| /* |
| * |
| * Copyright 2014, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| var assert = require('assert'); |
| var grpc = require('bindings')('grpc.node'); |
| var Server = require('../src/server'); |
| |
| /** |
| * This is used for testing functions with multiple asynchronous calls that |
| * can happen in different orders. This should be passed the number of async |
| * function invocations that can occur last, and each of those should call this |
| * function's return value |
| * @param {function()} done The function that should be called when a test is |
| * complete. |
| * @param {number} count The number of calls to the resulting function if the |
| * test passes. |
| * @return {function()} The function that should be called at the end of each |
| * sequence of asynchronous functions. |
| */ |
| function multiDone(done, count) { |
| return function() { |
| count -= 1; |
| if (count <= 0) { |
| done(); |
| } |
| }; |
| } |
| |
| /** |
| * Responds to every request with the same data as a response |
| * @param {Stream} stream |
| */ |
| function echoHandler(stream) { |
| stream.pipe(stream); |
| } |
| |
| describe('echo server', function() { |
| var server; |
| var channel; |
| before(function() { |
| server = new Server(); |
| var port_num = server.bind('[::]:0'); |
| server.register('echo', echoHandler); |
| server.start(); |
| |
| channel = new grpc.Channel('localhost:' + port_num); |
| }); |
| it('should echo inputs as responses', function(done) { |
| done = multiDone(done, 4); |
| |
| var req_text = 'echo test string'; |
| var status_text = 'OK'; |
| |
| var deadline = new Date(); |
| deadline.setSeconds(deadline.getSeconds() + 3); |
| var call = new grpc.Call(channel, |
| 'echo', |
| deadline); |
| call.invoke(function(event) { |
| assert.strictEqual(event.type, |
| grpc.completionType.CLIENT_METADATA_READ); |
| done(); |
| },function(event) { |
| assert.strictEqual(event.type, grpc.completionType.FINISHED); |
| var status = event.data; |
| assert.strictEqual(status.code, grpc.status.OK); |
| assert.strictEqual(status.details, status_text); |
| server.shutdown(); |
| done(); |
| }, 0); |
| call.startWrite( |
| new Buffer(req_text), |
| function(event) { |
| assert.strictEqual(event.type, |
| grpc.completionType.WRITE_ACCEPTED); |
| assert.strictEqual(event.data, grpc.opError.OK); |
| call.writesDone(function(event) { |
| assert.strictEqual(event.type, |
| grpc.completionType.FINISH_ACCEPTED); |
| assert.strictEqual(event.data, grpc.opError.OK); |
| done(); |
| }); |
| }, 0); |
| call.startRead(function(event) { |
| assert.strictEqual(event.type, grpc.completionType.READ); |
| assert.strictEqual(event.data.toString(), req_text); |
| done(); |
| }); |
| }); |
| }); |