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"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const test_buffers_1 = __importDefault(require("./testing/test-buffers"));
const buffer_list_1 = __importDefault(require("./testing/buffer-list"));
const _1 = require(".");
const assert_1 = __importDefault(require("assert"));
const stream_1 = require("stream");
const parser_1 = require("./parser");
const authOkBuffer = test_buffers_1.default.authenticationOk();
const paramStatusBuffer = test_buffers_1.default.parameterStatus('client_encoding', 'UTF8');
const readyForQueryBuffer = test_buffers_1.default.readyForQuery();
const backendKeyDataBuffer = test_buffers_1.default.backendKeyData(1, 2);
const commandCompleteBuffer = test_buffers_1.default.commandComplete('SELECT 3');
const parseCompleteBuffer = test_buffers_1.default.parseComplete();
const bindCompleteBuffer = test_buffers_1.default.bindComplete();
const portalSuspendedBuffer = test_buffers_1.default.portalSuspended();
const row1 = {
name: 'id',
tableID: 1,
attributeNumber: 2,
dataTypeID: 3,
dataTypeSize: 4,
typeModifier: 5,
formatCode: 0,
};
const oneRowDescBuff = test_buffers_1.default.rowDescription([row1]);
row1.name = 'bang';
const twoRowBuf = test_buffers_1.default.rowDescription([
row1,
{
name: 'whoah',
tableID: 10,
attributeNumber: 11,
dataTypeID: 12,
dataTypeSize: 13,
typeModifier: 14,
formatCode: 0,
},
]);
const rowWithBigOids = {
name: 'bigoid',
tableID: 3000000001,
attributeNumber: 2,
dataTypeID: 3000000003,
dataTypeSize: 4,
typeModifier: 5,
formatCode: 0,
};
const bigOidDescBuff = test_buffers_1.default.rowDescription([rowWithBigOids]);
const emptyRowFieldBuf = test_buffers_1.default.dataRow([]);
const oneFieldBuf = test_buffers_1.default.dataRow(['test']);
const expectedAuthenticationOkayMessage = {
name: 'authenticationOk',
length: 8,
};
const expectedParameterStatusMessage = {
name: 'parameterStatus',
parameterName: 'client_encoding',
parameterValue: 'UTF8',
length: 25,
};
const expectedBackendKeyDataMessage = {
name: 'backendKeyData',
processID: 1,
secretKey: 2,
};
const expectedReadyForQueryMessage = {
name: 'readyForQuery',
length: 5,
status: 'I',
};
const expectedCommandCompleteMessage = {
name: 'commandComplete',
length: 13,
text: 'SELECT 3',
};
const emptyRowDescriptionBuffer = new buffer_list_1.default()
.addInt16(0) // number of fields
.join(true, 'T');
const expectedEmptyRowDescriptionMessage = {
name: 'rowDescription',
length: 6,
fieldCount: 0,
fields: [],
};
const expectedOneRowMessage = {
name: 'rowDescription',
length: 27,
fieldCount: 1,
fields: [
{
name: 'id',
tableID: 1,
columnID: 2,
dataTypeID: 3,
dataTypeSize: 4,
dataTypeModifier: 5,
format: 'text',
},
],
};
const expectedTwoRowMessage = {
name: 'rowDescription',
length: 53,
fieldCount: 2,
fields: [
{
name: 'bang',
tableID: 1,
columnID: 2,
dataTypeID: 3,
dataTypeSize: 4,
dataTypeModifier: 5,
format: 'text',
},
{
name: 'whoah',
tableID: 10,
columnID: 11,
dataTypeID: 12,
dataTypeSize: 13,
dataTypeModifier: 14,
format: 'text',
},
],
};
const expectedBigOidMessage = {
name: 'rowDescription',
length: 31,
fieldCount: 1,
fields: [
{
name: 'bigoid',
tableID: 3000000001,
columnID: 2,
dataTypeID: 3000000003,
dataTypeSize: 4,
dataTypeModifier: 5,
format: 'text',
},
],
};
const emptyParameterDescriptionBuffer = new buffer_list_1.default()
.addInt16(0) // number of parameters
.join(true, 't');
const oneParameterDescBuf = test_buffers_1.default.parameterDescription([1111]);
const twoParameterDescBuf = test_buffers_1.default.parameterDescription([2222, 3333]);
const expectedEmptyParameterDescriptionMessage = {
name: 'parameterDescription',
length: 6,
parameterCount: 0,
dataTypeIDs: [],
};
const expectedOneParameterMessage = {
name: 'parameterDescription',
length: 10,
parameterCount: 1,
dataTypeIDs: [1111],
};
const expectedTwoParameterMessage = {
name: 'parameterDescription',
length: 14,
parameterCount: 2,
dataTypeIDs: [2222, 3333],
};
const testForMessage = function (buffer, expectedMessage) {
it('receives and parses ' + expectedMessage.name, () => __awaiter(this, void 0, void 0, function* () {
const messages = yield parseBuffers([buffer]);
const [lastMessage] = messages;
for (const key in expectedMessage) {
assert_1.default.deepEqual(lastMessage[key], expectedMessage[key]);
}
}));
};
const plainPasswordBuffer = test_buffers_1.default.authenticationCleartextPassword();
const md5PasswordBuffer = test_buffers_1.default.authenticationMD5Password();
const SASLBuffer = test_buffers_1.default.authenticationSASL();
const SASLContinueBuffer = test_buffers_1.default.authenticationSASLContinue();
const SASLFinalBuffer = test_buffers_1.default.authenticationSASLFinal();
const expectedPlainPasswordMessage = {
name: 'authenticationCleartextPassword',
};
const expectedMD5PasswordMessage = {
name: 'authenticationMD5Password',
salt: Buffer.from([1, 2, 3, 4]),
};
const expectedSASLMessage = {
name: 'authenticationSASL',
mechanisms: ['SCRAM-SHA-256'],
};
const expectedSASLContinueMessage = {
name: 'authenticationSASLContinue',
data: 'data',
};
const expectedSASLFinalMessage = {
name: 'authenticationSASLFinal',
data: 'data',
};
const notificationResponseBuffer = test_buffers_1.default.notification(4, 'hi', 'boom');
const expectedNotificationResponseMessage = {
name: 'notification',
processId: 4,
channel: 'hi',
payload: 'boom',
};
const parseBuffers = (buffers) => __awaiter(void 0, void 0, void 0, function* () {
const stream = new stream_1.PassThrough();
for (const buffer of buffers) {
stream.write(buffer);
}
stream.end();
const msgs = [];
yield (0, _1.parse)(stream, (msg) => msgs.push(msg));
return msgs;
});
describe('PgPacketStream', function () {
testForMessage(authOkBuffer, expectedAuthenticationOkayMessage);
testForMessage(plainPasswordBuffer, expectedPlainPasswordMessage);
testForMessage(md5PasswordBuffer, expectedMD5PasswordMessage);
testForMessage(SASLBuffer, expectedSASLMessage);
testForMessage(SASLContinueBuffer, expectedSASLContinueMessage);
// this exercises a found bug in the parser:
// https://github.com/brianc/node-postgres/pull/2210#issuecomment-627626084
// and adds a test which is deterministic, rather than relying on network packet chunking
const extendedSASLContinueBuffer = Buffer.concat([SASLContinueBuffer, Buffer.from([1, 2, 3, 4])]);
testForMessage(extendedSASLContinueBuffer, expectedSASLContinueMessage);
testForMessage(SASLFinalBuffer, expectedSASLFinalMessage);
// this exercises a found bug in the parser:
// https://github.com/brianc/node-postgres/pull/2210#issuecomment-627626084
// and adds a test which is deterministic, rather than relying on network packet chunking
const extendedSASLFinalBuffer = Buffer.concat([SASLFinalBuffer, Buffer.from([1, 2, 4, 5])]);
testForMessage(extendedSASLFinalBuffer, expectedSASLFinalMessage);
testForMessage(paramStatusBuffer, expectedParameterStatusMessage);
testForMessage(backendKeyDataBuffer, expectedBackendKeyDataMessage);
testForMessage(readyForQueryBuffer, expectedReadyForQueryMessage);
testForMessage(commandCompleteBuffer, expectedCommandCompleteMessage);
testForMessage(notificationResponseBuffer, expectedNotificationResponseMessage);
testForMessage(test_buffers_1.default.emptyQuery(), {
name: 'emptyQuery',
length: 4,
});
testForMessage(Buffer.from([0x6e, 0, 0, 0, 4]), {
name: 'noData',
});
describe('rowDescription messages', function () {
testForMessage(emptyRowDescriptionBuffer, expectedEmptyRowDescriptionMessage);
testForMessage(oneRowDescBuff, expectedOneRowMessage);
testForMessage(twoRowBuf, expectedTwoRowMessage);
testForMessage(bigOidDescBuff, expectedBigOidMessage);
});
describe('parameterDescription messages', function () {
testForMessage(emptyParameterDescriptionBuffer, expectedEmptyParameterDescriptionMessage);
testForMessage(oneParameterDescBuf, expectedOneParameterMessage);
testForMessage(twoParameterDescBuf, expectedTwoParameterMessage);
});
describe('parsing rows', function () {
describe('parsing empty row', function () {
testForMessage(emptyRowFieldBuf, {
name: 'dataRow',
fieldCount: 0,
});
});
describe('parsing data row with fields', function () {
testForMessage(oneFieldBuf, {
name: 'dataRow',
fieldCount: 1,
fields: ['test'],
});
});
});
describe('notice message', function () {
// this uses the same logic as error message
const buff = test_buffers_1.default.notice([{ type: 'C', value: 'code' }]);
testForMessage(buff, {
name: 'notice',
code: 'code',
});
});
testForMessage(test_buffers_1.default.error([]), {
name: 'error',
});
describe('with all the fields', function () {
const buffer = test_buffers_1.default.error([
{
type: 'S',
value: 'ERROR',
},
{
type: 'C',
value: 'code',
},
{
type: 'M',
value: 'message',
},
{
type: 'D',
value: 'details',
},
{
type: 'H',
value: 'hint',
},
{
type: 'P',
value: '100',
},
{
type: 'p',
value: '101',
},
{
type: 'q',
value: 'query',
},
{
type: 'W',
value: 'where',
},
{
type: 'F',
value: 'file',
},
{
type: 'L',
value: 'line',
},
{
type: 'R',
value: 'routine',
},
{
type: 'Z',
value: 'alsdkf',
},
]);
testForMessage(buffer, {
name: 'error',
severity: 'ERROR',
code: 'code',
message: 'message',
detail: 'details',
hint: 'hint',
position: '100',
internalPosition: '101',
internalQuery: 'query',
where: 'where',
file: 'file',
line: 'line',
routine: 'routine',
});
});
testForMessage(parseCompleteBuffer, {
name: 'parseComplete',
});
testForMessage(bindCompleteBuffer, {
name: 'bindComplete',
});
testForMessage(bindCompleteBuffer, {
name: 'bindComplete',
});
testForMessage(test_buffers_1.default.closeComplete(), {
name: 'closeComplete',
});
describe('parses portal suspended message', function () {
testForMessage(portalSuspendedBuffer, {
name: 'portalSuspended',
});
});
describe('parses replication start message', function () {
testForMessage(Buffer.from([0x57, 0x00, 0x00, 0x00, 0x04]), {
name: 'replicationStart',
length: 4,
});
});
describe('copy', () => {
testForMessage(test_buffers_1.default.copyIn(0), {
name: 'copyInResponse',
length: 7,
binary: false,
columnTypes: [],
});
testForMessage(test_buffers_1.default.copyIn(2), {
name: 'copyInResponse',
length: 11,
binary: false,
columnTypes: [0, 1],
});
testForMessage(test_buffers_1.default.copyOut(0), {
name: 'copyOutResponse',
length: 7,
binary: false,
columnTypes: [],
});
testForMessage(test_buffers_1.default.copyOut(3), {
name: 'copyOutResponse',
length: 13,
binary: false,
columnTypes: [0, 1, 2],
});
testForMessage(test_buffers_1.default.copyDone(), {
name: 'copyDone',
length: 4,
});
testForMessage(test_buffers_1.default.copyData(Buffer.from([5, 6, 7])), {
name: 'copyData',
length: 7,
chunk: Buffer.from([5, 6, 7]),
});
});
// since the data message on a stream can randomly divide the incomming
// tcp packets anywhere, we need to make sure we can parse every single
// split on a tcp message
describe('split buffer, single message parsing', function () {
const fullBuffer = test_buffers_1.default.dataRow([null, 'bang', 'zug zug', null, '!']);
it('parses when full buffer comes in', function () {
return __awaiter(this, void 0, void 0, function* () {
const messages = yield parseBuffers([fullBuffer]);
const message = messages[0];
assert_1.default.equal(message.fields.length, 5);
assert_1.default.equal(message.fields[0], null);
assert_1.default.equal(message.fields[1], 'bang');
assert_1.default.equal(message.fields[2], 'zug zug');
assert_1.default.equal(message.fields[3], null);
assert_1.default.equal(message.fields[4], '!');
});
});
const testMessageReceivedAfterSplitAt = function (split) {
return __awaiter(this, void 0, void 0, function* () {
const firstBuffer = Buffer.alloc(fullBuffer.length - split);
const secondBuffer = Buffer.alloc(fullBuffer.length - firstBuffer.length);
fullBuffer.copy(firstBuffer, 0, 0);
fullBuffer.copy(secondBuffer, 0, firstBuffer.length);
const messages = yield parseBuffers([firstBuffer, secondBuffer]);
const message = messages[0];
assert_1.default.equal(message.fields.length, 5);
assert_1.default.equal(message.fields[0], null);
assert_1.default.equal(message.fields[1], 'bang');
assert_1.default.equal(message.fields[2], 'zug zug');
assert_1.default.equal(message.fields[3], null);
assert_1.default.equal(message.fields[4], '!');
});
};
it('parses when split in the middle', function () {
return testMessageReceivedAfterSplitAt(6);
});
it('parses when split at end', function () {
return testMessageReceivedAfterSplitAt(2);
});
it('parses when split at beginning', function () {
return Promise.all([
testMessageReceivedAfterSplitAt(fullBuffer.length - 2),
testMessageReceivedAfterSplitAt(fullBuffer.length - 1),
testMessageReceivedAfterSplitAt(fullBuffer.length - 5),
]);
});
});
describe('split buffer, multiple message parsing', function () {
const dataRowBuffer = test_buffers_1.default.dataRow(['!']);
const readyForQueryBuffer = test_buffers_1.default.readyForQuery();
const fullBuffer = Buffer.alloc(dataRowBuffer.length + readyForQueryBuffer.length);
dataRowBuffer.copy(fullBuffer, 0, 0);
readyForQueryBuffer.copy(fullBuffer, dataRowBuffer.length, 0);
const verifyMessages = function (messages) {
assert_1.default.strictEqual(messages.length, 2);
assert_1.default.deepEqual(messages[0], {
name: 'dataRow',
fieldCount: 1,
length: 11,
fields: ['!'],
});
assert_1.default.equal(messages[0].fields[0], '!');
assert_1.default.deepEqual(messages[1], {
name: 'readyForQuery',
length: 5,
status: 'I',
});
};
// sanity check
it('receives both messages when packet is not split', function () {
return __awaiter(this, void 0, void 0, function* () {
const messages = yield parseBuffers([fullBuffer]);
verifyMessages(messages);
});
});
const splitAndVerifyTwoMessages = function (split) {
return __awaiter(this, void 0, void 0, function* () {
const firstBuffer = Buffer.alloc(fullBuffer.length - split);
const secondBuffer = Buffer.alloc(fullBuffer.length - firstBuffer.length);
fullBuffer.copy(firstBuffer, 0, 0);
fullBuffer.copy(secondBuffer, 0, firstBuffer.length);
const messages = yield parseBuffers([firstBuffer, secondBuffer]);
verifyMessages(messages);
});
};
describe('receives both messages when packet is split', function () {
it('in the middle', function () {
return splitAndVerifyTwoMessages(11);
});
it('at the front', function () {
return Promise.all([
splitAndVerifyTwoMessages(fullBuffer.length - 1),
splitAndVerifyTwoMessages(fullBuffer.length - 4),
splitAndVerifyTwoMessages(fullBuffer.length - 6),
]);
});
it('at the end', function () {
return Promise.all([splitAndVerifyTwoMessages(8), splitAndVerifyTwoMessages(1)]);
});
});
});
it('cleans up the reader after handling a packet', function () {
const parser = new parser_1.Parser();
parser.parse(oneFieldBuf, () => { });
assert_1.default.strictEqual(parser.reader.buffer.byteLength, 0);
});
});
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