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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
'use strict';
var assert = require('assert');
var grpc = require('../src/grpc_extension');
var constants = require('../src/constants');
/**
* Helper function to return an absolute deadline given a relative timeout in
* seconds.
* @param {number} timeout_secs The number of seconds to wait before timing out
* @return {Date} A date timeout_secs in the future
*/
function getDeadline(timeout_secs) {
var deadline = new Date();
deadline.setSeconds(deadline.getSeconds() + timeout_secs);
return deadline;
}
var insecureCreds = grpc.ChannelCredentials.createInsecure();
describe('call', function() {
var channel;
var server;
before(function() {
server = new grpc.Server();
var port = server.addHttp2Port('localhost:0',
grpc.ServerCredentials.createInsecure());
server.start();
channel = new grpc.Channel('localhost:' + port, insecureCreds);
});
after(function() {
server.forceShutdown();
});
describe('constructor', function() {
it('should reject anything less than 3 arguments', function() {
assert.throws(function() {
new grpc.Call();
}, TypeError);
assert.throws(function() {
new grpc.Call(channel);
}, TypeError);
assert.throws(function() {
new grpc.Call(channel, 'method');
}, TypeError);
});
it('should succeed with a Channel, a string, and a date or number',
function() {
assert.doesNotThrow(function() {
new grpc.Call(channel, 'method', new Date());
});
assert.doesNotThrow(function() {
new grpc.Call(channel, 'method', 0);
});
});
it('should accept an optional fourth string parameter', function() {
assert.doesNotThrow(function() {
new grpc.Call(channel, 'method', new Date(), 'host_override');
});
});
it('should fail with a closed channel', function() {
var local_channel = new grpc.Channel('hostname', insecureCreds);
local_channel.close();
assert.throws(function() {
new grpc.Call(channel, 'method');
});
});
it('should fail with other types', function() {
assert.throws(function() {
new grpc.Call({}, 'method', 0);
}, TypeError);
assert.throws(function() {
new grpc.Call(channel, null, 0);
}, TypeError);
assert.throws(function() {
new grpc.Call(channel, 'method', 'now');
}, TypeError);
});
it('should succeed without the new keyword', function() {
assert.doesNotThrow(function() {
var call = grpc.Call(channel, 'method', new Date());
assert(call instanceof grpc.Call);
});
});
});
describe('deadline', function() {
it('should time out immediately with negative deadline', function(done) {
var call = new grpc.Call(channel, 'method', -Infinity);
var batch = {};
batch[grpc.opType.RECV_STATUS_ON_CLIENT] = true;
call.startBatch(batch, function(err, response) {
assert.strictEqual(response.status.code,
constants.status.DEADLINE_EXCEEDED);
done();
});
});
});
describe('startBatch', function() {
it('should fail without an object and a function', function() {
var call = new grpc.Call(channel, 'method', getDeadline(1));
assert.throws(function() {
call.startBatch();
});
assert.throws(function() {
call.startBatch({});
});
assert.throws(function() {
call.startBatch(null, function(){});
});
});
it('should succeed with an empty object', function(done) {
var call = new grpc.Call(channel, 'method', getDeadline(1));
assert.doesNotThrow(function() {
call.startBatch({}, function(err) {
assert.ifError(err);
done();
});
});
});
});
describe('startBatch with metadata', function() {
it('should succeed with a map of strings to string arrays', function(done) {
var call = new grpc.Call(channel, 'method', getDeadline(1));
assert.doesNotThrow(function() {
var batch = {};
batch[grpc.opType.SEND_INITIAL_METADATA] = {'key1': ['value1'],
'key2': ['value2']};
call.startBatch(batch, function(err, resp) {
assert.ifError(err);
assert.deepEqual(resp, {'send_metadata': true});
done();
});
});
});
it('should succeed with a map of strings to buffer arrays', function(done) {
var call = new grpc.Call(channel, 'method', getDeadline(1));
assert.doesNotThrow(function() {
var batch = {};
batch[grpc.opType.SEND_INITIAL_METADATA] = {
'key1-bin': [new Buffer('value1')],
'key2-bin': [new Buffer('value2')]
};
call.startBatch(batch, function(err, resp) {
assert.ifError(err);
assert.deepEqual(resp, {'send_metadata': true});
done();
});
});
});
it('should fail with other parameter types', function() {
var call = new grpc.Call(channel, 'method', getDeadline(1));
assert.throws(function() {
var batch = {};
batch[grpc.opType.SEND_INITIAL_METADATA] = undefined;
call.startBatch(batch, function(){});
});
assert.throws(function() {
var batch = {};
batch[grpc.opType.SEND_INITIAL_METADATA] = null;
call.startBatch(batch, function(){});
}, TypeError);
assert.throws(function() {
var batch = {};
batch[grpc.opType.SEND_INITIAL_METADATA] = 'value';
call.startBatch(batch, function(){});
}, TypeError);
assert.throws(function() {
var batch = {};
batch[grpc.opType.SEND_INITIAL_METADATA] = 5;
call.startBatch(batch, function(){});
}, TypeError);
});
});
describe('cancel', function() {
it('should succeed', function() {
var call = new grpc.Call(channel, 'method', getDeadline(1));
assert.doesNotThrow(function() {
call.cancel();
});
});
});
describe('cancelWithStatus', function() {
it('should reject anything other than an integer and a string', function() {
assert.doesNotThrow(function() {
var call = new grpc.Call(channel, 'method', getDeadline(1));
call.cancelWithStatus(1, 'details');
});
assert.throws(function() {
var call = new grpc.Call(channel, 'method', getDeadline(1));
call.cancelWithStatus();
});
assert.throws(function() {
var call = new grpc.Call(channel, 'method', getDeadline(1));
call.cancelWithStatus('');
});
assert.throws(function() {
var call = new grpc.Call(channel, 'method', getDeadline(1));
call.cancelWithStatus(5, {});
});
});
it('should reject the OK status code', function() {
assert.throws(function() {
var call = new grpc.Call(channel, 'method', getDeadline(1));
call.cancelWithStatus(0, 'details');
});
});
it('should result in the call ending with a status', function(done) {
var call = new grpc.Call(channel, 'method', getDeadline(1));
var batch = {};
batch[grpc.opType.RECV_STATUS_ON_CLIENT] = true;
call.startBatch(batch, function(err, response) {
assert.strictEqual(response.status.code, 5);
assert.strictEqual(response.status.details, 'details');
done();
});
call.cancelWithStatus(5, 'details');
});
});
describe('getPeer', function() {
it('should return a string', function() {
var call = new grpc.Call(channel, 'method', getDeadline(1));
assert.strictEqual(typeof call.getPeer(), 'string');
});
});
});
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