/* * * Copyright 2015, 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. * */ 'use strict'; var assert = require('assert'); var grpc = require('..'); var math = grpc.load(__dirname + '/../../proto/math/math.proto').math; /** * Client to use to make requests to a running server. */ var math_client; /** * Server to test against */ var getServer = require('./math/math_server.js'); var server = getServer(); describe('Math client', function() { before(function(done) { var port_num = server.bind('0.0.0.0:0', grpc.ServerCredentials.createInsecure()); server.start(); math_client = new math.Math('localhost:' + port_num, grpc.credentials.createInsecure()); done(); }); after(function() { server.forceShutdown(); }); it('should handle a single request', function(done) { var arg = {dividend: 7, divisor: 4}; math_client.div(arg, function handleDivResult(err, value) { assert.ifError(err); assert.equal(value.quotient, 1); assert.equal(value.remainder, 3); done(); }); }); it('should handle an error from a unary request', function(done) { var arg = {dividend: 7, divisor: 0}; math_client.div(arg, function handleDivResult(err, value) { assert(err); done(); }); }); it('should handle a server streaming request', function(done) { var call = math_client.fib({limit: 7}); var expected_results = [1, 1, 2, 3, 5, 8, 13]; var next_expected = 0; call.on('data', function checkResponse(value) { assert.equal(value.num, expected_results[next_expected]); next_expected += 1; }); call.on('status', function checkStatus(status) { assert.strictEqual(status.code, grpc.status.OK); done(); }); }); it('should handle a client streaming request', function(done) { var call = math_client.sum(function handleSumResult(err, value) { assert.ifError(err); assert.equal(value.num, 21); }); for (var i = 0; i < 7; i++) { call.write({'num': i}); } call.end(); call.on('status', function checkStatus(status) { assert.strictEqual(status.code, grpc.status.OK); done(); }); }); it('should handle a bidirectional streaming request', function(done) { function checkResponse(index, value) { assert.equal(value.quotient, index); assert.equal(value.remainder, 1); } var call = math_client.divMany(); var response_index = 0; call.on('data', function(value) { checkResponse(response_index, value); response_index += 1; }); for (var i = 0; i < 7; i++) { call.write({dividend: 2 * i + 1, divisor: 2}); } call.end(); call.on('status', function checkStatus(status) { assert.strictEqual(status.code, grpc.status.OK); done(); }); }); it('should handle an error from a bidi request', function(done) { var call = math_client.divMany(); call.on('data', function(value) { assert.fail(value, undefined, 'Unexpected data response on failing call', '!='); }); call.write({dividend: 7, divisor: 0}); call.end(); call.on('error', function checkStatus(status) { done(); }); }); });