| /* |
| * |
| * 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 + '/../examples/math.proto').math; |
| |
| /** |
| * Client to use to make requests to a running server. |
| */ |
| var math_client; |
| |
| /** |
| * Server to test against |
| */ |
| var server = require('../examples/math_server.js'); |
| |
| |
| describe('Math client', function() { |
| before(function(done) { |
| var port_num = server.bind('0.0.0.0:0'); |
| server.listen(); |
| math_client = new math.Math('localhost:' + port_num); |
| done(); |
| }); |
| after(function() { |
| server.shutdown(); |
| }); |
| 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('status', function checkStatus(status) { |
| assert.notEqual(status.code, grpc.status.OK); |
| done(); |
| }); |
| }); |
| }); |