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//

// Note: This example test is leveraging the Mocha test framework.

// Please refer to their documentation on https://mochajs.org/ for help.

//

// Place this right on top

// The module 'assert' provides assertion methods from node

import * as assert from 'assert';

// You can import and use all API from the 'vscode' module

// as well as import your extension to test it

import * as net from 'net';

import { SocketStream } from '../../client/common/net/socket/SocketStream';

const uint64be = require('uint64be');

class MockSocket {

private _data: string;

private _rawDataWritten: any;

constructor() {

this._data = '';

}

public get dataWritten(): string {

return this._data;

}

public get rawDataWritten(): any {

return this._rawDataWritten;

}

public write(data: any) {

this._data = `${data}` + '';

this._rawDataWritten = data;

}

}

// Defines a Mocha test suite to group tests of similar kind together

suite('SocketStream', () => {

test('Read Byte', (done) => {

const buffer = Buffer.from('X');

const byteValue = buffer[0];

const socket = new MockSocket();

const stream = new SocketStream((socket as any) as net.Socket, buffer);

assert.strictEqual(stream.ReadByte(), byteValue);

done();

});

test('Read Int32', (done) => {

const num = 1234;

const socket = new MockSocket();

const buffer = uint64be.encode(num);

const stream = new SocketStream((socket as any) as net.Socket, buffer);

assert.strictEqual(stream.ReadInt32(), num);

done();

});

test('Read Int64', (done) => {

const num = 9007199254740993;

const socket = new MockSocket();

const buffer = uint64be.encode(num);

const stream = new SocketStream((socket as any) as net.Socket, buffer);

assert.strictEqual(stream.ReadInt64(), num);

done();

});

test('Read Ascii String', (done) => {

const message = 'Hello World';

const socket = new MockSocket();

const buffer = Buffer.concat([Buffer.from('A'), uint64be.encode(message.length), Buffer.from(message)]);

const stream = new SocketStream((socket as any) as net.Socket, buffer);

assert.strictEqual(stream.ReadString(), message);

done();

});

test('Read Unicode String', (done) => {

const message = 'Hello World - Функция проверки ИНН и КПП - 说明';

const socket = new MockSocket();

const stringBuffer = Buffer.from(message);

const buffer = Buffer.concat([

Buffer.concat([Buffer.from('U'), uint64be.encode(stringBuffer.byteLength)]),

stringBuffer,

]);

const stream = new SocketStream((socket as any) as net.Socket, buffer);

assert.strictEqual(stream.ReadString(), message);

done();

});

test('Read RollBackTransaction', (done) => {

const message = 'Hello World';

const socket = new MockSocket();

let buffer = Buffer.concat([Buffer.from('A'), uint64be.encode(message.length), Buffer.from(message)]);

// Write part of a second message

const partOfSecondMessage = Buffer.concat([Buffer.from('A'), uint64be.encode(message.length)]);

buffer = Buffer.concat([buffer, partOfSecondMessage]);

const stream = new SocketStream((socket as any) as net.Socket, buffer);

stream.BeginTransaction();

assert.strictEqual(stream.ReadString(), message, 'First message not read properly');

stream.ReadString();

assert.strictEqual(stream.HasInsufficientDataForReading, true, 'Should not have sufficient data for reading');

stream.RollBackTransaction();

assert.strictEqual(

stream.ReadString(),

message,

'First message not read properly after rolling back transaction',

);

done();

});

test('Read EndTransaction', (done) => {

const message = 'Hello World';

const socket = new MockSocket();

let buffer = Buffer.concat([Buffer.from('A'), uint64be.encode(message.length), Buffer.from(message)]);

// Write part of a second message

const partOfSecondMessage = Buffer.concat([Buffer.from('A'), uint64be.encode(message.length)]);

buffer = Buffer.concat([buffer, partOfSecondMessage]);

const stream = new SocketStream((socket as any) as net.Socket, buffer);

stream.BeginTransaction();

assert.strictEqual(stream.ReadString(), message, 'First message not read properly');

stream.ReadString();

assert.strictEqual(stream.HasInsufficientDataForReading, true, 'Should not have sufficient data for reading');

stream.EndTransaction();

stream.RollBackTransaction();

assert.notStrictEqual(stream.ReadString(), message, 'First message cannot be read after commit transaction');

done();

});

test('Write Buffer', (done) => {

const message = 'Hello World';

const buffer = Buffer.from('');

const socket = new MockSocket();

const stream = new SocketStream((socket as any) as net.Socket, buffer);

stream.Write(Buffer.from(message));

assert.strictEqual(socket.dataWritten, message);

done();

});

test('Write Int32', (done) => {

const num = 1234;

const buffer = Buffer.from('');

const socket = new MockSocket();

const stream = new SocketStream((socket as any) as net.Socket, buffer);

stream.WriteInt32(num);

assert.strictEqual(uint64be.decode(socket.rawDataWritten), num);

done();

});

test('Write Int64', (done) => {

const num = 9007199254740993;

const buffer = Buffer.from('');

const socket = new MockSocket();

const stream = new SocketStream((socket as any) as net.Socket, buffer);

stream.WriteInt64(num);

assert.strictEqual(uint64be.decode(socket.rawDataWritten), num);

done();

});

test('Write Ascii String', (done) => {

const message = 'Hello World';

const buffer = Buffer.from('');

const socket = new MockSocket();

const stream = new SocketStream((socket as any) as net.Socket, buffer);

stream.WriteString(message);

assert.strictEqual(socket.dataWritten, message);

done();

});

test('Write Unicode String', (done) => {

const message = 'Hello World - Функция проверки ИНН и КПП - 说明';

const buffer = Buffer.from('');

const socket = new MockSocket();

const stream = new SocketStream((socket as any) as net.Socket, buffer);

stream.WriteString(message);

assert.strictEqual(socket.dataWritten, message);

done();

});

});