node-query/node_modules/pg/test/test-buffers.js

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require(__dirname+'/test-helper');
//http://developer.postgresql.org/pgdocs/postgres/protocol-message-formats.html
var buffers = {};
buffers.readyForQuery = function() {
return new BufferList()
.add(Buffer('I'))
.join(true,'Z');
};
buffers.authenticationOk = function() {
return new BufferList()
.addInt32(0)
.join(true, 'R');
};
buffers.authenticationCleartextPassword = function() {
return new BufferList()
.addInt32(3)
.join(true, 'R');
};
buffers.authenticationMD5Password = function() {
return new BufferList()
.addInt32(5)
.add(Buffer([1,2,3,4]))
.join(true, 'R');
};
buffers.parameterStatus = function(name, value) {
return new BufferList()
.addCString(name)
.addCString(value)
.join(true, 'S');
};
buffers.backendKeyData = function(processID, secretKey) {
return new BufferList()
.addInt32(processID)
.addInt32(secretKey)
.join(true, 'K');
};
buffers.commandComplete = function(string) {
return new BufferList()
.addCString(string)
.join(true, 'C');
};
buffers.rowDescription = function(fields) {
fields = fields || [];
var buf = new BufferList();
buf.addInt16(fields.length);
fields.forEach(function(field) {
buf.addCString(field.name)
.addInt32(field.tableID || 0)
.addInt16(field.attributeNumber || 0)
.addInt32(field.dataTypeID || 0)
.addInt16(field.dataTypeSize || 0)
.addInt32(field.typeModifier || 0)
.addInt16(field.formatCode || 0)
});
return buf.join(true, 'T');
};
buffers.dataRow = function(columns) {
columns = columns || [];
var buf = new BufferList();
buf.addInt16(columns.length);
columns.forEach(function(col) {
if(col == null) {
buf.addInt32(-1);
} else {
var strBuf = new Buffer(col, 'utf8');
buf.addInt32(strBuf.length);
buf.add(strBuf);
}
});
return buf.join(true, 'D');
};
buffers.error = function(fields) {
return errorOrNotice(fields).join(true, 'E');
};
buffers.notice = function(fields) {
return errorOrNotice(fields).join(true, 'N');
};
var errorOrNotice = function(fields) {
fields = fields || [];
var buf = new BufferList();
fields.forEach(function(field) {
buf.addChar(field.type);
buf.addCString(field.value);
});
return buf.add(Buffer([0]));//terminator
}
buffers.parseComplete = function() {
return new BufferList().join(true, '1');
};
buffers.bindComplete = function() {
return new BufferList().join(true, '2');
};
buffers.notification = function(id, channel, payload) {
return new BufferList()
.addInt32(id)
.addCString(channel)
.addCString(payload)
.join(true, 'A')
};
buffers.emptyQuery = function() {
return new BufferList().join(true, 'I');
};
buffers.portalSuspended = function() {
return new BufferList().join(true, 's');
};
module.exports = buffers;