mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
109 lines
2.9 KiB
Go
109 lines
2.9 KiB
Go
// Copyright 2022 The etcd Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package backend_test
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import (
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"testing"
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"time"
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"go.etcd.io/etcd/client/pkg/v3/verify"
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"go.etcd.io/etcd/server/v3/storage/backend"
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betesting "go.etcd.io/etcd/server/v3/storage/backend/testing"
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)
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func TestLockVerify(t *testing.T) {
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tcs := []struct {
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name string
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insideApply bool
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lock func(tx backend.BatchTx)
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txPostLockInsideApplyHook func()
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expectPanic bool
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}{
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{
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name: "call lockInsideApply from inside apply",
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insideApply: true,
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lock: lockInsideApply,
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expectPanic: false,
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},
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{
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name: "call lockInsideApply from outside apply (without txPostLockInsideApplyHook)",
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insideApply: false,
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lock: lockInsideApply,
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expectPanic: false,
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},
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{
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name: "call lockInsideApply from outside apply (with txPostLockInsideApplyHook)",
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insideApply: false,
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lock: lockInsideApply,
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txPostLockInsideApplyHook: func() {},
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expectPanic: true,
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},
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{
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name: "call lockOutsideApply from outside apply",
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insideApply: false,
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lock: lockOutsideApply,
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expectPanic: false,
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},
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{
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name: "call lockOutsideApply from inside apply",
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insideApply: true,
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lock: lockOutsideApply,
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expectPanic: true,
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},
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{
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name: "call Lock from unit test",
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insideApply: false,
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lock: lockFromUT,
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expectPanic: false,
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},
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}
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revertVerifyFunc := verify.EnableVerifications(backend.ENV_VERIFY_VALUE_LOCK)
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defer revertVerifyFunc()
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for _, tc := range tcs {
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t.Run(tc.name, func(t *testing.T) {
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be, _ := betesting.NewTmpBackend(t, time.Hour, 10000)
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be.SetTxPostLockInsideApplyHook(tc.txPostLockInsideApplyHook)
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hasPaniced := handlePanic(func() {
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if tc.insideApply {
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applyEntries(be, tc.lock)
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} else {
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tc.lock(be.BatchTx())
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}
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}) != nil
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if hasPaniced != tc.expectPanic {
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t.Errorf("%v != %v", hasPaniced, tc.expectPanic)
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}
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})
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}
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}
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func handlePanic(f func()) (result interface{}) {
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defer func() {
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result = recover()
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}()
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f()
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return result
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}
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func applyEntries(be backend.Backend, f func(tx backend.BatchTx)) {
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f(be.BatchTx())
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}
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func lockInsideApply(tx backend.BatchTx) { tx.LockInsideApply() }
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func lockOutsideApply(tx backend.BatchTx) { tx.LockOutsideApply() }
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func lockFromUT(tx backend.BatchTx) { tx.Lock() }
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