135 lines
3.3 KiB
Go
135 lines
3.3 KiB
Go
package api
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import (
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"bytes"
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"strings"
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"testing"
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)
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func TestSnapshot(t *testing.T) {
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t.Parallel()
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c, s := makeClient(t)
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defer s.Stop()
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// Place an initial key into the store.
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kv := c.KV()
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key := &KVPair{Key: testKey(), Value: []byte("hello")}
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if _, err := kv.Put(key, nil); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Make sure it reads back.
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pair, _, err := kv.Get(key.Key, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if pair == nil {
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t.Fatalf("expected value: %#v", pair)
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}
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if !bytes.Equal(pair.Value, []byte("hello")) {
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t.Fatalf("unexpected value: %#v", pair)
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}
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// Take a snapshot.
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snapshot := c.Snapshot()
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snap, qm, err := snapshot.Save(nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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defer snap.Close()
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// Sanity check th query metadata.
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if qm.LastIndex == 0 || !qm.KnownLeader ||
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qm.RequestTime == 0 {
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t.Fatalf("bad: %v", qm)
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}
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// Overwrite the key's value.
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key.Value = []byte("goodbye")
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if _, err := kv.Put(key, nil); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Read the key back and look for the new value.
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pair, _, err = kv.Get(key.Key, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if pair == nil {
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t.Fatalf("expected value: %#v", pair)
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}
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if !bytes.Equal(pair.Value, []byte("goodbye")) {
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t.Fatalf("unexpected value: %#v", pair)
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}
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// Restore the snapshot.
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if err := snapshot.Restore(nil, snap); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Read the key back and look for the original value.
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pair, _, err = kv.Get(key.Key, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if pair == nil {
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t.Fatalf("expected value: %#v", pair)
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}
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if !bytes.Equal(pair.Value, []byte("hello")) {
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t.Fatalf("unexpected value: %#v", pair)
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}
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}
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func TestSnapshot_Options(t *testing.T) {
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t.Parallel()
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c, s := makeACLClient(t)
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defer s.Stop()
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// Try to take a snapshot with a bad token.
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snapshot := c.Snapshot()
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_, _, err := snapshot.Save(&QueryOptions{Token: "anonymous"})
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if err == nil || !strings.Contains(err.Error(), "Permission denied") {
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t.Fatalf("err: %v", err)
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}
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// Now try an unknown DC.
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_, _, err = snapshot.Save(&QueryOptions{Datacenter: "nope"})
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if err == nil || !strings.Contains(err.Error(), "No path to datacenter") {
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t.Fatalf("err: %v", err)
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}
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// This should work with a valid token.
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snap, _, err := snapshot.Save(&QueryOptions{Token: "root"})
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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defer snap.Close()
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// This should work with a stale snapshot. This doesn't have good feedback
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// that the stale option was sent, but it makes sure nothing bad happens.
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snap, _, err = snapshot.Save(&QueryOptions{Token: "root", AllowStale: true})
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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defer snap.Close()
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// Try to restore a snapshot with a bad token.
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null := bytes.NewReader([]byte(""))
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err = snapshot.Restore(&WriteOptions{Token: "anonymous"}, null)
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if err == nil || !strings.Contains(err.Error(), "Permission denied") {
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t.Fatalf("err: %v", err)
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}
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// Now try an unknown DC.
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null = bytes.NewReader([]byte(""))
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err = snapshot.Restore(&WriteOptions{Datacenter: "nope"}, null)
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if err == nil || !strings.Contains(err.Error(), "No path to datacenter") {
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t.Fatalf("err: %v", err)
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}
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// This should work.
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if err := snapshot.Restore(&WriteOptions{Token: "root"}, snap); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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