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/*
*
* 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 = require('./math/math_pb');
var MathClient = require('./math/math_grpc_pb').MathClient;
/**
* 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 MathClient('localhost:' + port_num,
grpc.credentials.createInsecure());
done();
});
after(function() {
server.forceShutdown();
});
it('should handle a single request', function(done) {
var arg = new math.DivArgs();
arg.setDividend(7);
arg.setDivisor(4);
math_client.div(arg, function handleDivResult(err, value) {
assert.ifError(err);
assert.equal(value.getQuotient(), 1);
assert.equal(value.getRemainder(), 3);
done();
});
});
it('should handle an error from a unary request', function(done) {
var arg = new math.DivArgs();
arg.setDividend(7);
arg.setDivisor(0);
math_client.div(arg, function handleDivResult(err, value) {
assert(err);
done();
});
});
it('should handle a server streaming request', function(done) {
var arg = new math.FibArgs();
arg.setLimit(7);
var call = math_client.fib(arg);
var expected_results = [1, 1, 2, 3, 5, 8, 13];
var next_expected = 0;
call.on('data', function checkResponse(value) {
assert.equal(value.getNum(), 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.getNum(), 21);
});
for (var i = 0; i < 7; i++) {
var arg = new math.Num();
arg.setNum(i);
call.write(arg);
}
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.getQuotient(), index);
assert.equal(value.getRemainder(), 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++) {
var arg = new math.DivArgs();
arg.setDividend(2 * i + 1);
arg.setDivisor(2);
call.write(arg);
}
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',
'!=');
});
var arg = new math.DivArgs();
arg.setDividend(7);
arg.setDivisor(0);
call.write(arg);
call.end();
call.on('error', function checkStatus(status) {
done();
});
});
});
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