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

104 lines
4.4 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, createBackends } from "./backend";
import { XdsTestClient } from "./client";
import { FakeEdsCluster, FakeRouteGroup, FakeServerRoute } from "./framework";
import { ControlPlaneServer } from "./xds-server";
import { register } from "../src";
import assert = require("assert");
import { connectivityState } from "@grpc/grpc-js";
register();
describe('core xDS functionality', () => {
let xdsServer: ControlPlaneServer;
let client: XdsTestClient;
beforeEach(done => {
xdsServer = new ControlPlaneServer();
xdsServer.startServer(error => {
done(error);
});
});
afterEach(() => {
client?.close();
xdsServer?.shutdownServer();
})
it('should route requests to the single backend', async () => {
const [backend] = await createBackends(1);
const serverRoute = new FakeServerRoute(backend.getPort(), 'serverRoute');
xdsServer.setRdsResource(serverRoute.getRouteConfiguration());
xdsServer.setLdsResource(serverRoute.getListener());
xdsServer.addResponseListener((typeUrl, responseState) => {
if (responseState.state === 'NACKED') {
client?.stopCalls();
assert.fail(`Client NACKED ${typeUrl} resource with message ${responseState.errorMessage}`);
}
});
const cluster = new FakeEdsCluster('cluster1', 'endpoint1', [{backends: [backend], locality:{region: 'region1'}}]);
const routeGroup = new FakeRouteGroup('listener1', 'route1', [{cluster: cluster}]);
await routeGroup.startAllBackends(xdsServer);
xdsServer.setEdsResource(cluster.getEndpointConfig());
xdsServer.setCdsResource(cluster.getClusterConfig());
xdsServer.setRdsResource(routeGroup.getRouteConfiguration());
xdsServer.setLdsResource(routeGroup.getListener());
client = XdsTestClient.createFromServer('listener1', xdsServer);
client.startCalls(100);
await routeGroup.waitForAllBackendsToReceiveTraffic();
client.stopCalls();
});
it('should be able to enter and exit idle', function(done) {
this.timeout(5000);
createBackends(1).then(([backend]) => {
const serverRoute = new FakeServerRoute(backend.getPort(), 'serverRoute');
xdsServer.setRdsResource(serverRoute.getRouteConfiguration());
xdsServer.setLdsResource(serverRoute.getListener());
xdsServer.addResponseListener((typeUrl, responseState) => {
if (responseState.state === 'NACKED') {
client.stopCalls();
assert.fail(`Client NACKED ${typeUrl} resource with message ${responseState.errorMessage}`);
}
});
const cluster = new FakeEdsCluster('cluster1', 'endpoint1', [{backends: [backend], locality:{region: 'region1'}}]);
const routeGroup = new FakeRouteGroup('listener1', 'route1', [{cluster: cluster}]);
routeGroup.startAllBackends(xdsServer).then(() => {
xdsServer.setEdsResource(cluster.getEndpointConfig());
xdsServer.setCdsResource(cluster.getClusterConfig());
xdsServer.setRdsResource(routeGroup.getRouteConfiguration());
xdsServer.setLdsResource(routeGroup.getListener());
const serverRoute = new FakeServerRoute(backend.getPort(), 'serverRoute');
xdsServer.setRdsResource(serverRoute.getRouteConfiguration());
xdsServer.setLdsResource(serverRoute.getListener());
client = XdsTestClient.createFromServer('listener1', xdsServer, {
'grpc.client_idle_timeout_ms': 1000,
});
client.sendOneCall(error => {
assert.ifError(error);
assert.strictEqual(client.getConnectivityState(), connectivityState.READY);
setTimeout(() => {
assert.strictEqual(client.getConnectivityState(), connectivityState.IDLE);
client.sendOneCall(error => {
done(error);
})
}, 1100);
});
}, reason => done(reason));
}, reason => done(reason));
});
});