public void When_async_method_throws_expected_exception_it_should_succeed()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var asyncObject = new AsyncClass();
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action action = () =>
{
Func <Task> asyncFunction = async() => { await asyncObject.ThrowAsync <ArgumentException>(); };
asyncFunction.ShouldThrow <ArgumentException>();
};
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
action.ShouldNotThrow();
}
public void When_async_method_throws_unexpected_exception_it_should_fail()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var asyncObject = new AsyncClass();
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action action = () =>
{
Func <Task> asyncFunction = async() => { await asyncObject.ThrowAsync <ArgumentException>(); };
asyncFunction.ShouldThrow <InvalidOperationException>();
};
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
action.ShouldThrow <AssertFailedException>()
.WithMessage("Expected System.InvalidOperationException, but found*System.ArgumentException*");
}
public void When_async_method_throws_exception_expected_not_to_be_thrown_it_should_fail()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var asyncObject = new AsyncClass();
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action action = () =>
{
Func <Task> asyncFunction = async() => { await asyncObject.ThrowAsync <ArgumentException>(); };
asyncFunction.ShouldNotThrow <ArgumentException>();
};
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
action.ShouldThrow <AssertFailedException>()
.WithMessage("Did not expect System.ArgumentException, but found one*");
}
public void When_async_method_throws_exception_and_expecting_not_to_throw_anything_it_should_fail()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
var asyncObject = new AsyncClass();
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Action action = () =>
{
Func <Task> asyncFunction = async() => { await asyncObject.ThrowAsync <ArgumentException>(); };
asyncFunction.ShouldNotThrow();
};
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
action.ShouldThrow <AssertFailedException>()
.WithMessage("Did not expect any exception, but found a System.ArgumentException",
ComparisonMode.StartWith);
}
