0a03cec497
This conversion is not complete as there are still uses of string directions via the Direction.String method in leveldb.
125 lines
3.8 KiB
Go
125 lines
3.8 KiB
Go
// Copyright 2014 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 graph
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import (
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"testing"
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. "github.com/smartystreets/goconvey/convey"
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)
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func buildHasaWithTag(ts TripleStore, tag string, target string) *HasaIterator {
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fixed_obj := ts.MakeFixed()
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fixed_pred := ts.MakeFixed()
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fixed_obj.AddValue(ts.GetIdFor(target))
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fixed_pred.AddValue(ts.GetIdFor("status"))
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fixed_obj.AddTag(tag)
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lto1 := NewLinksToIterator(ts, fixed_obj, Object)
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lto2 := NewLinksToIterator(ts, fixed_pred, Predicate)
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and := NewAndIterator()
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and.AddSubIterator(lto1)
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and.AddSubIterator(lto2)
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hasa := NewHasaIterator(ts, and, Subject)
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return hasa
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}
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func TestQueryShape(t *testing.T) {
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var queryShape map[string]interface{}
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var ts *TestTripleStore
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ts = new(TestTripleStore)
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ts.On("GetIdFor", "cool").Return(1)
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ts.On("GetNameFor", 1).Return("cool")
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ts.On("GetIdFor", "status").Return(2)
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ts.On("GetNameFor", 2).Return("status")
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ts.On("GetIdFor", "fun").Return(3)
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ts.On("GetNameFor", 3).Return("fun")
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ts.On("GetIdFor", "name").Return(4)
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ts.On("GetNameFor", 4).Return("name")
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Convey("Given a single linkage iterator's shape", t, func() {
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queryShape = make(map[string]interface{})
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hasa := buildHasaWithTag(ts, "tag", "cool")
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hasa.AddTag("top")
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OutputQueryShapeForIterator(hasa, ts, &queryShape)
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Convey("It should have three nodes and one link", func() {
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nodes := queryShape["nodes"].([]Node)
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links := queryShape["links"].([]Link)
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So(len(nodes), ShouldEqual, 3)
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So(len(links), ShouldEqual, 1)
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})
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Convey("These nodes should be correctly tagged", func() {
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nodes := queryShape["nodes"].([]Node)
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So(nodes[0].Tags, ShouldResemble, []string{"tag"})
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So(nodes[1].IsLinkNode, ShouldEqual, true)
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So(nodes[2].Tags, ShouldResemble, []string{"top"})
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})
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Convey("The link should be correctly typed", func() {
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nodes := queryShape["nodes"].([]Node)
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links := queryShape["links"].([]Link)
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So(links[0].Source, ShouldEqual, nodes[2].Id)
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So(links[0].Target, ShouldEqual, nodes[0].Id)
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So(links[0].LinkNode, ShouldEqual, nodes[1].Id)
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So(links[0].Pred, ShouldEqual, 0)
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})
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})
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Convey("Given a name-of-an-and-iterator's shape", t, func() {
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queryShape = make(map[string]interface{})
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hasa1 := buildHasaWithTag(ts, "tag1", "cool")
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hasa1.AddTag("hasa1")
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hasa2 := buildHasaWithTag(ts, "tag2", "fun")
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hasa1.AddTag("hasa2")
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andInternal := NewAndIterator()
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andInternal.AddSubIterator(hasa1)
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andInternal.AddSubIterator(hasa2)
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fixed_pred := ts.MakeFixed()
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fixed_pred.AddValue(ts.GetIdFor("name"))
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lto1 := NewLinksToIterator(ts, andInternal, Subject)
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lto2 := NewLinksToIterator(ts, fixed_pred, Predicate)
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and := NewAndIterator()
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and.AddSubIterator(lto1)
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and.AddSubIterator(lto2)
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hasa := NewHasaIterator(ts, and, Object)
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OutputQueryShapeForIterator(hasa, ts, &queryShape)
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Convey("It should have seven nodes and three links", func() {
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nodes := queryShape["nodes"].([]Node)
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links := queryShape["links"].([]Link)
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So(len(nodes), ShouldEqual, 7)
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So(len(links), ShouldEqual, 3)
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})
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Convey("Three of the nodes are link nodes, four aren't", func() {
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nodes := queryShape["nodes"].([]Node)
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count := 0
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for _, node := range nodes {
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if node.IsLinkNode {
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count++
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}
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}
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So(count, ShouldEqual, 3)
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})
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Convey("These nodes should be correctly tagged", nil)
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})
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}
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