public void Handle_NoMatchingCommandHandler_ShouldNotCallNonMatchingCommandHandlers()
{
var result = new ParseResult();
var handlers = A.Fake <ICommandHandlers>();
var command1Options = new Command1Options();
result.CommandHandler <Command2Options>(handlers.HandleCommand2);
result.CommandHandler <Command3Options>(handlers.HandleCommand3);
result.CommandOptions = command1Options;
result.Handle();
A.CallTo(() => handlers.HandleCommand2(A <Command2Options> .Ignored)).MustNotHaveHappened();
A.CallTo(() => handlers.HandleCommand3(A <Command3Options> .Ignored)).MustNotHaveHappened();
}
public void Handle_CommandHandlerThrows_ShouldForwardCommandHandlerException()
{
var result = new ParseResult();
var handlers = A.Fake <ICommandHandlers>();
var command1Options = new Command1Options();
A.CallTo(() => handlers.HandleCommand1(command1Options)).Throws(new Exception("Command Handler Exception"));
result.CommandHandler <Command1Options>(handlers.HandleCommand1);
result.CommandOptions = command1Options;
result.Invoking(a => a.Handle())
.Should()
.Throw <Exception>()
.WithMessage("Command Handler Exception");
try
{
result.Handle();
}
catch (Exception ex)
{
Console.Out.WriteLine(ex.ToString());
}
}
public void Handle_NoMatchingCommandHandler_ShouldReturn0()
{
var result = new ParseResult();
var handlers = A.Fake <ICommandHandlers>();
var command1Options = new Command1Options();
result.CommandHandler <Command2Options>(handlers.HandleCommand2);
result.CommandOptions = command1Options;
result.Handle().Should().Be(0);
}
public void Handle_HasErrors_ShouldNotCallAnyCommandHandler()
{
var result = new ParseResult();
var handlers = A.Fake <ICommandHandlers>();
result.CommandHandler <Command1Options>(handlers.HandleCommand1);
result.AddError(new OptionMissingError("optionA"));
result.Handle();
A.CallTo(() => handlers.HandleCommand1(A <Command1Options> .Ignored)).MustNotHaveHappened();
}
public void Handle_MatchingCommandHandlerExists_ShouldReturnValueOfCommandHandler()
{
var result = new ParseResult();
var handlers = A.Fake <ICommandHandlers>();
var command1Options = new Command1Options();
A.CallTo(() => handlers.HandleCommand1(command1Options)).Returns(1);
result.CommandHandler <Command1Options>(handlers.HandleCommand1);
result.CommandOptions = command1Options;
result.Handle().Should().Be(1);
}
public void Handle_MatchingCommandHandlerExists_ShouldCallMatchingCommandHandler()
{
var result = new ParseResult();
var handlers = A.Fake <ICommandHandlers>();
var command1Options = new Command1Options();
result.CommandHandler <Command1Options>(handlers.HandleCommand1);
result.CommandOptions = command1Options;
result.Handle();
A.CallTo(() => handlers.HandleCommand1(command1Options)).MustHaveHappenedOnceExactly();
}
public void Handle_NoCommandOptions_ShouldNotCallHandlers()
{
var result = new ParseResult();
var handlers = A.Fake <ICommandHandlers>();
result.CommandHandler <Command1Options>(handlers.HandleCommand1);
result.ErrorHandler(handlers.HandleError);
result.CommandOptions = null;
result.Handle();
A.CallTo(() => handlers.HandleCommand1(A <Command1Options> .Ignored)).MustNotHaveHappened();
A.CallTo(() => handlers.HandleError(A <ParseResult> .Ignored)).MustNotHaveHappened();
}