public void Message_NullMessageWithInnerException()
{
// Issue 343: If there is no message but there is an inner exception specified, the main exception message should be modified.
var inner = new Exception("Can't find file.");
var dre = new DependencyResolutionException(null, inner);
Assert.True(dre.Message.Contains("Can't find file."), "The exception message should include the inner exception message.");
}
/// <summary>
/// Tries to find any configuration problems
/// by going through each of the services registered and trying to resolve them.
/// </summary>
/// <param name="container">The container.</param>
/// <returns>A list of exceptions from resolve attemps or an empty list if no problems were found.</returns>
public static IList<Exception> FindConfigurationProblems(this IContainer container)
{
var services = container
.ComponentRegistry
.Registrations
.SelectMany(x => x.Services)
.OfType<TypedService>()
.Where(x => !x.ServiceType.Name.StartsWith("Autofac"))
.ToList();
var exceptions = new List<Exception>();
foreach (var typedService in services)
{
try
{
container.Resolve(typedService.ServiceType);
}
catch (DependencyResolutionException ex)
{
var e = new DependencyResolutionException(
string.Format("Unable to resolve service '{0}'. {1}",
typedService.ServiceType.FullName, ex.Message), ex);
exceptions.Add(e);
}
}
return exceptions;
}
public void Message_InnerExceptionMessageIncluded()
{
// Issue 343: The inner exception message should be included in the main exception message.
var inner = new Exception("Can't find file.");
var dre = new DependencyResolutionException("Unable to resolve component.", inner);
Assert.True(dre.Message.Contains("Can't find file."), "The exception message should include the inner exception message.");
}
public void Message_NullInnerException()
{
// Issue 343: If there is a null inner exception specified, the main exception message should not be modified.
var dre = new DependencyResolutionException("Unable to resolve component.", null);
Assert.Equal("Unable to resolve component.", dre.Message);
}
public void Message_NoMessageOrInnerException()
{
// Issue 343: If there is no message or inner exception specified, the main exception message should not be modified.
var dre = new DependencyResolutionException(null);
Assert.True(dre.Message.Contains("Autofac.Core.DependencyResolutionException"), "The exception message should be the default exception message.");
}
public void Message_NullMessageWithInnerException()
{
var inner = new FileNotFoundException("Can't find file.");
var dre = new DependencyResolutionException(null, inner);
Assert.IsTrue(dre.Message.Contains("Can't find file."), "The exception message should include the inner exception message.");
}
public void Message_NullInnerException()
{
var dre = new DependencyResolutionException("Unable to resolve component.", null);
Assert.AreEqual("Unable to resolve component.", dre.Message, "The message should not be modified if there is no inner exception.");
}
public void Message_NoMessageOrInnerException()
{
var dre = new DependencyResolutionException(null);
Assert.AreEqual("Exception of type 'Autofac.Core.DependencyResolutionException' was thrown.", dre.Message, "The message should not be modified if there is no inner exception.");
}
public void Message_InnerExceptionMessageIncluded()
{
var inner = new FileNotFoundException("Can't find file.");
var dre = new DependencyResolutionException("Unable to resolve component.", inner);
Assert.IsTrue(dre.Message.Contains("Can't find file."), "The exception message should include the inner exception message.");
}
public void Message_NoMessageOrInnerException()
{
// Issue 343: If there is no message or inner exception specified, the main exception message should not be modified.
var dre = new DependencyResolutionException(null);
Assert.Equal("Exception of type 'Autofac.Core.DependencyResolutionException' was thrown.", dre.Message);
}