pulumi/sdk/nodejs/tests/deasync.spec.ts

59 lines
1.8 KiB
TypeScript

// Copyright 2016-2018, Pulumi Corporation.
//
// 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.
// tslint:disable
import * as assert from "assert";
import { asyncTest } from "./util";
import { promiseResult } from "../utils";
describe("deasync", () => {
it("handles simple promise", () => {
const actual = 4;
const promise = new Promise<number>((resolve) => {
resolve(actual);
});
const result = promiseResult(promise);
assert.equal(result, actual);
});
it("handles rejected promise", () => {
const message = "etc";
const promise = new Promise<number>((resolve, reject) => {
reject(new Error(message));
});
try {
const result = promiseResult(promise);
assert.fail("Should not be able to reach here 1.")
}
catch (err) {
assert.equal(err.message, message);
return;
}
assert.fail("Should not be able to reach here 2.")
});
it("handles pumping", () => {
const actual = 4;
const promise = new Promise<number>((resolve) => {
setTimeout(resolve, 500 /*ms*/, actual);
});
const result = promiseResult(promise);
assert.equal(result, actual);
});
});