etcd/server/storage/schema/changes_test.go
2021-09-10 10:16:48 +02:00

62 lines
1.8 KiB
Go

// Copyright 2021 The etcd 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 schema
import (
"testing"
"time"
betesting "go.etcd.io/etcd/server/v3/storage/backend/testing"
)
func TestUpgradeDowngrade(t *testing.T) {
tcs := []struct {
name string
change schemaChange
expectStateAfterUpgrade map[string]string
expectStateAfterDowngrade map[string]string
}{
{
name: "addNewField empty",
change: addNewField(Meta, []byte("/test"), []byte("1")),
expectStateAfterUpgrade: map[string]string{"/test": "1"},
},
}
for _, tc := range tcs {
t.Run(tc.name, func(t *testing.T) {
be, _ := betesting.NewTmpBackend(t, time.Microsecond, 10)
defer be.Close()
tx := be.BatchTx()
if tx == nil {
t.Fatal("batch tx is nil")
}
tx.Lock()
defer tx.Unlock()
UnsafeCreateMetaBucket(tx)
_, err := tc.change.upgradeAction().unsafeDo(tx)
if err != nil {
t.Errorf("Failed to upgrade, err: %v", err)
}
assertBucketState(t, tx, Meta, tc.expectStateAfterUpgrade)
_, err = tc.change.downgradeAction().unsafeDo(tx)
if err != nil {
t.Errorf("Failed to downgrade, err: %v", err)
}
assertBucketState(t, tx, Meta, tc.expectStateAfterDowngrade)
})
}
}