112 lines
3.4 KiB
TypeScript
112 lines
3.4 KiB
TypeScript
import { CurrentRateService } from '@ghostfolio/api/app/portfolio/current-rate.service';
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import { parseDate } from '@ghostfolio/common/helper';
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import Big from 'big.js';
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import { CurrentRateServiceMock } from './current-rate.service.mock';
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import { PortfolioCalculator } from './portfolio-calculator';
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jest.mock('@ghostfolio/api/app/portfolio/current-rate.service', () => {
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return {
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// eslint-disable-next-line @typescript-eslint/naming-convention
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CurrentRateService: jest.fn().mockImplementation(() => {
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return CurrentRateServiceMock;
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})
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};
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});
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describe('PortfolioCalculator', () => {
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let currentRateService: CurrentRateService;
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beforeEach(() => {
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currentRateService = new CurrentRateService(null, null, null);
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});
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describe('get current positions', () => {
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it.only('with BTCUSD buy and sell partially', async () => {
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const portfolioCalculator = new PortfolioCalculator({
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currentRateService,
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currency: 'CHF',
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orders: [
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{
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currency: 'CHF',
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date: '2015-01-01',
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dataSource: 'YAHOO',
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fee: new Big(0),
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name: 'Bitcoin USD',
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quantity: new Big(2),
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symbol: 'BTCUSD',
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type: 'BUY',
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unitPrice: new Big(320.43)
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},
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{
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currency: 'CHF',
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date: '2017-12-31',
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dataSource: 'YAHOO',
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fee: new Big(0),
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name: 'Bitcoin USD',
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quantity: new Big(1),
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symbol: 'BTCUSD',
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type: 'SELL',
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unitPrice: new Big(14156.4)
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}
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]
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});
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portfolioCalculator.computeTransactionPoints();
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const spy = jest
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.spyOn(Date, 'now')
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.mockImplementation(() => parseDate('2018-01-01').getTime());
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const currentPositions = await portfolioCalculator.getCurrentPositions(
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parseDate('2015-01-01')
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);
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const investments = portfolioCalculator.getInvestments();
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const investmentsByMonth =
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portfolioCalculator.getInvestmentsByGroup('month');
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spy.mockRestore();
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expect(currentPositions).toEqual({
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currentValue: new Big('13657.2'),
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errors: [],
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grossPerformance: new Big('27172.74'),
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grossPerformancePercentage: new Big('42.40043067128546016291'),
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hasErrors: false,
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netPerformance: new Big('27172.74'),
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netPerformancePercentage: new Big('42.40043067128546016291'),
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positions: [
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{
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averagePrice: new Big('320.43'),
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currency: 'CHF',
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dataSource: 'YAHOO',
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firstBuyDate: '2015-01-01',
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grossPerformance: new Big('27172.74'),
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grossPerformancePercentage: new Big('42.40043067128546016291'),
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investment: new Big('320.43'),
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netPerformance: new Big('27172.74'),
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netPerformancePercentage: new Big('42.40043067128546016291'),
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marketPrice: 13657.2,
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quantity: new Big('1'),
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symbol: 'BTCUSD',
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transactionCount: 2
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}
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],
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totalInvestment: new Big('320.43')
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});
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expect(investments).toEqual([
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{ date: '2015-01-01', investment: new Big('640.86') },
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{ date: '2017-12-31', investment: new Big('320.43') }
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]);
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expect(investmentsByMonth).toEqual([
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{ date: '2015-01-01', investment: new Big('640.86') },
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{ date: '2017-12-01', investment: new Big('-14156.4') }
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]);
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});
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});
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});
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