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* Copyright 2016 DGraph Labs, Inc.
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*
* 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 cluster
import (
"bytes"
"encoding/binary"
"io/ioutil"
"os"
"testing"
"github.com/Sirupsen/logrus"
"github.com/dgraph-io/dgraph/posting"
"github.com/dgraph-io/dgraph/store"
)
func TestgetPredicate(t *testing.T) {
attr := "friends"
var uid uint64 = 12345
buf := bytes.NewBufferString(attr)
if err := binary.Write(buf, binary.LittleEndian, uid); err != nil {
t.Fatalf("Error while creating key with attr: %v uid: %v\n", attr, uid)
}
str := getPredicate(buf.Bytes())
if str != "friends" {
t.Error("Wrong predicate obtained")
}
}
func TestGetPredicateList(t *testing.T) {
logrus.SetLevel(logrus.DebugLevel)
dir1, err := ioutil.TempDir("", "dir_")
if err != nil {
t.Error(err)
return
}
defer os.RemoveAll(dir1)
ps1 := new(store.Store)
ps1.Init(dir1)
defer ps1.Close()
k1 := posting.Key(1000, "friend")
k2 := posting.Key(1010, "friend")
k3 := posting.Key(1020, "friend")
k4 := posting.Key(1030, "follow")
k5 := posting.Key(1040, "follow")
ps1.SetOne(k1, []byte("alice"))
ps1.SetOne(k2, []byte("bob"))
ps1.SetOne(k3, []byte("ram"))
ps1.SetOne(k4, []byte("ash"))
ps1.SetOne(k5, []byte("mallory"))
list := GetPredicateList(ps1)
if len(list) != 2 {
t.Errorf("Predicate List incorrect %v", len(list))
}
}