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-/*
- *
- * 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);
- });
- after(function() {
- server.shutdown();
- });
- 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);
- 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();
- });
- });
-});