signal-desktop/libtextsecure/test/task_with_timeout_test.js
2020-11-04 13:03:13 -06:00

75 lines
2.2 KiB
JavaScript

// Copyright 2017-2020 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
/* global textsecure */
describe('createTaskWithTimeout', () => {
it('resolves when promise resolves', () => {
const task = () => Promise.resolve('hi!');
const taskWithTimeout = textsecure.createTaskWithTimeout(task);
return taskWithTimeout().then(result => {
assert.strictEqual(result, 'hi!');
});
});
it('flows error from promise back', () => {
const error = new Error('original');
const task = () => Promise.reject(error);
const taskWithTimeout = textsecure.createTaskWithTimeout(task);
return taskWithTimeout().catch(flowedError => {
assert.strictEqual(error, flowedError);
});
});
it('rejects if promise takes too long (this one logs error to console)', () => {
let complete = false;
const task = () =>
new Promise(resolve => {
setTimeout(() => {
complete = true;
resolve();
}, 3000);
});
const taskWithTimeout = textsecure.createTaskWithTimeout(task, this.name, {
timeout: 10,
});
return taskWithTimeout().then(
() => {
throw new Error('it was not supposed to resolve!');
},
() => {
assert.strictEqual(complete, false);
}
);
});
it('resolves if task returns something falsey', () => {
const task = () => {};
const taskWithTimeout = textsecure.createTaskWithTimeout(task);
return taskWithTimeout();
});
it('resolves if task returns a non-promise', () => {
const task = () => 'hi!';
const taskWithTimeout = textsecure.createTaskWithTimeout(task);
return taskWithTimeout().then(result => {
assert.strictEqual(result, 'hi!');
});
});
it('rejects if task throws (and does not log about taking too long)', () => {
const error = new Error('Task is throwing!');
const task = () => {
throw error;
};
const taskWithTimeout = textsecure.createTaskWithTimeout(task, this.name, {
timeout: 10,
});
return taskWithTimeout().then(
() => {
throw new Error('Overall task should reject!');
},
flowedError => {
assert.strictEqual(flowedError, error);
}
);
});
});