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/*
* Copyright 2015 Manish R Jain <manishrjain@gmail.com>
*
* 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 posting
import (
"testing"
"time"
"github.com/manishrjain/dgraph/posting/types"
"github.com/manishrjain/dgraph/x"
)
var uids = [...]uint64{
9, 49, 81,
}
func TestAddTriple(t *testing.T) {
var l List
l.Init()
triple := x.Triple{
ValueId: 9,
Source: "testing",
Timestamp: time.Now(),
}
l.AddTriple(triple)
if l.TList.PostingsLength() != 1 {
t.Error("Unable to find added elements in posting list")
}
var p types.Posting
if ok := l.TList.Postings(&p, 0); !ok {
t.Error("Unable to retrieve posting at 1st iter")
t.Fail()
}
if p.Uid() != 9 {
t.Errorf("Expected 9. Got: %v", p.Uid)
}
if string(p.Source()) != "testing" {
t.Errorf("Expected testing. Got: %v", string(p.Source()))
}
// Add another triple now.
triple.ValueId = 81
l.AddTriple(triple)
if l.TList.PostingsLength() != 2 {
t.Errorf("Length: %d", l.TList.PostingsLength())
t.Fail()
}
var uid uint64
uid = 1
for i := 0; i < l.TList.PostingsLength(); i++ {
if ok := l.TList.Postings(&p, i); !ok {
t.Error("Unable to retrieve posting at 2nd iter")
}
uid *= 9
if p.Uid() != uid {
t.Errorf("Expected: %v. Got: %v", uid, p.Uid())
}
}
// Add another triple, in between the two above.
triple.ValueId = 49
l.AddTriple(triple)
if l.TList.PostingsLength() != 3 {
t.Errorf("Length: %d", l.TList.PostingsLength())
t.Fail()
}
for i := 0; i < len(uids); i++ {
if ok := l.TList.Postings(&p, i); !ok {
t.Error("Unable to retrieve posting at 2nd iter")
}
if p.Uid() != uids[i] {
t.Errorf("Expected: %v. Got: %v", uids[i], p.Uid())
}
}
}