Re: [RFC PATCH] Makefile: new prove target for running the tests with TAP

[Junio C Hamano <gitster@pobox.com>]

Jeff King <peff@peff.net> writes:

> On Thu, Oct 14, 2010 at 10:53:36AM +0200, Michael J Gruber wrote:
>
>> +prove: pre-clean
>> +	@echo "*** prove ***"; GIT_CONFIG=.git/config $(PROVE) --exec '$(SHELL_PATH_SQ)' $(GIT_PROVE_OPTS) $(T) :: $(GIT_TEST_OPTS)
>> +	$(MAKE) clean
>> +
>
> I like the idea. I think the prove output is a little nicer for things
> like -j16, but it's a pain to construct the command line (especially as
> I use --root in GIT_TEST_OPTS to get a significant speedup).
>
> I wonder if anybody is really interested in switching between the
> "prove" and regular test targets, though. I would think you either like
> to use prove or not. So perhaps it makes more sense to put a
> configurable switch for the default target, like the patch below. Then
> you can just "make test" (or "make" in the test directory) as usual.

I kind of like this.  Perhaps with something like this squashed in?

-- >8 --
test: allow "prove" to be used as the main test harness

The prove output is a little easier to read for things like -j16.

---
 t/README |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/t/README b/t/README
index a1eb7c8..c548bf1 100644
--- a/t/README
+++ b/t/README
@@ -50,6 +50,12 @@ prove and other harnesses come with a lot of useful options. The
     # Repeat until no more failures
     $ prove -j 15 --state=failed,save ./t[0-9]*.sh
 
+You can give DEFAULT_TEST_TARGET=prove on the make command (or define it
+in config.mak) to cause "make test" to run tests under prove.
+GIT_PROVE_OPTS can be used to pass additional options, e.g.
+
+    $ make DEFAULT_TEST_TARGET=prove GIT_PROVE_OPTS='--timer --jobs 16' test
+
 You can also run each test individually from command line, like this:
 
     $ sh ./t3010-ls-files-killed-modified.sh