mirror of https://github.com/ghostfolio/ghostfolio
Thomas Kaul
2 weeks ago
committed by
GitHub
GitHub
16 changed files with 359 additions and 50 deletions
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import { |
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activityDummyData, |
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assetProfileDummyData, |
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userDummyData |
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} from '@ghostfolio/api/app/portfolio/calculator/portfolio-calculator-test-utils'; |
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import { PortfolioCalculatorFactory } from '@ghostfolio/api/app/portfolio/calculator/portfolio-calculator.factory'; |
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import { CurrentRateService } from '@ghostfolio/api/app/portfolio/current-rate.service'; |
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import { CurrentRateServiceMock } from '@ghostfolio/api/app/portfolio/current-rate.service.mock'; |
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import { RedisCacheService } from '@ghostfolio/api/app/redis-cache/redis-cache.service'; |
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import { RedisCacheServiceMock } from '@ghostfolio/api/app/redis-cache/redis-cache.service.mock'; |
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import { ConfigurationService } from '@ghostfolio/api/services/configuration/configuration.service'; |
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import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data/exchange-rate-data.service'; |
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import { PortfolioSnapshotService } from '@ghostfolio/api/services/queues/portfolio-snapshot/portfolio-snapshot.service'; |
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import { PortfolioSnapshotServiceMock } from '@ghostfolio/api/services/queues/portfolio-snapshot/portfolio-snapshot.service.mock'; |
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import { parseDate } from '@ghostfolio/common/helper'; |
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import { Activity } from '@ghostfolio/common/interfaces'; |
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import { PerformanceCalculationType } from '@ghostfolio/common/types/performance-calculation-type.type'; |
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import { Big } from 'big.js'; |
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jest.mock('@ghostfolio/api/app/portfolio/current-rate.service', () => { |
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return { |
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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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jest.mock( |
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'@ghostfolio/api/services/queues/portfolio-snapshot/portfolio-snapshot.service', |
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() => { |
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return { |
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PortfolioSnapshotService: jest.fn().mockImplementation(() => { |
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return PortfolioSnapshotServiceMock; |
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}) |
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}; |
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} |
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); |
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|
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jest.mock('@ghostfolio/api/app/redis-cache/redis-cache.service', () => { |
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return { |
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RedisCacheService: jest.fn().mockImplementation(() => { |
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return RedisCacheServiceMock; |
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}) |
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}; |
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}); |
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|
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describe('PortfolioCalculator', () => { |
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let configurationService: ConfigurationService; |
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let currentRateService: CurrentRateService; |
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let exchangeRateDataService: ExchangeRateDataService; |
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let portfolioCalculatorFactory: PortfolioCalculatorFactory; |
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let portfolioSnapshotService: PortfolioSnapshotService; |
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let redisCacheService: RedisCacheService; |
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beforeEach(() => { |
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PortfolioSnapshotServiceMock.reset(); |
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RedisCacheServiceMock.reset(); |
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configurationService = new ConfigurationService(); |
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currentRateService = new CurrentRateService(null, null, null); |
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exchangeRateDataService = new ExchangeRateDataService( |
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null, |
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null, |
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null, |
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null |
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); |
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portfolioSnapshotService = new PortfolioSnapshotService(null, null); |
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redisCacheService = new RedisCacheService(null, null); |
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portfolioCalculatorFactory = new PortfolioCalculatorFactory( |
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configurationService, |
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currentRateService, |
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exchangeRateDataService, |
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portfolioSnapshotService, |
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redisCacheService |
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); |
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}); |
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describe('get current positions', () => { |
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it('with MANUAL buy and market price between two chart dates', async () => { |
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jest.useFakeTimers().setSystemTime(parseDate('2024-01-31').getTime()); |
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const activities: Activity[] = [ |
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{ |
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...activityDummyData, |
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assetProfile: { |
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...assetProfileDummyData, |
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currency: 'USD', |
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dataSource: 'MANUAL', |
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name: 'Private Investment', |
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symbol: '6c0c5cee-0208-4975-b473-03baf2518497' |
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}, |
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date: parseDate('2021-01-04'), |
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feeInAssetProfileCurrency: 0, |
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feeInBaseCurrency: 0, |
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quantity: 10, |
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type: 'BUY', |
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unitPriceInAssetProfileCurrency: 50 |
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} |
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]; |
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const portfolioCalculator = portfolioCalculatorFactory.createCalculator({ |
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activities, |
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calculationType: PerformanceCalculationType.ROAI, |
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currency: 'USD', |
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userId: userDummyData.id |
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}); |
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const portfolioSnapshot = await portfolioCalculator.computeSnapshot(); |
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const historicalDataByDate = Object.fromEntries( |
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portfolioSnapshot.historicalData.map((historicalDataItem) => { |
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return [historicalDataItem.date, historicalDataItem]; |
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}) |
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); |
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/** |
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* The only historical market prices are on 2023-06-14 and 2023-06-15, |
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* which are not chart dates (every third day from 2021-01-03) |
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*/ |
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expect(historicalDataByDate['2023-06-14']).toBeUndefined(); |
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expect(historicalDataByDate['2023-06-15']).toBeUndefined(); |
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/** |
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* The chart dates before the market prices use the unit price of the |
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* activity: 50 |
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*/ |
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expect(historicalDataByDate['2023-06-13']).toMatchObject({ |
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netPerformance: 0, // 10 * (50 - 50) = 0
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totalInvestment: 500, |
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value: 500 // 10 * 50 = 500
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}); |
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/** |
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* The chart dates after the market prices carry the latest one forward |
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* (100), not the first one (80) |
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*/ |
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expect(historicalDataByDate['2023-06-16']).toMatchObject({ |
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netPerformance: 500, // 10 * (100 - 50) = 500
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totalInvestment: 500, |
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value: 1000 // 10 * 100 = 1000
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}); |
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expect(historicalDataByDate['2024-01-30']).toMatchObject({ |
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netPerformance: 500, // 10 * (100 - 50) = 500
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totalInvestment: 500, |
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value: 1000 // 10 * 100 = 1000
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}); |
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/** |
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* The market price is unchanged since 2023-06-15, hence there is no |
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* performance today |
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*/ |
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expect(portfolioSnapshot.positions[0]).toMatchObject({ |
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netPerformancePercentageWithCurrencyEffectMap: { |
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'1d': new Big(0) |
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}, |
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netPerformanceWithCurrencyEffectMap: { |
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'1d': new Big(0), |
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max: new Big(500) // 10 * (100 - 50) = 500
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} |
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}); |
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}); |
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}); |
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}); |
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