128 lines
3.1 KiB
Go
128 lines
3.1 KiB
Go
// Copyright 2015 The Cayley Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package sql
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import (
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"fmt"
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"testing"
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"github.com/google/cayley/graph"
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"github.com/google/cayley/quad"
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)
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func TestBuildIntersect(t *testing.T) {
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a := NewStatementIterator(nil, quad.Subject, "Foo")
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b := NewStatementIterator(nil, quad.Predicate, "is_equivalent_to")
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it, err := intersect(a, b)
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if err != nil {
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t.Error(err)
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}
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s, v := it.buildQuery(false, nil)
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fmt.Println(s, v)
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}
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func TestBuildHasa(t *testing.T) {
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a := NewStatementIterator(nil, quad.Subject, "Foo")
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a.tagger.Add("foo")
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b := NewStatementIterator(nil, quad.Predicate, "is_equivalent_to")
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it1, err := intersect(a, b)
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if err != nil {
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t.Error(err)
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}
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it2, err := hasa(it1, quad.Object)
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if err != nil {
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t.Error(err)
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}
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s, v := it2.buildQuery(false, nil)
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fmt.Println(s, v)
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}
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func TestBuildLinksTo(t *testing.T) {
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a := NewStatementIterator(nil, quad.Subject, "Foo")
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b := NewStatementIterator(nil, quad.Predicate, "is_equivalent_to")
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it1, err := intersect(a, b)
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if err != nil {
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t.Error(err)
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}
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it2, err := hasa(it1, quad.Object)
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it2.tagger.Add("foo")
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if err != nil {
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t.Error(err)
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}
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it3, err := linksto(it2, quad.Subject)
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if err != nil {
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t.Error(err)
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}
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s, v := it3.buildQuery(false, nil)
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fmt.Println(s, v)
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}
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func TestInterestingQuery(t *testing.T) {
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if *dbpath == "" {
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t.SkipNow()
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}
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db, err := newQuadStore(*dbpath, nil)
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if err != nil {
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t.Fatal(err)
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}
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a := NewStatementIterator(db.(*QuadStore), quad.Object, "Humphrey Bogart")
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b := NewStatementIterator(db.(*QuadStore), quad.Predicate, "name")
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it1, err := intersect(a, b)
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if err != nil {
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t.Error(err)
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}
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it2, err := hasa(it1, quad.Subject)
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if err != nil {
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t.Error(err)
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}
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it2.Tagger().Add("hb")
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it3, err := linksto(it2, quad.Object)
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if err != nil {
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t.Error(err)
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}
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b = NewStatementIterator(db.(*QuadStore), quad.Predicate, "/film/performance/actor")
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it4, err := intersect(it3, b)
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if err != nil {
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t.Error(err)
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}
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it5, err := hasa(it4, quad.Subject)
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if err != nil {
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t.Error(err)
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}
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it6, err := linksto(it5, quad.Object)
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if err != nil {
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t.Error(err)
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}
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b = NewStatementIterator(db.(*QuadStore), quad.Predicate, "/film/film/starring")
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it7, err := intersect(it6, b)
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if err != nil {
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t.Error(err)
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}
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it8, err := hasa(it7, quad.Subject)
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if err != nil {
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t.Error(err)
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}
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s, v := it8.buildQuery(false, nil)
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it8.Tagger().Add("id")
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fmt.Println(s, v)
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for graph.Next(it8) {
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fmt.Println(it8.Result())
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out := make(map[string]graph.Value)
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it8.TagResults(out)
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for k, v := range out {
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fmt.Printf("%s: %v\n", k, v.(string))
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}
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}
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}
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