mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
997 lines
32 KiB
Go
997 lines
32 KiB
Go
// Copyright 2015 CoreOS, Inc.
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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 store
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import (
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"testing"
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"time"
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"github.com/coreos/etcd/Godeps/_workspace/src/github.com/jonboulle/clockwork"
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"github.com/coreos/etcd/Godeps/_workspace/src/github.com/stretchr/testify/assert"
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etcdErr "github.com/coreos/etcd/error"
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)
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func TestNewStoreWithNamespaces(t *testing.T) {
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s := newStore("/0", "/1")
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_, err := s.Get("/0", false, false)
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assert.Nil(t, err, "")
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_, err = s.Get("/1", false, false)
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assert.Nil(t, err, "")
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}
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// Ensure that the store can retrieve an existing value.
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func TestStoreGetValue(t *testing.T) {
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s := newStore()
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s.Create("/foo", false, "bar", false, Permanent)
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var eidx uint64 = 1
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e, err := s.Get("/foo", false, false)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "get", "")
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assert.Equal(t, e.Node.Key, "/foo", "")
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assert.Equal(t, *e.Node.Value, "bar", "")
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}
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// Ensure that any TTL <= minExpireTime becomes Permanent
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func TestMinExpireTime(t *testing.T) {
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s := newStore()
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fc := clockwork.NewFakeClock()
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s.clock = fc
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// FakeClock starts at 0, so minExpireTime should be far in the future.. but just in case
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assert.True(t, minExpireTime.After(fc.Now()), "minExpireTime should be ahead of FakeClock!")
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s.Create("/foo", false, "Y", false, fc.Now().Add(3*time.Second))
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fc.Advance(5 * time.Second)
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// Ensure it hasn't expired
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s.DeleteExpiredKeys(fc.Now())
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var eidx uint64 = 1
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e, err := s.Get("/foo", true, false)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "get", "")
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assert.Equal(t, e.Node.Key, "/foo", "")
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assert.Equal(t, e.Node.TTL, 0)
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}
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// Ensure that the store can recrusively retrieve a directory listing.
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// Note that hidden files should not be returned.
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func TestStoreGetDirectory(t *testing.T) {
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s := newStore()
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fc := newFakeClock()
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s.clock = fc
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s.Create("/foo", true, "", false, Permanent)
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s.Create("/foo/bar", false, "X", false, Permanent)
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s.Create("/foo/_hidden", false, "*", false, Permanent)
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s.Create("/foo/baz", true, "", false, Permanent)
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s.Create("/foo/baz/bat", false, "Y", false, Permanent)
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s.Create("/foo/baz/_hidden", false, "*", false, Permanent)
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s.Create("/foo/baz/ttl", false, "Y", false, fc.Now().Add(time.Second*3))
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var eidx uint64 = 7
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e, err := s.Get("/foo", true, false)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "get", "")
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assert.Equal(t, e.Node.Key, "/foo", "")
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assert.Equal(t, len(e.Node.Nodes), 2, "")
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var bazNodes NodeExterns
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for _, node := range e.Node.Nodes {
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switch node.Key {
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case "/foo/bar":
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assert.Equal(t, *node.Value, "X", "")
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assert.Equal(t, node.Dir, false, "")
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case "/foo/baz":
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assert.Equal(t, node.Dir, true, "")
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assert.Equal(t, len(node.Nodes), 2, "")
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bazNodes = node.Nodes
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default:
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t.Errorf("key = %s, not matched", node.Key)
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}
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}
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for _, node := range bazNodes {
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switch node.Key {
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case "/foo/baz/bat":
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assert.Equal(t, *node.Value, "Y", "")
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assert.Equal(t, node.Dir, false, "")
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case "/foo/baz/ttl":
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assert.Equal(t, *node.Value, "Y", "")
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assert.Equal(t, node.Dir, false, "")
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assert.Equal(t, node.TTL, 3, "")
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default:
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t.Errorf("key = %s, not matched", node.Key)
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}
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}
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}
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// Ensure that the store can retrieve a directory in sorted order.
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func TestStoreGetSorted(t *testing.T) {
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s := newStore()
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s.Create("/foo", true, "", false, Permanent)
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s.Create("/foo/x", false, "0", false, Permanent)
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s.Create("/foo/z", false, "0", false, Permanent)
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s.Create("/foo/y", true, "", false, Permanent)
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s.Create("/foo/y/a", false, "0", false, Permanent)
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s.Create("/foo/y/b", false, "0", false, Permanent)
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var eidx uint64 = 6
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e, err := s.Get("/foo", true, true)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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var yNodes NodeExterns
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for _, node := range e.Node.Nodes {
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switch node.Key {
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case "/foo/x":
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case "/foo/y":
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yNodes = node.Nodes
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case "/foo/z":
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default:
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t.Errorf("key = %s, not matched", node.Key)
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}
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}
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for _, node := range yNodes {
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switch node.Key {
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case "/foo/y/a":
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case "/foo/y/b":
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default:
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t.Errorf("key = %s, not matched", node.Key)
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}
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}
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}
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func TestSet(t *testing.T) {
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s := newStore()
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// Set /foo=""
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var eidx uint64 = 1
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e, err := s.Set("/foo", false, "", Permanent)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "set", "")
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assert.Equal(t, e.Node.Key, "/foo", "")
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assert.False(t, e.Node.Dir, "")
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assert.Equal(t, *e.Node.Value, "", "")
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assert.Nil(t, e.Node.Nodes, "")
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assert.Nil(t, e.Node.Expiration, "")
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assert.Equal(t, e.Node.TTL, 0, "")
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assert.Equal(t, e.Node.ModifiedIndex, uint64(1), "")
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// Set /foo="bar"
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eidx = 2
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e, err = s.Set("/foo", false, "bar", Permanent)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "set", "")
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assert.Equal(t, e.Node.Key, "/foo", "")
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assert.False(t, e.Node.Dir, "")
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assert.Equal(t, *e.Node.Value, "bar", "")
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assert.Nil(t, e.Node.Nodes, "")
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assert.Nil(t, e.Node.Expiration, "")
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assert.Equal(t, e.Node.TTL, 0, "")
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assert.Equal(t, e.Node.ModifiedIndex, uint64(2), "")
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// check prevNode
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assert.NotNil(t, e.PrevNode, "")
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assert.Equal(t, e.PrevNode.Key, "/foo", "")
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assert.Equal(t, *e.PrevNode.Value, "", "")
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assert.Equal(t, e.PrevNode.ModifiedIndex, uint64(1), "")
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// Set /foo="baz" (for testing prevNode)
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eidx = 3
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e, err = s.Set("/foo", false, "baz", Permanent)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "set", "")
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assert.Equal(t, e.Node.Key, "/foo", "")
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assert.False(t, e.Node.Dir, "")
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assert.Equal(t, *e.Node.Value, "baz", "")
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assert.Nil(t, e.Node.Nodes, "")
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assert.Nil(t, e.Node.Expiration, "")
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assert.Equal(t, e.Node.TTL, 0, "")
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assert.Equal(t, e.Node.ModifiedIndex, uint64(3), "")
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// check prevNode
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assert.NotNil(t, e.PrevNode, "")
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assert.Equal(t, e.PrevNode.Key, "/foo", "")
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assert.Equal(t, *e.PrevNode.Value, "bar", "")
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assert.Equal(t, e.PrevNode.ModifiedIndex, uint64(2), "")
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// Set /dir as a directory
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eidx = 4
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e, err = s.Set("/dir", true, "", Permanent)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "set", "")
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assert.Equal(t, e.Node.Key, "/dir", "")
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assert.True(t, e.Node.Dir, "")
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assert.Nil(t, e.Node.Value)
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assert.Nil(t, e.Node.Nodes, "")
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assert.Nil(t, e.Node.Expiration, "")
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assert.Equal(t, e.Node.TTL, 0, "")
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assert.Equal(t, e.Node.ModifiedIndex, uint64(4), "")
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}
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// Ensure that the store can create a new key if it doesn't already exist.
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func TestStoreCreateValue(t *testing.T) {
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s := newStore()
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// Create /foo=bar
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var eidx uint64 = 1
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e, err := s.Create("/foo", false, "bar", false, Permanent)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "create", "")
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assert.Equal(t, e.Node.Key, "/foo", "")
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assert.False(t, e.Node.Dir, "")
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assert.Equal(t, *e.Node.Value, "bar", "")
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assert.Nil(t, e.Node.Nodes, "")
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assert.Nil(t, e.Node.Expiration, "")
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assert.Equal(t, e.Node.TTL, 0, "")
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assert.Equal(t, e.Node.ModifiedIndex, uint64(1), "")
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// Create /empty=""
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eidx = 2
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e, err = s.Create("/empty", false, "", false, Permanent)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "create", "")
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assert.Equal(t, e.Node.Key, "/empty", "")
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assert.False(t, e.Node.Dir, "")
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assert.Equal(t, *e.Node.Value, "", "")
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assert.Nil(t, e.Node.Nodes, "")
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assert.Nil(t, e.Node.Expiration, "")
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assert.Equal(t, e.Node.TTL, 0, "")
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assert.Equal(t, e.Node.ModifiedIndex, uint64(2), "")
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}
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// Ensure that the store can create a new directory if it doesn't already exist.
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func TestStoreCreateDirectory(t *testing.T) {
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s := newStore()
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var eidx uint64 = 1
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e, err := s.Create("/foo", true, "", false, Permanent)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "create", "")
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assert.Equal(t, e.Node.Key, "/foo", "")
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assert.True(t, e.Node.Dir, "")
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}
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// Ensure that the store fails to create a key if it already exists.
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func TestStoreCreateFailsIfExists(t *testing.T) {
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s := newStore()
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// create /foo as dir
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s.Create("/foo", true, "", false, Permanent)
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// create /foo as dir again
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e, _err := s.Create("/foo", true, "", false, Permanent)
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err := _err.(*etcdErr.Error)
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assert.Equal(t, err.ErrorCode, etcdErr.EcodeNodeExist, "")
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assert.Equal(t, err.Message, "Key already exists", "")
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assert.Equal(t, err.Cause, "/foo", "")
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assert.Equal(t, err.Index, uint64(1), "")
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assert.Nil(t, e, 0, "")
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}
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// Ensure that the store can update a key if it already exists.
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func TestStoreUpdateValue(t *testing.T) {
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s := newStore()
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// create /foo=bar
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s.Create("/foo", false, "bar", false, Permanent)
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// update /foo="bzr"
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var eidx uint64 = 2
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e, err := s.Update("/foo", "baz", Permanent)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "update", "")
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assert.Equal(t, e.Node.Key, "/foo", "")
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assert.False(t, e.Node.Dir, "")
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assert.Equal(t, *e.Node.Value, "baz", "")
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assert.Equal(t, e.Node.TTL, 0, "")
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assert.Equal(t, e.Node.ModifiedIndex, uint64(2), "")
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// check prevNode
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assert.Equal(t, e.PrevNode.Key, "/foo", "")
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assert.Equal(t, *e.PrevNode.Value, "bar", "")
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assert.Equal(t, e.PrevNode.TTL, 0, "")
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assert.Equal(t, e.PrevNode.ModifiedIndex, uint64(1), "")
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e, _ = s.Get("/foo", false, false)
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assert.Equal(t, *e.Node.Value, "baz", "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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// update /foo=""
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eidx = 3
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e, err = s.Update("/foo", "", Permanent)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "update", "")
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assert.Equal(t, e.Node.Key, "/foo", "")
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assert.False(t, e.Node.Dir, "")
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assert.Equal(t, *e.Node.Value, "", "")
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assert.Equal(t, e.Node.TTL, 0, "")
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assert.Equal(t, e.Node.ModifiedIndex, uint64(3), "")
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// check prevNode
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assert.Equal(t, e.PrevNode.Key, "/foo", "")
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assert.Equal(t, *e.PrevNode.Value, "baz", "")
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assert.Equal(t, e.PrevNode.TTL, 0, "")
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assert.Equal(t, e.PrevNode.ModifiedIndex, uint64(2), "")
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e, _ = s.Get("/foo", false, false)
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, *e.Node.Value, "", "")
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}
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// Ensure that the store cannot update a directory.
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func TestStoreUpdateFailsIfDirectory(t *testing.T) {
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s := newStore()
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s.Create("/foo", true, "", false, Permanent)
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e, _err := s.Update("/foo", "baz", Permanent)
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err := _err.(*etcdErr.Error)
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assert.Equal(t, err.ErrorCode, etcdErr.EcodeNotFile, "")
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assert.Equal(t, err.Message, "Not a file", "")
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assert.Equal(t, err.Cause, "/foo", "")
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assert.Nil(t, e, "")
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}
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// Ensure that the store can update the TTL on a value.
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func TestStoreUpdateValueTTL(t *testing.T) {
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s := newStore()
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fc := newFakeClock()
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s.clock = fc
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var eidx uint64 = 2
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s.Create("/foo", false, "bar", false, Permanent)
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_, err := s.Update("/foo", "baz", fc.Now().Add(500*time.Millisecond))
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e, _ := s.Get("/foo", false, false)
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assert.Equal(t, *e.Node.Value, "baz", "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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fc.Advance(600 * time.Millisecond)
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s.DeleteExpiredKeys(fc.Now())
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e, err = s.Get("/foo", false, false)
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assert.Nil(t, e, "")
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assert.Equal(t, err.(*etcdErr.Error).ErrorCode, etcdErr.EcodeKeyNotFound, "")
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}
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// Ensure that the store can update the TTL on a directory.
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func TestStoreUpdateDirTTL(t *testing.T) {
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s := newStore()
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fc := newFakeClock()
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s.clock = fc
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var eidx uint64 = 3
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s.Create("/foo", true, "", false, Permanent)
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s.Create("/foo/bar", false, "baz", false, Permanent)
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e, err := s.Update("/foo", "", fc.Now().Add(500*time.Millisecond))
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assert.Equal(t, e.Node.Dir, true, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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e, _ = s.Get("/foo/bar", false, false)
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assert.Equal(t, *e.Node.Value, "baz", "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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fc.Advance(600 * time.Millisecond)
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s.DeleteExpiredKeys(fc.Now())
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e, err = s.Get("/foo/bar", false, false)
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assert.Nil(t, e, "")
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assert.Equal(t, err.(*etcdErr.Error).ErrorCode, etcdErr.EcodeKeyNotFound, "")
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}
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// Ensure that the store can delete a value.
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func TestStoreDeleteValue(t *testing.T) {
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s := newStore()
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var eidx uint64 = 2
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s.Create("/foo", false, "bar", false, Permanent)
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e, err := s.Delete("/foo", false, false)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "delete", "")
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// check prevNode
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assert.NotNil(t, e.PrevNode, "")
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assert.Equal(t, e.PrevNode.Key, "/foo", "")
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assert.Equal(t, *e.PrevNode.Value, "bar", "")
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}
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// Ensure that the store can delete a directory if recursive is specified.
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func TestStoreDeleteDiretory(t *testing.T) {
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s := newStore()
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// create directory /foo
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var eidx uint64 = 2
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s.Create("/foo", true, "", false, Permanent)
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// delete /foo with dir = true and recursive = false
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// this should succeed, since the directory is empty
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e, err := s.Delete("/foo", true, false)
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assert.Nil(t, err, "")
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assert.Equal(t, e.EtcdIndex, eidx, "")
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assert.Equal(t, e.Action, "delete", "")
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// check prevNode
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assert.NotNil(t, e.PrevNode, "")
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assert.Equal(t, e.PrevNode.Key, "/foo", "")
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assert.Equal(t, e.PrevNode.Dir, true, "")
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// create directory /foo and directory /foo/bar
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s.Create("/foo/bar", true, "", false, Permanent)
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// delete /foo with dir = true and recursive = false
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// this should fail, since the directory is not empty
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_, err = s.Delete("/foo", true, false)
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assert.NotNil(t, err, "")
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// delete /foo with dir=false and recursive = true
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// this should succeed, since recursive implies dir=true
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// and recursively delete should be able to delete all
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// items under the given directory
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e, err = s.Delete("/foo", false, true)
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assert.Nil(t, err, "")
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assert.Equal(t, e.Action, "delete", "")
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|
|
|
}
|
|
|
|
// Ensure that the store cannot delete a directory if both of recursive
|
|
// and dir are not specified.
|
|
func TestStoreDeleteDiretoryFailsIfNonRecursiveAndDir(t *testing.T) {
|
|
s := newStore()
|
|
s.Create("/foo", true, "", false, Permanent)
|
|
e, _err := s.Delete("/foo", false, false)
|
|
err := _err.(*etcdErr.Error)
|
|
assert.Equal(t, err.ErrorCode, etcdErr.EcodeNotFile, "")
|
|
assert.Equal(t, err.Message, "Not a file", "")
|
|
assert.Nil(t, e, "")
|
|
}
|
|
|
|
func TestRootRdOnly(t *testing.T) {
|
|
s := newStore("/0")
|
|
|
|
for _, tt := range []string{"/", "/0"} {
|
|
_, err := s.Set(tt, true, "", Permanent)
|
|
assert.NotNil(t, err, "")
|
|
|
|
_, err = s.Delete(tt, true, true)
|
|
assert.NotNil(t, err, "")
|
|
|
|
_, err = s.Create(tt, true, "", false, Permanent)
|
|
assert.NotNil(t, err, "")
|
|
|
|
_, err = s.Update(tt, "", Permanent)
|
|
assert.NotNil(t, err, "")
|
|
|
|
_, err = s.CompareAndSwap(tt, "", 0, "", Permanent)
|
|
assert.NotNil(t, err, "")
|
|
}
|
|
}
|
|
|
|
func TestStoreCompareAndDeletePrevValue(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 2
|
|
s.Create("/foo", false, "bar", false, Permanent)
|
|
e, err := s.CompareAndDelete("/foo", "bar", 0)
|
|
assert.Nil(t, err, "")
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "compareAndDelete", "")
|
|
assert.Equal(t, e.Node.Key, "/foo", "")
|
|
|
|
// check pervNode
|
|
assert.NotNil(t, e.PrevNode, "")
|
|
assert.Equal(t, e.PrevNode.Key, "/foo", "")
|
|
assert.Equal(t, *e.PrevNode.Value, "bar", "")
|
|
assert.Equal(t, e.PrevNode.ModifiedIndex, uint64(1), "")
|
|
assert.Equal(t, e.PrevNode.CreatedIndex, uint64(1), "")
|
|
}
|
|
|
|
func TestStoreCompareAndDeletePrevValueFailsIfNotMatch(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 1
|
|
s.Create("/foo", false, "bar", false, Permanent)
|
|
e, _err := s.CompareAndDelete("/foo", "baz", 0)
|
|
err := _err.(*etcdErr.Error)
|
|
assert.Equal(t, err.ErrorCode, etcdErr.EcodeTestFailed, "")
|
|
assert.Equal(t, err.Message, "Compare failed", "")
|
|
assert.Nil(t, e, "")
|
|
e, _ = s.Get("/foo", false, false)
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, *e.Node.Value, "bar", "")
|
|
}
|
|
|
|
func TestStoreCompareAndDeletePrevIndex(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 2
|
|
s.Create("/foo", false, "bar", false, Permanent)
|
|
e, err := s.CompareAndDelete("/foo", "", 1)
|
|
assert.Nil(t, err, "")
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "compareAndDelete", "")
|
|
// check pervNode
|
|
assert.NotNil(t, e.PrevNode, "")
|
|
assert.Equal(t, e.PrevNode.Key, "/foo", "")
|
|
assert.Equal(t, *e.PrevNode.Value, "bar", "")
|
|
assert.Equal(t, e.PrevNode.ModifiedIndex, uint64(1), "")
|
|
assert.Equal(t, e.PrevNode.CreatedIndex, uint64(1), "")
|
|
}
|
|
|
|
func TestStoreCompareAndDeletePrevIndexFailsIfNotMatch(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 1
|
|
s.Create("/foo", false, "bar", false, Permanent)
|
|
e, _err := s.CompareAndDelete("/foo", "", 100)
|
|
assert.NotNil(t, _err, "")
|
|
err := _err.(*etcdErr.Error)
|
|
assert.Equal(t, err.ErrorCode, etcdErr.EcodeTestFailed, "")
|
|
assert.Equal(t, err.Message, "Compare failed", "")
|
|
assert.Nil(t, e, "")
|
|
e, _ = s.Get("/foo", false, false)
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, *e.Node.Value, "bar", "")
|
|
}
|
|
|
|
// Ensure that the store cannot delete a directory.
|
|
func TestStoreCompareAndDeleteDiretoryFail(t *testing.T) {
|
|
s := newStore()
|
|
s.Create("/foo", true, "", false, Permanent)
|
|
_, _err := s.CompareAndDelete("/foo", "", 0)
|
|
assert.NotNil(t, _err, "")
|
|
err := _err.(*etcdErr.Error)
|
|
assert.Equal(t, err.ErrorCode, etcdErr.EcodeNotFile, "")
|
|
}
|
|
|
|
// Ensure that the store can conditionally update a key if it has a previous value.
|
|
func TestStoreCompareAndSwapPrevValue(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 2
|
|
s.Create("/foo", false, "bar", false, Permanent)
|
|
e, err := s.CompareAndSwap("/foo", "bar", 0, "baz", Permanent)
|
|
assert.Nil(t, err, "")
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "compareAndSwap", "")
|
|
assert.Equal(t, *e.Node.Value, "baz", "")
|
|
// check pervNode
|
|
assert.NotNil(t, e.PrevNode, "")
|
|
assert.Equal(t, e.PrevNode.Key, "/foo", "")
|
|
assert.Equal(t, *e.PrevNode.Value, "bar", "")
|
|
assert.Equal(t, e.PrevNode.ModifiedIndex, uint64(1), "")
|
|
assert.Equal(t, e.PrevNode.CreatedIndex, uint64(1), "")
|
|
|
|
e, _ = s.Get("/foo", false, false)
|
|
assert.Equal(t, *e.Node.Value, "baz", "")
|
|
}
|
|
|
|
// Ensure that the store cannot conditionally update a key if it has the wrong previous value.
|
|
func TestStoreCompareAndSwapPrevValueFailsIfNotMatch(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 1
|
|
s.Create("/foo", false, "bar", false, Permanent)
|
|
e, _err := s.CompareAndSwap("/foo", "wrong_value", 0, "baz", Permanent)
|
|
err := _err.(*etcdErr.Error)
|
|
assert.Equal(t, err.ErrorCode, etcdErr.EcodeTestFailed, "")
|
|
assert.Equal(t, err.Message, "Compare failed", "")
|
|
assert.Nil(t, e, "")
|
|
e, _ = s.Get("/foo", false, false)
|
|
assert.Equal(t, *e.Node.Value, "bar", "")
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
}
|
|
|
|
// Ensure that the store can conditionally update a key if it has a previous index.
|
|
func TestStoreCompareAndSwapPrevIndex(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 2
|
|
s.Create("/foo", false, "bar", false, Permanent)
|
|
e, err := s.CompareAndSwap("/foo", "", 1, "baz", Permanent)
|
|
assert.Nil(t, err, "")
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "compareAndSwap", "")
|
|
assert.Equal(t, *e.Node.Value, "baz", "")
|
|
// check prevNode
|
|
assert.NotNil(t, e.PrevNode, "")
|
|
assert.Equal(t, e.PrevNode.Key, "/foo", "")
|
|
assert.Equal(t, *e.PrevNode.Value, "bar", "")
|
|
assert.Equal(t, e.PrevNode.ModifiedIndex, uint64(1), "")
|
|
assert.Equal(t, e.PrevNode.CreatedIndex, uint64(1), "")
|
|
|
|
e, _ = s.Get("/foo", false, false)
|
|
assert.Equal(t, *e.Node.Value, "baz", "")
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
}
|
|
|
|
// Ensure that the store cannot conditionally update a key if it has the wrong previous index.
|
|
func TestStoreCompareAndSwapPrevIndexFailsIfNotMatch(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 1
|
|
s.Create("/foo", false, "bar", false, Permanent)
|
|
e, _err := s.CompareAndSwap("/foo", "", 100, "baz", Permanent)
|
|
err := _err.(*etcdErr.Error)
|
|
assert.Equal(t, err.ErrorCode, etcdErr.EcodeTestFailed, "")
|
|
assert.Equal(t, err.Message, "Compare failed", "")
|
|
assert.Nil(t, e, "")
|
|
e, _ = s.Get("/foo", false, false)
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, *e.Node.Value, "bar", "")
|
|
}
|
|
|
|
// Ensure that the store can watch for key creation.
|
|
func TestStoreWatchCreate(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 0
|
|
w, _ := s.Watch("/foo", false, false, 0)
|
|
c := w.EventChan()
|
|
assert.Equal(t, w.StartIndex(), eidx, "")
|
|
s.Create("/foo", false, "bar", false, Permanent)
|
|
eidx = 1
|
|
e := nbselect(c)
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "create", "")
|
|
assert.Equal(t, e.Node.Key, "/foo", "")
|
|
e = nbselect(c)
|
|
assert.Nil(t, e, "")
|
|
}
|
|
|
|
// Ensure that the store can watch for recursive key creation.
|
|
func TestStoreWatchRecursiveCreate(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 0
|
|
w, _ := s.Watch("/foo", true, false, 0)
|
|
assert.Equal(t, w.StartIndex(), eidx, "")
|
|
eidx = 1
|
|
s.Create("/foo/bar", false, "baz", false, Permanent)
|
|
e := nbselect(w.EventChan())
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "create", "")
|
|
assert.Equal(t, e.Node.Key, "/foo/bar", "")
|
|
}
|
|
|
|
// Ensure that the store can watch for key updates.
|
|
func TestStoreWatchUpdate(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 1
|
|
s.Create("/foo", false, "bar", false, Permanent)
|
|
w, _ := s.Watch("/foo", false, false, 0)
|
|
assert.Equal(t, w.StartIndex(), eidx, "")
|
|
eidx = 2
|
|
s.Update("/foo", "baz", Permanent)
|
|
e := nbselect(w.EventChan())
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "update", "")
|
|
assert.Equal(t, e.Node.Key, "/foo", "")
|
|
}
|
|
|
|
// Ensure that the store can watch for recursive key updates.
|
|
func TestStoreWatchRecursiveUpdate(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 1
|
|
s.Create("/foo/bar", false, "baz", false, Permanent)
|
|
w, _ := s.Watch("/foo", true, false, 0)
|
|
assert.Equal(t, w.StartIndex(), eidx, "")
|
|
eidx = 2
|
|
s.Update("/foo/bar", "baz", Permanent)
|
|
e := nbselect(w.EventChan())
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "update", "")
|
|
assert.Equal(t, e.Node.Key, "/foo/bar", "")
|
|
}
|
|
|
|
// Ensure that the store can watch for key deletions.
|
|
func TestStoreWatchDelete(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 1
|
|
s.Create("/foo", false, "bar", false, Permanent)
|
|
w, _ := s.Watch("/foo", false, false, 0)
|
|
assert.Equal(t, w.StartIndex(), eidx, "")
|
|
eidx = 2
|
|
s.Delete("/foo", false, false)
|
|
e := nbselect(w.EventChan())
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "delete", "")
|
|
assert.Equal(t, e.Node.Key, "/foo", "")
|
|
}
|
|
|
|
// Ensure that the store can watch for recursive key deletions.
|
|
func TestStoreWatchRecursiveDelete(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 1
|
|
s.Create("/foo/bar", false, "baz", false, Permanent)
|
|
w, _ := s.Watch("/foo", true, false, 0)
|
|
assert.Equal(t, w.StartIndex(), eidx, "")
|
|
eidx = 2
|
|
s.Delete("/foo/bar", false, false)
|
|
e := nbselect(w.EventChan())
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "delete", "")
|
|
assert.Equal(t, e.Node.Key, "/foo/bar", "")
|
|
}
|
|
|
|
// Ensure that the store can watch for CAS updates.
|
|
func TestStoreWatchCompareAndSwap(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 1
|
|
s.Create("/foo", false, "bar", false, Permanent)
|
|
w, _ := s.Watch("/foo", false, false, 0)
|
|
assert.Equal(t, w.StartIndex(), eidx, "")
|
|
eidx = 2
|
|
s.CompareAndSwap("/foo", "bar", 0, "baz", Permanent)
|
|
e := nbselect(w.EventChan())
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "compareAndSwap", "")
|
|
assert.Equal(t, e.Node.Key, "/foo", "")
|
|
}
|
|
|
|
// Ensure that the store can watch for recursive CAS updates.
|
|
func TestStoreWatchRecursiveCompareAndSwap(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 1
|
|
s.Create("/foo/bar", false, "baz", false, Permanent)
|
|
w, _ := s.Watch("/foo", true, false, 0)
|
|
assert.Equal(t, w.StartIndex(), eidx, "")
|
|
eidx = 2
|
|
s.CompareAndSwap("/foo/bar", "baz", 0, "bat", Permanent)
|
|
e := nbselect(w.EventChan())
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "compareAndSwap", "")
|
|
assert.Equal(t, e.Node.Key, "/foo/bar", "")
|
|
}
|
|
|
|
// Ensure that the store can watch for key expiration.
|
|
func TestStoreWatchExpire(t *testing.T) {
|
|
s := newStore()
|
|
fc := newFakeClock()
|
|
s.clock = fc
|
|
|
|
var eidx uint64 = 2
|
|
s.Create("/foo", false, "bar", false, fc.Now().Add(500*time.Millisecond))
|
|
s.Create("/foofoo", false, "barbarbar", false, fc.Now().Add(500*time.Millisecond))
|
|
|
|
w, _ := s.Watch("/", true, false, 0)
|
|
assert.Equal(t, w.StartIndex(), eidx, "")
|
|
c := w.EventChan()
|
|
e := nbselect(c)
|
|
assert.Nil(t, e, "")
|
|
fc.Advance(600 * time.Millisecond)
|
|
s.DeleteExpiredKeys(fc.Now())
|
|
eidx = 3
|
|
e = nbselect(c)
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "expire", "")
|
|
assert.Equal(t, e.Node.Key, "/foo", "")
|
|
w, _ = s.Watch("/", true, false, 4)
|
|
eidx = 4
|
|
assert.Equal(t, w.StartIndex(), eidx, "")
|
|
e = nbselect(w.EventChan())
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "expire", "")
|
|
assert.Equal(t, e.Node.Key, "/foofoo", "")
|
|
}
|
|
|
|
// Ensure that the store can watch in streaming mode.
|
|
func TestStoreWatchStream(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 1
|
|
w, _ := s.Watch("/foo", false, true, 0)
|
|
// first modification
|
|
s.Create("/foo", false, "bar", false, Permanent)
|
|
e := nbselect(w.EventChan())
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "create", "")
|
|
assert.Equal(t, e.Node.Key, "/foo", "")
|
|
assert.Equal(t, *e.Node.Value, "bar", "")
|
|
e = nbselect(w.EventChan())
|
|
assert.Nil(t, e, "")
|
|
// second modification
|
|
eidx = 2
|
|
s.Update("/foo", "baz", Permanent)
|
|
e = nbselect(w.EventChan())
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "update", "")
|
|
assert.Equal(t, e.Node.Key, "/foo", "")
|
|
assert.Equal(t, *e.Node.Value, "baz", "")
|
|
e = nbselect(w.EventChan())
|
|
assert.Nil(t, e, "")
|
|
}
|
|
|
|
// Ensure that the store can recover from a previously saved state.
|
|
func TestStoreRecover(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 4
|
|
s.Create("/foo", true, "", false, Permanent)
|
|
s.Create("/foo/x", false, "bar", false, Permanent)
|
|
s.Update("/foo/x", "barbar", Permanent)
|
|
s.Create("/foo/y", false, "baz", false, Permanent)
|
|
b, err := s.Save()
|
|
|
|
s2 := newStore()
|
|
s2.Recovery(b)
|
|
|
|
e, err := s.Get("/foo/x", false, false)
|
|
assert.Equal(t, e.Node.CreatedIndex, uint64(2), "")
|
|
assert.Equal(t, e.Node.ModifiedIndex, uint64(3), "")
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Nil(t, err, "")
|
|
assert.Equal(t, *e.Node.Value, "barbar", "")
|
|
|
|
e, err = s.Get("/foo/y", false, false)
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Nil(t, err, "")
|
|
assert.Equal(t, *e.Node.Value, "baz", "")
|
|
}
|
|
|
|
// Ensure that the store can recover from a previously saved state that includes an expiring key.
|
|
func TestStoreRecoverWithExpiration(t *testing.T) {
|
|
s := newStore()
|
|
s.clock = newFakeClock()
|
|
|
|
fc := newFakeClock()
|
|
|
|
var eidx uint64 = 4
|
|
s.Create("/foo", true, "", false, Permanent)
|
|
s.Create("/foo/x", false, "bar", false, Permanent)
|
|
s.Create("/foo/y", false, "baz", false, fc.Now().Add(5*time.Millisecond))
|
|
b, err := s.Save()
|
|
|
|
time.Sleep(10 * time.Millisecond)
|
|
|
|
s2 := newStore()
|
|
s2.clock = fc
|
|
|
|
s2.Recovery(b)
|
|
|
|
fc.Advance(600 * time.Millisecond)
|
|
s.DeleteExpiredKeys(fc.Now())
|
|
|
|
e, err := s.Get("/foo/x", false, false)
|
|
assert.Nil(t, err, "")
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, *e.Node.Value, "bar", "")
|
|
|
|
e, err = s.Get("/foo/y", false, false)
|
|
assert.NotNil(t, err, "")
|
|
assert.Nil(t, e, "")
|
|
}
|
|
|
|
// Ensure that the store can watch for hidden keys as long as it's an exact path match.
|
|
func TestStoreWatchCreateWithHiddenKey(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 1
|
|
w, _ := s.Watch("/_foo", false, false, 0)
|
|
s.Create("/_foo", false, "bar", false, Permanent)
|
|
e := nbselect(w.EventChan())
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "create", "")
|
|
assert.Equal(t, e.Node.Key, "/_foo", "")
|
|
e = nbselect(w.EventChan())
|
|
assert.Nil(t, e, "")
|
|
}
|
|
|
|
// Ensure that the store doesn't see hidden key creates without an exact path match in recursive mode.
|
|
func TestStoreWatchRecursiveCreateWithHiddenKey(t *testing.T) {
|
|
s := newStore()
|
|
w, _ := s.Watch("/foo", true, false, 0)
|
|
s.Create("/foo/_bar", false, "baz", false, Permanent)
|
|
e := nbselect(w.EventChan())
|
|
assert.Nil(t, e, "")
|
|
w, _ = s.Watch("/foo", true, false, 0)
|
|
s.Create("/foo/_baz", true, "", false, Permanent)
|
|
e = nbselect(w.EventChan())
|
|
assert.Nil(t, e, "")
|
|
s.Create("/foo/_baz/quux", false, "quux", false, Permanent)
|
|
e = nbselect(w.EventChan())
|
|
assert.Nil(t, e, "")
|
|
}
|
|
|
|
// Ensure that the store doesn't see hidden key updates.
|
|
func TestStoreWatchUpdateWithHiddenKey(t *testing.T) {
|
|
s := newStore()
|
|
s.Create("/_foo", false, "bar", false, Permanent)
|
|
w, _ := s.Watch("/_foo", false, false, 0)
|
|
s.Update("/_foo", "baz", Permanent)
|
|
e := nbselect(w.EventChan())
|
|
assert.Equal(t, e.Action, "update", "")
|
|
assert.Equal(t, e.Node.Key, "/_foo", "")
|
|
e = nbselect(w.EventChan())
|
|
assert.Nil(t, e, "")
|
|
}
|
|
|
|
// Ensure that the store doesn't see hidden key updates without an exact path match in recursive mode.
|
|
func TestStoreWatchRecursiveUpdateWithHiddenKey(t *testing.T) {
|
|
s := newStore()
|
|
s.Create("/foo/_bar", false, "baz", false, Permanent)
|
|
w, _ := s.Watch("/foo", true, false, 0)
|
|
s.Update("/foo/_bar", "baz", Permanent)
|
|
e := nbselect(w.EventChan())
|
|
assert.Nil(t, e, "")
|
|
}
|
|
|
|
// Ensure that the store can watch for key deletions.
|
|
func TestStoreWatchDeleteWithHiddenKey(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 2
|
|
s.Create("/_foo", false, "bar", false, Permanent)
|
|
w, _ := s.Watch("/_foo", false, false, 0)
|
|
s.Delete("/_foo", false, false)
|
|
e := nbselect(w.EventChan())
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "delete", "")
|
|
assert.Equal(t, e.Node.Key, "/_foo", "")
|
|
e = nbselect(w.EventChan())
|
|
assert.Nil(t, e, "")
|
|
}
|
|
|
|
// Ensure that the store doesn't see hidden key deletes without an exact path match in recursive mode.
|
|
func TestStoreWatchRecursiveDeleteWithHiddenKey(t *testing.T) {
|
|
s := newStore()
|
|
s.Create("/foo/_bar", false, "baz", false, Permanent)
|
|
w, _ := s.Watch("/foo", true, false, 0)
|
|
s.Delete("/foo/_bar", false, false)
|
|
e := nbselect(w.EventChan())
|
|
assert.Nil(t, e, "")
|
|
}
|
|
|
|
// Ensure that the store doesn't see expirations of hidden keys.
|
|
func TestStoreWatchExpireWithHiddenKey(t *testing.T) {
|
|
s := newStore()
|
|
fc := newFakeClock()
|
|
s.clock = fc
|
|
|
|
s.Create("/_foo", false, "bar", false, fc.Now().Add(500*time.Millisecond))
|
|
s.Create("/foofoo", false, "barbarbar", false, fc.Now().Add(1000*time.Millisecond))
|
|
|
|
w, _ := s.Watch("/", true, false, 0)
|
|
c := w.EventChan()
|
|
e := nbselect(c)
|
|
assert.Nil(t, e, "")
|
|
fc.Advance(600 * time.Millisecond)
|
|
s.DeleteExpiredKeys(fc.Now())
|
|
e = nbselect(c)
|
|
assert.Nil(t, e, "")
|
|
fc.Advance(600 * time.Millisecond)
|
|
s.DeleteExpiredKeys(fc.Now())
|
|
e = nbselect(c)
|
|
assert.Equal(t, e.Action, "expire", "")
|
|
assert.Equal(t, e.Node.Key, "/foofoo", "")
|
|
}
|
|
|
|
// Ensure that the store does see hidden key creates if watching deeper than a hidden key in recursive mode.
|
|
func TestStoreWatchRecursiveCreateDeeperThanHiddenKey(t *testing.T) {
|
|
s := newStore()
|
|
var eidx uint64 = 1
|
|
w, _ := s.Watch("/_foo/bar", true, false, 0)
|
|
s.Create("/_foo/bar/baz", false, "baz", false, Permanent)
|
|
|
|
e := nbselect(w.EventChan())
|
|
assert.NotNil(t, e, "")
|
|
assert.Equal(t, e.EtcdIndex, eidx, "")
|
|
assert.Equal(t, e.Action, "create", "")
|
|
assert.Equal(t, e.Node.Key, "/_foo/bar/baz", "")
|
|
}
|
|
|
|
// Ensure that slow consumers are handled properly.
|
|
//
|
|
// Since Watcher.EventChan() has a buffer of size 1 we can only queue 1
|
|
// event per watcher. If the consumer cannot consume the event on time and
|
|
// another event arrives, the channel is closed and event is discarded.
|
|
// This test ensures that after closing the channel, the store can continue
|
|
// to operate correctly.
|
|
func TestStoreWatchSlowConsumer(t *testing.T) {
|
|
s := newStore()
|
|
s.Watch("/foo", true, true, 0) // stream must be true
|
|
s.Set("/foo", false, "1", Permanent) // ok
|
|
s.Set("/foo", false, "2", Permanent) // ok
|
|
s.Set("/foo", false, "3", Permanent) // must not panic
|
|
}
|
|
|
|
// Performs a non-blocking select on an event channel.
|
|
func nbselect(c <-chan *Event) *Event {
|
|
select {
|
|
case e := <-c:
|
|
return e
|
|
default:
|
|
return nil
|
|
}
|
|
}
|
|
|
|
// newFakeClock creates a new FakeClock that has been advanced to at least minExpireTime
|
|
func newFakeClock() clockwork.FakeClock {
|
|
fc := clockwork.NewFakeClock()
|
|
for minExpireTime.After(fc.Now()) {
|
|
fc.Advance((0x1 << 62) * time.Nanosecond)
|
|
}
|
|
return fc
|
|
}
|