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// Copyright 2020 The Matrix.org Foundation C.I.C.
//
// 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 query
import (
"context"
"encoding/json"
"testing"
"github.com/matrix-org/dendrite/internal/test"
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib"
)
// used to implement RoomserverInternalAPIEventDB to test getAuthChain
type getEventDB struct {
eventMap map[string]gomatrixserverlib.Event
}
func createEventDB() *getEventDB {
return &getEventDB{
eventMap: make(map[string]gomatrixserverlib.Event),
}
}
// Adds a fake event to the storage with given auth events.
func (db *getEventDB) addFakeEvent(eventID string, authIDs []string) error {
authEvents := []gomatrixserverlib.EventReference{}
for _, authID := range authIDs {
authEvents = append(authEvents, gomatrixserverlib.EventReference{
EventID: authID,
})
}
builder := map[string]interface{}{
"event_id": eventID,
"auth_events": authEvents,
}
eventJSON, err := json.Marshal(&builder)
if err != nil {
return err
}
event, err := gomatrixserverlib.NewEventFromTrustedJSON(
eventJSON, false, gomatrixserverlib.RoomVersionV1,
)
if err != nil {
return err
}
db.eventMap[eventID] = event
return nil
}
// Adds multiple events at once, each entry in the map is an eventID and set of
// auth events that are converted to an event and added.
func (db *getEventDB) addFakeEvents(graph map[string][]string) error {
for eventID, authIDs := range graph {
err := db.addFakeEvent(eventID, authIDs)
if err != nil {
return err
}
}
return nil
}
// EventsFromIDs implements RoomserverInternalAPIEventDB
func (db *getEventDB) EventsFromIDs(ctx context.Context, eventIDs []string) (res []types.Event, err error) {
for _, evID := range eventIDs {
res = append(res, types.Event{
EventNID: 0,
Event: db.eventMap[evID],
})
}
return
}
func TestGetAuthChainSingle(t *testing.T) {
db := createEventDB()
err := db.addFakeEvents(map[string][]string{
"a": {},
"b": {"a"},
"c": {"a", "b"},
"d": {"b", "c"},
"e": {"a", "d"},
})
if err != nil {
t.Fatalf("Failed to add events to db: %v", err)
}
result, err := getAuthChain(context.TODO(), db.EventsFromIDs, []string{"e"})
if err != nil {
t.Fatalf("getAuthChain failed: %v", err)
}
var returnedIDs []string
for _, event := range result {
returnedIDs = append(returnedIDs, event.EventID())
}
expectedIDs := []string{"a", "b", "c", "d", "e"}
if !test.UnsortedStringSliceEqual(expectedIDs, returnedIDs) {
t.Fatalf("returnedIDs got '%v', expected '%v'", returnedIDs, expectedIDs)
}
}
func TestGetAuthChainMultiple(t *testing.T) {
db := createEventDB()
err := db.addFakeEvents(map[string][]string{
"a": {},
"b": {"a"},
"c": {"a", "b"},
"d": {"b", "c"},
"e": {"a", "d"},
"f": {"a", "b", "c"},
})
if err != nil {
t.Fatalf("Failed to add events to db: %v", err)
}
result, err := getAuthChain(context.TODO(), db.EventsFromIDs, []string{"e", "f"})
if err != nil {
t.Fatalf("getAuthChain failed: %v", err)
}
var returnedIDs []string
for _, event := range result {
returnedIDs = append(returnedIDs, event.EventID())
}
expectedIDs := []string{"a", "b", "c", "d", "e", "f"}
if !test.UnsortedStringSliceEqual(expectedIDs, returnedIDs) {
t.Fatalf("returnedIDs got '%v', expected '%v'", returnedIDs, expectedIDs)
}
}
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