public void Add_Handles_Multiple_Single_Character_Delimiters()
{
string calcProgram = "//[*][%]\n1*2%3";
StringCalculator calc = new StringCalculator();
int result = calc.Add(calcProgram);
Assert.AreEqual(6, result);
}
public void Add_Handles_Multi_Character_Delimiter()
{
string calcProgram = "//[***]\n1***2***3";
StringCalculator calc = new StringCalculator();
int result = calc.Add(calcProgram);
Assert.AreEqual(6, result);
}
public void should_support_different_delimiters()
{
//arrange
var calculator = new StringCalculator();
//act
var result = calculator.Add("//:\n1:2");
//assert
Assert.AreEqual(3, result);
}
public void should_support_delimiters_of_any_length()
{
//arrange
var calulator = new StringCalculator();
//act
var result = calulator.Add("//[***]\n1***2***3");
//assert
Assert.AreEqual(6, result);
}
public void should_sum_except_bigger_than_1000()
{
//arrange
var calculator = new StringCalculator();
//act
var result = calculator.Add("2,1001");
//assert
Assert.AreEqual(2, result);
}
public void should_return_sum_for_any_numbers()
{
//arrange
var calculator = new StringCalculator();
//act
var result = calculator.Add("7,4,5,3,3");
//assert
Assert.AreEqual(7+4+5+3+3, result);
}
public void should_return_5_for_2_and_3()
{
//arrange
var calculator = new StringCalculator();
//act
var result = calculator.Add("2,3");
//assert
Assert.AreEqual(5, result);
}
public void should_return_0_for_empty()
{
//arrange
var calculator = new StringCalculator();
//act
var result = calculator.Add("");
//assert
Assert.AreEqual(0, result);
}
public void Add_Calls_Logger()
{
// Arrange
// ==========================
ILogger logger = Mock.Create<ILogger>();
Mock.Arrange(() => logger.Write(Arg.AnyString)).MustBeCalled();
StringCalculator calculator = new StringCalculator(logger);
// Act
// ==========================
calculator.Add("1,2,3");
// Assert
// ==========================
Mock.Assert(logger);
}
public static int Main(string[] args)
{
if (args == null || args.Length == 0)
return 1;
StringCalculator calculator = new StringCalculator();
int result = calculator.Add(args[0]);
Console.WriteLine("The result is " + result);
Console.WriteLine("another input please");
string input = Console.ReadLine();
while(input != null)
{
result = calculator.Add(input);
Console.WriteLine("The result is " + result);
Console.WriteLine("another input please");
input = Console.ReadLine();
}
return 0;
}
public void Add_Allows_Comma_Or_Newline_Delimiters()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("1\n2,3");
Assert.AreEqual(6, result);
}
public void Add_With_Negative_Number_Includes_Number_In_Exception_Message()
{
StringCalculator calc = new StringCalculator();
try
{
int result = calc.Add("-1");
}
catch (Exception exception)
{
Assert.IsTrue(exception.Message.Contains("-1"));
}
}
public void Add_With_Negative_Number_Throws_Exception()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("-1");
}
public void Add_SumsTwoNumbers_SeparatedByComma()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("1,2");
Assert.AreEqual(3, result);
}
public void Add_SumsSingleNumber()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("1");
Assert.AreEqual(1, result);
}
public void should_throw_exception_for_any_negatives()
{
//arrange
var calculator = new StringCalculator();
//act
calculator.Add("-4, 1,-1,-3,-5");
}
public void Add_Ingores_Numbers_Larger_Than_1000()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("2,1001");
Assert.AreEqual(2, result);
}
public void should_throw_exception_for_one_negative()
{
//arrange
var calculator = new StringCalculator();
//act
calculator.Add("-1,3");
}
public void Add_DefaultDelimiterSpecifiedFirstLine()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("//;\n1;2");
Assert.AreEqual(3, result);
}
public void Add_Logs_To_Console()
{
// Arrange
// ==========================
// Create an ILogger that writes to System.Console
ConsoleLogger logger = new ConsoleLogger();
// Override the standard output stream of the Console class
StringBuilder builder = new StringBuilder();
TextWriter writer = new StringWriter(builder);
logger.SetOut(writer);
// Create the calculator instance with the logger
StringCalculator calculator = new StringCalculator(logger);
// Act
// ==========================
calculator.Add("1,2,3");
// Assert
// ==========================
Assert.AreEqual(builder.ToString(), "Sum Result: 6" + Environment.NewLine);
}
public void Add_SumsEmptyString()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("");
Assert.AreEqual(0, result);
}
public void Add_SumsMultipleNumbers_SeparatedByComma()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("1,2,3,4");
Assert.AreEqual(10, result);
}
public void Add_IWebService_Calls_Notify_With_Exception_Message_When_Logger_Throws_Exception()
{
// Arrange
ILogger logger = Mock.Create<ILogger>();
string exceptionMessage = "Logging hath failed verily.";
logger.Arrange(x => x.Write(Arg.AnyString)).Throws(new Exception(exceptionMessage));
// The web service must be called once
IWebService service = Mock.Create<IWebService>();
service.Arrange(x => x.Notify(exceptionMessage)).OccursOnce();
StringCalculator calculator = new StringCalculator(logger, service);
// Act
calculator.Add("1,2,3");
// Assert
service.AssertAll();
}
public void should_support_new_line_as_delimiter()
{
//arrange
var calculator = new StringCalculator();
//act
var result = calculator.Add("1\n2,3");
//assert
Assert.AreEqual(6, result);
}
