58 lines
2.1 KiB
TypeScript
58 lines
2.1 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.
|
|
*/
|
|
|
|
/// <reference types="cypress" />
|
|
|
|
import Chainable = Cypress.Chainable;
|
|
|
|
declare global {
|
|
// eslint-disable-next-line @typescript-eslint/no-namespace
|
|
namespace Cypress {
|
|
interface Chainable {
|
|
/**
|
|
* Utility wrapper around promises to help control flow in tests
|
|
* Calls `fn` function `tries` times, with a sleep of `interval` between calls.
|
|
* Ensure you do not rely on any effects of calling any `cy.*` functions within the body of `fn`
|
|
* as the calls will not happen until after waitForPromise returns.
|
|
* @param fn the function to retry
|
|
* @param tries the number of tries to call it
|
|
* @param interval the time interval between tries
|
|
*/
|
|
waitForPromise(fn: () => Promise<unknown>, tries?: number, interval?: number): Chainable<unknown>;
|
|
}
|
|
}
|
|
}
|
|
|
|
function waitForPromise(fn: () => Promise<unknown>, tries = 10, interval = 1000): Chainable<unknown> {
|
|
return cy.then(
|
|
() =>
|
|
new Cypress.Promise(async (resolve, reject) => {
|
|
for (let i = 0; i < tries; i++) {
|
|
try {
|
|
const v = await fn();
|
|
resolve(v);
|
|
} catch {
|
|
await new Cypress.Promise((resolve) => setTimeout(resolve, interval));
|
|
}
|
|
}
|
|
reject();
|
|
}),
|
|
);
|
|
}
|
|
|
|
Cypress.Commands.add("waitForPromise", waitForPromise);
|
|
|
|
export {};
|