public void Start_ShouldInvokeUserInterfaceWriteLineWithCorrectMessage_WhenCommandIsNotFound()
{
var startIndex = 0;
var commandsStrings = new List <string>()
{
"NotExistingCommand 1 2 3",
"End"
};
var userInterface = new Mock <IUserInterfaceProvider>();
userInterface.Setup(ui => ui.ReadLine()).Returns(() =>
{
return(commandsStrings[startIndex++]);
});
var commandProvider = new Mock <ICommandProvider>();
commandProvider.Setup(cp => cp.FindCommandExecutorWithName(It.IsAny <string>())).Returns(() => null);
var engine = new SchoolSystemEngine(userInterface.Object, commandProvider.Object);
engine.Start();
userInterface.Verify(ui => ui.WriteLine("The passed command is not found!"), Times.Once());
}
public void Start_ShouldInvokeCommandProviderFindCommandWithName_WithCorrectParameter(string command, string commandName)
{
var startIndex = 0;
var commandsStrings = new List <string>()
{
command,
"End"
};
var userInterface = new Mock <IUserInterfaceProvider>();
userInterface.Setup(ui => ui.ReadLine()).Returns(() =>
{
return(commandsStrings[startIndex++]);
});
var commandProvider = new Mock <ICommandProvider>();
commandProvider.Setup(cp => cp.FindCommandExecutorWithName(It.IsAny <string>())).Returns(new Mock <ICommand>().Object);
var engine = new SchoolSystemEngine(userInterface.Object, commandProvider.Object);
engine.Start();
commandProvider.Verify(cp => cp.FindCommandExecutorWithName(commandName), Times.Once());
}
public void Start_ShouldInvokeUserInterfaceWriteLine_WithCorrectMessageWhenCommandHasExecutedCorrectly()
{
var expectedMessage = "expected message";
var startIndex = 0;
var commandsStrings = new List <string>()
{
"CreateTeacher 1 2 3",
"End"
};
var userInterface = new Mock <IUserInterfaceProvider>();
userInterface.Setup(ui => ui.ReadLine()).Returns(() =>
{
return(commandsStrings[startIndex++]);
});
var mockCommand = new Mock <ICommand>();
mockCommand.Setup(command => command.Execute(It.IsAny <IList <string> >(), It.IsAny <ISchoolSystemEngine>()))
.Returns(expectedMessage);
var commandProvider = new Mock <ICommandProvider>();
commandProvider.Setup(cp => cp.FindCommandExecutorWithName(It.IsAny <string>())).Returns(mockCommand.Object);
var engine = new SchoolSystemEngine(userInterface.Object, commandProvider.Object);
engine.Start();
userInterface.Verify(ui => ui.WriteLine(expectedMessage), Times.Once());
}
public void Start_ShouldInvokeTheCommand_WithCorrectParameters()
{
var startIndex = 0;
var commandsStrings = new List <string>()
{
"NotExistingCommand 1 2 3",
"End"
};
var commandParameters = new List <string>()
{
"1", "2", "3"
};
var userInterface = new Mock <IUserInterfaceProvider>();
userInterface.Setup(ui => ui.ReadLine()).Returns(() =>
{
return(commandsStrings[startIndex++]);
});
var mockCommand = new Mock <ICommand>();
var commandProvider = new Mock <ICommandProvider>();
commandProvider.Setup(cp => cp.FindCommandExecutorWithName(It.IsAny <string>())).Returns(mockCommand.Object);
var engine = new SchoolSystemEngine(userInterface.Object, commandProvider.Object);
engine.Start();
mockCommand.Verify(command => command.Execute(commandParameters, It.IsAny <ISchoolSystemEngine>()), Times.Once());
}
private static void Main()
{
var consoleReader = new ConsoleReader();
var consoleWriter = new ConsoleWriter();
var students = new Dictionary <int, IStudent>();
var teachers = new Dictionary <int, ITeacher>();
var commandFactory = new CommandFactory();
var engine = new SchoolSystemEngine(consoleReader, consoleWriter, teachers, students, commandFactory);
engine.Start();
}
public void Start_ShouldInvokeUserInterfaceReadLineOnce_IfTheFirstCommandIsEnd()
{
var commandsString = "End";
var stringReader = new StringReader(commandsString);
var userInterface = new Mock <IUserInterfaceProvider>();
userInterface.Setup(ui => ui.ReadLine()).Returns(stringReader.ReadLine());
var commandProvider = new Mock <ICommandProvider>();
var engine = new SchoolSystemEngine(userInterface.Object, commandProvider.Object);
engine.Start();
userInterface.Verify(ui => ui.ReadLine(), Times.Once());
}
public void Start_ShouldCallReadLineOnceAndReturn_WhenEndCommandIsRead()
{
var mockedWriter = new Mock <IWriter>();
var teachers = new Dictionary <int, ITeacher>();
var students = new Dictionary <int, IStudent>();
var mockedCommandFactory = new Mock <ICommandFactory>();
var mockedReader = new Mock <IReader>();
mockedReader.Setup(x => x.ReadLine()).Returns("End");
var result = new SchoolSystemEngine(
mockedReader.Object,
mockedWriter.Object,
teachers,
students,
mockedCommandFactory.Object);
result.Start();
mockedReader.Verify(x => x.ReadLine(), Times.Once());
}
public void Start_ShouldCallReadLineTwiceCreateACommandAndExecuteIt_WhenCommandIsPassed()
{
var teachers = new Dictionary <int, ITeacher>();
var students = new Dictionary <int, IStudent>();
var mockedCommand = new Mock <ICommand>();
mockedCommand.Setup(x => x.Execute(It.IsAny <IList <string> >()))
.Returns("EXECUTED!");
var mockedWriter = new Mock <IWriter>();
mockedWriter.Setup(x => x.WriteLine("EXECUTED!"));
var mockedCommandFactory = new Mock <ICommandFactory>();
mockedCommandFactory.Setup(x => x.CreateCommand(It.Is <string>(y => y == "CreateStudent")))
.Returns(new Mock <ICommand>().Object);
var mockedReader = new Mock <IReader>();
mockedReader.SetupSequence(x => x.ReadLine())
.Returns("CreateStudent FirstName LastName 1")
.Returns("End");
var result = new SchoolSystemEngine(
mockedReader.Object,
mockedWriter.Object,
teachers,
students,
mockedCommandFactory.Object);
result.Start();
mockedCommandFactory.Verify(x => x.CreateCommand(It.Is <string>(y => y == "CreateStudent")), Times.Once());
mockedReader.Verify(x => x.ReadLine(), Times.Exactly(2));
mockedWriter.Verify(x => x.WriteLine(It.IsAny <string>()), Times.Once());
}
public void Start_ShouldInvokeUserInterfaceWriteLineWithCorrectMessage_WhenInputIsAnEmptyLine()
{
var startIndex = 0;
var commandsStrings = new List <string>()
{
"",
"End"
};
var userInterface = new Mock <IUserInterfaceProvider>();
userInterface.Setup(ui => ui.ReadLine()).Returns(() =>
{
return(commandsStrings[startIndex++]);
});
var commandProvider = new Mock <ICommandProvider>();
var engine = new SchoolSystemEngine(userInterface.Object, commandProvider.Object);
engine.Start();
userInterface.Verify(ui => ui.WriteLine("The passed command is not found!"), Times.Once());
}