public void GetRecentTradesBySymbol_Valid_WithNoResults_Test()
{
// Setup with none valid.
List <ITrade> listOfTrades = new List <ITrade>();
listOfTrades.Add(new Trade()
{
StockInformation = new Stock()
{
Symbol = "ABC"
}, TimeStamp = DateTime.UtcNow.AddMinutes(-10)
}); // INVALID TIME
listOfTrades.Add(new Trade()
{
StockInformation = new Stock()
{
Symbol = "DEF"
}, TimeStamp = DateTime.UtcNow.AddMinutes(-10)
}); // INVALID NAME
listOfTrades.Add(new Trade()
{
StockInformation = new Stock()
{
Symbol = "ABC"
}, TimeStamp = DateTime.UtcNow.AddMinutes(-16)
}); // INVALID TIME
// Start
InMemoryTradeRepository repo = new InMemoryTradeRepository(listOfTrades);
IEnumerable <ITrade> result = repo.GetRecentTradesBySymbol("ABC", 5);
Assert.AreEqual(0, result.Count());
}
public void Save_Test()
{
// Setup with none valid.
List <ITrade> listOfTrades = new List <ITrade>();
listOfTrades.Add(new Trade()
{
StockInformation = new Stock()
{
Symbol = "ABC"
}, TimeStamp = DateTime.UtcNow.AddMinutes(-10)
}); // INVALID TIME
listOfTrades.Add(new Trade()
{
StockInformation = new Stock()
{
Symbol = "DEF"
}, TimeStamp = DateTime.UtcNow.AddMinutes(-10)
}); // INVALID NAME
listOfTrades.Add(new Trade()
{
StockInformation = new Stock()
{
Symbol = "ABC"
}, TimeStamp = DateTime.UtcNow.AddMinutes(-16)
}); // INVALID TIME
// Start
InMemoryTradeRepository repo = new InMemoryTradeRepository(listOfTrades);
// Step one - check no results from initial data
IEnumerable <ITrade> resultPreSave = repo.GetRecentTradesBySymbol("ABC", 5);
Assert.AreEqual(0, resultPreSave.Count());
// Step two - save new trade then check again
repo.Save(new Trade()
{
StockInformation = new Stock()
{
Symbol = "ABC"
}, TimeStamp = DateTime.UtcNow
}); // VALID
IEnumerable <ITrade> resultPostSave = repo.GetRecentTradesBySymbol("ABC", 5);
Assert.AreEqual(1, resultPostSave.Count());
}
public void NullConstructor_Test()
{
InMemoryTradeRepository repo = new InMemoryTradeRepository(null);
IEnumerable <ITrade> result = repo.GetRecentTradesBySymbol("ABC", 15);
Assert.IsNotNull(result);
Assert.AreEqual(0, result.Count());
}
public void GetRecentTradesBySymbol_NullParameter_Test()
{
InMemoryTradeRepository repo = new InMemoryTradeRepository(null); // Doesn't matter what we pass in for this test.
try
{
// Pass in null to simulate error.
IEnumerable <ITrade> result = repo.GetRecentTradesBySymbol(null, 15);
Assert.Fail("There should be an exception on this test");
}
catch (ArgumentNullException ex)
{
Assert.AreEqual("stockSymbol", ex.ParamName);
}
}