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Make handleGetMissingEventsRequests more general #428

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Jul 26, 2022
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Make handleGetMissingEventsRequests more general #428

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54 changes: 22 additions & 32 deletions tests/federation_room_join_partial_state_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,17 +14,16 @@ import (
"net"
"net/http"
"net/url"
"reflect"
"strconv"
"strings"
"testing"
"time"

"github.com/gorilla/mux"
"github.com/tidwall/gjson"

"github.com/matrix-org/gomatrix"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"

"github.com/matrix-org/complement/internal/b"
"github.com/matrix-org/complement/internal/client"
Expand Down Expand Up @@ -182,7 +181,8 @@ func TestPartialStateJoin(t *testing.T) {
federation.HandleEventAuthRequests()(psjResult.Server)

// the HS will make a /get_missing_events request for the missing prev events of event B
handleGetMissingEventsRequests(t, psjResult.Server, psjResult.ServerRoom, []*gomatrixserverlib.Event{eventA})
handleGetMissingEventsRequests(t, psjResult.Server, psjResult.ServerRoom,
[]string{eventB.EventID()}, []*gomatrixserverlib.Event{eventA})

// send event B to hs1
testReceiveEventDuringPartialStateJoin(t, deployment, alice, psjResult, eventB)
Expand Down Expand Up @@ -218,7 +218,8 @@ func TestPartialStateJoin(t *testing.T) {
federation.HandleEventAuthRequests()(psjResult.Server)

// the HS will make a /get_missing_events request for the missing prev event of event B
handleGetMissingEventsRequests(t, psjResult.Server, psjResult.ServerRoom, []*gomatrixserverlib.Event{eventA})
handleGetMissingEventsRequests(t, psjResult.Server, psjResult.ServerRoom,
[]string{eventB.EventID()}, []*gomatrixserverlib.Event{eventA})

// send event B to hs1
testReceiveEventDuringPartialStateJoin(t, deployment, alice, psjResult, eventB)
Expand Down Expand Up @@ -255,7 +256,8 @@ func TestPartialStateJoin(t *testing.T) {

// the HS will make a /get_missing_events request for the missing prev event of event C,
// to which we respond with event B only.
handleGetMissingEventsRequests(t, psjResult.Server, psjResult.ServerRoom, []*gomatrixserverlib.Event{eventB})
handleGetMissingEventsRequests(t, psjResult.Server, psjResult.ServerRoom,
[]string{eventC.EventID()}, []*gomatrixserverlib.Event{eventB})

// dedicated state_ids and state handlers for event A
handleStateIdsRequests(t, psjResult.Server, psjResult.ServerRoom, eventA.EventID(), psjResult.ServerRoom.AllCurrentState(), nil, nil)
Expand Down Expand Up @@ -891,45 +893,33 @@ func handleStateRequests(
}

// register a handler for `/get_missing_events` requests
//
// This can (currently) only handle a single `/get_missing_events` request, and the "latest_events" in the request
// must match those listed in "expectedLatestEvents" (otherwise the test is failed).
func handleGetMissingEventsRequests(
t *testing.T, srv *federation.Server, serverRoom *federation.ServerRoom,
eventsToReturn []*gomatrixserverlib.Event,
expectedLatestEvents []string, eventsToReturn []*gomatrixserverlib.Event,
) {
srv.Mux().HandleFunc("/_matrix/federation/v1/get_missing_events/{roomID}", func(w http.ResponseWriter, req *http.Request) {
roomID := mux.Vars(req)["roomID"]
if roomID != serverRoom.RoomID {
t.Fatalf("Received unexpected /get_missing_events request for room: %s", roomID)
}

srv.Mux().HandleFunc(fmt.Sprintf("/_matrix/federation/v1/get_missing_events/%s", serverRoom.RoomID), func(w http.ResponseWriter, req *http.Request) {
body, err := ioutil.ReadAll(req.Body)
if err != nil {
t.Fatalf("unable to read request body: %v", err)
}
var getMissingEventsRequest struct {
EarliestEvents []string `json:"earliest_events"`
LatestEvents []string `json:"latest_events"`
Limit int `json:"int"`
MinDepth int `json:"min_depth"`
t.Fatalf("unable to read /get_missing_events request body: %s", err)
}
var getMissingEventsRequest gomatrixserverlib.MissingEvents
err = json.Unmarshal(body, &getMissingEventsRequest)
if err != nil {
errResp := util.MessageResponse(400, err.Error())
w.WriteHeader(errResp.Code)
b, _ := json.Marshal(errResp.JSON)
w.Write(b)
return
t.Fatalf("unable to unmarshall /get_missing_events request body: %s", err)
}

t.Logf("Incoming get_missing_events request for prev events of %s in room %s", getMissingEventsRequest.LatestEvents, roomID)
t.Logf("Incoming get_missing_events request for prev events of %s in room %s", getMissingEventsRequest.LatestEvents, serverRoom.RoomID)
if !reflect.DeepEqual(expectedLatestEvents, getMissingEventsRequest.LatestEvents) {
t.Fatalf("getMissingEventsRequest.LatestEvents: got %v, wanted %v", getMissingEventsRequest, expectedLatestEvents)
}

// TODO: return events based on those requested
responseBytes, _ := json.Marshal(gomatrixserverlib.RespMissingEvents{
Events: gomatrixserverlib.NewEventJSONsFromEvents(eventsToReturn),
})
w.WriteHeader(200)
res := struct {
Events []*gomatrixserverlib.Event `json:"events"`
}{
Events: eventsToReturn,
}
responseBytes, _ := json.Marshal(&res)
w.Write(responseBytes)
}).Methods("POST")
}
Expand Down