selftests: Introduce minimal shared logic for running tests

This adds a Make include file which most selftests can then include to
get the run_tests logic.

On its own this has the advantage of some reduction in repetition, and
also means the pass/fail message is defined in fewer places.

However the key advantage is it will allow us to implement install very
simply in a subsequent patch.

The default implementation just executes each program in $(TEST_PROGS).

We use a variable to hold the default implementation of $(RUN_TESTS)
because that gives us a clean way to override it if necessary, ie. using
override. The mount, memory-hotplug and mqueue tests use that to provide
a different implementation.

Tests are not run via /bin/bash, so if they are scripts they must be
executable, we add a+x to several.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
index 077828c889f1..90e56090b0ed 100644
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -9,8 +9,9 @@ all: $(BINARIES)
 %: %.c
         $(CC) $(CFLAGS) -o $@ $^ -lrt
 
-run_tests: all
-        @/bin/sh ./run_vmtests || (echo "vmtests: [FAIL]"; exit 1)
+TEST_PROGS := run_vmtests
+
+include ../lib.mk
 
 clean:
         $(RM) $(BINARIES)