Re: Updates to NUnit 2.5

Hi Cliff,

> Any reason the signature of the method could be changed.  
> Something like the following:
> 
> > >     public interface ITestCaseProvider
> > >     {
> > >         bool Exists(MethodInfo method);
> > >         IEnumerable Get(MethodInfo method);
> > >     }
>
> The same would be true for IParameterProvider also.  IMO, it 
> seems redundant to include the type in the method name.

There's no type in the method name, but I see what you mean...
TestCase appears in the name of the interface and the name
of the each method. That's redundant in the declaration, although
not necessarily in using the interface.

When I write
	provider.GetTestCasesFor(someMethod)
it makes sense to me. But
	provider.Get(someMethod)
gives me pause - what am I getting.

In the end, this may just be a matter of style. I'm open to
more suggestions, but I think the verbs need objects to
make sense here.

There's no longer a IParameterProvider, ITestCaseProvider
replaces it.

Charlie

> 
> Thanks
> 
> cliff
>  
> 
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[email protected]] On Behalf Of 
> > Charlie Poole
> > Sent: Tuesday, June 24, 2008 5:00 PM
> > To: [email protected]
> > Subject: Re: [nunit-developer] Updates to NUnit 2.5
> > 
> > More updates for those following CVS - note that the 
> attached emails 
> > cover all the important changes since the Alpha 2 release, 
> and will be 
> > reflected in the next Alpha in a few weeks.
> > 
> > There is a major change to the Test hierarchy: TestCase 
> doesn't exist 
> > any longer. TestMethod inherits directly from Test now and 
> represents 
> > a Test implemented by a method. There could be some further 
> changes in 
> > this branch as well as for TestSuite, TestFixture, etc.
> > 
> > All this is part of the move to parameterized tests, which 
> blurs the 
> > distinction between a suite and a case. I'm currently using "test 
> > case" to refer to a single execution of a test with one set of 
> > parameters, producing one result and the class names will begin to 
> > reflect that.
> > 
> > NUnitTestCaseBuilder is now split in two, with the original builder 
> > handling "regular" tests and ParameterizedTestCaseBuilder handling 
> > parameterized tests. A new DynamicTestBuilder, which recognizes 
> > DynamicTestAttribute and creates DynamicTests is
> > 
> > Charlie
> > 
> > > -----Original Message-----
> > > From: [email protected]
> > > [mailto:[email protected]] On 
> Behalf Of 
> > > Charlie Poole
> > > Sent: Sunday, June 22, 2008 9:29 AM
> > > To: [email protected]
> > > Subject: Re: [nunit-developer] Updates to NUnit 2.5
> > > 
> > > More updates checked into CVS. All of this will be
> > documented for the
> > > release, but some of you may want an early heads-up,
> > especially if you
> > > are working on addins.
> > > 
> > > EXTENSIBILITY
> > > 
> > > The ParameterProviders extension point has been renamed to 
> > > TestCaseProviders. The interface that extensions must
> > implement is now
> > > ITestCaseProvider. Here's the definition:
> > > 
> > >     public interface ITestCaseProvider
> > >     {
> > >         bool HasTestCasesFor(MethodInfo method);
> > >         IEnumerable GetTestCasesFor(MethodInfo method);
> > >     }
> > > 
> > > This is essentially the same as the IParameterProvider 
> interface in 
> > > the first two alphas.
> > > 
> > > BUILT-IN PARAMETERIZED TESTS
> > > 
> > > NUnit currently has two built-in providers:
> > > TestCaseParameterProvider for TestCaseAttribute and 
> > > TestCaseFactoryProvider for FactoryAttribute.
> > > 
> > > TestCaseParameterProvider will perform a number of conversions in 
> > > order to make the provided argument compatible with method call.
> > > 
> > > TestCaseFactoryProvider can work with properties, methods
> > and fields
> > > that implement IEnumerable. For static cases, use of an
> > array is the
> > > simplest approach. Either static or instance members may be
> > used. For
> > > methods takin a single ValueType argument, the enumerator
> > may return
> > > the bare argument rather than an array with one member.
> > > 
> > > All of the above work at load time. For dynamic test cases,
> > provided
> > > at the instance of executin the test and possibly varying
> > from run to
> > > run, I plan to add DynamicTest and DynamicTestCaseProvider.
> > > 
> > > OTHER STUFF
> > > 
> > > The RequiredAddinAttribute may be placed on the assembly,
> > on a class
> > > or on a method. If the named addin is not loaded, the test
> > or suite is
> > > NotRunnable and shows up as red in the Gui.
> > > 
> > > Charlie
> > > 
> > > > -----Original Message-----
> > > > From: [email protected]
> > > > [mailto:[email protected]] On
> > Behalf Of
> > > > Charlie Poole
> > > > Sent: Monday, June 16, 2008 12:14 PM
> > > > To: [email protected]
> > > > Subject: [nunit-developer] Updates to NUnit 2.5
> > > > 
> > > > Hi All,
> > > > 
> > > > Now that I'm back home, I can properly upload a number of
> > changes I
> > > > made on my laptop while travelling.
> > > > 
> > > > So far, I have made the following changes:
> > > > 
> > > > 1. The release is now 2.5 Alpha 3.
> > > > 
> > > > 2. I have changed DataSourceAttribute to FactoryAttribute
> > > and it may
> > > > now appear on a property, field or method. Any of these may
> > > be either
> > > > static or instance members.
> > > > 
> > > > 3. IParameterProvider.GetParametersFor(MethodInfo method)
> > > now returns
> > > > IEnumerable rather than IList.
> > > > 
> > > > 4. The Test abstract class now has default implementations
> > > for several
> > > > properties that were previously abstract. One of the
> > > > Run() overloads has been removed.
> > > > 
> > > > I'll post further as more changes are made.
> > > > 
> > > > Charlie
> > > > 
> > > > 
> > > > 
> > > > 
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