forked from cayleygraph/cayley
/
cayley_test.go
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/
cayley_test.go
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// 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 main
import (
"bytes"
"compress/bzip2"
"compress/gzip"
"flag"
"fmt"
"github.com/google/cayley/quad"
"io"
"os"
"reflect"
"sort"
"strings"
"sync"
"testing"
"time"
"github.com/google/cayley/config"
"github.com/google/cayley/db"
"github.com/google/cayley/graph"
"github.com/google/cayley/query/gremlin"
)
var backend = flag.String("backend", "memstore", "Which backend to test. Loads test data to /tmp if not present.")
var benchmarkQueries = []struct {
message string
long bool
query string
tag string
expect [][]interface{}
}{
// Easy one to get us started. How quick is the most straightforward retrieval?
{
message: "name predicate",
query: `
g.V("Humphrey Bogart").In("name").All()
`,
expect: [][]interface{}{
{map[string]string{"id": "/en/humphrey_bogart"}},
},
},
// Grunty queries.
// 2014-07-12: This one seems to return in ~20ms in memory;
// that's going to be measurably slower for every other backend.
{
message: "two large sets with no intersection",
query: `
function getId(x) { return g.V(x).In("name") }
var actor_to_film = g.M().In("/film/performance/actor").In("/film/film/starring")
getId("Oliver Hardy").Follow(actor_to_film).Out("name").Intersect(
getId("Mel Blanc").Follow(actor_to_film).Out("name")).All()
`,
expect: nil,
},
// 2014-07-12: This one takes about 4 whole seconds in memory. This is a behemoth.
{
message: "three huge sets with small intersection",
long: true,
query: `
function getId(x) { return g.V(x).In("name") }
var actor_to_film = g.M().In("/film/performance/actor").In("/film/film/starring")
var a = getId("Oliver Hardy").Follow(actor_to_film).FollowR(actor_to_film)
var b = getId("Mel Blanc").Follow(actor_to_film).FollowR(actor_to_film)
var c = getId("Billy Gilbert").Follow(actor_to_film).FollowR(actor_to_film)
seen = {}
a.Intersect(b).Intersect(c).ForEach(function (d) {
if (!(d.id in seen)) {
seen[d.id] = true;
g.Emit(d)
}
})
`,
expect: [][]interface{}{
{map[string]string{"id": "/en/sterling_holloway"}},
{map[string]string{"id": "/en/billy_gilbert"}},
},
},
// This is more of an optimization problem that will get better over time. This takes a lot
// of wrong turns on the walk down to what is ultimately the name, but top AND has it easy
// as it has a fixed ID. Exercises Contains().
{
message: "the helpless checker",
long: true,
query: `
g.V().As("person").In("name").In().In().Out("name").Is("Casablanca").All()
`,
tag: "person",
expect: [][]interface{}{
{map[string]string{"id": "Casablanca", "person": "Ingrid Bergman"}},
{map[string]string{"id": "Casablanca", "person": "Madeleine LeBeau"}},
{map[string]string{"id": "Casablanca", "person": "Joy Page"}},
{map[string]string{"id": "Casablanca", "person": "Claude Rains"}},
{map[string]string{"id": "Casablanca", "person": "S.Z. Sakall"}},
{map[string]string{"id": "Casablanca", "person": "Helmut Dantine"}},
{map[string]string{"id": "Casablanca", "person": "Conrad Veidt"}},
{map[string]string{"id": "Casablanca", "person": "Paul Henreid"}},
{map[string]string{"id": "Casablanca", "person": "Peter Lorre"}},
{map[string]string{"id": "Casablanca", "person": "Sydney Greenstreet"}},
{map[string]string{"id": "Casablanca", "person": "Leonid Kinskey"}},
{map[string]string{"id": "Casablanca", "person": "Lou Marcelle"}},
{map[string]string{"id": "Casablanca", "person": "Dooley Wilson"}},
{map[string]string{"id": "Casablanca", "person": "John Qualen"}},
{map[string]string{"id": "Casablanca", "person": "Humphrey Bogart"}},
},
},
//Q: Who starred in both "The Net" and "Speed" ?
//A: "Sandra Bullock"
{
message: "Net and Speed",
query: common + `m1_actors.Intersect(m2_actors).Out("name").All()
`,
expect: [][]interface{}{
{map[string]string{"id": "Sandra Bullock", "movie1": "The Net", "movie2": "Speed"}},
},
},
//Q: Did "Keanu Reeves" star in "The Net" ?
//A: No
{
message: "Keanu in The Net",
query: common + `actor2.Intersect(m1_actors).Out("name").All()
`,
expect: nil,
},
//Q: Did "Keanu Reeves" star in "Speed" ?
//A: Yes
{
message: "Keanu in Speed",
query: common + `actor2.Intersect(m2_actors).Out("name").All()
`,
expect: [][]interface{}{
{map[string]string{"id": "Keanu Reeves", "movie2": "Speed"}},
},
},
//Q: Has "Keanu Reeves" co-starred with anyone who starred in "The Net" ?
//A: "Keanu Reeves" was in "Speed" and "The Lake House" with "Sandra Bullock",
// who was in "The Net"
{
message: "Keanu with other in The Net",
long: true,
query: common + `actor2.Follow(coStars1).Intersect(m1_actors).Out("name").All()
`,
expect: [][]interface{}{
{map[string]string{"id": "Sandra Bullock", "movie1": "The Net", "costar1_movie": "Speed"}},
{map[string]string{"movie1": "The Net", "costar1_movie": "The Lake House", "id": "Sandra Bullock"}},
},
},
//Q: Do "Keanu Reeves" and "Sandra Bullock" have any commons co-stars?
//A: Yes, many. For example: SB starred with "Steve Martin" in "The Prince
// of Egypt", and KR starred with Steven Martin in "Parenthood".
{
message: "Keanu and Bullock with other",
long: true,
query: common + `actor1.Save("name","costar1_actor").Follow(coStars1).Intersect(actor2.Save("name","costar2_actor").Follow(coStars2)).Out("name").All()
`,
expect: [][]interface{}{
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Proposal", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Proposal", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Proposal", "costar2_actor": "Keanu Reeves", "costar2_movie": "Parenthood", "id": "Mary Steenburgen"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Proposal", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Devil's Advocate", "id": "Craig T. Nelson"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Crash", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Crash", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Gun Shy", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Gun Shy", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Demolition Man", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Demolition Man", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Demolition Man", "costar2_actor": "Keanu Reeves", "costar2_movie": "Thumbsucker", "id": "Benjamin Bratt"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Divine Secrets of the Ya-Ya Sisterhood", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Divine Secrets of the Ya-Ya Sisterhood", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Divine Secrets of the Ya-Ya Sisterhood", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Private Lives of Pippa Lee", "id": "Shirley Knight"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "A Time to Kill", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "A Time to Kill", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Forces of Nature", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Forces of Nature", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Hope Floats", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Hope Floats", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Infamous", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Infamous", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Infamous", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Jeff Daniels"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Love Potion No. 9", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Love Potion No. 9", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Miss Congeniality", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Miss Congeniality", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Miss Congeniality", "costar2_actor": "Keanu Reeves", "costar2_movie": "Thumbsucker", "id": "Benjamin Bratt"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Miss Congeniality 2: Armed and Fabulous", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Miss Congeniality 2: Armed and Fabulous", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Murder by Numbers", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Murder by Numbers", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Practical Magic", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Practical Magic", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Practical Magic", "costar2_actor": "Keanu Reeves", "costar2_movie": "Parenthood", "id": "Dianne Wiest"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Flying", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Animatrix", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Tune in Tomorrow", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Last Time I Committed Suicide", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Constantine", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Permanent Record", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Dangerous Liaisons", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Private Lives of Pippa Lee", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "A Scanner Darkly", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "A Walk in the Clouds", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Hardball", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Life Under Water", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Much Ado About Nothing", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "My Own Private Idaho", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Parenthood", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Point Break", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Providence", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "River's Edge", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Something's Gotta Give", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Sweet November", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Matrix Reloaded", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Matrix Revisited", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Prince of Pennsylvania", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Replacements", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Even Cowgirls Get the Blues", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Youngblood", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Bill \u0026 Ted's Bogus Journey", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Bill \u0026 Ted's Excellent Adventure", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Johnny Mnemonic", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Devil's Advocate", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Thumbsucker", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "I Love You to Death", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Bram Stoker's Dracula", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Gift", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Little Buddha", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Night Watchman", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Chain Reaction", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Babes in Toyland", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Day the Earth Stood Still", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "River's Edge", "id": "Dennis Hopper"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Dennis Hopper"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Jeff Daniels"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Joe Morton"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Alan Ruck"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Glenn Plummer"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Carlos Carrasco"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Beth Grant"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Richard Lineback"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Hawthorne James"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Jordan Lund"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Thomas Rosales, Jr."}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed 2: Cruise Control", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed 2: Cruise Control", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed 2: Cruise Control", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Glenn Plummer"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Flying", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Animatrix", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Tune in Tomorrow", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Last Time I Committed Suicide", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Constantine", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Permanent Record", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Dangerous Liaisons", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Private Lives of Pippa Lee", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "A Scanner Darkly", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "A Walk in the Clouds", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Hardball", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Life Under Water", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Much Ado About Nothing", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "My Own Private Idaho", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Parenthood", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Point Break", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Providence", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "River's Edge", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Something's Gotta Give", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Sweet November", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Matrix Reloaded", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Matrix Revisited", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Prince of Pennsylvania", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Replacements", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Even Cowgirls Get the Blues", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Youngblood", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Bill \u0026 Ted's Bogus Journey", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Bill \u0026 Ted's Excellent Adventure", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Johnny Mnemonic", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Devil's Advocate", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Thumbsucker", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "I Love You to Death", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Bram Stoker's Dracula", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Gift", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Little Buddha", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Night Watchman", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Chain Reaction", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Babes in Toyland", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Day the Earth Stood Still", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Christopher Plummer"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Dylan Walsh"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Shohreh Aghdashloo"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Lynn Collins"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Net", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Net", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Prince of Egypt", "costar2_actor": "Keanu Reeves", "costar2_movie": "Dangerous Liaisons", "id": "Michelle Pfeiffer"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Prince of Egypt", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Prince of Egypt", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Prince of Egypt", "costar2_actor": "Keanu Reeves", "costar2_movie": "Parenthood", "id": "Steve Martin"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Two Weeks Notice", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Two Weeks Notice", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "While You Were Sleeping", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "While You Were Sleeping", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "While You Were Sleeping", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Replacements", "id": "Jack Warden"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "28 Days", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "28 Days", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Premonition", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Premonition", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Premonition", "costar2_actor": "Keanu Reeves", "costar2_movie": "Constantine", "id": "Peter Stormare"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Wrestling Ernest Hemingway", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Wrestling Ernest Hemingway", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Fire on the Amazon", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Fire on the Amazon", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Thing Called Love", "costar2_actor": "Keanu Reeves", "costar2_movie": "My Own Private Idaho", "id": "River Phoenix"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Thing Called Love", "costar2_actor": "Keanu Reeves", "costar2_movie": "I Love You to Death", "id": "River Phoenix"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Thing Called Love", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Thing Called Love", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "In Love and War", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "In Love and War", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
},
},
}
const common = `
var movie1 = g.V().Has("name", "The Net")
var movie2 = g.V().Has("name", "Speed")
var actor1 = g.V().Has("name", "Sandra Bullock")
var actor2 = g.V().Has("name", "Keanu Reeves")
// (film) -> starring -> (actor)
var filmToActor = g.Morphism().Out("/film/film/starring").Out("/film/performance/actor")
// (actor) -> starring -> [film -> starring -> (actor)]
var coStars1 = g.Morphism().In("/film/performance/actor").In("/film/film/starring").Save("name","costar1_movie").Follow(filmToActor)
var coStars2 = g.Morphism().In("/film/performance/actor").In("/film/film/starring").Save("name","costar2_movie").Follow(filmToActor)
// Stars for the movies "The Net" and "Speed"
var m1_actors = movie1.Save("name","movie1").Follow(filmToActor)
var m2_actors = movie2.Save("name","movie2").Follow(filmToActor)
`
var (
create sync.Once
deleteAndRecreate sync.Once
cfg = &config.Config{
DatabasePath: "30kmoviedata.nq.gz",
DatabaseType: "memstore",
ReplicationType: "single",
Timeout: 300 * time.Second,
}
handle *graph.Handle
)
func prepare(t testing.TB) {
switch *backend {
case "memstore":
break
case "leveldb":
fallthrough
case "bolt":
cfg.DatabaseType = *backend
cfg.DatabasePath = fmt.Sprint("/tmp/cayley_test_", *backend)
cfg.DatabaseOptions = map[string]interface{}{
"nosync": true, // It's a test. If we need to load, do it fast.
}
default:
t.Fatalf("Untestable backend store %s", *backend)
}
var err error
create.Do(func() {
needsLoad := true
if graph.IsPersistent(cfg.DatabaseType) {
if _, err := os.Stat(cfg.DatabasePath); os.IsNotExist(err) {
err = db.Init(cfg)
if err != nil {
t.Fatalf("Could not initialize database: %v", err)
}
} else {
needsLoad = false
}
}
handle, err = db.Open(cfg)
if err != nil {
t.Fatalf("Failed to open %q: %v", cfg.DatabasePath, err)
}
if needsLoad {
err = load(handle.QuadWriter, cfg, "30kmoviedata.nq.gz", "cquad")
if err != nil {
t.Fatalf("Failed to load %q: %v", cfg.DatabasePath, err)
}
}
})
}
func deletePrepare(t testing.TB) {
var err error
deleteAndRecreate.Do(func() {
prepare(t)
if !graph.IsPersistent(cfg.DatabaseType) {
err = removeAll(handle.QuadWriter, cfg, "", "cquad")
if err != nil {
t.Fatalf("Failed to remove %q: %v", cfg.DatabasePath, err)
}
err = load(handle.QuadWriter, cfg, "", "cquad")
if err != nil {
t.Fatalf("Failed to load %q: %v", cfg.DatabasePath, err)
}
}
})
}
func removeAll(qw graph.QuadWriter, cfg *config.Config, path, typ string) error {
return decompressAndLoad(qw, cfg, path, typ, remove)
}
func remove(qw graph.QuadWriter, cfg *config.Config, dec quad.Unmarshaler) error {
for {
t, err := dec.Unmarshal()
if err != nil {
if err == io.EOF {
break
}
return err
}
qw.RemoveQuad(t)
}
return nil
}
func TestQueries(t *testing.T) {
prepare(t)
checkQueries(t)
}
func TestDeletedAndRecreatedQueries(t *testing.T) {
if testing.Short() {
t.Skip()
}
deletePrepare(t)
checkQueries(t)
}
func checkQueries(t *testing.T) {
for _, test := range benchmarkQueries {
if testing.Short() && test.long {
continue
}
ses := gremlin.NewSession(handle.QuadStore, cfg.Timeout, true)
_, err := ses.InputParses(test.query)
if err != nil {
t.Fatalf("Failed to parse benchmark gremlin %s: %v", test.message, err)
}
c := make(chan interface{}, 5)
go ses.ExecInput(test.query, c, 100)
var (
got [][]interface{}
timedOut bool
)
for r := range c {
ses.BuildJson(r)
j, err := ses.GetJson()
if j == nil && err == nil {
continue
}
if err == gremlin.ErrKillTimeout {
timedOut = true
continue
}
got = append(got, j)
}
if timedOut {
t.Error("Query timed out: skipping validation.")
continue
}
if len(got) != len(test.expect) {
t.Errorf("Unexpected number of results, got:%d expect:%d on %s.", len(got), len(test.expect), test.message)
continue
}
if unsortedEqual(got, test.expect) {
continue
}
t.Errorf("Unexpected results for %s:\n", test.message)
for i := range got {
t.Errorf("\n\tgot:%#v\n\texpect:%#v\n", got[i], test.expect[i])
}
}
}
func unsortedEqual(got, expect [][]interface{}) bool {
gotList := convertToStringList(got)
expectList := convertToStringList(expect)
return reflect.DeepEqual(gotList, expectList)
}
func convertToStringList(in [][]interface{}) []string {
var out []string
for _, x := range in {
var subEntry []string
for _, y := range x {
m := y.(map[string]string)
for k, v := range m {
subEntry = append(subEntry, fmt.Sprint(k, ":", v))
}
}
sort.Strings(subEntry)
out = append(out, strings.Join(subEntry, ","))
}
sort.Strings(out)
return out
}
func runBench(n int, b *testing.B) {
if testing.Short() && benchmarkQueries[n].long {
b.Skip()
}
prepare(b)
b.StopTimer()
b.ResetTimer()
for i := 0; i < b.N; i++ {
c := make(chan interface{}, 5)
ses := gremlin.NewSession(handle.QuadStore, cfg.Timeout, true)
// Do the parsing we know works.
ses.InputParses(benchmarkQueries[n].query)
b.StartTimer()
go ses.ExecInput(benchmarkQueries[n].query, c, 100)
for _ = range c {
}
b.StopTimer()
}
}
func BenchmarkNamePredicate(b *testing.B) {
runBench(0, b)
}
func BenchmarkLargeSetsNoIntersection(b *testing.B) {
runBench(1, b)
}
func BenchmarkVeryLargeSetsSmallIntersection(b *testing.B) {
runBench(2, b)
}
func BenchmarkHelplessContainsChecker(b *testing.B) {
runBench(3, b)
}
func BenchmarkNetAndSpeed(b *testing.B) {
runBench(4, b)
}
func BenchmarkKeanuAndNet(b *testing.B) {
runBench(5, b)
}
func BenchmarkKeanuAndSpeed(b *testing.B) {
runBench(6, b)
}
func BenchmarkKeanuOther(b *testing.B) {
runBench(7, b)
}
func BenchmarkKeanuBullockOther(b *testing.B) {
runBench(8, b)
}
// reader is a test helper to filter non-io.Reader methods from the contained io.Reader.
type reader struct {
r io.Reader
}
func (r reader) Read(p []byte) (int, error) {
return r.r.Read(p)
}
var testDecompressor = []struct {
message string
input io.Reader
expect []byte
err error
readErr error
}{
{
message: "text input",
input: strings.NewReader("cayley data\n"),
err: nil,
expect: []byte("cayley data\n"),
readErr: nil,
},
{
message: "gzip input",
input: bytes.NewReader([]byte{
0x1f, 0x8b, 0x08, 0x00, 0x5c, 0xbc, 0xcd, 0x53, 0x00, 0x03, 0x4b, 0x4e, 0xac, 0xcc, 0x49, 0xad,
0x54, 0x48, 0x49, 0x2c, 0x49, 0xe4, 0x02, 0x00, 0x03, 0xe1, 0xfc, 0xc3, 0x0c, 0x00, 0x00, 0x00,
}),
err: nil,
expect: []byte("cayley data\n"),
readErr: nil,
},
{
message: "bzip2 input",
input: bytes.NewReader([]byte{
0x42, 0x5a, 0x68, 0x39, 0x31, 0x41, 0x59, 0x26, 0x53, 0x59, 0xb5, 0x4b, 0xe3, 0xc4, 0x00, 0x00,
0x02, 0xd1, 0x80, 0x00, 0x10, 0x40, 0x00, 0x2e, 0x04, 0x04, 0x20, 0x20, 0x00, 0x31, 0x06, 0x4c,
0x41, 0x4c, 0x1e, 0xa7, 0xa9, 0x2a, 0x18, 0x26, 0xb1, 0xc2, 0xee, 0x48, 0xa7, 0x0a, 0x12, 0x16,
0xa9, 0x7c, 0x78, 0x80,
}),
err: nil,
expect: []byte("cayley data\n"),
readErr: nil,
},
{
message: "bad gzip input",
input: strings.NewReader("\x1f\x8bcayley data\n"),
err: gzip.ErrHeader,
expect: nil,
readErr: nil,
},
{
message: "bad bzip2 input",
input: strings.NewReader("\x42\x5a\x68cayley data\n"),
err: nil,
expect: nil,
readErr: bzip2.StructuralError("invalid compression level"),
},
}
func TestDecompressor(t *testing.T) {
for _, test := range testDecompressor {
r, err := decompressor(test.input)
if err != test.err {
t.Fatalf("Unexpected error for %s, got:%v expect:%v", test.message, err, test.err)
}
if err != nil {
continue
}
p := make([]byte, len(test.expect)*2)
n, err := r.Read(p)
if err != test.readErr {
t.Fatalf("Unexpected error for reading %s, got:%v expect:%v", test.message, err, test.err)
}
if bytes.Compare(p[:n], test.expect) != 0 {
t.Errorf("Unexpected read result for %s, got:%q expect:%q", test.message, p[:n], test.expect)
}
}
}