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

136 lines
3.7 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 loader from '@grpc/proto-loader';
import * as assert2 from './assert2';
import * as path from 'path';
import * as grpc from '../src';
import {
GrpcObject,
ServiceClientConstructor,
ServiceClient,
loadPackageDefinition,
} from '../src/make-client';
import { readFileSync } from 'fs';
const protoLoaderOptions = {
keepCase: true,
longs: String,
enums: String,
defaults: true,
oneofs: true,
};
export function mockFunction(): never {
throw new Error('Not implemented');
}
export function loadProtoFile(file: string): GrpcObject {
const packageDefinition = loader.loadSync(file, protoLoaderOptions);
return loadPackageDefinition(packageDefinition);
}
const protoFile = path.join(__dirname, 'fixtures', 'echo_service.proto');
const echoService = loadProtoFile(protoFile)
.EchoService as ServiceClientConstructor;
const ca = readFileSync(path.join(__dirname, 'fixtures', 'ca.pem'));
const key = readFileSync(path.join(__dirname, 'fixtures', 'server1.key'));
const cert = readFileSync(path.join(__dirname, 'fixtures', 'server1.pem'));
const serviceImpl = {
echo: (
call: grpc.ServerUnaryCall<any, any>,
callback: grpc.sendUnaryData<any>
) => {
callback(null, call.request);
},
};
export class TestServer {
private server: grpc.Server;
public port: number | null = null;
constructor(public useTls: boolean, options?: grpc.ChannelOptions) {
this.server = new grpc.Server(options);
this.server.addService(echoService.service, serviceImpl);
}
start(): Promise<void> {
let credentials: grpc.ServerCredentials;
if (this.useTls) {
credentials = grpc.ServerCredentials.createSsl(null, [
{ private_key: key, cert_chain: cert },
]);
} else {
credentials = grpc.ServerCredentials.createInsecure();
}
return new Promise<void>((resolve, reject) => {
this.server.bindAsync('localhost:0', credentials, (error, port) => {
if (error) {
reject(error);
return;
}
this.port = port;
this.server.start();
resolve();
});
});
}
shutdown() {
this.server.forceShutdown();
}
}
export class TestClient {
private client: ServiceClient;
constructor(port: number, useTls: boolean, options?: grpc.ChannelOptions) {
let credentials: grpc.ChannelCredentials;
if (useTls) {
credentials = grpc.credentials.createSsl(ca);
} else {
credentials = grpc.credentials.createInsecure();
}
this.client = new echoService(`localhost:${port}`, credentials, options);
}
static createFromServer(server: TestServer, options?: grpc.ChannelOptions) {
if (server.port === null) {
throw new Error('Cannot create client, server not started');
}
return new TestClient(server.port, server.useTls, options);
}
waitForReady(deadline: grpc.Deadline, callback: (error?: Error) => void) {
this.client.waitForReady(deadline, callback);
}
sendRequest(callback: (error: grpc.ServiceError) => void) {
this.client.echo({}, callback);
}
getChannelState() {
return this.client.getChannel().getConnectivityState(false);
}
close() {
this.client.close();
}
}
export { assert2 };