public void CreatesInstance_WhenIncomeingParametersAreCorrect(string journeyID, string administrativeCost)
{
//arrange
List <string> testParameters = new List <string>()
{
journeyID, administrativeCost
};
Mock <IDatabase> databaseMock = new Mock <IDatabase>();
Mock <ITravellerFactory> travellerFactoryMock = new Mock <ITravellerFactory>();
databaseMock.Setup(x => x.Journeys)
.Returns(new List <IJourney>()
{
It.IsAny <IJourney>(), It.IsAny <IJourney>(), It.IsAny <IJourney>(),
});
databaseMock.Setup(x => x.Tickets)
.Returns(new List <ITicket>());
ICommand createTicketCommand = new Traveller.Commands.Creating.CreateTicketCommand(databaseMock.Object, travellerFactoryMock.Object);
//act
createTicketCommand.Execute(testParameters);
//assert
Assert.AreEqual(1, databaseMock.Object.Tickets.Count);
}
public void ThrowException_WhenTheListWithTheParametersIsNullOrEmpty()
{
//arrange
Mock <IDatabase> databaseMock = new Mock <IDatabase>();
Mock <ITravellerFactory> travellerFactoryMock = new Mock <ITravellerFactory>();
ICommand createTicketCommand = new Traveller.Commands.Creating.CreateTicketCommand(databaseMock.Object, travellerFactoryMock.Object);
List <string> testParameters = null;
//act and assert
Assert.ThrowsException <ArgumentNullException>(() => createTicketCommand.Execute(testParameters));
}
public void ReturnTicketCreationSuccessMessage_WhenParametersAreCorrect()
{
//arrange
List <string> testParameters = new List <string>()
{
"0", "20.99"
};
Mock <IDatabase> databaseMock = new Mock <IDatabase>();
Mock <ITravellerFactory> travellerFactoryMock = new Mock <ITravellerFactory>();
ICommand createTicketCommand = new Traveller.Commands.Creating.CreateTicketCommand(databaseMock.Object, travellerFactoryMock.Object);
Mock <IJourney> journeyMock = new Mock <IJourney>();
List <IJourney> listOfJourneys = new List <IJourney>()
{
journeyMock.Object
};
databaseMock.Setup(x => x.Journeys)
.Returns(listOfJourneys);
databaseMock.Setup(x => x.Tickets)
.Returns(new List <ITicket>());
ITicket expectedTicket = new Ticket(journeyMock.Object, decimal.Parse(testParameters[1]));
travellerFactoryMock.Setup(x => x.CreateTicket(It.IsAny <IJourney>(), It.IsAny <decimal>()))
.Returns(expectedTicket);
//act
string testOutput = createTicketCommand.Execute(testParameters);
string expectedOutput = $"Ticket with ID {databaseMock.Object.Tickets.Count - 1} was created.";
//Expected output must be initialized after the command execution.
//assert
Assert.AreEqual(expectedOutput, testOutput);
}
public void ThrowException_WhenIncomeingParametersAreNotCorrect(string journeyID, string administrativeCost)
{
//arrange
List <string> testParameters = new List <string>()
{
journeyID, administrativeCost
};
Mock <IDatabase> databaseMock = new Mock <IDatabase>();
Mock <ITravellerFactory> travellerFactoryMock = new Mock <ITravellerFactory>();
databaseMock.Setup(x => x.Journeys)
.Returns(new List <IJourney>()
{
It.IsAny <IJourney>(), It.IsAny <IJourney>(), It.IsAny <IJourney>(),
});
ICommand createTicketCommand = new Traveller.Commands.Creating.CreateTicketCommand(databaseMock.Object, travellerFactoryMock.Object);
//act and assert
Assert.ThrowsException <ArgumentException>(() => createTicketCommand.Execute(testParameters));
}
public void CreateTicketAndAddItIntoTheDatabase_WhenParametersAreCorrect()
{
//arrange
List <string> testParameters = new List <string>()
{
"0", "20.99"
};
Mock <IDatabase> databaseMock = new Mock <IDatabase>();
Mock <ITravellerFactory> travellerFactoryMock = new Mock <ITravellerFactory>();
ICommand createTicketCommand = new Traveller.Commands.Creating.CreateTicketCommand(databaseMock.Object, travellerFactoryMock.Object);
Mock <IJourney> journeyMock = new Mock <IJourney>();
List <IJourney> listOfJourneys = new List <IJourney>()
{
journeyMock.Object
};
databaseMock.Setup(x => x.Journeys)
.Returns(listOfJourneys);
databaseMock.Setup(x => x.Tickets)
.Returns(new List <ITicket>());
ITicket expectedTicket = new Ticket(journeyMock.Object, decimal.Parse(testParameters[1]));
travellerFactoryMock.Setup(x => x.CreateTicket(It.IsAny <IJourney>(), It.IsAny <decimal>()))
.Returns(expectedTicket);
//act
createTicketCommand.Execute(testParameters);
//assert
Assert.AreEqual(1, databaseMock.Object.Tickets.Count);
Assert.AreEqual(databaseMock.Object.Tickets[0], expectedTicket);
}