static void Main(string[] args)
{
try
{
//Create the FizzBuzzProcess.
//custom output list is injected to allow for unit testing.
var fizzBuzz = new FizzBuzzProcess();
//The output delegate provides a way to customize how the output will be
//used. This allows for the caller to determine what form the output will take and
//how it will be used.
fizzBuzz.OnOutputText += (string text) =>
{
Console.WriteLine(text);
};
//Add the custom output (3, 5, 8)
fizzBuzz.AddCustomOutput(new CustomModuloOutput(3, "Fizz"));
fizzBuzz.AddCustomOutput(new CustomModuloOutput(5, "Buzz"));
fizzBuzz.AddCustomOutput(new CustomModuloOutput(8, "Cazz"));
fizzBuzz.OrderListByDivisor();
//Process the list for 100 integers
fizzBuzz.ProcessCount(100);
}
catch (Exception ex)
{
Console.WriteLine("Error: " + ex.Message);
}
Console.ReadLine();
}
public void ProcessCount_ForNoCustomOutput_ReturnsNumbersOnly()
{
var listString = new StringBuilder();
var fizzBuzzProc = new FizzBuzzProcess();
fizzBuzzProc.OnOutputText += (string text) =>
{
listString.Append(text + " ");
};
fizzBuzzProc.ProcessCount(10);
Assert.IsTrue(listString.ToString() == "1 2 3 4 5 6 7 8 9 10 ", "Output did not match (" + listString.ToString() + ")");
}
public void ProcessCount_ForNegativeCount_ReturnsNothing()
{
var listString = new StringBuilder();
var fizzBuzzProc = new FizzBuzzProcess();
fizzBuzzProc.OnOutputText += (string text) =>
{
listString.Append(text + " ");
};
fizzBuzzProc.ProcessCount(-10);
Assert.IsTrue(listString.ToString() == "", "Output did not match (" + listString.ToString() + ")");
}
public void ProcessCount_ForOneBuzzOutput_ReturnsCustomOutput()
{
var customStub = new Mock<ICustomModuloOutput>();
customStub.Setup(m => m.Process(5)).Returns("Buzz");
customStub.Setup(m => m.Process(10)).Returns("Buzz");
customStub.Setup(m => m.Process(15)).Returns("Buzz");
var listString = new StringBuilder();
var fizzBuzzProc = new FizzBuzzProcess();
fizzBuzzProc.AddCustomOutput(customStub.Object);
fizzBuzzProc.OnOutputText += (string text) =>
{
listString.Append(text + " ");
};
fizzBuzzProc.ProcessCount(10);
Assert.IsTrue(listString.ToString() == "1 2 3 4 Buzz 6 7 8 9 Buzz ", "Output did not match (" + listString.ToString() + ")");
}
public void ProcessCount_NormalListProcess_CorrectDelegateCallCount()
{
var customFizzMock = new Mock<ICustomModuloOutput>();
customFizzMock.Setup(m => m.Process(It.IsAny<int>()));
var customBuzzMock = new Mock<ICustomModuloOutput>();
customBuzzMock.Setup(m => m.Process(It.IsAny<int>()));
var delegateCount = 0;
var fizzBuzzProc = new FizzBuzzProcess();
fizzBuzzProc.AddCustomOutput(customFizzMock.Object);
fizzBuzzProc.AddCustomOutput(customBuzzMock.Object);
fizzBuzzProc.OnOutputText += (string text) =>
{
delegateCount += 1;
};
fizzBuzzProc.ProcessCount(10);
Assert.IsTrue(delegateCount == 10, "Was expecting 10 but found " + delegateCount);
customFizzMock.Verify(m => m.Process(It.IsAny<int>()), Times.Exactly(10), "Process(int) method was not called the correct number of times");
customBuzzMock.Verify(m => m.Process(It.IsAny<int>()), Times.Exactly(10), "Process(int) method was not called the correct number of times");
}
public void ProcessCount_NormalListProcess_CorrectCustomModOutputCallCount()
{
var customMock = new Mock<ICustomModuloOutput>();
customMock.Setup(m => m.Process(It.IsAny<int>()));
var fizzBuzzProc = new FizzBuzzProcess();
fizzBuzzProc.AddCustomOutput(customMock.Object);
fizzBuzzProc.AddCustomOutput(customMock.Object);
fizzBuzzProc.AddCustomOutput(customMock.Object);
fizzBuzzProc.AddCustomOutput(customMock.Object);
fizzBuzzProc.ProcessCount(10);
customMock.Verify(m => m.Process(It.IsAny<int>()), Times.Exactly(40), "Process(int) method was not called the correct number of times");
}
public void ProcessCount_NoDelegate_ReturnsNothing()
{
var listString = new StringBuilder();
var fizzBuzzProc = new FizzBuzzProcess();
//we didn't add a delegate
fizzBuzzProc.ProcessCount(100);
//if we get here everything is good
Assert.IsTrue(true);
}
public void ProcessCount_MultipleDelegates_ReturnsNumbers()
{
var listString1 = new StringBuilder();
var listString2 = new StringBuilder();
var fizzBuzzProc = new FizzBuzzProcess();
fizzBuzzProc.OnOutputText += (string text) =>
{
listString1.Append(text + " ");
};
fizzBuzzProc.OnOutputText += (string text) =>
{
listString2.Append(text + " ");
};
fizzBuzzProc.ProcessCount(10);
Assert.IsTrue(listString1.ToString() == "1 2 3 4 5 6 7 8 9 10 ", "Output did not match (" + listString1.ToString() + ")");
Assert.IsTrue(listString2.ToString() == "1 2 3 4 5 6 7 8 9 10 ", "Output did not match (" + listString2.ToString() + ")");
}
