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On 09/23/2013 09:19 AM, Andrzej Hunt wrote:
I'm trying to get HSQLDB unit tests to run in a CppunitTest -- whilst
still in solver I added some paths locally to solver's unorc (which
worked fine, but not a great solution) -- now that we're running unit
tests in instdir I'd like some sort of permanent solution. (The reason I
want to use a CppUnitTest is that ideally we want to run exactly the
same tests on Firebird and HSQLDB, and since that also allows for
performance comparisons.)

HSQLDB's classpath is hardcoded in HDriver.cxx as:
vnd.sun.star.expand:$BRAND_BASE_DIR/" LIBO_SHARE_JAVA_FOLDER
"/hsqldb.jar"
As a first step I'd like to make this:
vnd.sun.star.expand:$LO_JAVA_DIR/hsqldb.jar

Either of these work when running LO normally, the latter is cleaner and
seems much more correct. (Patch is in gerrit, but outdated commit
comment now that we're in instdir --
https://gerrit.libreoffice.org/#/c/5953/ ).

The patch is just fine in itself anyway, so I pushed it now.

However neither of these work for unit tests: BRAND_BASE_DIR and
LO_JAVA_DIR are both set in fundamentalrc, which doesn't seem to be used
when running unit tests. It also looks like when running unit tests only
the ure/lib/unorc is used -- I'm not entirely sure how to procede here
-- using LO_JAVA_DIR within HSQLDB setting
LO_JAVA_DIR=${ORIGIN}/../../program/classes
works, but is that the desired way of doing things (adjusted by using
scp2 I guess to work on all systems)?

There are two things that tie all the bootstrap variables together:

The first is the uno{.ini,rc} file next to the cppuhelper dynamic library, automatically read by the default, no-argument cppu::defaultBootstrap_InitialComponentContext (cppuhelper/source/defaultbootstrap.cxx) to bootstrap URE in any application process. It sets those bootstrap variables necessary for URE itself (and independent of any specific application like LO's soffice). Historically, there are two instances of the cppuhelper dynamic library, and consequently two instances of accompanying uno{.ini,rc} (with different content): one in solver for the tools run during the build---which in the past used to include cppunittester that runs the CppunitTests---and one in instdir and installation sets---which is now used also by cppunittester, which might be a change not thought-through enough yet (see below).

The other is the URE_BOOTSTRAP bootstrap variable, normally set via tools::extendApplicationEnvironment (tools/source/misc/extendapplicationenvironment.cxx; called from application start-up code like soffice_main, desktop/source/app/sofficemain.cxx, and unopkg_main, desktop/source/pkgchk/unopkg/unopkg_app.cxx) to point to the fundamental{.ini,rc} next to the application's executable. The program/fundamental{.ini,rc} in turn contains most bootstrap variables you'll ever encounter (incl. LO_JAVA_DIR; for mostly historic reasons, it offloads some variables to an additional uno{.ini,rc} next to itself that can content-wise be considered an ini-file on of the above URE uno ini-file).

The ideal with the recent move to instdir would of course be to run CppunitTests against instdir (as the---premature?---move of cppunittester to instdir manifests). However, one caveat I already mentioned elsewhere "that comes to mind with running tests against instdir instead of solver is that the [old] setup makes sure that any JRE used by the tests is the one configured --with-jdk-home (by making use of jvmfwk's 'direct mode'), not one found via the jvmfwk search mechanisms. Another caveat is that should any of those tests 'accidentally' make use of bootstrap{rc,.ini}s UserInstallation, we should override that to make sure those tests do not interfere with the user's configuration."

Yet another caveat is that those CppunitTests can run against varyingly "filled" instdirs, and thus behave subtly differently should they ever start to pick up the various bootstrap variables defined across instdir (which reference stuff in instdir that might or might not yet be there).

Therefore, it is a good thing that solenv/gbuild/CppunitTest.mk still defines the relevant bootstrap variables manually. So, all that might be necessary for you now is

diff --git a/solenv/gbuild/CppunitTest.mk b/solenv/gbuild/CppunitTest.mk
index 1f9390f..154841f 100644
--- a/solenv/gbuild/CppunitTest.mk
+++ b/solenv/gbuild/CppunitTest.mk
@@ -61,6 +61,7 @@ $(if $(URE),\
        "-env:UNO_SERVICES=$(foreach item,$(UNO_SERVICES),$(call gb_Helper_make_url,$(item)))") \
        -env:URE_INTERNAL_LIB_DIR=$(call gb_Helper_make_url,$(INSTROOT)/$(LIBO_URE_LIB_FOLDER)) \
        -env:LO_LIB_DIR=$(call gb_Helper_make_url,$(INSTROOT)/$(gb_PROGRAMDIRNAME)) \
+       -env:LO_JAVA_DIR=$(call gb_Helper_make_url,$(INSTROOT)/$(LIBO_SHARE_JAVA_FOLDER)) \
        --protector $(call gb_Library_get_target,unoexceptionprotector) unoexceptionprotector \
        --protector $(call gb_Library_get_target,unobootstrapprotector) unobootstrapprotector \
  ) $(ARGS)

---let me know if that patch would make your test work.

Stephan

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