89 lines
3.0 KiB
TypeScript
89 lines
3.0 KiB
TypeScript
/*
|
|
Copyright 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 { defer } from "matrix-js-sdk/src/utils";
|
|
|
|
import defaultDispatcher from "../../src/dispatcher/dispatcher";
|
|
import { Action } from "../../src/dispatcher/actions";
|
|
import { AsyncActionPayload } from "../../src/dispatcher/payloads";
|
|
|
|
describe("MatrixDispatcher", () => {
|
|
it("should throw error if unregistering unknown token", () => {
|
|
expect(() => defaultDispatcher.unregister("not-a-real-token")).toThrow(
|
|
"Dispatcher.unregister(...): 'not-a-real-token' does not map to a registered callback.",
|
|
);
|
|
});
|
|
|
|
it("should execute callbacks in registered order", async () => {
|
|
const deferred1 = defer<number>();
|
|
const deferred2 = defer<number>();
|
|
|
|
const fn1 = jest.fn(() => deferred1.resolve(1));
|
|
const fn2 = jest.fn(() => deferred2.resolve(2));
|
|
|
|
defaultDispatcher.register(fn1);
|
|
defaultDispatcher.register(fn2);
|
|
|
|
defaultDispatcher.dispatch({ action: Action.OnLoggedIn });
|
|
const res = await Promise.race([deferred1.promise, deferred2.promise]);
|
|
|
|
expect(res).toBe(1);
|
|
});
|
|
|
|
it("should skip the queue for the given callback", async () => {
|
|
const deferred1 = defer<number>();
|
|
const deferred2 = defer<number>();
|
|
|
|
const fn1 = jest.fn(() => deferred1.resolve(1));
|
|
const fn2 = jest.fn(() => deferred2.resolve(2));
|
|
|
|
defaultDispatcher.register(() => {
|
|
defaultDispatcher.waitFor([id2]);
|
|
});
|
|
defaultDispatcher.register(fn1);
|
|
const id2 = defaultDispatcher.register(fn2);
|
|
|
|
defaultDispatcher.dispatch({ action: Action.OnLoggedIn });
|
|
const res = await Promise.race([deferred1.promise, deferred2.promise]);
|
|
|
|
expect(res).toBe(2);
|
|
});
|
|
|
|
it("should not fire callback which was added during a dispatch", () => {
|
|
const fn2 = jest.fn();
|
|
|
|
defaultDispatcher.register(() => {
|
|
defaultDispatcher.register(fn2);
|
|
});
|
|
|
|
defaultDispatcher.dispatch({ action: Action.OnLoggedIn }, true);
|
|
|
|
expect(fn2).not.toHaveBeenCalled();
|
|
});
|
|
|
|
it("should handle AsyncActionPayload", () => {
|
|
const fn = jest.fn();
|
|
defaultDispatcher.register(fn);
|
|
|
|
const readyFn = jest.fn((dispatch) => {
|
|
dispatch({ action: "test" });
|
|
});
|
|
defaultDispatcher.dispatch(new AsyncActionPayload(readyFn), true);
|
|
|
|
expect(fn).toHaveBeenLastCalledWith(expect.objectContaining({ action: "test" }));
|
|
});
|
|
});
|