[2964] distcheck fix: use a local copy of datasrc.spec for tests.

src/lib/python/isc/server_common/tests/Makefile.am

@@ -9,6 +9,14 @@ if SET_ENV_LIBRARY_PATH
 LIBRARY_PATH_PLACEHOLDER += $(ENV_LIBRARY_PATH)=$(abs_top_builddir)/src/lib/cryptolink/.libs:$(abs_top_builddir)/src/lib/dns/.libs:$(abs_top_builddir)/src/lib/dns/python/.libs:$(abs_top_builddir)/src/lib/cc/.libs:$(abs_top_builddir)/src/lib/config/.libs:$(abs_top_builddir)/src/lib/log/.libs:$(abs_top_builddir)/src/lib/util/.libs:$(abs_top_builddir)/src/lib/util/threads/.libs:$(abs_top_builddir)/src/lib/exceptions/.libs:$(abs_top_builddir)/src/lib/datasrc/.libs:$$$(ENV_LIBRARY_PATH)
 endif
 
+# We use our own "default" datasrc.spec, tweaking some installation path,
+# so we can run the tests with something very close to the actual spec and
+# yet independent from installation environment.
+BUILT_SOURCES = datasrc.spec
+datasrc.spec: $(abs_top_builddir)/src/bin/cfgmgr/plugins/datasrc.spec.pre
+	$(SED) -e "s|@@STATIC_ZONE_FILE@@|$(abs_top_builddir)/src/lib/datasrc/static.zone|;s|@@SQLITE3_DATABASE_FILE@@|$(abs_builddir)/zone.sqlite3|" $(abs_top_builddir)/src/bin/cfgmgr/plugins/datasrc.spec.pre >$@
+CLEANFILES = datasrc.spec zone.sqlite3
+
 # test using command-line arguments, so use check-local target instead of TESTS
 check-local:
 if ENABLE_PYTHON_COVERAGE

src/lib/python/isc/server_common/tests/datasrc_clients_mgr_test.py

@@ -20,8 +20,9 @@ import unittest
 import isc.config
 import os
 
+# A (slightly tweaked) local copy of the default data source spec
 DATASRC_SPECFILE = os.environ["B10_FROM_BUILD"] + \
-    "/src/bin/cfgmgr/plugins/datasrc.spec"
+    "/src/lib/python/isc/server_common/tests/datasrc.spec"
 DEFAULT_CONFIG = \
     isc.config.ConfigData(isc.config.module_spec_from_file(DATASRC_SPECFILE)).\
     get_full_config()