[Haskell-cafe] how to write cabal package file for executable with unit tests?
roma at ro-che.info
Mon Feb 17 07:23:51 UTC 2014
Can you upload your code somewhere (e.g. github)? It would be much
easier for us to troubleshoot.
But please don't attach archives to mailing list messages.
* Richard Cobbe <cobbe at ccs.neu.edu> [2014-02-16 20:26:18-0500]
> On Mon, Feb 17, 2014 at 12:52:41AM +0200, Roman Cheplyaka wrote:
> > If you don't want a separate library, use the second Erik's suggestion
> > from that thread.
> I tried that, and I seem to still be missing something.
> Test-Suite sample-tests
> main-is: RunTests.hs
> hs-source-dirs: test-src, src
> other-modules: Ast, Parser, Scanner
> type: exitcode-stdio-1.0
> default-language: Haskell2010
> build-depends: base, array, containers, HUnit
> then "cabal configure --enable-tests && cabal build" results in the
> following error:
> Could not find module `Parser'
> It is a member of the hidden package `ghc-7.6.3'.
> Perhaps you need to add `ghc' to the build-depends in your .cabal file.
> Use -v to see a list of the files searched for.
> If I remove "src" from the hs-source-dirs line, then cabal complains that
> it can't find source for Ast.
> If I put "src" back and remove the other-modules line, I get the same
> "Could not find module 'Parser'" error message from above.
> * * * * *
> These seem to be pretty basic questions to me, but they also don't seem to
> be in the Cabal manual anywhere. Is there somewhere else I should be
> > * Richard Cobbe <cobbe at ccs.neu.edu> [2014-02-16 17:15:25-0500]
> > > What's the preferred way to write a cabal configuration file for a package
> > > that contains an executable and a test suite? The only thing I've found
> > > that seems to work is to put a thin wrapper Main.hs into the executable,
> > > put all of the actual code into the library, and then have the test-suite
> > > include the library in its build-depends list.
> > >
> > > This works, but I find it mildly annoying that I have to separate the code
> > > out in this fashion -- especially since the unit tests require me to expose
> > > modules in my library that aren't really part of the library's public
> > > interface.
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