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Cypress test for unthreaded receipts not clobbering main thread ones #10769
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/* | ||
Copyright 2023 The Matrix.org Foundation C.I.C. | ||
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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 | ||
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http://www.apache.org/licenses/LICENSE-2.0 | ||
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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. | ||
*/ | ||
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/// <reference types="cypress" /> | ||
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import type { MatrixClient, MatrixEvent } from "matrix-js-sdk/src/matrix"; | ||
import type { ISendEventResponse } from "matrix-js-sdk/src/@types/requests"; | ||
import type { ReceiptType } from "matrix-js-sdk/src/@types/read_receipts"; | ||
import { HomeserverInstance } from "../../plugins/utils/homeserver"; | ||
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describe("Read receipts", () => { | ||
const userName = "Mae"; | ||
const botName = "Other User"; | ||
const selectedRoomName = "Selected Room"; | ||
const otherRoomName = "Other Room"; | ||
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let homeserver: HomeserverInstance; | ||
let otherRoomId: string; | ||
let selectedRoomId: string; | ||
let bot: MatrixClient | undefined; | ||
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const botSendMessage = (): Cypress.Chainable<ISendEventResponse> => { | ||
return cy.botSendMessage(bot, otherRoomId, "Message"); | ||
}; | ||
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const fakeEventFromSent = (eventResponse: ISendEventResponse): MatrixEvent => { | ||
return { | ||
getRoomId: () => otherRoomId, | ||
getId: () => eventResponse.event_id, | ||
threadRootId: undefined, | ||
getTs: () => 1, | ||
} as any as MatrixEvent; | ||
}; | ||
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beforeEach(() => { | ||
/* | ||
* Create 2 rooms: | ||
* | ||
* - Selected room - this one is clicked in the UI | ||
* - Other room - this one contains the bot, which will send events so | ||
* we can check its unread state. | ||
*/ | ||
cy.startHomeserver("default").then((data) => { | ||
homeserver = data; | ||
cy.initTestUser(homeserver, userName) | ||
.then(() => { | ||
cy.createRoom({ name: selectedRoomName }).then((createdRoomId) => { | ||
selectedRoomId = createdRoomId; | ||
}); | ||
}) | ||
.then(() => { | ||
cy.createRoom({ name: otherRoomName }).then((createdRoomId) => { | ||
otherRoomId = createdRoomId; | ||
}); | ||
}) | ||
.then(() => { | ||
cy.getBot(homeserver, { displayName: botName }).then((botClient) => { | ||
bot = botClient; | ||
}); | ||
}) | ||
.then(() => { | ||
// Invite the bot to Other room | ||
cy.inviteUser(otherRoomId, bot.getUserId()); | ||
cy.visit("/#/room/" + otherRoomId); | ||
cy.findByText(botName + " joined the room").should("exist"); | ||
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// Then go into Selected room | ||
cy.visit("/#/room/" + selectedRoomId); | ||
}); | ||
}); | ||
}); | ||
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afterEach(() => { | ||
cy.stopHomeserver(homeserver); | ||
}); | ||
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it( | ||
"Considers room read if there's a receipt for main even if an earlier unthreaded receipt exists #24629", | ||
{ | ||
// When #24629 exists, the test fails the first time but passes later, so we disable retries | ||
// to be sure we are going to fail if the bug comes back. | ||
// Why does it pass the second time? I wish I knew. (andyb) | ||
retries: 0, | ||
}, | ||
() => { | ||
// Details are in https://github.com/vector-im/element-web/issues/24629 | ||
// This proves we've fixed one of the "stuck unreads" issues. | ||
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// Given we sent 3 events on the main thread | ||
botSendMessage(); | ||
botSendMessage().then((main2) => { | ||
botSendMessage().then((main3) => { | ||
// (So the room starts off unread) | ||
cy.findByLabelText(`${otherRoomName} 3 unread messages.`).should("exist"); | ||
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// When we send a threaded receipt for the last event in main | ||
// And an unthreaded receipt for an earlier event | ||
cy.sendReadReceipt(fakeEventFromSent(main3)); | ||
cy.sendReadReceipt(fakeEventFromSent(main2), "m.read" as any as ReceiptType, true); | ||
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// (So the room has no unreads) | ||
cy.findByLabelText(`${otherRoomName}`).should("exist"); | ||
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// And we persuade the app to persist its state to indexeddb by reloading and waiting | ||
cy.reload(); | ||
cy.findByLabelText(`${selectedRoomName}`).should("exist"); | ||
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// And we reload again, fetching the persisted state FROM indexeddb | ||
cy.reload(); | ||
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// Then the room is read, because the persisted state correctly remembers both | ||
// receipts. (In #24629, the unthreaded receipt overwrote the main thread one, | ||
// meaning that the room still said it had unread messages.) | ||
cy.findByLabelText(`${otherRoomName}`).should("exist"); | ||
cy.findByLabelText(`${otherRoomName} Unread messages.`).should("not.exist"); | ||
}); | ||
}); | ||
}, | ||
); | ||
}); |
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How does that piece of code persuade the accumulator to persist its state?
Is there a condition somewhere that flushes data to idb before Element is closed?
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It seems to flush immediately after reload. I don't know why 🤷