111 lines
2.6 KiB
Go
111 lines
2.6 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package etcd3
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import (
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"go.etcd.io/etcd/api/v3/mvccpb"
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clientv3 "go.etcd.io/etcd/client/v3"
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"testing"
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)
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func TestParseEvent(t *testing.T) {
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for _, tc := range []struct {
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name string
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etcdEvent *clientv3.Event
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expectedEvent *event
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expectedErr string
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}{
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{
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name: "successful create",
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etcdEvent: &clientv3.Event{
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Type: clientv3.EventTypePut,
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PrevKv: nil,
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Kv: &mvccpb.KeyValue{
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// key is the key in bytes. An empty key is not allowed.
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Key: []byte("key"),
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ModRevision: 1,
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CreateRevision: 1,
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Value: []byte("value"),
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},
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},
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expectedEvent: &event{
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key: "key",
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value: []byte("value"),
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prevValue: nil,
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rev: 1,
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isDeleted: false,
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isCreated: true,
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},
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expectedErr: "",
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},
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{
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name: "unsuccessful delete",
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etcdEvent: &clientv3.Event{
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Type: mvccpb.DELETE,
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PrevKv: nil,
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Kv: &mvccpb.KeyValue{
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Key: []byte("key"),
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CreateRevision: 1,
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ModRevision: 2,
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Value: nil,
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},
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},
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expectedErr: "etcd event received with PrevKv=nil",
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},
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{
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name: "successful delete",
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etcdEvent: &clientv3.Event{
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Type: mvccpb.DELETE,
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PrevKv: &mvccpb.KeyValue{
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Key: []byte("key"),
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CreateRevision: 1,
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ModRevision: 1,
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Value: []byte("value"),
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},
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Kv: &mvccpb.KeyValue{
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Key: []byte("key"),
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CreateRevision: 1,
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ModRevision: 2,
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Value: nil,
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},
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},
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expectedEvent: &event{
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key: "key",
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value: nil,
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prevValue: []byte("value"),
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rev: 2,
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isDeleted: true,
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isCreated: false,
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},
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expectedErr: "",
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},
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} {
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t.Run(tc.name, func(t *testing.T) {
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actualEvent, err := parseEvent(tc.etcdEvent)
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if tc.expectedErr != "" {
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require.Error(t, err)
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assert.Contains(t, err.Error(), tc.expectedErr)
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} else {
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require.NoError(t, err)
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assert.Equal(t, tc.expectedEvent, actualEvent)
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}
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})
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}
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}
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