Parallel execution of unittests

[Jacob Carlborg via Digitalmars-d]

On 2014-05-06 19:58, Dicebot wrote:

> These days I often find myself leaning towards writing mostly
> integration tests with only limited amount of unit tests. But writing
> good integration test is very different from writing good unit test and
> usually implies quite lot of boilerplate. Truth is D does not currently
> have any higher-level facility at all. It has an _awesome_ unit test
> facility which gets often misused for writing sloppy integration tests.
>
> I'd love to keep existing facility as-is and think about providing good
> library augmentation for any sort of higher level approach.
>
> Key property of D unit tests is how easy it is to add those inline to
> existing project, unconstrained simplicity. In perfect world those are
> closer to contracts than other types of tests. This provides good basic
> sanity check for all modules you recursively import when run via `rdmd
> -unittest`.
>
> Good integration test is very different. It has certain assumptions
> about initial system state and notifies user if those are not met. It
> can take ages to run and can test real-world situations. It is not
> supposed to be run implicitly and frequently. You don't want to keep
> your integration tests inline because of amount of boilerplate code
> those usually need.
>
> I see no good in trying to unite those very different beasts and my
> experience with existing test libraries has been very unpleasant in that
> regard.

I don't see why would be bad to use "unittest" for integration tests, 
except for the misguided name. It's perfectly to place "unittest" is 
completely different modules and packages. They don't need to be placed 
inline.

I see it as a code place to but code for testing. Then I don't have to 
come up with awkward names for regular functions. It's also a good 
palace since D doesn't allow to place statements and expression at 
module level. Sure there's module constructors but I don't think that's 
any better.

-- 
/Jacob Carlborg