etcd/storage/watchable_store_test.go

99 lines
2.3 KiB
Go

// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"os"
"testing"
)
func TestWatch(t *testing.T) {
s := newWatchableStore(tmpPath)
defer func() {
s.store.Close()
os.Remove(tmpPath)
}()
testKey := []byte("foo")
testValue := []byte("bar")
s.Put(testKey, testValue)
w := s.NewWatcher()
w.Watch(testKey, true, 0)
if _, ok := s.synced[string(testKey)]; !ok {
// the key must have had an entry in synced
t.Errorf("existence = %v, want true", ok)
}
}
func TestNewWatcherCancel(t *testing.T) {
s := newWatchableStore(tmpPath)
defer func() {
s.store.Close()
os.Remove(tmpPath)
}()
testKey := []byte("foo")
testValue := []byte("bar")
s.Put(testKey, testValue)
w := s.NewWatcher()
_, cancel := w.Watch(testKey, true, 0)
cancel()
if _, ok := s.synced[string(testKey)]; ok {
// the key shoud have been deleted
t.Errorf("existence = %v, want false", ok)
}
}
func TestUnsafeAddWatching(t *testing.T) {
s := newWatchableStore(tmpPath)
defer func() {
s.store.Close()
os.Remove(tmpPath)
}()
testKey := []byte("foo")
testValue := []byte("bar")
s.Put(testKey, testValue)
size := 10
ws := make([]*watching, size)
for i := 0; i < size; i++ {
ws[i] = &watching{
key: testKey,
prefix: true,
cur: 0,
}
}
// to test if unsafeAddWatching is correctly updating
// synced map when adding new watching.
for i, wa := range ws {
if err := unsafeAddWatching(&s.synced, string(testKey), wa); err != nil {
t.Errorf("#%d: error = %v, want nil", i, err)
}
if v, ok := s.synced[string(testKey)]; !ok {
t.Errorf("#%d: ok = %v, want ok true", i, ok)
} else {
if len(v) != i+1 {
t.Errorf("#%d: len(v) = %d, want %d", i, len(v), i+1)
}
if _, ok := v[wa]; !ok {
t.Errorf("#%d: ok = %v, want ok true", i, ok)
}
}
}
}