mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
81 lines
2.3 KiB
Go
81 lines
2.3 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 integration
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import (
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"context"
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"testing"
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clientv3 "go.etcd.io/etcd/client/v3"
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"go.etcd.io/etcd/client/v3/namespace"
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"go.etcd.io/etcd/tests/v3/framework/integration"
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)
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// TestKVWithEmptyValue ensures that a get/delete with an empty value, and with WithFromKey/WithPrefix function will return an empty error.
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func TestKVWithEmptyValue(t *testing.T) {
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integration.BeforeTest(t)
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clus := integration.NewCluster(t, &integration.ClusterConfig{Size: 1})
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defer clus.Terminate(t)
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client := clus.RandClient()
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_, err := client.Put(context.Background(), "my-namespace/foobar", "data")
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if err != nil {
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t.Fatal(err)
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}
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_, err = client.Put(context.Background(), "my-namespace/foobar1", "data")
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if err != nil {
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t.Fatal(err)
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}
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_, err = client.Put(context.Background(), "namespace/foobar1", "data")
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if err != nil {
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t.Fatal(err)
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}
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// Range over all keys.
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resp, err := client.Get(context.Background(), "", clientv3.WithFromKey())
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if err != nil {
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t.Fatal(err)
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}
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for _, kv := range resp.Kvs {
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t.Log(string(kv.Key), "=", string(kv.Value))
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}
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// Range over all keys in a namespace.
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client.KV = namespace.NewKV(client.KV, "my-namespace/")
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resp, err = client.Get(context.Background(), "", clientv3.WithFromKey())
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if err != nil {
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t.Fatal(err)
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}
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for _, kv := range resp.Kvs {
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t.Log(string(kv.Key), "=", string(kv.Value))
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}
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//Remove all keys without WithFromKey/WithPrefix func
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_, err = client.Delete(context.Background(), "")
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if err == nil {
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// fatal error duo to without WithFromKey/WithPrefix func called.
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t.Fatal(err)
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}
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respDel, err := client.Delete(context.Background(), "", clientv3.WithFromKey())
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if err != nil {
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// fatal error duo to with WithFromKey/WithPrefix func called.
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t.Fatal(err)
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}
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t.Logf("delete keys:%d", respDel.Deleted)
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}
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