element-web/test/utils/connection-test.ts

44 lines
1.4 KiB
TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 2022 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
import { ClientEvent, ClientEventHandlerMap, SyncState } from "matrix-js-sdk/src/matrix";
import { createReconnectedListener } from "../../src/utils/connection";
describe("createReconnectedListener", () => {
let reconnectedListener: ClientEventHandlerMap[ClientEvent.Sync];
let onReconnect: jest.Mock;
beforeEach(() => {
onReconnect = jest.fn();
reconnectedListener = createReconnectedListener(onReconnect);
});
[
[SyncState.Prepared, SyncState.Syncing],
[SyncState.Syncing, SyncState.Reconnecting],
[SyncState.Reconnecting, SyncState.Syncing],
].forEach(([from, to]) => {
it(`should invoke the callback on a transition from ${from} to ${to}`, () => {
reconnectedListener(to, from);
expect(onReconnect).toHaveBeenCalled();
});
});
[
[SyncState.Syncing, SyncState.Syncing],
[SyncState.Catchup, SyncState.Error],
[SyncState.Reconnecting, SyncState.Error],
].forEach(([from, to]) => {
it(`should not invoke the callback on a transition from ${from} to ${to}`, () => {
reconnectedListener(to, from);
expect(onReconnect).not.toHaveBeenCalled();
});
});
});