mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
104 lines
3.3 KiB
Go
104 lines
3.3 KiB
Go
// Copyright 2024 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 integration
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import (
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"context"
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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/tests/v3/framework/integration"
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)
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func TestMustPanic(t *testing.T) {
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integration.BeforeTest(t)
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clus := integration.NewCluster(t, &integration.ClusterConfig{
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Size: 3,
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SnapshotCount: 1000,
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SnapshotCatchUpEntries: 100,
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})
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defer clus.Terminate(t)
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// inject partition between [member-0] and [member-1, member 2]
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clus.Members[0].InjectPartition(t, clus.Members[1:]...)
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// wait for leader in [member-1, member 2]
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lead := clus.WaitMembersForLeader(t, clus.Members[1:]) + 1
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t.Logf("elected lead: %v", clus.Members[lead].Server.MemberID())
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time.Sleep(2 * time.Second)
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// send 500 put request to [member-1, member 2], resulting at least 400 compactions in raft log
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for i := 0; i < 500; i++ {
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_, err := clus.Client(1).Put(context.TODO(), "foo", "bar")
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if err != nil {
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return
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}
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}
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expectMemberLog(t, clus.Members[lead], 5*time.Second, "compacted Raft logs", 400)
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expectMemberLog(t, clus.Members[lead], 5*time.Second, "\"compact-index\": 400", 1)
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// member-0 rejoins the cluster. Since its appliedIndex is very low (less than 10, not in leader raft log's range),
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// the leader decides to send a snapshot to member-0.
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clus.Members[0].RecoverPartition(t, clus.Members[1:]...)
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// Wait for the leader to panic with `panic("need non-empty snapshot")`
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time.Sleep(5 * time.Second)
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}
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func TestMustNotPanic(t *testing.T) {
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integration.BeforeTest(t)
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clus := integration.NewCluster(t, &integration.ClusterConfig{
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Size: 3,
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SnapshotCount: 1000,
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SnapshotCatchUpEntries: 100,
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})
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defer clus.Terminate(t)
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// inject partition between [member-0] and [member-1, member 2]
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clus.Members[0].InjectPartition(t, clus.Members[1:]...)
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// wait for leader in [member-1, member 2]
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lead := clus.WaitMembersForLeader(t, clus.Members[1:]) + 1
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t.Logf("elected lead: %v", clus.Members[lead].Server.MemberID())
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time.Sleep(2 * time.Second)
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// send 80 put request to [member-1, member 2], no compaction in raft log
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for i := 0; i < 80; i++ {
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_, err := clus.Client(1).Put(context.TODO(), "foo", "bar")
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if err != nil {
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return
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}
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}
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// leader should not compact raft logs
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ctx, cancel := context.WithTimeout(context.TODO(), 5*time.Second)
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defer cancel()
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_, err := clus.Members[lead].LogObserver.Expect(ctx, "compacted Raft logs", 1)
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assert.ErrorIs(t, err, context.DeadlineExceeded)
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// member-0 rejoins the cluster.
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// Since member-0's appliedIndex is within the leader raft log's range,
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// the leader won't send a snapshot. So, no panic should happen here.
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clus.Members[0].RecoverPartition(t, clus.Members[1:]...)
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// No errors should occur during this wait
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time.Sleep(5 * time.Second)
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}
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