mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
83 lines
2.0 KiB
Go
83 lines
2.0 KiB
Go
// Copyright 2015 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 cindex
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import (
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"math/rand"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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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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"go.etcd.io/etcd/server/v3/storage/schema"
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)
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// TestConsistentIndex ensures that LoadConsistentIndex/Save/ConsistentIndex and backend.BatchTx can work well together.
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func TestConsistentIndex(t *testing.T) {
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be, tmpPath := betesting.NewTmpBackend(t, time.Microsecond, 10)
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ci := NewConsistentIndex(be)
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tx := be.BatchTx()
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if tx == nil {
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t.Fatal("batch tx is nil")
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}
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tx.Lock()
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schema.UnsafeCreateMetaBucket(tx)
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tx.Unlock()
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be.ForceCommit()
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r := uint64(7890123)
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term := uint64(234)
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ci.SetConsistentIndex(r, term)
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index := ci.ConsistentIndex()
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if index != r {
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t.Errorf("expected %d,got %d", r, index)
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}
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tx.Lock()
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ci.UnsafeSave(tx)
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tx.Unlock()
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be.ForceCommit()
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be.Close()
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b := backend.NewDefaultBackend(tmpPath)
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defer b.Close()
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ci.SetBackend(b)
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index = ci.ConsistentIndex()
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assert.Equal(t, r, index)
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ci = NewConsistentIndex(b)
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index = ci.ConsistentIndex()
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assert.Equal(t, r, index)
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}
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func TestFakeConsistentIndex(t *testing.T) {
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r := rand.Uint64()
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ci := NewFakeConsistentIndex(r)
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index := ci.ConsistentIndex()
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if index != r {
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t.Errorf("expected %d,got %d", r, index)
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}
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r = rand.Uint64()
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ci.SetConsistentIndex(r, 5)
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index = ci.ConsistentIndex()
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if index != r {
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t.Errorf("expected %d,got %d", r, index)
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}
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}
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