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consul/api/kv_test.go

432 lines
8.5 KiB

package api
import (
"bytes"
"path"
"testing"
"time"
)
func TestClientPutGetDelete(t *testing.T) {
c, s := makeClient(t)
defer s.stop()
kv := c.KV()
// Get a get without a key
key := testKey()
pair, _, err := kv.Get(key, nil)
if err != nil {
t.Fatalf("err: %v", err)
}
if pair != nil {
t.Fatalf("unexpected value: %#v", pair)
}
// Put the key
value := []byte("test")
p := &KVPair{Key: key, Flags: 42, Value: value}
if _, err := kv.Put(p, nil); err != nil {
t.Fatalf("err: %v", err)
}
// Get should work
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 !bytes.Equal(pair.Value, value) {
t.Fatalf("unexpected value: %#v", pair)
}
if pair.Flags != 42 {
t.Fatalf("unexpected value: %#v", pair)
}
if meta.LastIndex == 0 {
t.Fatalf("unexpected value: %#v", meta)
}
// Delete
if _, err := kv.Delete(key, nil); err != nil {
t.Fatalf("err: %v", err)
}
// Get should fail
pair, _, err = kv.Get(key, nil)
if err != nil {
t.Fatalf("err: %v", err)
}
if pair != nil {
t.Fatalf("unexpected value: %#v", pair)
}
}
func TestClient_List_DeleteRecurse(t *testing.T) {
c, s := makeClient(t)
defer s.stop()
kv := c.KV()
// Generate some test keys
prefix := testKey()
var keys []string
for i := 0; i < 100; i++ {
keys = append(keys, path.Join(prefix, testKey()))
}
// Set values
value := []byte("test")
for _, key := range keys {
p := &KVPair{Key: key, Value: value}
if _, err := kv.Put(p, nil); err != nil {
t.Fatalf("err: %v", err)
}
}
// List the values
pairs, meta, err := kv.List(prefix, nil)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(pairs) != len(keys) {
t.Fatalf("got %d keys", len(pairs))
}
for _, pair := range pairs {
if !bytes.Equal(pair.Value, value) {
t.Fatalf("unexpected value: %#v", pair)
}
}
if meta.LastIndex == 0 {
t.Fatalf("unexpected value: %#v", meta)
}
// Delete all
if _, err := kv.DeleteTree(prefix, nil); err != nil {
t.Fatalf("err: %v", err)
}
// List the values
pairs, _, err = kv.List(prefix, nil)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(pairs) != 0 {
t.Fatalf("got %d keys", len(pairs))
}
}
func TestClient_DeleteCAS(t *testing.T) {
c, s := makeClient(t)
defer s.stop()
kv := c.KV()
// Put the key
key := testKey()
value := []byte("test")
p := &KVPair{Key: key, Value: value}
if work, _, err := kv.CAS(p, nil); err != nil {
t.Fatalf("err: %v", err)
} else if !work {
t.Fatalf("CAS failure")
}
// Get should work
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 meta.LastIndex == 0 {
t.Fatalf("unexpected value: %#v", meta)
}
// CAS update with bad index
p.ModifyIndex = 1
if work, _, err := kv.DeleteCAS(p, nil); err != nil {
t.Fatalf("err: %v", err)
} else if work {
t.Fatalf("unexpected CAS")
}
// CAS update with valid index
p.ModifyIndex = meta.LastIndex
if work, _, err := kv.DeleteCAS(p, nil); err != nil {
t.Fatalf("err: %v", err)
} else if !work {
t.Fatalf("unexpected CAS failure")
}
}
func TestClient_CAS(t *testing.T) {
c, s := makeClient(t)
defer s.stop()
kv := c.KV()
// Put the key
key := testKey()
value := []byte("test")
p := &KVPair{Key: key, Value: value}
if work, _, err := kv.CAS(p, nil); err != nil {
t.Fatalf("err: %v", err)
} else if !work {
t.Fatalf("CAS failure")
}
// Get should work
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 meta.LastIndex == 0 {
t.Fatalf("unexpected value: %#v", meta)
}
// CAS update with bad index
newVal := []byte("foo")
p.Value = newVal
p.ModifyIndex = 1
if work, _, err := kv.CAS(p, nil); err != nil {
t.Fatalf("err: %v", err)
} else if work {
t.Fatalf("unexpected CAS")
}
// CAS update with valid index
p.ModifyIndex = meta.LastIndex
if work, _, err := kv.CAS(p, nil); err != nil {
t.Fatalf("err: %v", err)
} else if !work {
t.Fatalf("unexpected CAS failure")
}
}
func TestClient_WatchGet(t *testing.T) {
c, s := makeClient(t)
defer s.stop()
kv := c.KV()
// Get a get without a key
key := testKey()
pair, meta, err := kv.Get(key, nil)
if err != nil {
t.Fatalf("err: %v", err)
}
if pair != nil {
t.Fatalf("unexpected value: %#v", pair)
}
if meta.LastIndex == 0 {
t.Fatalf("unexpected value: %#v", meta)
}
// Put the key
value := []byte("test")
go func() {
kv := c.KV()
time.Sleep(100 * time.Millisecond)
p := &KVPair{Key: key, Flags: 42, Value: value}
if _, err := kv.Put(p, nil); err != nil {
t.Fatalf("err: %v", err)
}
}()
// Get should work
options := &QueryOptions{WaitIndex: meta.LastIndex}
pair, meta2, err := kv.Get(key, options)
if err != nil {
t.Fatalf("err: %v", err)
}
if pair == nil {
t.Fatalf("expected value: %#v", pair)
}
if !bytes.Equal(pair.Value, value) {
t.Fatalf("unexpected value: %#v", pair)
}
if pair.Flags != 42 {
t.Fatalf("unexpected value: %#v", pair)
}
if meta2.LastIndex <= meta.LastIndex {
t.Fatalf("unexpected value: %#v", meta2)
}
}
func TestClient_WatchList(t *testing.T) {
c, s := makeClient(t)
defer s.stop()
kv := c.KV()
// Get a get without a key
prefix := testKey()
key := path.Join(prefix, testKey())
pairs, meta, err := kv.List(prefix, nil)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(pairs) != 0 {
t.Fatalf("unexpected value: %#v", pairs)
}
if meta.LastIndex == 0 {
t.Fatalf("unexpected value: %#v", meta)
}
// Put the key
value := []byte("test")
go func() {
kv := c.KV()
time.Sleep(100 * time.Millisecond)
p := &KVPair{Key: key, Flags: 42, Value: value}
if _, err := kv.Put(p, nil); err != nil {
t.Fatalf("err: %v", err)
}
}()
// Get should work
options := &QueryOptions{WaitIndex: meta.LastIndex}
pairs, meta2, err := kv.List(prefix, options)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(pairs) != 1 {
t.Fatalf("expected value: %#v", pairs)
}
if !bytes.Equal(pairs[0].Value, value) {
t.Fatalf("unexpected value: %#v", pairs)
}
if pairs[0].Flags != 42 {
t.Fatalf("unexpected value: %#v", pairs)
}
if meta2.LastIndex <= meta.LastIndex {
t.Fatalf("unexpected value: %#v", meta2)
}
}
func TestClient_Keys_DeleteRecurse(t *testing.T) {
c, s := makeClient(t)
defer s.stop()
kv := c.KV()
// Generate some test keys
prefix := testKey()
var keys []string
for i := 0; i < 100; i++ {
keys = append(keys, path.Join(prefix, testKey()))
}
// Set values
value := []byte("test")
for _, key := range keys {
p := &KVPair{Key: key, Value: value}
if _, err := kv.Put(p, nil); err != nil {
t.Fatalf("err: %v", err)
}
}
// List the values
out, meta, err := kv.Keys(prefix, "", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(out) != len(keys) {
t.Fatalf("got %d keys", len(out))
}
if meta.LastIndex == 0 {
t.Fatalf("unexpected value: %#v", meta)
}
// Delete all
if _, err := kv.DeleteTree(prefix, nil); err != nil {
t.Fatalf("err: %v", err)
}
// List the values
out, _, err = kv.Keys(prefix, "", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(out) != 0 {
t.Fatalf("got %d keys", len(out))
}
}
func TestClient_AcquireRelease(t *testing.T) {
c, s := makeClient(t)
defer s.stop()
session := c.Session()
kv := c.KV()
// Make a session
id, _, err := session.CreateNoChecks(nil, nil)
if err != nil {
t.Fatalf("err: %v", err)
}
defer session.Destroy(id, nil)
// Acquire the key
key := testKey()
value := []byte("test")
p := &KVPair{Key: key, Value: value, Session: id}
if work, _, err := kv.Acquire(p, nil); err != nil {
t.Fatalf("err: %v", err)
} else if !work {
t.Fatalf("Lock failure")
}
// Get should work
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)
}
// Release
if work, _, err := kv.Release(p, nil); err != nil {
t.Fatalf("err: %v", err)
} else if !work {
t.Fatalf("Release fail")
}
// Get should work
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 != "" {
t.Fatalf("Expected unlock: %v", pair)
}
if meta.LastIndex == 0 {
t.Fatalf("unexpected value: %#v", meta)
}
}