public void ChangeBalanceTest()
{
// Arrange
var clientRepositoryMock = Substitute.For <IClientRepository>();
var sut = new ClientManager(clientRepositoryMock);
int clientID = 12;
decimal amount = 300;
clientRepositoryMock
.IsClientExist(Arg.Is <int>(clientID))
.Returns(true);
// Act
sut.ChangeBalance(clientID, amount);
// Asserts
clientRepositoryMock.Received(1).ChangeBalance(clientID, amount);
}
public void ChangeBalanceDidntExistTest()
{
// Arrange
var clientRepositoryMock = Substitute.For <IClientRepository>();
var sut = new ClientManager(clientRepositoryMock);
int clientID = 12;
decimal amount = 300;
clientRepositoryMock
.IsClientExist(Arg.Is <int>(clientID))
.Returns(false);
// Act
sut.ChangeBalance(clientID, amount);
Assert.Fail("Expected Exception");
// Asserts
clientRepositoryMock.DidNotReceive().ChangeBalance(clientID, amount);
}