it("should return a 9 byte Buffer for a single sub-request", function()
{
var req = new ReadFileRecordRequest([{fileNumber: 1, recordNumber: 0, recordLength: 1}]);
var buf = req.toBuffer();
buf.length.should.be.equal(9);
});
it("should write the values Buffer starting at 3", function()
{
var req = new WriteFifo8Request(0x01, new Buffer([0x13, 0x37]));
var buf = req.toBuffer();
buf[3].should.be.eql(0x13);
buf[4].should.be.eql(0x37);
});
it("should write the values Buffer starting at 6", function()
{
var req = new WriteMemoryRequest(0x01,0,0, new Buffer([0x13, 0x37]));
var buf = req.toBuffer();
buf[6].should.be.eql(0x13);
buf[7].should.be.eql(0x37);
});
function createRowDataPacketBuffer(parser, number) {
var writer = new PacketWriter();
writer.writeLengthCodedString(parser._nextPacketNumber);
writer.writeLengthCodedString('Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry\'s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has sur');
return writer.toBuffer(parser);
}
it("should write the array of states as bits of the following bytes", function()
{
var res = new ReadCoilsResponse([1, 1, 1, 1, 0, 0, 0, 0, 1]);
var buf = res.toBuffer();
buf[2].should.be.equal(0x0F);
buf[3].should.be.equal(0x01);
});
it("should return a 13 byte long Buffer for one 2 record sub-request", function()
{
var req = new WriteFileRecordRequest([
{fileNumber: 1, recordNumber: 0, recordData: new Buffer([0x11, 0x11, 0x22, 0x22])}
]);
var buf = req.toBuffer();
buf.length.should.be.equal(13);
});
it("should write the Buffer of values at 2", function()
{
var res = new ReadMemoryResponse(new Buffer([0x11, 0x22, 0x33]));
var buf = res.toBuffer();
buf[2].should.be.equal(0x11);
buf[3].should.be.equal(0x22);
buf[4].should.be.equal(0x33);
});
it("should write the Buffer of values at 2", function()
{
var res = new ReadHoldingRegistersResponse(new Buffer([0x01, 0x02, 0x03, 0x04]));
var buf = res.toBuffer();
buf[2].should.be.equal(0x01);
buf[3].should.be.equal(0x02);
buf[4].should.be.equal(0x03);
buf[5].should.be.equal(0x04);
});
it("should write the remaining byte count as uint8 at 1", function()
{
var req = new ReadFileRecordRequest([
{fileNumber: 1, recordNumber: 0, recordLength: 1},
{fileNumber: 2, recordNumber: 4, recordLength: 2}
]);
var buf = req.toBuffer();
buf[1].should.be.equal(14);
});
it("should return a 16 byte Buffer for two sub-requests", function()
{
var req = new ReadFileRecordRequest([
{fileNumber: 1, recordNumber: 0, recordLength: 1},
{fileNumber: 2, recordNumber: 4, recordLength: 2}
]);
var buf = req.toBuffer();
buf.length.should.be.equal(16);
});
it("should return a 20 byte long Buffer for two 1 record sub-requests", function()
{
var req = new WriteFileRecordRequest([
{fileNumber: 1, recordNumber: 0, recordData: new Buffer([0x11, 0x11])},
{fileNumber: 2, recordNumber: 4, recordData: new Buffer([0x22, 0x22])}
]);
var buf = req.toBuffer();
buf.length.should.be.equal(20);
});
it("should write the remaining byte count as uint8 at 1", function()
{
var req = new WriteFileRecordRequest([
{fileNumber: 1, recordNumber: 0, recordData: new Buffer([0x11, 0x11])},
{fileNumber: 2, recordNumber: 4, recordData: new Buffer([0x22, 0x22])}
]);
var buf = req.toBuffer();
buf[1].should.be.equal(18);
});
it("should write the sub-requests starting at 2", function()
{
var req = new WriteFileRecordRequest([
{fileNumber: 1, recordNumber: 0, recordData: new Buffer([0x11, 0x11])},
{fileNumber: 2, recordNumber: 4, recordData: new Buffer([0x22, 0x22])}
]);
var buf = req.toBuffer();
buf.should.be.eql(new Buffer([
0x15, 0x12,
0x06, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x11, 0x11,
0x06, 0x00, 0x02, 0x00, 0x04, 0x00, 0x01, 0x22, 0x22
]));
});
it("should write 7 byte sub-requests starting at 2", function()
{
var req = new ReadFileRecordRequest([
{fileNumber: 1, recordNumber: 0, recordLength: 1},
{fileNumber: 2, recordNumber: 4, recordLength: 2}
]);
var buf = req.toBuffer();
buf.should.be.eql(new Buffer([
0x14, 0x0E,
0x06, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
0x06, 0x00, 0x02, 0x00, 0x04, 0x00, 0x02
]));
});
"toBuffer": function(test) {
var bb = new ByteBuffer(3);
bb.writeUint16(0x1234);
var buf;
try {
buf = bb.toBuffer();
} catch (e) {
console.trace(e);
}
test.equal(buf.length, 2);
test.equal(buf[0], 0x12);
test.equal(buf[1], 0x34);
test.equal(bb.offset, 2);
test.equal(bb.length, 0);
test.equal(bb.array.byteLength, 3);
test.done();
},
conn.on('query', function(packet) {
switch (packet.sql) {
case 'SELECT 1':
this._sendPacket(new Packets.ResultSetHeaderPacket({
fieldCount: 1
}));
this._sendPacket(new Packets.FieldPacket({
catalog : 'def',
charsetNr : Charsets.UTF8_GENERAL_CI,
name : '1',
protocol41 : true,
type : Types.LONG
}));
this._sendPacket(new Packets.EofPacket());
var writer = new PacketWriter();
writer.writeLengthCodedString('1');
this._socket.write(writer.toBuffer(this._parser));
this._sendPacket(new Packets.EofPacket());
this._parser.resetPacketNumber();
break;
case 'INVALID SQL':
this._sendPacket(new Packets.ErrorPacket({
errno : Errors.ER_PARSE_ERROR,
message : 'Parse error'
}));
this._parser.resetPacketNumber();
break;
case 'USE test':
this._sendPacket(new Packets.OkPacket());
this._parser.resetPacketNumber();
break;
default:
this._sendPacket(new Packets.ErrorPacket({
errno : Errors.ER_QUERY_INTERRUPTED,
message : 'Interrupted unknown query'
}));
this._parser.resetPacketNumber();
break;
}
});
function createPacketBuffer(parser, packet) {
var writer = new PacketWriter();
packet.write(writer);
return writer.toBuffer(parser);
}