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matrix-client-event-timeline.spec.ts
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/*
Copyright 2022 - 2023 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.
*/
import * as utils from "../test-utils/test-utils";
import {
ClientEvent,
Direction,
EventStatus,
EventTimeline,
EventTimelineSet,
EventType,
Filter,
IEvent,
MatrixClient,
MatrixEvent,
PendingEventOrdering,
RelationType,
Room,
} from "../../src/matrix";
import { logger } from "../../src/logger";
import { encodeParams, encodeUri, QueryDict, replaceParam } from "../../src/utils";
import { TestClient } from "../TestClient";
import { FeatureSupport, Thread, THREAD_RELATION_TYPE, ThreadEvent } from "../../src/models/thread";
import { emitPromise } from "../test-utils/test-utils";
import { Feature, ServerSupport } from "../../src/feature";
const userId = "@alice:localhost";
const userName = "Alice";
const accessToken = "aseukfgwef";
const roomId = "!foo:bar";
const otherUserId = "@bob:localhost";
const withoutRoomId = (e: Partial<IEvent>): Partial<IEvent> => {
// eslint-disable-next-line @typescript-eslint/no-unused-vars
const { room_id: _, ...copy } = e;
return copy;
};
/**
* Our httpBackend only allows matching calls if we have the exact same query, in the exact same order
* This method allows building queries with the exact same parameter order as the fetchRelations method in client
* @param params query parameters
*/
const buildRelationPaginationQuery = (params: QueryDict): string => {
if (Thread.hasServerSideFwdPaginationSupport === FeatureSupport.Experimental) {
params = replaceParam("dir", "org.matrix.msc3715.dir", params);
}
return "?" + encodeParams(params).toString();
};
const USER_MEMBERSHIP_EVENT = utils.mkMembership({
room: roomId,
mship: "join",
user: userId,
name: userName,
event: false,
});
const ROOM_NAME_EVENT = utils.mkEvent({
type: "m.room.name",
room: roomId,
user: otherUserId,
content: {
name: "Old room name",
},
event: false,
});
const INITIAL_SYNC_DATA = {
next_batch: "s_5_3",
rooms: {
join: {
[roomId]: {
timeline: {
events: [
utils.mkMessage({
user: otherUserId,
msg: "hello",
event: false,
}),
],
prev_batch: "f_1_1",
},
state: {
events: [
withoutRoomId(ROOM_NAME_EVENT),
utils.mkMembership({
mship: "join",
user: otherUserId,
name: "Bob",
event: false,
}),
withoutRoomId(USER_MEMBERSHIP_EVENT),
utils.mkEvent({
type: "m.room.create",
user: userId,
content: {
creator: userId,
},
event: false,
}),
],
},
},
},
},
};
const EVENTS = [
utils.mkMessage({
room: roomId,
user: userId,
msg: "we",
event: false,
}),
utils.mkMessage({
room: roomId,
user: userId,
msg: "could",
event: false,
}),
utils.mkMessage({
room: roomId,
user: userId,
msg: "be",
event: false,
}),
utils.mkMessage({
room: roomId,
user: userId,
msg: "heroes",
event: false,
}),
];
const THREAD_ROOT = utils.mkEvent({
room: roomId,
user: userId,
type: "m.room.message",
content: {
body: "thread root",
msgtype: "m.text",
},
unsigned: {
"m.relations": {
"io.element.thread": {
//"latest_event": undefined,
count: 1,
current_user_participated: true,
},
},
},
event: false,
});
const THREAD_REPLY = utils.mkEvent({
room: roomId,
user: userId,
type: "m.room.message",
content: {
"body": "thread reply",
"msgtype": "m.text",
"m.relates_to": {
// We can't use the const here because we change server support mode for test
rel_type: "io.element.thread",
event_id: THREAD_ROOT.event_id,
},
},
event: false,
});
// @ts-ignore we know this is a defined path for THREAD ROOT
THREAD_ROOT.unsigned["m.relations"]["io.element.thread"].latest_event = THREAD_REPLY;
const SYNC_THREAD_ROOT = withoutRoomId(THREAD_ROOT);
const SYNC_THREAD_REPLY = withoutRoomId(THREAD_REPLY);
SYNC_THREAD_ROOT.unsigned = {
"m.relations": {
"io.element.thread": {
latest_event: SYNC_THREAD_REPLY,
count: 1,
current_user_participated: true,
},
},
};
type HttpBackend = TestClient["httpBackend"];
type ExpectedHttpRequest = ReturnType<HttpBackend["when"]>;
// start the client, and wait for it to initialise
function startClient(httpBackend: HttpBackend, client: MatrixClient) {
httpBackend.when("GET", "/versions").respond(200, {});
httpBackend.when("GET", "/pushrules").respond(200, {});
httpBackend.when("POST", "/filter").respond(200, { filter_id: "fid" });
httpBackend.when("GET", "/sync").respond(200, INITIAL_SYNC_DATA);
client.startClient();
// set up a promise which will resolve once the client is initialised
const prom = new Promise<void>((resolve) => {
client.on(ClientEvent.Sync, function (state) {
logger.log("sync", state);
if (state != "SYNCING") {
return;
}
resolve();
});
});
return Promise.all([httpBackend.flushAllExpected(), prom]);
}
describe("getEventTimeline support", function () {
let httpBackend: HttpBackend;
let client: MatrixClient;
beforeEach(function () {
const testClient = new TestClient(userId, "DEVICE", accessToken);
client = testClient.client;
httpBackend = testClient.httpBackend;
});
afterEach(function () {
if (client) {
client.stopClient();
}
return httpBackend.stop();
});
it("timeline support must be enabled to work", function () {
const testClient = new TestClient(userId, "DEVICE", accessToken, undefined, { timelineSupport: false });
client = testClient.client;
httpBackend = testClient.httpBackend;
return startClient(httpBackend, client).then(function () {
const room = client.getRoom(roomId)!;
const timelineSet = room!.getTimelineSets()[0];
return expect(client.getEventTimeline(timelineSet, "event")).rejects.toBeTruthy();
});
});
it("timeline support works when enabled", function () {
const testClient = new TestClient(userId, "DEVICE", accessToken, undefined, { timelineSupport: true });
client = testClient.client;
httpBackend = testClient.httpBackend;
return startClient(httpBackend, client).then(() => {
const room = client.getRoom(roomId)!;
const timelineSet = room!.getTimelineSets()[0];
httpBackend.when("GET", `/rooms/${encodeURIComponent(roomId)}/context/event`).respond(200, () => ({
event: {
event_id: "event",
},
events_after: [],
events_before: [],
state: [],
}));
return Promise.all([
expect(client.getEventTimeline(timelineSet, "event")).resolves.toBeTruthy(),
httpBackend.flushAllExpected(),
]);
});
});
it("only works with room timelines", function () {
const testClient = new TestClient(userId, "DEVICE", accessToken, undefined, { timelineSupport: true });
client = testClient.client;
httpBackend = testClient.httpBackend;
return startClient(httpBackend, client).then(function () {
const timelineSet = new EventTimelineSet(undefined);
return expect(client.getEventTimeline(timelineSet, "event")).rejects.toBeTruthy();
});
});
it("scrollback should be able to scroll back to before a gappy /sync", function () {
// need a client with timelineSupport disabled to make this work
let room: Room | undefined;
return startClient(httpBackend, client)
.then(function () {
room = client.getRoom(roomId)!;
httpBackend.when("GET", "/sync").respond(200, {
next_batch: "s_5_4",
rooms: {
join: {
"!foo:bar": {
timeline: {
events: [withoutRoomId(EVENTS[0])],
prev_batch: "f_1_1",
},
},
},
},
});
httpBackend.when("GET", "/sync").respond(200, {
next_batch: "s_5_5",
rooms: {
join: {
"!foo:bar": {
timeline: {
events: [withoutRoomId(EVENTS[1])],
limited: true,
prev_batch: "f_1_2",
},
},
},
},
});
return Promise.all([httpBackend.flushAllExpected(), utils.syncPromise(client, 2)]);
})
.then(function () {
expect(room!.timeline.length).toEqual(1);
expect(room!.timeline[0].event).toEqual(EVENTS[1]);
httpBackend.when("GET", "/messages").respond(200, {
chunk: [EVENTS[0]],
start: "pagin_start",
end: "pagin_end",
});
httpBackend.flush("/messages", 1);
return client.scrollback(room!);
})
.then(function () {
expect(room!.timeline.length).toEqual(2);
expect(room!.timeline[0].event).toEqual(EVENTS[0]);
expect(room!.timeline[1].event).toEqual(EVENTS[1]);
expect(room!.oldState.paginationToken).toEqual("pagin_end");
});
});
});
describe("MatrixClient event timelines", function () {
let client: MatrixClient;
let httpBackend: HttpBackend;
beforeEach(function () {
const testClient = new TestClient(userId, "DEVICE", accessToken, undefined, { timelineSupport: true });
client = testClient.client;
httpBackend = testClient.httpBackend;
return startClient(httpBackend, client);
});
afterEach(function () {
httpBackend.verifyNoOutstandingExpectation();
client.stopClient();
Thread.setServerSideSupport(FeatureSupport.None);
Thread.setServerSideListSupport(FeatureSupport.None);
Thread.setServerSideFwdPaginationSupport(FeatureSupport.None);
});
async function flushHttp<T>(promise: Promise<T>): Promise<T> {
return Promise.all([promise, httpBackend.flushAllExpected()]).then(([result]) => result);
}
describe("getEventTimeline", function () {
it("should create a new timeline for new events", function () {
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0];
httpBackend.when("GET", "/rooms/!foo%3Abar/context/event1%3Abar").respond(200, function () {
return {
start: "start_token",
events_before: [EVENTS[1], EVENTS[0]],
event: EVENTS[2],
events_after: [EVENTS[3]],
state: [ROOM_NAME_EVENT, USER_MEMBERSHIP_EVENT],
end: "end_token",
};
});
return Promise.all([
client.getEventTimeline(timelineSet, "event1:bar").then(function (tl) {
expect(tl!.getEvents().length).toEqual(4);
for (let i = 0; i < 4; i++) {
expect(tl!.getEvents()[i].event).toEqual(EVENTS[i]);
expect(tl!.getEvents()[i]?.sender?.name).toEqual(userName);
}
expect(tl!.getPaginationToken(EventTimeline.BACKWARDS)).toEqual("start_token");
expect(tl!.getPaginationToken(EventTimeline.FORWARDS)).toEqual("end_token");
}),
httpBackend.flushAllExpected(),
]);
});
it("should return existing timeline for known events", function () {
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0];
httpBackend.when("GET", "/sync").respond(200, {
next_batch: "s_5_4",
rooms: {
join: {
"!foo:bar": {
timeline: {
events: [withoutRoomId(EVENTS[0])],
prev_batch: "f_1_2",
},
},
},
},
});
return Promise.all([httpBackend.flush("/sync"), utils.syncPromise(client)])
.then(function () {
return client.getEventTimeline(timelineSet, EVENTS[0].event_id!);
})
.then(function (tl) {
expect(tl!.getEvents().length).toEqual(2);
expect(tl!.getEvents()[1].event).toEqual(EVENTS[0]);
expect(tl!.getEvents()[1]?.sender?.name).toEqual(userName);
expect(tl!.getPaginationToken(EventTimeline.BACKWARDS)).toEqual("f_1_1");
// expect(tl.getPaginationToken(EventTimeline.FORWARDS))
// .toEqual("s_5_4");
});
});
it("should update timelines where they overlap a previous /sync", function () {
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0];
httpBackend.when("GET", "/sync").respond(200, {
next_batch: "s_5_4",
rooms: {
join: {
"!foo:bar": {
timeline: {
events: [withoutRoomId(EVENTS[3])],
prev_batch: "f_1_2",
},
},
},
},
});
httpBackend
.when("GET", "/rooms/!foo%3Abar/context/" + encodeURIComponent(EVENTS[2].event_id!))
.respond(200, function () {
return {
start: "start_token",
events_before: [EVENTS[1]],
event: EVENTS[2],
events_after: [EVENTS[3]],
end: "end_token",
state: [],
};
});
const prom = new Promise((resolve, reject) => {
client.on(ClientEvent.Sync, function () {
client
.getEventTimeline(timelineSet, EVENTS[2].event_id!)
.then(function (tl) {
expect(tl!.getEvents().length).toEqual(4);
expect(tl!.getEvents()[0].event).toEqual(EVENTS[1]);
expect(tl!.getEvents()[1].event).toEqual(EVENTS[2]);
expect(tl!.getEvents()[3].event).toEqual(EVENTS[3]);
expect(tl!.getPaginationToken(EventTimeline.BACKWARDS)).toEqual("start_token");
// expect(tl.getPaginationToken(EventTimeline.FORWARDS))
// .toEqual("s_5_4");
})
.then(resolve, reject);
});
});
return Promise.all([httpBackend.flushAllExpected(), prom]);
});
it("should join timelines where they overlap a previous /context", function () {
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0];
// we fetch event 0, then 2, then 3, and finally 1. 1 is returned
// with context which joins them all up.
httpBackend
.when("GET", "/rooms/!foo%3Abar/context/" + encodeURIComponent(EVENTS[0].event_id!))
.respond(200, function () {
return {
start: "start_token0",
events_before: [],
event: EVENTS[0],
events_after: [],
end: "end_token0",
state: [],
};
});
httpBackend
.when("GET", "/rooms/!foo%3Abar/context/" + encodeURIComponent(EVENTS[2].event_id!))
.respond(200, function () {
return {
start: "start_token2",
events_before: [],
event: EVENTS[2],
events_after: [],
end: "end_token2",
state: [],
};
});
httpBackend
.when("GET", "/rooms/!foo%3Abar/context/" + encodeURIComponent(EVENTS[3].event_id!))
.respond(200, function () {
return {
start: "start_token3",
events_before: [],
event: EVENTS[3],
events_after: [],
end: "end_token3",
state: [],
};
});
httpBackend
.when("GET", "/rooms/!foo%3Abar/context/" + encodeURIComponent(EVENTS[1].event_id!))
.respond(200, function () {
return {
start: "start_token4",
events_before: [EVENTS[0]],
event: EVENTS[1],
events_after: [EVENTS[2], EVENTS[3]],
end: "end_token4",
state: [],
};
});
let tl0: EventTimeline;
let tl3: EventTimeline;
return Promise.all([
client
.getEventTimeline(timelineSet, EVENTS[0].event_id!)
.then(function (tl) {
expect(tl!.getEvents().length).toEqual(1);
tl0 = tl!;
return client.getEventTimeline(timelineSet, EVENTS[2].event_id!);
})
.then(function (tl) {
expect(tl!.getEvents().length).toEqual(1);
return client.getEventTimeline(timelineSet, EVENTS[3].event_id!);
})
.then(function (tl) {
expect(tl!.getEvents().length).toEqual(1);
tl3 = tl!;
return client.getEventTimeline(timelineSet, EVENTS[1].event_id!);
})
.then(function (tl) {
// we expect it to get merged in with event 2
expect(tl!.getEvents().length).toEqual(2);
expect(tl!.getEvents()[0].event).toEqual(EVENTS[1]);
expect(tl!.getEvents()[1].event).toEqual(EVENTS[2]);
expect(tl!.getNeighbouringTimeline(EventTimeline.BACKWARDS)).toBe(tl0);
expect(tl!.getNeighbouringTimeline(EventTimeline.FORWARDS)).toBe(tl3);
expect(tl0.getPaginationToken(EventTimeline.BACKWARDS)).toEqual("start_token0");
expect(tl0.getPaginationToken(EventTimeline.FORWARDS)).toBe(null);
expect(tl3.getPaginationToken(EventTimeline.BACKWARDS)).toBe(null);
expect(tl3.getPaginationToken(EventTimeline.FORWARDS)).toEqual("end_token3");
}),
httpBackend.flushAllExpected(),
]);
});
it("should fail gracefully if there is no event field", function () {
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0];
// we fetch event 0, then 2, then 3, and finally 1. 1 is returned
// with context which joins them all up.
httpBackend.when("GET", "/rooms/!foo%3Abar/context/event1").respond(200, function () {
return {
start: "start_token",
events_before: [],
events_after: [],
end: "end_token",
state: [],
};
});
return Promise.all([
client.getEventTimeline(timelineSet, "event1").then(
function (tl) {
// could do with a fail()
expect(true).toBeFalsy();
},
function (e) {
expect(String(e)).toMatch(/'event'/);
},
),
httpBackend.flushAllExpected(),
]);
});
it("should handle thread replies with server support by fetching a contiguous thread timeline", async () => {
// @ts-ignore
client.clientOpts.threadSupport = true;
Thread.setServerSideSupport(FeatureSupport.Experimental);
await client.stopClient(); // we don't need the client to be syncing at this time
const room = client.getRoom(roomId)!;
httpBackend
.when("GET", "/rooms/!foo%3Abar/event/" + encodeURIComponent(THREAD_ROOT.event_id!))
.respond(200, function () {
return THREAD_ROOT;
});
httpBackend
.when("GET", "/rooms/!foo%3Abar/event/" + encodeURIComponent(THREAD_ROOT.event_id!))
.respond(200, function () {
return THREAD_ROOT;
});
httpBackend
.when(
"GET",
"/rooms/!foo%3Abar/relations/" +
encodeURIComponent(THREAD_ROOT.event_id!) +
"/" +
encodeURIComponent(THREAD_RELATION_TYPE.name) +
buildRelationPaginationQuery({ dir: Direction.Backward, limit: 1 }),
)
.respond(200, function () {
return {
chunk: [THREAD_REPLY],
// no next batch as this is the oldest end of the timeline
};
});
const thread = room.createThread(THREAD_ROOT.event_id!, undefined, [], false);
await httpBackend.flushAllExpected();
const timelineSet = thread.timelineSet;
const timeline = await client.getEventTimeline(timelineSet, THREAD_REPLY.event_id!);
const eventIds = timeline!.getEvents().map((it) => it.getId());
expect(eventIds).toContain(THREAD_ROOT.event_id);
expect(eventIds).toContain(THREAD_REPLY.event_id);
});
it("should return relevant timeline from non-thread timelineSet when asking for the thread root", async () => {
// @ts-ignore
client.clientOpts.threadSupport = true;
Thread.setServerSideSupport(FeatureSupport.Experimental);
client.stopClient(); // we don't need the client to be syncing at this time
const room = client.getRoom(roomId)!;
const threadRoot = new MatrixEvent(THREAD_ROOT);
const thread = room.createThread(THREAD_ROOT.event_id!, threadRoot, [threadRoot], false)!;
const timelineSet = room.getTimelineSets()[0]!;
httpBackend
.when("GET", "/rooms/!foo%3Abar/context/" + encodeURIComponent(THREAD_ROOT.event_id!))
.respond(200, function () {
return {
start: "start_token0",
events_before: [],
event: THREAD_ROOT,
events_after: [],
end: "end_token0",
state: [],
};
});
const [timeline] = await Promise.all([
client.getEventTimeline(timelineSet, THREAD_ROOT.event_id!),
httpBackend.flushAllExpected(),
]);
expect(timeline!).not.toBe(thread.liveTimeline);
expect(timelineSet.getTimelines()).toContain(timeline);
expect(timeline!.getEvents().find((e) => e.getId() === THREAD_ROOT.event_id!)).toBeTruthy();
});
it("should return undefined when event is not in the thread that the given timelineSet is representing", () => {
// @ts-ignore
client.clientOpts.threadSupport = true;
Thread.setServerSideSupport(FeatureSupport.Experimental);
client.stopClient(); // we don't need the client to be syncing at this time
const room = client.getRoom(roomId)!;
const threadRoot = new MatrixEvent(THREAD_ROOT);
const thread = room.createThread(THREAD_ROOT.event_id!, threadRoot, [threadRoot], false);
const timelineSet = thread.timelineSet;
httpBackend
.when("GET", "/rooms/!foo%3Abar/context/" + encodeURIComponent(EVENTS[0].event_id!))
.respond(200, function () {
return {
start: "start_token0",
events_before: [],
event: EVENTS[0],
events_after: [],
end: "end_token0",
state: [],
};
});
return Promise.all([
expect(client.getEventTimeline(timelineSet, EVENTS[0].event_id!)).resolves.toBeUndefined(),
httpBackend.flushAllExpected(),
]);
});
it("should return undefined when event is within a thread but timelineSet is not", () => {
// @ts-ignore
client.clientOpts.threadSupport = true;
Thread.setServerSideSupport(FeatureSupport.Experimental);
client.stopClient(); // we don't need the client to be syncing at this time
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0];
httpBackend
.when("GET", "/rooms/!foo%3Abar/context/" + encodeURIComponent(THREAD_REPLY.event_id!))
.respond(200, function () {
return {
start: "start_token0",
events_before: [],
event: THREAD_REPLY,
events_after: [],
end: "end_token0",
state: [],
};
});
return Promise.all([
expect(client.getEventTimeline(timelineSet, THREAD_REPLY.event_id!)).resolves.toBeUndefined(),
httpBackend.flushAllExpected(),
]);
});
it("should should add lazy loading filter when requested", async () => {
// @ts-ignore
client.clientOpts.lazyLoadMembers = true;
client.stopClient(); // we don't need the client to be syncing at this time
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0];
const req = httpBackend.when("GET", "/rooms/!foo%3Abar/context/" + encodeURIComponent(EVENTS[0].event_id!));
req.respond(200, function () {
return {
start: "start_token0",
events_before: [],
event: EVENTS[0],
events_after: [],
end: "end_token0",
state: [],
};
});
req.check((request) => {
expect(request.queryParams?.filter).toEqual(JSON.stringify(Filter.LAZY_LOADING_MESSAGES_FILTER));
});
await Promise.all([
client.getEventTimeline(timelineSet, EVENTS[0].event_id!),
httpBackend.flushAllExpected(),
]);
});
});
describe("getLatestTimeline", function () {
it("timeline support must be enabled to work", async function () {
await client.stopClient();
const testClient = new TestClient(userId, "DEVICE", accessToken, undefined, { timelineSupport: false });
client = testClient.client;
httpBackend = testClient.httpBackend;
await startClient(httpBackend, client);
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0]!;
await expect(client.getLatestTimeline(timelineSet)).rejects.toBeTruthy();
});
it("timeline support works when enabled", async function () {
await client.stopClient();
const testClient = new TestClient(userId, "DEVICE", accessToken, undefined, { timelineSupport: true });
client = testClient.client;
httpBackend = testClient.httpBackend;
return startClient(httpBackend, client).then(() => {
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0];
httpBackend.when("GET", `/rooms/${encodeURIComponent(roomId)}/context/event`).respond(200, () => ({
event: {
event_id: "event",
},
events_after: [],
events_before: [],
state: [],
}));
return Promise.all([
expect(client.getEventTimeline(timelineSet, "event")).resolves.toBeTruthy(),
httpBackend.flushAllExpected(),
]);
});
});
it("only works with room timelines", async function () {
await client.stopClient();
const testClient = new TestClient(userId, "DEVICE", accessToken, undefined, { timelineSupport: true });
client = testClient.client;
httpBackend = testClient.httpBackend;
await startClient(httpBackend, client);
const timelineSet = new EventTimelineSet(undefined);
await expect(client.getLatestTimeline(timelineSet)).rejects.toBeTruthy();
});
it("should create a new timeline for new events", function () {
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0];
const latestMessageId = "event1:bar";
httpBackend.when("GET", "/rooms/!foo%3Abar/messages").respond(200, function () {
return {
chunk: [
{
event_id: latestMessageId,
},
],
};
});
httpBackend
.when("GET", `/rooms/!foo%3Abar/context/${encodeURIComponent(latestMessageId)}`)
.respond(200, function () {
return {
start: "start_token",
events_before: [EVENTS[1], EVENTS[0]],
event: EVENTS[2],
events_after: [EVENTS[3]],
state: [ROOM_NAME_EVENT, USER_MEMBERSHIP_EVENT],
end: "end_token",
};
});
return Promise.all([
client.getLatestTimeline(timelineSet).then(function (tl) {
// Instead of this assertion logic, we could just add a spy
// for `getEventTimeline` and make sure it's called with the
// correct parameters. This doesn't feel too bad to make sure
// `getLatestTimeline` is doing the right thing though.
expect(tl!.getEvents().length).toEqual(4);
for (let i = 0; i < 4; i++) {
expect(tl!.getEvents()[i].event).toEqual(EVENTS[i]);
expect(tl!.getEvents()[i]?.sender?.name).toEqual(userName);
}
expect(tl!.getPaginationToken(EventTimeline.BACKWARDS)).toEqual("start_token");
expect(tl!.getPaginationToken(EventTimeline.FORWARDS)).toEqual("end_token");
}),
httpBackend.flushAllExpected(),
]);
});
it("should throw error when /messages does not return a message", () => {
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0];
httpBackend.when("GET", "/rooms/!foo%3Abar/messages").respond(200, () => {
return {
chunk: [
// No messages to return
],
};
});
return Promise.all([
expect(client.getLatestTimeline(timelineSet)).rejects.toThrow(),
httpBackend.flushAllExpected(),
]);
});
});
describe("paginateEventTimeline", function () {
it("should allow you to paginate backwards", function () {
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0];
httpBackend
.when("GET", "/rooms/!foo%3Abar/context/" + encodeURIComponent(EVENTS[0].event_id!))
.respond(200, function () {
return {
start: "start_token0",
events_before: [],
event: EVENTS[0],
events_after: [],
end: "end_token0",
state: [],
};
});
httpBackend
.when("GET", "/rooms/!foo%3Abar/messages")
.check(function (req) {
const params = req.queryParams!;
expect(params.dir).toEqual("b");
expect(params.from).toEqual("start_token0");
expect(params.limit).toEqual("30");
})
.respond(200, function () {
return {
chunk: [EVENTS[1], EVENTS[2]],
end: "start_token1",
};
});
let tl: EventTimeline;
return Promise.all([
client
.getEventTimeline(timelineSet, EVENTS[0].event_id!)
.then(function (tl0) {
tl = tl0!;
return client.paginateEventTimeline(tl, { backwards: true });
})
.then(function (success) {
expect(success).toBeTruthy();
expect(tl!.getEvents().length).toEqual(3);
expect(tl!.getEvents()[0].event).toEqual(EVENTS[2]);
expect(tl!.getEvents()[1].event).toEqual(EVENTS[1]);
expect(tl!.getEvents()[2].event).toEqual(EVENTS[0]);
expect(tl!.getPaginationToken(EventTimeline.BACKWARDS)).toEqual("start_token1");
expect(tl!.getPaginationToken(EventTimeline.FORWARDS)).toEqual("end_token0");
}),
httpBackend.flushAllExpected(),
]);
});
it("should stop paginating when it encounters no `end` token", () => {
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0];
httpBackend
.when("GET", "/rooms/!foo%3Abar/context/" + encodeURIComponent(EVENTS[0].event_id!))
.respond(200, () => ({
start: "start_token0",
events_before: [],
event: EVENTS[0],
events_after: [],
end: "end_token0",
state: [],
}));
httpBackend
.when("GET", "/rooms/!foo%3Abar/messages")
.check(function (req) {
const params = req.queryParams!;
expect(params.dir).toEqual("b");
expect(params.from).toEqual("start_token0");
expect(params.limit).toEqual("30");
})
.respond(200, () => ({
start: "start_token0",
chunk: [],
}));
return Promise.all([
(async () => {
const tl = await client.getEventTimeline(timelineSet, EVENTS[0].event_id!);
const success = await client.paginateEventTimeline(tl!, { backwards: true });
expect(success).toBeFalsy();
expect(tl!.getEvents().length).toEqual(1);
expect(tl!.getPaginationToken(EventTimeline.BACKWARDS)).toEqual(null);
expect(tl!.getPaginationToken(EventTimeline.FORWARDS)).toEqual("end_token0");
})(),
httpBackend.flushAllExpected(),
]);
});
it("should allow you to paginate forwards", function () {
const room = client.getRoom(roomId)!;
const timelineSet = room.getTimelineSets()[0];
httpBackend
.when("GET", "/rooms/!foo%3Abar/context/" + encodeURIComponent(EVENTS[0].event_id!))
.respond(200, function () {
return {
start: "start_token0",
events_before: [],
event: EVENTS[0],
events_after: [],
end: "end_token0",
state: [],
};
});
httpBackend
.when("GET", "/rooms/!foo%3Abar/messages")
.check(function (req) {
const params = req.queryParams!;