411 lines
9.6 KiB
JavaScript
411 lines
9.6 KiB
JavaScript
require(__dirname+'/test-helper');
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var buffers = require(__dirname+'/test-buffers');
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var PARSE = function(buffer) {
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return new Parser(buffer).parse();
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};
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var authOkBuffer = buffers.authenticationOk();
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var paramStatusBuffer = buffers.parameterStatus('client_encoding', 'UTF8');
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var readyForQueryBuffer = buffers.readyForQuery();
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var backendKeyDataBuffer = buffers.backendKeyData(1,2);
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var commandCompleteBuffer = buffers.commandComplete("SELECT 3");
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var addRow = function(bufferList, name, offset) {
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return bufferList.addCString(name) //field name
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.addInt32(offset++) //table id
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.addInt16(offset++) //attribute of column number
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.addInt32(offset++) //objectId of field's data type
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.addInt16(offset++) //datatype size
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.addInt32(offset++) //type modifier
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.addInt16(0) //format code, 0 => text
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};
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var row1 = {
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name: 'id',
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tableID: 1,
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attributeNumber: 2,
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dataTypeID: 3,
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dataTypeSize: 4,
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typeModifier: 5,
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formatCode: 0
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};
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var oneRowDescBuff = new buffers.rowDescription([row1]);
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row1.name = 'bang';
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var twoRowBuf = new buffers.rowDescription([row1,{
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name: 'whoah',
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tableID: 10,
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attributeNumber: 11,
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dataTypeID: 12,
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dataTypeSize: 13,
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typeModifier: 14,
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formatCode: 0
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}])
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var emptyRowFieldBuf = new BufferList()
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.addInt16(0)
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.join(true, 'D');
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var emptyRowFieldBuf = buffers.dataRow();
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var oneFieldBuf = new BufferList()
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.addInt16(1) //number of fields
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.addInt32(5) //length of bytes of fields
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.addCString('test')
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.join(true, 'D');
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var oneFieldBuf = buffers.dataRow(['test\0']);
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var expectedAuthenticationOkayMessage = {
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name: 'AuthenticationOk',
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id: 'R',
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length: 8
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};
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var expectedParameterStatusMessage = {
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name: 'ParameterStatus',
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id: 'S',
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length: 25,
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parameterName: 'client_encoding',
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parameterValue: 'UTF8'
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};
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var expectedBackendKeyDataMessage = {
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name: 'BackendKeyData',
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id: 'K',
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processID: 1,
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secretKey: 2
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};
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var expectedReadyForQueryMessage = {
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name: 'ReadyForQuery',
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id: 'Z',
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length: 5,
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status: 'I'
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};
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var expectedCommandCompleteMessage = {
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length: 13,
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id: 'C',
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text: "SELECT 3"
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};
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var emptyRowDescriptionBuffer = new BufferList()
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.addInt16(0) //number of fields
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.join(true,'T');
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var expectedEmptyRowDescriptionMessage = {
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name: 'RowDescription',
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id: 'T',
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length: 6,
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fieldCount: 0
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};
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var expectedOneRowMessage = {
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name: 'RowDescription',
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id: 'T',
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length: 27,
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fieldCount: 1
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};
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var expectedTwoRowMessage = {
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name: 'RowDescription',
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id: 'T',
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length: 53,
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fieldCount: 2
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};
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var testForMessage = function(buffer, expectedMessage) {
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var lastMessage = {};
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test('recieves and parses ' + expectedMessage.name, function() {
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var stream = new MemoryStream();
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var client = new Client({
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stream: stream
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});
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client.connect();
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client.on('message',function(msg) {
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lastMessage = msg;
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});
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stream.emit('data', buffer);
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assert.same(lastMessage, expectedMessage);
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});
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return lastMessage;
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};
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test('Client', function() {
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testForMessage(authOkBuffer, expectedAuthenticationOkayMessage);
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testForMessage(paramStatusBuffer, expectedParameterStatusMessage);
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testForMessage(backendKeyDataBuffer, expectedBackendKeyDataMessage);
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testForMessage(readyForQueryBuffer, expectedReadyForQueryMessage);
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testForMessage(commandCompleteBuffer,expectedCommandCompleteMessage);
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test('empty row message', function() {
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var message = testForMessage(emptyRowDescriptionBuffer, expectedEmptyRowDescriptionMessage);
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test('has no fields', function() {
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assert.equal(message.fields.length, 0);
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});
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});
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test('one row message', function() {
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var message = testForMessage(oneRowDescBuff, expectedOneRowMessage);
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test('has one field', function() {
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assert.equal(message.fields.length, 1);
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});
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test('has correct field info', function() {
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assert.same(message.fields[0], {
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name: 'id',
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tableID: 1,
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columnID: 2,
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dataType: 3,
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dataTypeSize: 4,
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dataTypeModifier: 5,
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format: 'text'
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});
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});
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});
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test('two row message', function() {
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var message = testForMessage(twoRowBuf, expectedTwoRowMessage);
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test('has two fields', function() {
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assert.equal(message.fields.length, 2);
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});
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test('has correct first field', function() {
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assert.same(message.fields[0], {
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name: 'bang',
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tableID: 1,
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columnID: 2,
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dataType: 3,
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dataTypeSize: 4,
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dataTypeModifier: 5,
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format: 'text'
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})
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});
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test('has correct second field', function() {
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assert.same(message.fields[1], {
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name: 'whoah',
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tableID: 10,
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columnID: 11,
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dataType: 12,
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dataTypeSize: 13,
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dataTypeModifier: 14,
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format: 'text'
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});
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});
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});
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test('parsing rows', function() {
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test('parsing empty row', function() {
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var message = testForMessage(emptyRowFieldBuf, {
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name: 'DataRow',
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fieldCount: 0
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});
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test('has 0 fields', function() {
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assert.equal(message.fields.length, 0);
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});
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});
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test('parsing data row with fields', function() {
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var message = testForMessage(oneFieldBuf, {
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name: 'DataRow',
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fieldCount: 1
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});
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test('has 1 field', function() {
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assert.equal(message.fields.length, 1);
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});
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test('field is correct', function() {
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assert.equal(message.fields[0],'test\0');
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});
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});
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});
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test('error messages', function() {
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test('with no fields', function() {
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var msg = testForMessage(buffers.error(),{
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name: 'Error'
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});
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});
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test('with all the fields', function() {
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var buffer = buffers.error([{
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type: 'S',
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value: 'ERROR'
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},{
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type: 'C',
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value: 'code'
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},{
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type: 'M',
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value: 'message'
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},{
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type: 'D',
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value: 'details'
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},{
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type: 'H',
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value: 'hint'
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},{
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type: 'P',
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value: '100'
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},{
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type: 'p',
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value: '101'
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},{
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type: 'q',
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value: 'query'
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},{
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type: 'W',
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value: 'where'
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},{
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type: 'F',
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value: 'file'
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},{
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type: 'L',
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value: 'line'
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},{
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type: 'R',
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value: 'routine'
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},{
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type: 'Z', //ignored
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value: 'alsdkf'
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}]);
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testForMessage(buffer,{
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severity: 'ERROR',
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code: 'code',
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message: 'message',
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detail: 'details',
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hint: 'hint',
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position: '100',
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internalPosition: '101',
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internalQuery: 'query',
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where: 'where',
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file: 'file',
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line: 'line',
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routine: 'routine'
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});
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});
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});
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});
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test('Parser on single messages', function() {
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test('parses AuthenticationOk message', function() {
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var result = PARSE(authOkBuffer)[0];
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assert.same(result, expectedAuthenticationOkayMessage);
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});
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test('parses ParameterStatus message', function() {
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var result = PARSE(paramStatusBuffer)[0];
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assert.same(result, expectedParameterStatusMessage);
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});
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test('parses BackendKeyData message', function() {
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var result = PARSE(backendKeyDataBuffer)[0];
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assert.same(result, expectedBackendKeyDataMessage);
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});
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test('parses ReadyForQuery message', function() {
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var result = PARSE(readyForQueryBuffer)[0];
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assert.same(result, expectedReadyForQueryMessage);
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});
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test('parses CommandComplete message', function() {
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var result = PARSE(commandCompleteBuffer)[0];
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assert.same(result, expectedCommandCompleteMessage);
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});
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test('parses RowDescriptions', function() {
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test('parses empty row description', function() {
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var result = PARSE(emptyRowDescriptionBuffer)[0];
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assert.same(result, expectedEmptyRowDescriptionMessage);
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assert.equal(result.fields.length, 0);
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});
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test('parses single row description',function() {
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var result = PARSE(oneRowDescBuff)[0];
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assert.same(result, expectedOneRowMessage);
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assert.equal(result.fields.length, 1);
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assert.same(result.fields[0], {
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name: 'id',
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tableID: 1,
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columnID: 2,
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dataType: 3,
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dataTypeSize: 4,
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dataTypeModifier: 5,
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format: 'text'
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});
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});
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test('parses two row descriptions', function() {
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var result = PARSE(twoRowBuf)[0];
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assert.same(result, expectedTwoRowMessage);
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assert.equal(result.fields.length, 2);
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assert.same(result.fields[0], {
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name: 'bang',
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tableID: 1,
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columnID: 2,
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dataType: 3,
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dataTypeSize: 4,
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dataTypeModifier: 5,
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format: 'text'
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});
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assert.same(result.fields[1], {
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name: 'whoah',
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tableID: 10,
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columnID: 11,
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dataType: 12,
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dataTypeSize: 13,
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dataTypeModifier: 14,
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format: 'text'
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});
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});
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});
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test('parses raw data row buffers', function() {
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var emptyRowFieldBuf = new BufferList()
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.addInt16(0)
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.join(true, 'D');
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test('parses empty data row', function() {
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var result = PARSE(emptyRowFieldBuf)[0];
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assert.equal(result.fieldCount, 0);
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assert.equal(result.fields.length, 0);
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});
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var oneFieldBuf = new BufferList()
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.addInt16(1) //number of fields
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.addInt32(5) //length of bytes of fields
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.addCString('test')
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.join(true, 'D');
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test('parses single field data row', function() {
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var result = PARSE(oneFieldBuf)[0];
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assert.equal(result.fieldCount, 1);
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assert.equal(result.fields[0], "test\0");
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});
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});
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test('parsing empty buffer returns false', function() {
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var parser = PARSE(Buffer(0));
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assert.equal(parser, false);
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});
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});
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