it('should receive streaming response', function(done) {
execSync(genCodeCmd);
const {EchoServiceClient} = require(genCodePath);
const {ServerStreamingEchoRequest} = require(protoGenCodePath);
var echoService = new EchoServiceClient('MyHostname', null, null);
var request = new ServerStreamingEchoRequest();
request.setMessage('aaa');
request.setMessageCount(3);
MockXMLHttpRequest.onSend = function(xhr) {
xhr.respond(200, {'Content-Type': 'application/grpc-web-text'},
// 3 'aaa' messages in 3 data frames, encoded
'AAAAAAUKA2FhYQAAAAAFCgNhYWEAAAAABQoDYWFh');
};
var numMessagesReceived = 0;
var p = new Promise(function(resolve, reject) {
var stream =
echoService.serverStreamingEcho(request,
{'custom-header-1':'value1'});
stream.on('data', function(response) {
numMessagesReceived++;
assert.equal('aaa', response.getMessage());
});
stream.on('end', function() {
resolve();
});
});
p.then(function(res) {
assert.equal(3, numMessagesReceived);
done();
});
});
it('should receive error', function(done) {
execSync(genCodeCmd);
const {EchoServiceClient} = require(genCodePath);
const {EchoRequest} = require(protoGenCodePath);
var echoService = new EchoServiceClient('MyHostname', null, null);
var request = new EchoRequest();
request.setMessage('aaa');
MockXMLHttpRequest.onSend = function(xhr) {
xhr.respond(200, {'Content-Type': 'application/grpc-web-text'},
// a trailer frame with content 'grpc-status:10'
'gAAAABBncnBjLXN0YXR1czoxMA0K');
};
var call = echoService.echo(request, {'custom-header-1':'value1'},
function(err, response) {
assert.equal(10, err.code);
done();
});
});
it('should receive unary response', function(done) {
execSync(genCodeCmd);
const {EchoServiceClient} = require(genCodePath);
const {EchoRequest} = require(protoGenCodePath);
var echoService = new EchoServiceClient('MyHostname', null, null);
var request = new EchoRequest();
request.setMessage('aaa');
MockXMLHttpRequest.onSend = function(xhr) {
xhr.respond(200, {'Content-Type': 'application/grpc-web-text'},
// a single data frame with 'aaa' message, encoded
'AAAAAAUKA2FhYQ==');
};
echoService.echo(request, {'custom-header-1':'value1'},
function(err, response) {
assert.equal('aaa', response.getMessage());
done();
});
});
var p = new Promise(function(resolve, reject) {
var stream =
echoService.serverStreamingEcho(request,
{'custom-header-1':'value1'});
stream.on('data', function(response) {
numMessagesReceived++;
assert.equal('aaa', response.getMessage());
});
stream.on('end', function() {
resolve();
});
});
it('should receive trailing metadata', function(done) {
execSync(genCodeCmd);
const {EchoServiceClient} = require(genCodePath);
const {EchoRequest} = require(protoGenCodePath);
var echoService = new EchoServiceClient('MyHostname', null, null);
var request = new EchoRequest();
request.setMessage('aaa');
MockXMLHttpRequest.onSend = function(xhr) {
xhr.respond(200, {'Content-Type': 'application/grpc-web-text'},
// a single data frame with an 'aaa' message, followed by,
// a trailer frame with content 'grpc-status:0'
'AAAAAAUKA2FhYYAAAAAPZ3JwYy1zdGF0dXM6MA0K');
};
var call = echoService.echo(request, {'custom-header-1':'value1'},
function(err, response) {
assert.equal('aaa', response.getMessage());
});
call.on('status', function(status) {
assert.equal('object', typeof status.metadata);
assert.equal(true, 'grpc-status' in status.metadata);
assert.equal(0, parseInt(status.metadata['grpc-status']));
done();
});
});
it('should send unary request', function(done) {
execSync(genCodeCmd);
const {EchoServiceClient} = require(genCodePath);
const {EchoRequest} = require(protoGenCodePath);
var echoService = new EchoServiceClient('MyHostname', null, null);
var request = new EchoRequest();
request.setMessage('aaa');
MockXMLHttpRequest.onSend = function(xhr) {
assert.equal('POST', xhr.method);
// a single 'aaa' string, encoded
assert.equal('AAAAAAUKA2FhYQ==', xhr.body);
assert.equal('MyHostname/grpc.gateway.testing.EchoService/Echo',
xhr.url);
assert.equal(
'accept: application/grpc-web-text\r\n' +
'content-type: application/grpc-web-text\r\n' +
'custom-header-1: value1\r\n' +
'x-grpc-web: 1\r\n' +
'x-user-agent: grpc-web-javascript/0.1\r\n',
xhr.requestHeaders.getAll());
done();
};
echoService.echo(request, {'custom-header-1':'value1'});
});