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Fulltext implementation incl. config (#2480)
This adds the main component of the fulltext search. This PR doesn't do anything yet, besides creating an empty fulltextindex folder if enabled. Indexing events is done in a separate PR.
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12 changed files with 647 additions and 2 deletions
250
internal/fulltext/bleve_test.go
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250
internal/fulltext/bleve_test.go
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// Copyright 2022 The Matrix.org Foundation C.I.C.
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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 fulltext_test
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import (
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"reflect"
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"testing"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/util"
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"github.com/matrix-org/dendrite/internal/fulltext"
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"github.com/matrix-org/dendrite/setup/config"
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)
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func mustOpenIndex(t *testing.T, tempDir string) *fulltext.Search {
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t.Helper()
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cfg := config.Fulltext{}
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cfg.Defaults(config.DefaultOpts{
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Generate: true,
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Monolithic: true,
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})
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if tempDir != "" {
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cfg.IndexPath = config.Path(tempDir)
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cfg.InMemory = false
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}
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fts, err := fulltext.New(cfg)
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if err != nil {
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t.Fatal("failed to open fulltext index:", err)
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}
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return fts
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}
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func mustAddTestData(t *testing.T, fts *fulltext.Search, firstStreamPos int64) (eventIDs, roomIDs []string) {
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t.Helper()
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// create some more random data
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var batchItems []fulltext.IndexElement
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streamPos := firstStreamPos
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wantRoomID := util.RandomString(16)
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for i := 0; i < 30; i++ {
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streamPos++
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eventID := util.RandomString(16)
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// Create more data for the first room
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if i > 15 {
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wantRoomID = util.RandomString(16)
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}
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e := fulltext.IndexElement{
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EventID: eventID,
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RoomID: wantRoomID,
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Content: "lorem ipsum",
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StreamPosition: streamPos,
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}
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e.SetContentType("m.room.message")
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batchItems = append(batchItems, e)
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roomIDs = append(roomIDs, wantRoomID)
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eventIDs = append(eventIDs, eventID)
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}
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e := fulltext.IndexElement{
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EventID: util.RandomString(16),
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RoomID: wantRoomID,
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Content: "Roomname testing",
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StreamPosition: streamPos,
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}
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e.SetContentType(gomatrixserverlib.MRoomName)
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batchItems = append(batchItems, e)
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e = fulltext.IndexElement{
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EventID: util.RandomString(16),
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RoomID: wantRoomID,
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Content: "Room topic fulltext",
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StreamPosition: streamPos,
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}
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e.SetContentType(gomatrixserverlib.MRoomTopic)
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batchItems = append(batchItems, e)
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if err := fts.Index(batchItems...); err != nil {
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t.Fatalf("failed to batch insert elements: %v", err)
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}
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return eventIDs, roomIDs
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}
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func TestOpen(t *testing.T) {
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dataDir := t.TempDir()
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fts := mustOpenIndex(t, dataDir)
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if err := fts.Close(); err != nil {
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t.Fatal("unable to close fulltext index", err)
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}
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// open existing index
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fts = mustOpenIndex(t, dataDir)
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defer fts.Close()
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}
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func TestIndex(t *testing.T) {
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fts := mustOpenIndex(t, "")
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defer fts.Close()
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// add some data
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var streamPos int64 = 1
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roomID := util.RandomString(8)
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eventID := util.RandomString(16)
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e := fulltext.IndexElement{
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EventID: eventID,
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RoomID: roomID,
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Content: "lorem ipsum",
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StreamPosition: streamPos,
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}
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e.SetContentType("m.room.message")
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if err := fts.Index(e); err != nil {
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t.Fatal("failed to index element", err)
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}
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// create some more random data
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mustAddTestData(t, fts, streamPos)
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}
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func TestDelete(t *testing.T) {
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fts := mustOpenIndex(t, "")
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defer fts.Close()
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eventIDs, roomIDs := mustAddTestData(t, fts, 0)
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res1, err := fts.Search("lorem", roomIDs[:1], nil, 50, 0, false)
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if err != nil {
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t.Fatal(err)
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}
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if err = fts.Delete(eventIDs[0]); err != nil {
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t.Fatal(err)
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}
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res2, err := fts.Search("lorem", roomIDs[:1], nil, 50, 0, false)
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if err != nil {
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t.Fatal(err)
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}
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if res1.Total <= res2.Total {
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t.Fatalf("got unexpected result: %d <= %d", res1.Total, res2.Total)
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}
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}
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func TestSearch(t *testing.T) {
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type args struct {
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term string
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keys []string
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limit int
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from int
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orderByStreamPos bool
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roomIndex []int
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}
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tests := []struct {
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name string
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args args
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wantCount int
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wantErr bool
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}{
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{
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name: "Can search for many results in one room",
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wantCount: 16,
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args: args{
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term: "lorem",
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roomIndex: []int{0},
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limit: 20,
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},
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},
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{
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name: "Can search for one result in one room",
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wantCount: 1,
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args: args{
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term: "lorem",
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roomIndex: []int{16},
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limit: 20,
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},
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},
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{
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name: "Can search for many results in multiple rooms",
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wantCount: 17,
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args: args{
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term: "lorem",
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roomIndex: []int{0, 16},
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limit: 20,
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},
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},
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{
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name: "Can search for many results in all rooms, reversed",
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wantCount: 30,
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args: args{
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term: "lorem",
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limit: 30,
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orderByStreamPos: true,
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},
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},
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{
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name: "Can search for specific search room name",
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wantCount: 1,
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args: args{
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term: "testing",
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roomIndex: []int{},
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limit: 20,
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keys: []string{"content.name"},
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},
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},
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{
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name: "Can search for specific search room topic",
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wantCount: 1,
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args: args{
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term: "fulltext",
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roomIndex: []int{},
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limit: 20,
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keys: []string{"content.topic"},
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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f := mustOpenIndex(t, "")
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eventIDs, roomIDs := mustAddTestData(t, f, 0)
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var searchRooms []string
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for _, x := range tt.args.roomIndex {
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searchRooms = append(searchRooms, roomIDs[x])
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}
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t.Logf("searching in rooms: %v - %v\n", searchRooms, tt.args.keys)
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got, err := f.Search(tt.args.term, searchRooms, tt.args.keys, tt.args.limit, tt.args.from, tt.args.orderByStreamPos)
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if (err != nil) != tt.wantErr {
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t.Errorf("Search() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(len(got.Hits), tt.wantCount) {
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t.Errorf("Search() got = %v, want %v", len(got.Hits), tt.wantCount)
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}
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if tt.args.orderByStreamPos {
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if got.Hits[0].ID != eventIDs[29] {
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t.Fatalf("expected ID %s, got %s", eventIDs[29], got.Hits[0].ID)
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}
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}
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})
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}
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}
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