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

72 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.
import * as assert from "assert";
import { asyncTest } from "./util";
class Resource {
/**
* @internal
* Private field containing the type ID for this object. Useful for implementing `isInstance` on
* classes that inherit from `CustomResource`.
*/
// tslint:disable-next-line:variable-name
public readonly __pulumiType: string;
static saveType(type: string) {
(<any>this).__pulumiType = type;
}
public static isInstance(obj: any): obj is Resource {
if (obj === undefined || obj === null) {
return false;
}
return obj["__pulumiType"] === (<any>this).__pulumiType;
}
constructor(t: string) {
this.__pulumiType = t;
// Save the type as a "static" property on derived types.
// (<any>this.constructor).__pulumiType = t;
Resource.saveType(t);
}
public getType(): string {
return this.__pulumiType;
}
}
class MyResource extends Resource {
constructor() {
super("my");
}
}
class FooResource extends Resource {
constructor() {
super("foo");
}
}
describe("isInstance", () => {
it("fails", asyncTest(async () => {
//assert.ok(false);
}));
});