forked from EVOgeek/Vmeda.Online
45 lines
1.5 KiB
TypeScript
45 lines
1.5 KiB
TypeScript
// (C) Copyright 2015 Moodle Pty Ltd.
|
|
//
|
|
// 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 { CorePromisedValue } from '../promised-value';
|
|
|
|
describe('PromisedValue', () => {
|
|
|
|
it('works like a promise', async () => {
|
|
const promisedString = new CorePromisedValue<string>();
|
|
expect(promisedString.value).toBe(null);
|
|
expect(promisedString.isResolved()).toBe(false);
|
|
|
|
promisedString.resolve('foo');
|
|
expect(promisedString.isResolved()).toBe(true);
|
|
expect(promisedString.value).toBe('foo');
|
|
|
|
const resolvedValue = await promisedString;
|
|
expect(resolvedValue).toBe('foo');
|
|
});
|
|
|
|
it('can update values', async () => {
|
|
const promisedString = new CorePromisedValue<string>();
|
|
promisedString.resolve('foo');
|
|
promisedString.resolve('bar');
|
|
|
|
expect(promisedString.isResolved()).toBe(true);
|
|
expect(promisedString.value).toBe('bar');
|
|
|
|
const resolvedValue = await promisedString;
|
|
expect(resolvedValue).toBe('bar');
|
|
});
|
|
|
|
});
|