mirror of https://github.com/hashicorp/consul
575 lines
12 KiB
Go
575 lines
12 KiB
Go
package api
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import (
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"bytes"
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"path"
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"strings"
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"testing"
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"time"
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)
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func TestAPI_ClientPutGetDelete(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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kv := c.KV()
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// Get a get without a key
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key := testKey()
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pair, _, err := kv.Get(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("unexpected value: %#v", pair)
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}
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value := []byte("test")
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// Put a key that begins with a '/', this should fail
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invalidKey := "/test"
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p := &KVPair{Key: invalidKey, Flags: 42, Value: value}
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if _, err := kv.Put(p, nil); err == nil {
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t.Fatalf("Invalid key not detected: %s", invalidKey)
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}
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// Put the key
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p = &KVPair{Key: key, Flags: 42, Value: value}
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if _, err := kv.Put(p, nil); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Get should work
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pair, meta, err := kv.Get(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, value) {
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t.Fatalf("unexpected value: %#v", pair)
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}
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if pair.Flags != 42 {
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t.Fatalf("unexpected value: %#v", pair)
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}
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if meta.LastIndex == 0 {
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t.Fatalf("unexpected value: %#v", meta)
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}
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// Delete
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if _, err := kv.Delete(key, nil); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Get should fail
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pair, _, err = kv.Get(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("unexpected value: %#v", pair)
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}
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}
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func TestAPI_ClientList_DeleteRecurse(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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kv := c.KV()
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// Generate some test keys
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prefix := testKey()
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var keys []string
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for i := 0; i < 100; i++ {
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keys = append(keys, path.Join(prefix, testKey()))
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}
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// Set values
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value := []byte("test")
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for _, key := range keys {
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p := &KVPair{Key: key, Value: value}
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if _, err := kv.Put(p, nil); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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// List the values
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pairs, meta, err := kv.List(prefix, 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 len(pairs) != len(keys) {
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t.Fatalf("got %d keys", len(pairs))
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}
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for _, pair := range pairs {
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if !bytes.Equal(pair.Value, value) {
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t.Fatalf("unexpected value: %#v", pair)
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}
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}
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if meta.LastIndex == 0 {
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t.Fatalf("unexpected value: %#v", meta)
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}
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// Delete all
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if _, err := kv.DeleteTree(prefix, nil); err != nil {
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t.Fatalf("err: %v", err)
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}
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// List the values
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pairs, _, err = kv.List(prefix, 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 len(pairs) != 0 {
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t.Fatalf("got %d keys", len(pairs))
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}
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}
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func TestAPI_ClientDeleteCAS(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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kv := c.KV()
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// Put the key
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key := testKey()
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value := []byte("test")
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p := &KVPair{Key: key, Value: value}
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if work, _, err := kv.CAS(p, nil); err != nil {
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t.Fatalf("err: %v", err)
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} else if !work {
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t.Fatalf("CAS failure")
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}
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// Get should work
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pair, meta, err := kv.Get(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 meta.LastIndex == 0 {
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t.Fatalf("unexpected value: %#v", meta)
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}
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// CAS update with bad index
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p.ModifyIndex = 1
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if work, _, err := kv.DeleteCAS(p, nil); err != nil {
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t.Fatalf("err: %v", err)
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} else if work {
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t.Fatalf("unexpected CAS")
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}
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// CAS update with valid index
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p.ModifyIndex = meta.LastIndex
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if work, _, err := kv.DeleteCAS(p, nil); err != nil {
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t.Fatalf("err: %v", err)
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} else if !work {
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t.Fatalf("unexpected CAS failure")
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}
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}
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func TestAPI_ClientCAS(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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kv := c.KV()
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// Put the key
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key := testKey()
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value := []byte("test")
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p := &KVPair{Key: key, Value: value}
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if work, _, err := kv.CAS(p, nil); err != nil {
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t.Fatalf("err: %v", err)
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} else if !work {
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t.Fatalf("CAS failure")
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}
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// Get should work
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pair, meta, err := kv.Get(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 meta.LastIndex == 0 {
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t.Fatalf("unexpected value: %#v", meta)
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}
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// CAS update with bad index
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newVal := []byte("foo")
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p.Value = newVal
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p.ModifyIndex = 1
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if work, _, err := kv.CAS(p, nil); err != nil {
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t.Fatalf("err: %v", err)
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} else if work {
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t.Fatalf("unexpected CAS")
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}
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// CAS update with valid index
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p.ModifyIndex = meta.LastIndex
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if work, _, err := kv.CAS(p, nil); err != nil {
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t.Fatalf("err: %v", err)
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} else if !work {
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t.Fatalf("unexpected CAS failure")
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}
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}
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func TestAPI_ClientWatchGet(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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kv := c.KV()
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// Get a get without a key
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key := testKey()
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pair, meta, err := kv.Get(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("unexpected value: %#v", pair)
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}
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if meta.LastIndex == 0 {
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t.Fatalf("unexpected value: %#v", meta)
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}
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// Put the key
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value := []byte("test")
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doneCh := make(chan struct{})
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go func() {
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kv := c.KV()
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time.Sleep(100 * time.Millisecond)
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p := &KVPair{Key: key, Flags: 42, Value: value}
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if _, err := kv.Put(p, nil); err != nil {
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t.Fatalf("err: %v", err)
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}
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doneCh <- struct{}{}
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}()
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// Get should work
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options := &QueryOptions{WaitIndex: meta.LastIndex}
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pair, meta2, err := kv.Get(key, options)
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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, value) {
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t.Fatalf("unexpected value: %#v", pair)
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}
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if pair.Flags != 42 {
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t.Fatalf("unexpected value: %#v", pair)
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}
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if meta2.LastIndex <= meta.LastIndex {
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t.Fatalf("unexpected value: %#v", meta2)
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}
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// Block until put finishes to avoid a race between it and deferred s.Stop()
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<-doneCh
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}
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func TestAPI_ClientWatchList(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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kv := c.KV()
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// Get a get without a key
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prefix := testKey()
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key := path.Join(prefix, testKey())
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pairs, meta, err := kv.List(prefix, 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 len(pairs) != 0 {
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t.Fatalf("unexpected value: %#v", pairs)
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}
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if meta.LastIndex == 0 {
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t.Fatalf("unexpected value: %#v", meta)
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}
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// Put the key
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value := []byte("test")
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doneCh := make(chan struct{})
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go func() {
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kv := c.KV()
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time.Sleep(100 * time.Millisecond)
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p := &KVPair{Key: key, Flags: 42, Value: value}
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if _, err := kv.Put(p, nil); err != nil {
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t.Fatalf("err: %v", err)
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}
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doneCh <- struct{}{}
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}()
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// Get should work
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options := &QueryOptions{WaitIndex: meta.LastIndex}
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pairs, meta2, err := kv.List(prefix, options)
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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 len(pairs) != 1 {
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t.Fatalf("expected value: %#v", pairs)
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}
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if !bytes.Equal(pairs[0].Value, value) {
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t.Fatalf("unexpected value: %#v", pairs)
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}
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if pairs[0].Flags != 42 {
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t.Fatalf("unexpected value: %#v", pairs)
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}
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if meta2.LastIndex <= meta.LastIndex {
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t.Fatalf("unexpected value: %#v", meta2)
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}
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// Block until put finishes to avoid a race between it and deferred s.Stop()
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<-doneCh
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}
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func TestAPI_ClientKeys_DeleteRecurse(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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kv := c.KV()
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// Generate some test keys
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prefix := testKey()
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var keys []string
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for i := 0; i < 100; i++ {
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keys = append(keys, path.Join(prefix, testKey()))
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}
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// Set values
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value := []byte("test")
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for _, key := range keys {
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p := &KVPair{Key: key, Value: value}
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if _, err := kv.Put(p, nil); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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// List the values
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out, meta, err := kv.Keys(prefix, "", 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 len(out) != len(keys) {
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t.Fatalf("got %d keys", len(out))
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}
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if meta.LastIndex == 0 {
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t.Fatalf("unexpected value: %#v", meta)
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}
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// Delete all
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if _, err := kv.DeleteTree(prefix, nil); err != nil {
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t.Fatalf("err: %v", err)
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}
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// List the values
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out, _, err = kv.Keys(prefix, "", 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 len(out) != 0 {
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t.Fatalf("got %d keys", len(out))
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}
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}
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func TestAPI_ClientAcquireRelease(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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session := c.Session()
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kv := c.KV()
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// Make a session
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id, _, err := session.CreateNoChecks(nil, 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 session.Destroy(id, nil)
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// Acquire the key
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key := testKey()
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value := []byte("test")
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p := &KVPair{Key: key, Value: value, Session: id}
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if work, _, err := kv.Acquire(p, nil); err != nil {
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t.Fatalf("err: %v", err)
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} else if !work {
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t.Fatalf("Lock failure")
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}
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// Get should work
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pair, meta, err := kv.Get(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 pair.LockIndex != 1 {
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t.Fatalf("Expected lock: %v", pair)
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}
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if pair.Session != id {
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t.Fatalf("Expected lock: %v", pair)
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}
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if meta.LastIndex == 0 {
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t.Fatalf("unexpected value: %#v", meta)
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}
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// Release
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if work, _, err := kv.Release(p, nil); err != nil {
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t.Fatalf("err: %v", err)
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} else if !work {
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t.Fatalf("Release fail")
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}
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// Get should work
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pair, meta, err = kv.Get(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 pair.LockIndex != 1 {
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t.Fatalf("Expected lock: %v", pair)
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}
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if pair.Session != "" {
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t.Fatalf("Expected unlock: %v", pair)
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}
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if meta.LastIndex == 0 {
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t.Fatalf("unexpected value: %#v", meta)
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}
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}
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func TestAPI_ClientTxn(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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session := c.Session()
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kv := c.KV()
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// Make a session.
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id, _, err := session.CreateNoChecks(nil, 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 session.Destroy(id, nil)
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// Acquire and get the key via a transaction, but don't supply a valid
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// session.
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key := testKey()
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value := []byte("test")
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txn := KVTxnOps{
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&KVTxnOp{
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Verb: KVLock,
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Key: key,
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Value: value,
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},
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&KVTxnOp{
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Verb: KVGet,
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Key: key,
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},
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}
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ok, ret, _, err := kv.Txn(txn, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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} else if ok {
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t.Fatalf("transaction should have failed")
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}
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if ret == nil || len(ret.Errors) != 2 || len(ret.Results) != 0 {
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t.Fatalf("bad: %v", ret)
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}
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if ret.Errors[0].OpIndex != 0 ||
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!strings.Contains(ret.Errors[0].What, "missing session") ||
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!strings.Contains(ret.Errors[1].What, "doesn't exist") {
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t.Fatalf("bad: %v", ret.Errors[0])
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}
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// Now poke in a real session and try again.
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txn[0].Session = id
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ok, ret, _, err = kv.Txn(txn, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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} else if !ok {
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t.Fatalf("transaction failure")
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}
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if ret == nil || len(ret.Errors) != 0 || len(ret.Results) != 2 {
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t.Fatalf("bad: %v", ret)
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}
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for i, result := range ret.Results {
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var expected []byte
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if i == 1 {
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expected = value
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}
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if result.Key != key ||
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!bytes.Equal(result.Value, expected) ||
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result.Session != id ||
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result.LockIndex != 1 {
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t.Fatalf("bad: %v", result)
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}
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}
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// Run a read-only transaction.
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txn = KVTxnOps{
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&KVTxnOp{
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Verb: KVGet,
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Key: key,
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},
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}
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ok, ret, _, err = kv.Txn(txn, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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} else if !ok {
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t.Fatalf("transaction failure")
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}
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if ret == nil || len(ret.Errors) != 0 || len(ret.Results) != 1 {
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t.Fatalf("bad: %v", ret)
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}
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for _, result := range ret.Results {
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if result.Key != key ||
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!bytes.Equal(result.Value, value) ||
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result.Session != id ||
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result.LockIndex != 1 {
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t.Fatalf("bad: %v", result)
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}
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}
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// Sanity check using the regular GET API.
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|
pair, meta, err := kv.Get(key, nil)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if pair == nil {
|
|
t.Fatalf("expected value: %#v", pair)
|
|
}
|
|
if pair.LockIndex != 1 {
|
|
t.Fatalf("Expected lock: %v", pair)
|
|
}
|
|
if pair.Session != id {
|
|
t.Fatalf("Expected lock: %v", pair)
|
|
}
|
|
if meta.LastIndex == 0 {
|
|
t.Fatalf("unexpected value: %#v", meta)
|
|
}
|
|
}
|