mirror of
https://github.com/grpc/grpc-node.git
synced 2025-12-08 18:23:54 +00:00
e9946c3f6c
The key change here is forcing the final unary call to wait for the server to be ready. The native client was making the RPC, but didn't appear to have a valid connection at the time.
122 lines
3.6 KiB
JavaScript
122 lines
3.6 KiB
JavaScript
/*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
const options = {
|
|
keepCase: true,
|
|
longs: String,
|
|
enums: String,
|
|
defaults: true,
|
|
oneofs: true
|
|
};
|
|
const path = require('path');
|
|
const fs = require('fs');
|
|
const assert = require('assert');
|
|
const _ = require('lodash');
|
|
const anyGrpc = require('../any_grpc');
|
|
const clientGrpc = anyGrpc.client;
|
|
const serverGrpc = anyGrpc.server;
|
|
const protoLoader = require('../../packages/proto-loader', options);
|
|
const testServiceDef = protoLoader.loadSync(__dirname + '/../proto/test_service.proto');
|
|
const TestService = serverGrpc.loadPackageDefinition(testServiceDef).TestService.service;
|
|
const TestServiceClient = clientGrpc.loadPackageDefinition(testServiceDef).TestService;
|
|
|
|
const clientCreds = clientGrpc.credentials.createInsecure();
|
|
const serverCreds = serverGrpc.ServerCredentials.createInsecure();
|
|
|
|
const serviceImpl = {
|
|
unary: function(call, cb) {
|
|
cb(null, {});
|
|
},
|
|
clientStream: function(stream, cb){
|
|
stream.on('data', function(data) {});
|
|
stream.on('end', function() {
|
|
cb(null, {});
|
|
});
|
|
},
|
|
serverStream: function(stream) {
|
|
stream.end();
|
|
},
|
|
bidiStream: function(stream) {
|
|
stream.on('data', function(data) {});
|
|
stream.on('end', function() {
|
|
stream.end();
|
|
});
|
|
}
|
|
};
|
|
|
|
describe('Reconnection', function() {
|
|
let server1;
|
|
let server2;
|
|
let port;
|
|
before(function(done) {
|
|
server1 = new serverGrpc.Server();
|
|
server1.addService(TestService, serviceImpl);
|
|
server2 = new serverGrpc.Server();
|
|
server2.addService(TestService, serviceImpl);
|
|
server1.bindAsync('localhost:0', serverCreds, (err, _port) => {
|
|
assert.ifError(err);
|
|
server1.start();
|
|
port = _port;
|
|
client = new TestServiceClient(`localhost:${port}`, clientCreds);
|
|
done();
|
|
});
|
|
});
|
|
after(function() {
|
|
client.close();
|
|
server1.forceShutdown();
|
|
server2.forceShutdown();
|
|
});
|
|
it('Should end with either OK or UNAVAILABLE when querying a server that is shutting down', function(done) {
|
|
this.timeout(10000);
|
|
let pendingCalls = 0;
|
|
let testDone = false;
|
|
let callInterval;
|
|
function maybeDone() {
|
|
if (testDone && pendingCalls === 0) {
|
|
done();
|
|
}
|
|
};
|
|
client.unary({}, (err, data) => {
|
|
assert.ifError(err);
|
|
server1.tryShutdown(() => {
|
|
server2.bindAsync(`localhost:${port}`, serverCreds, (err) => {
|
|
assert.ifError(err);
|
|
server2.start();
|
|
const metadata = new clientGrpc.Metadata({ waitForReady: true });
|
|
client.unary({}, metadata, (err, data) => {
|
|
assert.ifError(err);
|
|
clearInterval(callInterval);
|
|
testDone = true;
|
|
maybeDone();
|
|
});
|
|
});
|
|
});
|
|
callInterval = setInterval(() => {
|
|
assert.strictEqual(testDone, false);
|
|
pendingCalls += 1;
|
|
client.unary({}, (err, data) => {
|
|
pendingCalls -= 1;
|
|
if (err) {
|
|
assert.strictEqual(err.code, clientGrpc.status.UNAVAILABLE);
|
|
}
|
|
maybeDone();
|
|
});
|
|
}, 0);
|
|
});
|
|
});
|
|
});
|