private static void Main(string[] args)
{
LoggerFactory loggerFactory = new LoggerFactory();
#pragma warning disable CS0618 // Type or member is obsolete
loggerFactory.AddConsole(includeScopes: true);
#pragma warning restore CS0618 // Type or member is obsolete
//ILogger logger = loggerFactory.CreateLogger("logger");
ILogger <Program> logger = loggerFactory.CreateLogger <Program>();
using (logger.BeginScope("user is {name}", "mike"))
{
logger.LogDebug("debug");
logger.LogInformation("hello");
logger.LogError("this is an error");
}
if (args.Length == 0)
{
Console.Error.WriteLine("usage: dotnet hailstone.console <input as integer>");
// !!!!!
// yes, c# has goto
// yes, i'm using it here to get us down to the
// ReadKey() to keep the console from disappearing
// while debugging in visual studio
// no, you don't really have many opportunities to use it in real life
// caveat programmor
goto end;
}
bool result = long.TryParse(args[0], out long input);
if (!result)
{
Console.Error.WriteLine("The input was not an integer.");
goto end;
}
HailstoneNumberGenerator generator = new NaiveHailstoneNumberGenerator();
//Console.WriteLine(generator.ID);
DoStuff_Injected(generator);
DoStuff_NotInjected();
long hailstoneNumber = generator.ComputeHailstoneNumber(input);
// Console.WriteLine(hailstoneNumber);
System.Collections.Generic.IEnumerable <long> sequence = generator.GenerateSequence(input);
foreach (long item in sequence)
{
//Console.Write(item + ", ");
}
end:
Console.ReadKey();
}
public void Test_Get_Success()
{
var generator = new NaiveHailstoneNumberGenerator();
var controller = new HailstoneController(generator);
ActionResult <HailstoneInformation> actual = controller.Get(5);
HailstoneInformation value = actual.Value;
Assert.That(value.Number, Is.EqualTo(5));
Assert.That(value.Sequence, Is.EquivalentTo(new long[] { 5, 16, 8, 4, 2, 1 }));
}
public void Test()
{
// arrange
var generator = new NaiveHailstoneNumberGenerator();
long input = 5;
long expected = 5;
// act
var actual = generator.ComputeHailstoneNumber(input);
// assert
Assert.AreEqual(expected, actual);
}
static void Main(string[] args)
{
if (args.Length == 0)
{
Console.Error.WriteLine("usage: dotnet hailstone.console <input as integer>");
return;
}
bool result = long.TryParse(args[0], out long input);
if (!result)
{
Console.Error.WriteLine("The input was not an integer.");
return;
}
HailstoneNumberGenerator generator = new NaiveHailstoneNumberGenerator();
long hailstoneNumber = generator.ComputeHailstoneNumber(input);
Console.WriteLine(hailstoneNumber);
}
/// <summary>
/// This method does not use dependency injection at the method level.
/// </summary>
/// <remarks>
/// This method uses "new" to instantiate a new instance of a specific type of HailstoneNumberGenerator.
///
/// If this is really what is needed, then it is ok.
/// But when you need to change the type of generator used, you will need to scour your code for all instances,
/// change those places, and do more testing (which is ok because you have a lot of automated tests, right?)
/// </remarks>
public static void DoStuff_NotInjected()
{
NaiveHailstoneNumberGenerator generator = new NaiveHailstoneNumberGenerator();
generator.ComputeHailstoneNumber(0);
}