public void Can_add_exceptionLayouts_by_scanning_assemblies()
{
// Arrange && Assert
var formatter = ExceptionFormatter.Create(this.GetType().Assembly);
// Assert
((ExceptionFormatter)formatter).ExceptionLayouts.Should().NotBeEmpty();
}
public void AddExceptionLayout_adds_exceptionLayout_to_formatter_by_type()
{
// Arrange && Assert
var formatter = ExceptionFormatter.Create()
.AddExceptionLayout(new DefaultExceptionLayout())
.AddExceptionLayout(typeof(GenericFaultExceptionLayout <>));
// Assert
formatter.ExceptionLayouts.Should().HaveCount(2);
}
public void AddExceptionLayout_adds_exceptionLayout_to_formatter()
{
// Arrange && Assert
var formatter = ExceptionFormatter.Create()
.AddExceptionLayout(new DefaultExceptionLayout())
.AddExceptionLayout(new CustomerExceptionLayout())
.AddExceptionLayout(new FaultExceptionLayout());
// Assert
formatter.ExceptionLayouts.Should().HaveCount(3);
}
public void FormatException_can_handle_null_values()
{
// Arrange
var formatter = ExceptionFormatter.Create();
// Act
var actual = formatter.FormatException(null);
// Assert
actual.Should().BeNullOrEmpty();
}
public void FormatException_when_exceptionType_not_found_uses_default_exception_layout()
{
// Arrange
var formatter = ExceptionFormatter.Create()
.AddExceptionLayout(new DefaultExceptionLayout());
// Act
var actual = formatter.FormatException(new CustomerNotFoundException());
// Assert
actual.Should().MatchEquivalentOf("DefaultExceptionLayout*");
}
public void FormatException_When_exception_in_layout_falls_back_to_defaultExceptionLayout()
{
// Arrange
var formatter = ExceptionFormatter.Create()
.AddExceptionLayout(new ExceptionThrowingLayout());
// Act
var actual = formatter.FormatException(new OrderException("Order failed"));
// Assert
actual.Should().MatchEquivalentOf("*An error* in *ExceptionThrowingLayout*falling back*Order failed*");
}
public void FormatException_when_exceptionType_not_found_uses_baseType_Layout()
{
// Arrange
var formatter = ExceptionFormatter.Create()
.AddExceptionLayout(new CustomerExceptionLayout());
// Act
var subClassException = new CustomerNotFoundException();
var actual = formatter.FormatException(subClassException);
// Assert
actual.Should().MatchEquivalentOf("CustomerExceptionLayout*");
}
public void FormatException_Creates_exceptionMessage_innerException_first_outerException_last()
{
// Arrange
var formatter = ExceptionFormatter.Create();
var ex = new ArgumentException("Ex1", new Exception("Ex2", new Exception("Ex3")));
// Act
var actual = formatter.FormatException(ex);
// Assert
actual.Should().MatchEquivalentOf("*Ex3*Ex2*Ex1*");
}
public void FormatException_uses_matching_layout()
{
// Arrange
var formatter = ExceptionFormatter.Create()
.AddExceptionLayout(new CustomerExceptionLayout())
.AddExceptionLayout(new CustomerNotFoundExceptionLayout())
.AddExceptionLayout(new DefaultExceptionLayout());
// Act
var actual = formatter.FormatException(new CustomerNotFoundException());
// Assert
actual.Should().MatchEquivalentOf("CustomerNotFoundException*");
}
public void FormatException_can_format_generic_exceptions_using_generic_exception_layout()
{
// Arrange
var formatter = ExceptionFormatter.Create()
.AddExceptionLayout(typeof(GenericFaultExceptionLayout <>));
// Act
var actual = formatter.FormatException(new FaultException <CalculationError>(new CalculationError
{
Reason = "MyReason"
}));
// Assert
actual.Should().MatchEquivalentOf("*CalculationError*MyReason*");
}
public void FormatException_Uses_formatters_for_exceptionTypes()
{
var formatter = ExceptionFormatter.Create()
.AddExceptionLayout(new DefaultExceptionLayout())
.AddExceptionLayout(new CustomerExceptionLayout())
.AddExceptionLayout(new CustomerNotFoundExceptionLayout());
var ex = new AggregateException(
new CustomerNotFoundException("",
new CustomerException("",
new Exception(""))));
var names = formatter.FormatException(ex);
names.Should().MatchEquivalentOf(string.Join("*",
"DefaultExceptionLayout",
"CustomerExceptionLayout",
"CustomerNotFoundExceptionLayout",
"DefaultExceptionLayout*"
));
}