public void ListPetsCommand_Constructor_Should_Throw_ArgumentNullException_When_PetRepo_Is_Null()
{
// Arrange
var writer = new Mock <IWriter>();
ICommand listPetsCommand;
// Act & Assert
Assert.ThrowsException <ArgumentNullException>(() => listPetsCommand = new ListPetsCommand
(null, writer.Object));
}
public void ListPetsCommand_Constructor_Should_Create_Instance_OfType_ICommand()
{
// Arrange
var pets = new Mock <IPetRepository>();
var writer = new Mock <IWriter>();
ICommand listPetsCommand = new ListPetsCommand(pets.Object, writer.Object);
// Act & Assert
Assert.IsInstanceOfType(listPetsCommand, typeof(ICommand));
}
public void ListPetsCommand_Constructor_Should_Throw_ArgumentNullException_When_Writer_Is_Null()
{
// Arrange
var pets = new Mock <IPetRepository>();
ICommand listPetsCommand;
// Act & Assert
Assert.ThrowsException <ArgumentNullException>(() => listPetsCommand = new ListPetsCommand
(pets.Object, null));
}
public void ListPetsCommand_Execute_Should_Call_Pet_PrintInfoMethod()
{
// Arrange
var pets = new Mock <IPetRepository>();
var writer = new Mock <IWriter>();
var pet = new Mock <IPet>();
pets.SetupGet(m => m.Pets).Returns(new List <IPet>()
{
pet.Object
});
ICommand listPetsCommand = new ListPetsCommand(pets.Object, writer.Object);
// Act
listPetsCommand.Execute();
// Assert
pet.Verify(m => m.PrintInfo(), Times.Once);
}
