143 lines
3.5 KiB
JavaScript
143 lines
3.5 KiB
JavaScript
require(__dirname+'/test-helper');
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var authOkBuffer = new BufferList()
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.addInt32(8)
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.join(true, 'R');
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var paramStatusBuffer = new BufferList()
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.addCString("client_encoding")
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.addCString("UTF8")
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.join(true, 'S');
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var backendKeyDataBuffer = new BufferList()
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.addInt32(1)
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.addInt32(2)
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.join(true,'K');
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var readyForQueryBuffer = new BufferList()
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.add(Buffer('I'))
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.join(true,'Z');
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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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test('Parser on single messages', function() {
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test('parses AuthenticationOk message', function() {
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var result = new Parser(authOkBuffer).parse()[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 = new Parser(paramStatusBuffer).parse()[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 = new Parser(backendKeyDataBuffer).parse()[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 = new Parser(readyForQueryBuffer).parse()[0];
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assert.same(result, expectedReadyForQueryMessage);
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});
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var commandCompleteBuffer = new BufferList()
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.addCString("SELECT 3")
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.join(true,'C');
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test('parses CommandComplete message', function() {
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var result = new Parser(commandCompleteBuffer).parse()[0];
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assert.same(result, {
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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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});
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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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test('parses RowDescriptions', function() {
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test('parses empty row description', function() {
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var result = new Parser(emptyRowDescriptionBuffer).parse()[0];
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assert.same(result, {
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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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assert.equal(result.fields.length, 0);
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});
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var oneRowDescBuff = new BufferList()
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.addInt16(1)
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.addCString('id') //field name
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.addInt32(1) //table id
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.addInt16(2) //attribute of column number
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.addInt32(3) //objectId of field's data type
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.addInt16(4) //datatype size
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.addInt32(5) //type modifier
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.addInt32(0) //format code, 0 => text
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.join(true,'T');
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console.log(oneRowDescBuff);
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test('parses single row description',function() {
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var result = new Parser(oneRowDescBuff).parse()[0];
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assert.same(result, {
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name: 'RowDescription',
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id: 'T',
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length: 29,
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fieldCount: 1
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});
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});
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});
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test('parses empty CString', function() {
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var result = new Parser(Buffer([0])).parseCString();
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assert.equal(result, '');
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});
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test('parses length', function() {
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var parser = new Parser(Buffer([0,0,0,3]));
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var result = parser.parseLength();
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assert.equal(result, 3);
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assert.equal(parser.offset, 4);
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});
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test('parsing empty buffer returns false', function() {
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var parser = new Parser(Buffer(0));
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assert.equal(parser.parse(), false);
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});
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});
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