I have a repository (InboxRepository) with a dependency of type
ISMLSMSD.
I would like to test that the repository behaves correctly when the
dependency throws an exception in one of the methods.
The InboxRepository has these two overloaded methods:
public void InsertInboxMessage(IInboxItem inboxItem)
{
// Simply call overloaded method
InsertInboxMessage(new List<IInboxItem>() { inboxItem });
}
public void InsertInboxMessage(List<IInboxItem> inboxItems)
{
try
{
_sMLSMSD.InsertIntoInbox(inboxItems);
}
catch (Exception exception)
{
throw new InboxRepositoryException("InsertInboxMessage
failed", exception);
}
}
The dependency has this method:
public int InsertIntoInbox(List<IInboxItem> inboxMessages)
So I would like to test that my repo wraps an Exception from
dependency in its own specialized InboxRepositoryException.
So I wrote this test:
[Test]
public void CanWrapExceptionInInsertListInboxMessageTest()
{
var stub = MockRepository.GenerateStub<ISMLSMSD>();
var implementation = new InboxRepository(stub);
stub.Stub(s => s.InsertIntoInbox(new List<IInboxItem>() { new
InboxMessage() })).Throw(new Exception("Error"));
Assert.Throws<InboxRepositoryException>(() =>
implementation.InsertInboxMessage(new List<IInboxItem>() { new
InboxMessage() }));
}
I would assume that the dependency would throw an Exception(“Error”)
and that the exception thrown from repo was the wrapped one.
However – that is not what happens. My test fails with this message:
Expected: <InboxRepositoryException>
But was: null
It seems to me that the Exception is never thrown in the generated
dependency proxy.
Can you help me here to what I’m missing?
Thanks,
:o)
Med venlig hilsen / Best regards
Jesper Lund Stocholm
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