public CalculationProcessTests()
{
var pluginReader = new OperationPluginReader();
var operationsList = pluginReader.ReadPluginsFrom(Environment.CurrentDirectory + "\\Plugins");
var recognizer = new BaseRecognizer(operationsList);
calculator = new PostfixCalculator(recognizer);
}
public void GetFullOperation_ThrowsUnrecognizedOperationException()
{
var moqOperation = new Mock<IOperation>();
moqOperation.Setup(operation => operation.StringPresentation).Returns("+");
var operationsList = new List<IOperation> {moqOperation.Object};
IRecognizer recognizer = new BaseRecognizer(operationsList);
Assert.Throws<UnrecognizedOperationException>(() => recognizer.GetFullOperation("-23"));
}
public void GetFullOperation_ReturnsRecognizedOperation()
{
var moqOperation = new Mock<IOperation>();
moqOperation.Setup(operation => operation.StringPresentation).Returns("+");
var operationsList = new List<IOperation> {moqOperation.Object};
IRecognizer recognizer = new BaseRecognizer(operationsList);
var result = recognizer.GetFullOperation("+56");
Assert.Equal("+",result);
}
public void Recognize_ReturnsCorrectRecognizedOperands()
{
var moqFirstOperation = new Mock<IOperation>();
moqFirstOperation.Setup(operation => operation.StringPresentation).Returns("+");
var moqSecondOperation = new Mock<IOperation>();
moqSecondOperation.Setup(operation => operation.StringPresentation).Returns("-");
var operationsList = new List<IOperation> { moqFirstOperation.Object, moqSecondOperation.Object };
IRecognizer recognizer = new BaseRecognizer(operationsList);
var result = recognizer.Recognize("2+6-8");
Assert.Equal(new[] { "2", "+", "6", "-", "8" }, result);
}
static void Main()
{
var pluginReader = new OperationPluginReader();
List<IOperation> operations;
try
{
operations = pluginReader.ReadPluginsFrom(Environment.CurrentDirectory + "\\Plugins");
}
catch (DirectoryNotFoundException)
{
Console.WriteLine("Ошибка! Отсутсвует директория Plugins");
Console.WriteLine("Нажмите любую клавишу, чтобы выйти...");
Console.ReadKey();
return;
}
var recognizer = new BaseRecognizer(operations);
var calculator = new PostfixCalculator(recognizer);
ShowAvailableOperations(calculator.GetAvailableOperations());
var reader = new ConsoleInputReader();
while (true)
{
try
{
var result = calculator.Calculate(reader.GetExpression());
Console.WriteLine("Результат: {0}",result);
}
catch (UnrecognizedOperationException e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine("Нажмите Enter, чтобы продолжить или Esc, чтобы выйти");
if (Console.ReadKey().Key == ConsoleKey.Escape)
{
return;
}
}
}
public void GetFullNumber_ReturnsFullNumberWithFloatingPointFromExpression()
{
IRecognizer recognizer = new BaseRecognizer();
var result = recognizer.GetFullNumber("56.57rhrdhr");
Assert.Equal("56.57",result);
}
public void GetFullNumber_ReturnsFullNumberFromExpression()
{
IRecognizer recognizer = new BaseRecognizer();
var result = recognizer.GetFullNumber("7904fss");
Assert.Equal("7904",result);
}