public void ExecuteShould_ThrowArgumentExceptionIfParametersAreNotProvided()
{
var providerMock = new Mock <IPostgresDataProvider>();
var writerMock = new Mock <IWriter>();
var command = new BuyTicketsCommand(providerMock.Object, writerMock.Object);
Assert.Throws <NullReferenceException>(() => command.Execute(null));
}
public void ConstructorShould_ReturnInstanceOfBuyTicketCommandClass_WhenThePassedValuesAreValid()
{
var providerMock = new Mock <IPostgresDataProvider>();
var writerMock = new Mock <IWriter>();
var command = new BuyTicketsCommand(providerMock.Object, writerMock.Object);
Assert.IsInstanceOf <BuyTicketsCommand>(command);
}
public void ExecuteShould_ClearTheScreenOneTIme()
{
var providerMock = new Mock <IPostgresDataProvider>();
var writerMock = new Mock <IWriter>();
providerMock.Setup(p => p.Tickets.Find(It.IsAny <Expression <Func <Ticket, bool> > >())).Returns(new Ticket[] { It.IsAny <Ticket>() });
var command = new BuyTicketsCommand(providerMock.Object, writerMock.Object);
command.Execute(new List <string>()
{
"1"
});
writerMock.Verify(x => x.Clear(), Times.Once);
}
public void ExecuteShould_ReturnNoTicketsFoundIfIdDoesNotExistAndParameterIsProvided()
{
var ticketId = "1";
var providerMock = new Mock <IPostgresDataProvider>();
var writerMock = new Mock <IWriter>();
providerMock.Setup(p => p.Tickets.Find(It.IsAny <Expression <Func <Ticket, bool> > >())).Returns(new Ticket[] { It.IsAny <Ticket>() });
var command = new BuyTicketsCommand(providerMock.Object, writerMock.Object);
string result = command.Execute(new List <string>()
{
ticketId
});
Assert.That(result.Contains($"Sorry no tickets with this Id: {ticketId} were found!"));
}
