grpc-node/packages/grpc-js-xds/test/test-core.ts

63 lines
2.2 KiB
TypeScript

/*
* Copyright 2023 gRPC authors.
*
* 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 { Backend } from "./backend";
import { XdsTestClient } from "./client";
import { FakeCluster, FakeRouteGroup } from "./framework";
import { XdsServer } from "./xds-server";
import { register } from "../src";
import assert = require("assert");
register();
describe('core xDS functionality', () => {
let xdsServer: XdsServer;
let client: XdsTestClient;
beforeEach(done => {
xdsServer = new XdsServer();
xdsServer.startServer(error => {
done(error);
});
});
afterEach(() => {
client?.close();
xdsServer?.shutdownServer();
})
it('should route requests to the single backend', done => {
const cluster = new FakeCluster('cluster1', [{backends: [new Backend()], locality:{region: 'region1'}}]);
const routeGroup = new FakeRouteGroup('route1', [{cluster: cluster}]);
routeGroup.startAllBackends().then(() => {
xdsServer.setEdsResource(cluster.getEndpointConfig());
xdsServer.setCdsResource(cluster.getClusterConfig());
xdsServer.setRdsResource(routeGroup.getRouteConfiguration());
xdsServer.setLdsResource(routeGroup.getListener());
xdsServer.addResponseListener((typeUrl, responseState) => {
if (responseState.state === 'NACKED') {
client.stopCalls();
assert.fail(`Client NACKED ${typeUrl} resource with message ${responseState.errorMessage}`);
}
})
client = new XdsTestClient('route1', xdsServer);
client.startCalls(100);
routeGroup.waitForAllBackendsToReceiveTraffic().then(() => {
client.stopCalls();
done();
}, reason => done(reason));
}, reason => done(reason));
});
});