public void When_Updating_Portfolio_With_Invalid_Transaction_Then_Exception_Is_Thrown() { // setup var portfolio = TestDataGenerator.GenerateEmptyPortfolio(); var portfolioService = new PortfolioService(portfolio); Security goog = new Security { Symbol = "goog" }; var transaction = new Transaction { Account = null, Date = DateTime.UtcNow, Price = 0M, Security = goog, Shares = 10M, Type = TransactionType.Buy }; // verify try { portfolioService.UpdateWith(new List <Transaction> { transaction }); } catch (Exception ex) { Assert.That(ex.Message, Is.EqualTo("One or more transactions are invalid.")); } }
public void When_Updating_Account_With_Buy_Transaction_Then_Position_Is_Added_To() { // setup Security goog = new Security { Symbol = "goog" }; var portfolio = TestDataGenerator.GenerateEmptyPortfolio(); var mandingo = portfolio.Accounts.Single(a => a.Name.Equals("mandingo", StringComparison.InvariantCultureIgnoreCase)); mandingo.Positions.Add(new Position { Account = mandingo, Shares = 100M, Security = goog }); var portfolioService = new PortfolioService(portfolio); var transaction = new Transaction { Account = mandingo, Date = DateTime.UtcNow, Price = 0M, Security = goog, Shares = 10M, Type = TransactionType.Buy }; // verify portfolioService.UpdateWith(new List <Transaction> { transaction }); // verify Assert.That(mandingo.Positions.Single().Shares, Is.EqualTo(110M)); }
public void When_Updating_Account_With_Sell_Transaction_But_No_Position_Then_Exception_Is_Thrown() { // setup var portfolio = TestDataGenerator.GenerateEmptyPortfolio(); var mandingo = portfolio.Accounts.Single(a => a.Name.Equals("mandingo", StringComparison.InvariantCultureIgnoreCase)); var portfolioService = new PortfolioService(portfolio); Security goog = new Security { Symbol = "goog" }; var transaction = new Transaction { Account = mandingo, Date = DateTime.UtcNow, Price = 0M, Security = goog, Shares = 10M, Type = TransactionType.Sell }; // verify try { portfolioService.UpdateWith(new List <Transaction> { transaction }); } catch (Exception ex) { Assert.That(ex.Message, Is.EqualTo("Tried to sell a security the account doesn't have.")); } }
public void When_Updating_Empty_Portfolio_With_Transactions_Then_Portfolio_Is_Updated_To_Correct_State() { // setup var portfolio = TestDataGenerator.GenerateEmptyPortfolio(); var portfolioService = new PortfolioService(portfolio); var mandingo = portfolio.Accounts.Single(a => a.Name.Equals("mandingo", StringComparison.InvariantCultureIgnoreCase)); var took = portfolio.Accounts.Single(a => a.Name.Equals("took", StringComparison.InvariantCultureIgnoreCase)); Security goog = new Security { Symbol = "goog" }; Security msft = new Security { Symbol = "msft" }; var transactionDate = DateTime.UtcNow; var transactions = new List <Transaction>(); transactions.Add(new Transaction { Account = mandingo, Date = transactionDate, Price = 15.25M, Security = goog, Shares = 100M, Type = TransactionType.Buy }); transactions.Add(new Transaction() { Account = took, Date = transactionDate.AddMinutes(14), Price = 21.54M, Security = msft, Shares = 50M, Type = TransactionType.Sell }); transactions.Add(new Transaction() { Account = took, Date = transactionDate, Price = 21.34M, Security = msft, Shares = 200M, Type = TransactionType.Buy }); // execute portfolioService.UpdateWith(transactions); // verify Assert.That(mandingo.Transactions.Count, Is.EqualTo(1)); Assert.That(mandingo.Positions.Count, Is.EqualTo(1)); var position = mandingo.Positions.Single(); Assert.That(position.Security.Symbol, Is.EqualTo(goog.Symbol)); Assert.That(position.Account, Is.EqualTo(mandingo)); Assert.That(position.Shares, Is.EqualTo(100M)); Assert.That(took.Transactions.Count, Is.EqualTo(2)); Assert.That(took.Positions.Count, Is.EqualTo(1)); position = took.Positions.Single(); Assert.That(position.Security.Symbol, Is.EqualTo(msft.Symbol)); Assert.That(position.Account, Is.EqualTo(took)); Assert.That(position.Shares, Is.EqualTo(150M)); }