grpc-node/packages/grpc-js/test/test-client.ts

94 lines
2.7 KiB
TypeScript

/*
* Copyright 2019 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 * as assert from 'assert';
import * as grpc from '../src';
import { Server, ServerCredentials } from '../src';
import { Client } from '../src';
import { ConnectivityState } from '../src/channel';
const clientInsecureCreds = grpc.credentials.createInsecure();
const serverInsecureCreds = ServerCredentials.createInsecure();
describe('Client', () => {
let server: Server;
let client: Client;
before(done => {
server = new Server();
server.bindAsync(
'localhost:0',
serverInsecureCreds,
(err, port) => {
assert.ifError(err);
client = new Client(
`localhost:${port}`,
clientInsecureCreds
);
server.start();
done();
}
);
});
after(done => {
client.close();
server.tryShutdown(done);
});
it('should call the waitForReady callback only once, when channel connectivity state is READY', done => {
const deadline = Date.now() + 100;
let calledTimes = 0;
client.waitForReady(deadline, err => {
assert.ifError(err);
assert.equal(
client.getChannel().getConnectivityState(true),
ConnectivityState.READY
);
calledTimes += 1;
});
setTimeout(() => {
assert.equal(calledTimes, 1);
done();
}, deadline - Date.now());
});
});
describe('Client without a server', () => {
let client: Client;
before(() => {
// Arbitrary target that should not have a running server
client = new Client('localhost:12345', clientInsecureCreds);
});
after(() => {
client.close();
});
it('should fail multiple calls to the nonexistent server', done => {
// Regression test for https://github.com/grpc/grpc-node/issues/1411
client.makeUnaryRequest('/service/method', x => x, x => x, Buffer.from([]), (error, value) => {
assert(error);
assert.strictEqual(error?.code, grpc.status.UNAVAILABLE);
client.makeUnaryRequest('/service/method', x => x, x => x, Buffer.from([]), (error, value) => {
assert(error);
assert.strictEqual(error?.code, grpc.status.UNAVAILABLE);
done();
});
});
});
});