: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2},
CommonEncodingVersion: &v1,
Conditions: commonVersionTrueCondition(),
},
expectLastTransitionTimeUpdate: true,
},
{
name: "common_no-transition",
old: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2},
CommonEncodingVersion: &v1,
Conditions: commonVersionTrueCondition(),
},
expected: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2},
CommonEncodingVersion: &v1,
Conditions: commonVersionTrueCondition(),
},
},
{
name: "common_transition",
old: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2},
Conditions: commonVersionFalseCondition(),
},
expected: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv1, ssv2},
CommonEncodingVersion: &v1,
Conditions: commonVersionTrueCondition(),
},
expectLastTransitionTimeUpdate: true,
},
{
name: "common_version-changed",
old: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv3, ssv5},
CommonEncodingVersion: &v1,
Conditions: commonVersionTrueCondition(),
},
expected: v1alpha1.StorageVersionStatus{
StorageVersions: []v1alpha1.ServerStorageVersion{ssv3, ssv5},
CommonEncodingVersion: &v2,
Conditions: commonVersionTrueCondition(),
},
expectLastTransitionTimeUpdate: true,
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
sv := &v1alpha1.StorageVersion{Status: tc.old}
SetCommonEncodingVersion(sv)
if (tc.expectLastTransitionTimeUpdate && sv.Status.Conditions[0].LastTransitionTime.IsZero()) ||
(!tc.expectLastTransitionTimeUpdate && !sv.Status.Conditions[0].LastTransitionTime.IsZero()) {
t.Errorf("unexpected LastTransitionTime, expected update: %v, got: %v",
tc.expectLastTransitionTimeUpdate, sv.Status.Conditions[0].LastTransitionTime)
}
sv.Status.Conditions[0].LastTransitionTime = metav1.Time{}
if e, a := tc.expected, sv.Status; !reflect.DeepEqual(e, a) {
t.Errorf("unexpected: %v", cmp.Diff(e, a))
}
})
}
}