cayley/graph/iterator/hasa_iterator_test.go
2015-04-15 16:28:13 -07:00

37 lines
1.1 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 (
"errors"
"testing"
"github.com/google/cayley/quad"
)
func TestHasAIteratorErr(t *testing.T) {
wantErr := errors.New("unique")
errIt := newTestIterator(false, wantErr)
// TODO(andrew-d): pass a non-nil quadstore
hasa := NewHasA(nil, errIt, quad.Subject)
if hasa.Next() != false {
t.Errorf("HasA iterator did not pass through initial 'false'")
}
if hasa.Err() != wantErr {
t.Errorf("HasA iterator did not pass through underlying Err")
}
}