cayley/graph/iterator/linksto_iterator_test.go
2014-07-02 12:17:33 +09:30

39 lines
1.2 KiB
Go

// Copyright 2014 The Cayley Authors. All rights reserved.
//
// 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 iterator
import (
"testing"
"github.com/google/cayley/graph"
)
func TestLinksTo(t *testing.T) {
ts := new(TestTripleStore)
tsFixed := newFixed()
tsFixed.Add(2)
ts.On("ValueOf", "cool").Return(1)
ts.On("TripleIterator", graph.Object, 1).Return(tsFixed)
fixed := newFixed()
fixed.Add(ts.ValueOf("cool"))
lto := NewLinksTo(ts, fixed, graph.Object)
val, ok := lto.Next()
if !ok {
t.Error("At least one triple matches the fixed object")
}
if val != 2 {
t.Errorf("Triple index 2, such as %s, should match %s", ts.Triple(2), ts.Triple(val))
}
}