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https://github.com/etcd-io/etcd.git
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11ba1a6109
* namespace: check IsWithFromKey if keyLen equal 0. Rename function isWithFromKey/isWithPrefix to IsOptsWithFromKey/IsOptsWithPrefix. fixes: #12282 * integration: add test while WithFromKey/WithPrefix called in opts.
89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
package integration
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import (
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"context"
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"go.etcd.io/etcd/v3/clientv3"
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"go.etcd.io/etcd/v3/clientv3/namespace"
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"go.etcd.io/etcd/v3/embed"
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"go.etcd.io/etcd/v3/etcdserver/api/v3client"
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"go.etcd.io/etcd/v3/pkg/testutil"
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"io/ioutil"
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"os"
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"testing"
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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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defer testutil.AfterTest(t)
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cfg := embed.NewConfig()
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// Use temporary data directory.
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dir, err := ioutil.TempDir("", "etcd-")
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if err != nil {
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panic(err)
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}
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defer os.RemoveAll(dir)
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cfg.Dir = dir
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// Suppress server log to keep output clean.
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//cfg.Logger = "zap"
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//cfg.LogLevel = "error"
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etcd, err := embed.StartEtcd(cfg)
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if err != nil {
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panic(err)
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}
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defer etcd.Close()
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<-etcd.Server.ReadyNotify()
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client := v3client.New(etcd.Server)
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defer client.Close()
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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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respDel, 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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