public void Should_AllowDashInUserName_When_RoutingCommands()
{
// Arrange
var SUT = new CommandHandler(readCommand, postCommand, wallCommand);
// Act
SUT.HandleUserCommand("Alice-80 Wall");
//Assert
var routedCall = GetExecuteCall(wallCommandObserver).FirstOrDefault();
if (routedCall == null) Assert.Inconclusive("The request was not routed to the command so this test cannot assert the appropriate routing of arguments");
var routedArguments = routedCall.GetArguments().FirstOrDefault();
Assert.IsInstanceOfType(routedArguments, typeof(string[]), "The routed arguments are of wrong type");
var convertedArguments = (string[])routedArguments;
Assert.AreEqual("Alice-80", convertedArguments.FirstOrDefault(), "The User Name argument was not properly routed to the command");
}
public void Should_RoutePostRequestToAppropriateCommand()
{
// Arrange
var SUT = new CommandHandler(readCommand, postCommand, wallCommand);
// Act
SUT.HandleUserCommand("Alice -> I love the weather today!");
//Assert
Assert.IsFalse(GetExecuteCall(readCommandObserver).Any(), "The request was incorrectly routed to ReadCommand");
Assert.IsTrue(GetExecuteCall(postCommandObserver).Any(), "The request was not routed to PostCommand");
Assert.IsFalse(GetExecuteCall(wallCommandObserver).Any(), "The request was incorrectly routed to WallCommand");
}
public void Should_RouteEmptySignatureCommandTextToReadCommand()
{
// Arrange
var SUT = new CommandHandler(readCommand, postCommand, wallCommand);
// Act
SUT.HandleUserCommand("Alice");
//Assert
Assert.IsTrue(GetExecuteCall(readCommandObserver).Any(), "The request was not routed to ReadCommand");
Assert.IsFalse(GetExecuteCall(postCommandObserver).Any(), "The request was incorrectly routed to PostCommand");
Assert.IsFalse(GetExecuteCall(wallCommandObserver).Any(), "The request was incorrectly routed to WallCommand");
}
public void Should_RoutePostArgumentsToAppropriateCommand()
{
// Arrange
var SUT = new CommandHandler(readCommand, postCommand, wallCommand);
// Act
SUT.HandleUserCommand("Alice -> I love the weather today!");
//Assert
var routedCall = GetExecuteCall(postCommandObserver).FirstOrDefault();
if (routedCall == null) Assert.Inconclusive("The request was not routed to the command so this test cannot assert the appropriate routing of arguments");
var routedArguments = routedCall.GetArguments().FirstOrDefault();
Assert.IsInstanceOfType(routedArguments, typeof(string[]), "The routed arguments are of wrong type");
var convertedArguments = (string[])routedArguments;
Assert.AreEqual(2, convertedArguments.Length, "Wrong number of arguments");
Assert.AreEqual("Alice", convertedArguments[0], "The User Name argument was not properly routed to the command");
Assert.AreEqual("I love the weather today!", convertedArguments[1], "The message argument was not properly routed to the command");
}
public void Should_ReturnErrorMessage_WhenCommandDoesNotExist()
{
// Arrange
var SUT = new CommandHandler(readCommand, postCommand, wallCommand);
// Act
var actual = SUT.HandleUserCommand("Alice NotACommand");
//Assert
Assert.AreEqual("Unknown command", actual);
}
