diff --git a/.travis.yml b/.travis.yml
index 3c7dad88..d85e34ff 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,3 +7,4 @@ before_script:
   - yarn
 script:
   - yarn format:check
+  - yarn test
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 179730c5..eb9baa86 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Hid unknown exchange in the position overview
+- Refactored the portfolio unit tests to work without database
 
 ## 1.3.0 - 15.05.2021
 
diff --git a/apps/api/src/models/portfolio.spec.ts b/apps/api/src/models/portfolio.spec.ts
index e1f6d3cc..ef19fde6 100644
--- a/apps/api/src/models/portfolio.spec.ts
+++ b/apps/api/src/models/portfolio.spec.ts
@@ -4,67 +4,93 @@ import {
   getUtc,
   getYesterday
 } from '@ghostfolio/helper';
-import { Test } from '@nestjs/testing';
 import { AccountType, Currency, DataSource, Role, Type } from '@prisma/client';
 
-import { ConfigurationService } from '../services/configuration.service';
 import { DataProviderService } from '../services/data-provider.service';
-import { AlphaVantageService } from '../services/data-provider/alpha-vantage/alpha-vantage.service';
-import { GhostfolioScraperApiService } from '../services/data-provider/ghostfolio-scraper-api/ghostfolio-scraper-api.service';
-import { RakutenRapidApiService } from '../services/data-provider/rakuten-rapid-api/rakuten-rapid-api.service';
-import { YahooFinanceService } from '../services/data-provider/yahoo-finance/yahoo-finance.service';
 import { ExchangeRateDataService } from '../services/exchange-rate-data.service';
 import { MarketState } from '../services/interfaces/interfaces';
-import { PrismaService } from '../services/prisma.service';
 import { RulesService } from '../services/rules.service';
 import { Portfolio } from './portfolio';
+import { format } from 'date-fns';
+
+jest.mock('../services/data-provider.service', () => {
+  return {
+    DataProviderService: jest.fn().mockImplementation(() => {
+      const today = format(new Date(), 'yyyy-MM-dd');
+
+      return {
+        get: () => {
+          return Promise.resolve({
+            BTCUSD: {
+              currency: Currency.USD,
+              dataSource: DataSource.YAHOO,
+              exchange: UNKNOWN_KEY,
+              marketPrice: 57973.008,
+              marketState: MarketState.open,
+              name: 'Bitcoin USD',
+              type: 'Cryptocurrency'
+            },
+            ETHUSD: {
+              currency: Currency.USD,
+              dataSource: DataSource.YAHOO,
+              exchange: UNKNOWN_KEY,
+              marketPrice: 3915.337,
+              marketState: MarketState.open,
+              name: 'Ethereum USD',
+              type: 'Cryptocurrency'
+            }
+          });
+        },
+        getHistorical: () => {
+          return Promise.resolve({
+            BTCUSD: {
+              [today]: 57973.008
+            },
+            ETHUSD: {
+              [today]: 3915.337
+            }
+          });
+        }
+      };
+    })
+  };
+});
+
+jest.mock('../services/exchange-rate-data.service', () => {
+  return {
+    ExchangeRateDataService: jest.fn().mockImplementation(() => {
+      return {
+        initialize: () => Promise.resolve(),
+        toCurrency: (value: number) => value
+      };
+    })
+  };
+});
+
+jest.mock('../services/data-provider.service');
+jest.mock('../services/exchange-rate-data.service');
+jest.mock('../services/rules.service');
 
 const DEFAULT_ACCOUNT_ID = '693a834b-eb89-42c9-ae47-35196c25d269';
 const USER_ID = 'ca6ce867-5d31-495a-bce9-5942bbca9237';
 
 describe('Portfolio', () => {
-  let alphaVantageService: AlphaVantageService;
-  let configurationService: ConfigurationService;
   let dataProviderService: DataProviderService;
   let exchangeRateDataService: ExchangeRateDataService;
-  let ghostfolioScraperApiService: GhostfolioScraperApiService;
   let portfolio: Portfolio;
-  let prismaService: PrismaService;
-  let rakutenRapidApiService: RakutenRapidApiService;
   let rulesService: RulesService;
-  let yahooFinanceService: YahooFinanceService;
 
   beforeAll(async () => {
-    const app = await Test.createTestingModule({
-      imports: [],
-      providers: [
-        AlphaVantageService,
-        ConfigurationService,
-        DataProviderService,
-        ExchangeRateDataService,
-        GhostfolioScraperApiService,
-        PrismaService,
-        RakutenRapidApiService,
-        RulesService,
-        YahooFinanceService
-      ]
-    }).compile();
-
-    alphaVantageService = app.get<AlphaVantageService>(AlphaVantageService);
-    configurationService = app.get<ConfigurationService>(ConfigurationService);
-    dataProviderService = app.get<DataProviderService>(DataProviderService);
-    exchangeRateDataService = app.get<ExchangeRateDataService>(
-      ExchangeRateDataService
+    dataProviderService = new DataProviderService(
+      null,
+      null,
+      null,
+      null,
+      null,
+      null
     );
-    ghostfolioScraperApiService = app.get<GhostfolioScraperApiService>(
-      GhostfolioScraperApiService
-    );
-    prismaService = app.get<PrismaService>(PrismaService);
-    rakutenRapidApiService = app.get<RakutenRapidApiService>(
-      RakutenRapidApiService
-    );
-    rulesService = app.get<RulesService>(RulesService);
-    yahooFinanceService = app.get<YahooFinanceService>(YahooFinanceService);
+    exchangeRateDataService = new ExchangeRateDataService(null);
+    rulesService = new RulesService();
 
     await exchangeRateDataService.initialize();
 
@@ -600,8 +626,4 @@ describe('Portfolio', () => {
       expect(portfolio.getSymbols(getYesterday())).toEqual(['ETHUSD']);
     });
   });
-
-  afterAll(async () => {
-    prismaService.$disconnect();
-  });
 });
diff --git a/package.json b/package.json
index 3e0aa56e..075d5430 100644
--- a/package.json
+++ b/package.json
@@ -37,10 +37,11 @@
     "start:client": "ng serve client --hmr -o",
     "start:prod": "node apps/api/main",
     "start:server": "nx serve api",
-    "test": "ng test",
+    "test": "nx test",
     "ts-node": "ts-node --compiler-options '{\"module\":\"CommonJS\"}'",
     "update": "nx migrate latest",
     "watch:server": "nx build api --watch",
+    "watch:test": "nx test --watch",
     "workspace-generator": "nx workspace-generator"
   },
   "dependencies": {