public void ReturnListOfAllClientsString_WhenInvokedWithValidParameters()
{
// Arrange
var clientServiceMock = new Mock <IClientService>();
var listAllClientsCommand = new ListAllClientsCommand(clientServiceMock.Object);
var parameters = new List <string>();
var clients = new List <ClientDto>()
{
new ClientDto()
{
FirstName = "Pesho", LastName = "Peshev"
},
new ClientDto()
{
FirstName = "Gosho", LastName = "Goshev"
}
};
clientServiceMock
.Setup(x => x.GetAllClients())
.Returns(clients);
var expectedMessage = string.Join(Environment.NewLine, clients);
//Act
var actualMessage = listAllClientsCommand.Execute(parameters);
//Assert
Assert.AreEqual(expectedMessage, actualMessage);
}
public void CreateInstance_WhenInvokedWithValidParameter()
{
//Arrange
var clientServiceMock = new Mock <IClientService>();
//Act
var listAllClientsCommand = new ListAllClientsCommand(clientServiceMock.Object);
//Assert
Assert.IsNotNull(listAllClientsCommand);
Assert.IsInstanceOfType(listAllClientsCommand, typeof(ICommand));
}
public void CallClientListAllMethodOnce_WhenInvokedWithValidParameters()
{
// Arrange
var clientServiceMock = new Mock <IClientService>();
var listAllClientsCommand = new ListAllClientsCommand(clientServiceMock.Object);
var parameters = new List <string>();
//Act
listAllClientsCommand.Execute(parameters);
//Assert
clientServiceMock.Verify(x => x.GetAllClients(), Times.Once);
}
public void ThrowArgumentNullException_WhenMethodReturnsNull()
{
// Arrange
var clientServiceMock = new Mock <IClientService>();
var listAllClientsCommand = new ListAllClientsCommand(clientServiceMock.Object);
var parameters = new List <string>();
var clients = new List <ClientDto>();
clientServiceMock
.Setup(x => x.GetAllClients())
.Returns((IEnumerable <ClientDto>)null);
//Act && Assert
Assert.ThrowsException <ArgumentNullException>(() => listAllClientsCommand.Execute(parameters));
}
public void ReturnNoClientsMessageString_WhenInvokedWithValidParameters()
{
// Arrange
var clientServiceMock = new Mock <IClientService>();
var listAllClientsCommand = new ListAllClientsCommand(clientServiceMock.Object);
var parameters = new List <string>();
var clients = new List <ClientDto>();
clientServiceMock
.Setup(x => x.GetAllClients())
.Returns(clients);
var expectedMessage = "There are no registered clients.";
//Act
var actualMessage = listAllClientsCommand.Execute(parameters);
//Assert
Assert.AreEqual(expectedMessage, actualMessage);
}
