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@ -314,5 +314,139 @@ describe('PortfolioCalculator', () => { |
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valueWithCurrencyEffect: 1820 |
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}); |
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}); |
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it('should exclude cash in the base currency from the performance calculation', async () => { |
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jest.useFakeTimers().setSystemTime(parseDate('2025-01-01').getTime()); |
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const accountId = randomUUID(); |
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jest |
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.spyOn(accountBalanceService, 'getAccountBalances') |
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.mockResolvedValue({ |
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balances: [ |
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{ |
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accountId, |
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date: parseDate('2023-12-31'), |
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id: randomUUID(), |
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value: 1000, |
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valueInBaseCurrency: 1000 |
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}, |
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{ |
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accountId, |
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date: parseDate('2024-12-31'), |
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id: randomUUID(), |
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value: 2000, |
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valueInBaseCurrency: 2000 |
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} |
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] |
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}); |
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jest.spyOn(accountService, 'getCashDetails').mockResolvedValue({ |
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accounts: [ |
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{ |
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balance: 2000, |
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comment: null, |
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createdAt: parseDate('2023-12-31'), |
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currency: 'CHF', |
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id: accountId, |
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isExcluded: false, |
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name: 'CHF', |
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platformId: null, |
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updatedAt: parseDate('2023-12-31'), |
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userId: userDummyData.id |
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} |
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], |
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balanceInBaseCurrency: 2000 |
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}); |
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jest |
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.spyOn(dataProviderService, 'getDataSourceForExchangeRates') |
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.mockReturnValue(DataSource.YAHOO); |
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jest.spyOn(activitiesService, 'getActivities').mockResolvedValue({ |
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activities: [], |
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count: 0 |
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}); |
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const { activities } = |
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await activitiesService.getActivitiesForPortfolioCalculator({ |
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userCurrency: 'CHF', |
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userId: userDummyData.id, |
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withCash: true |
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}); |
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jest.spyOn(currentRateService, 'getValues').mockResolvedValue({ |
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dataProviderInfos: [], |
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errors: [], |
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values: [] |
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}); |
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const accountBalanceItems = |
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await accountBalanceService.getAccountBalanceItems({ |
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userCurrency: 'CHF', |
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userId: userDummyData.id |
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}); |
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const portfolioCalculator = portfolioCalculatorFactory.createCalculator({ |
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accountBalanceItems, |
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activities, |
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calculationType: PerformanceCalculationType.ROAI, |
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currency: 'CHF', |
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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 position = portfolioSnapshot.positions.find(({ symbol }) => { |
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return symbol === 'CHF'; |
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}); |
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/** |
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* The holding itself keeps its investment and value so that it remains |
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* visible in the holdings table |
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*/ |
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expect(position).toMatchObject({ |
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currency: 'CHF', |
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grossPerformance: new Big(0), |
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grossPerformanceWithCurrencyEffect: new Big(0), |
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investment: new Big(2000), |
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investmentWithCurrencyEffect: new Big(2000), |
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netPerformance: new Big(0), |
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quantity: new Big(2000), |
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symbol: 'CHF', |
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valueInBaseCurrency: new Big(2000) |
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}); |
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/** |
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* Total investment: 0 CHF (cash in the base currency cannot generate a |
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* currency effect and would only dilute the performance) |
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* Current value in base currency: 2000 CHF (the cash still counts |
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* towards the net worth) |
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*/ |
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expect(portfolioSnapshot).toMatchObject({ |
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currentValueInBaseCurrency: new Big(2000), |
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hasErrors: false, |
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totalCashInBaseCurrency: new Big(2000), |
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totalFeesWithCurrencyEffect: new Big(0), |
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totalInterestWithCurrencyEffect: new Big(0), |
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totalInvestment: new Big(0), |
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totalLiabilitiesWithCurrencyEffect: new Big(0) |
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}); |
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expect(portfolioSnapshot.historicalData.at(-1)).toEqual({ |
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date: '2025-01-01', |
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investmentValueWithCurrencyEffect: 0, |
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netPerformance: 0, |
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netPerformanceInPercentage: 0, |
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netPerformanceInPercentageWithCurrencyEffect: 0, |
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netPerformanceWithCurrencyEffect: 0, |
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netWorth: 2000, |
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totalCashInBaseCurrency: 2000, |
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totalInvestment: 0, |
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totalInvestmentValueWithCurrencyEffect: 0, |
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value: 2000, |
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valueWithCurrencyEffect: 2000 |
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}); |
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}); |
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}); |
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}); |
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Thomas Kaul
1 month ago