public void Evaluate_WithRegexInExpression_ReturnsFalse()
{
var dynamicFilter = new DynamicStockFilter("Regex.IsMatch(Stock.Identifier, \"(?i)^[ABC]\")");
var stock = new SpreadBet.Domain.Stock
{
Identifier = "XYZ.L"
};
var result = dynamicFilter.Evaluate(stock);
Assert.IsFalse(result);
}
public void Evaluate_ExpressionDoesNotContainStockReference_ResolvesStockProperty()
{
var dynamicFilter = new DynamicStockFilter("Identifier == \"ABC.L\"");
var stock = new SpreadBet.Domain.Stock
{
Identifier = "ABC.L"
};
var result = dynamicFilter.Evaluate(stock);
Assert.IsTrue(result);
}
public void Evaluate_WithValidExpression_ReturnsTrue()
{
var dynamicFilter = new DynamicStockFilter("Stock.Identifier.ToUpper().SubString(0,1) = \"A\"");
var stock = new SpreadBet.Domain.Stock
{
Identifier = "ABC.L"
};
var result = dynamicFilter.Evaluate(stock);
Assert.IsTrue(result);
}