public void Test_ThrowsOnInnerException()
{
// Arrange
var commandMock = new Mock <ICommand <int, int> >();
commandMock.Setup(x => x.Execute(It.IsAny <int>())).Throws(new ArgumentException("Test exception"));
var loggerMock = new Mock <ILogger <ErrorHandlingCommandDecorator <int, int> > >();
var decorator = new ErrorHandlingCommandDecorator <int, int>(commandMock.Object, loggerMock.Object);
// Act
// Assert
Assert.Throws <ArgumentException>(() => decorator.Execute(2));
commandMock.Verify(x => x.Execute(It.IsAny <int>()), Times.Once);
loggerMock.Verify(l => l.Log(
LogLevel.Error,
It.IsAny <EventId>(),
It.IsAny <It.IsAnyType>(),
It.IsAny <ArgumentException>(),
(Func <It.IsAnyType, Exception, string>)It.IsAny <object>()), Times.Once);
}
public void Test_ReturnsCorrectValueOnNoException()
{
// Arrange
int expected = 5;
var commandMock = new Mock <ICommand <int, int> >();
commandMock.Setup(x => x.Execute(It.IsAny <int>())).Returns(expected);
var loggerMock = new Mock <ILogger <ErrorHandlingCommandDecorator <int, int> > >();
var decorator = new ErrorHandlingCommandDecorator <int, int>(commandMock.Object, loggerMock.Object);
// Act
var result = decorator.Execute(2);
// Assert
Assert.Equal(expected, result);
commandMock.Verify(x => x.Execute(It.IsAny <int>()), Times.Once);
loggerMock.Verify(l => l.Log(
It.IsAny <LogLevel>(),
It.IsAny <EventId>(),
It.IsAny <It.IsAnyType>(),
It.IsAny <ArgumentException>(),
(Func <It.IsAnyType, Exception, string>)It.IsAny <object>()), Times.Never);
}
