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selftests: lib.mk: add SKIP handling and test suite name to EMIT_TESTS

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EMIT_TESTS which is the common function that implements run_tests target,
treats all non-zero return codes from tests as failures. When tests are
skipped with non-zero return code, because of unmet dependencies and/or
unsupported configuration, it reports them as failed. This will lead to
too many false negatives even on the tests that couldn't be run.

EMIT_TESTS is changed to test for SKIP=4 return from tests to enable
the framework for individual tests to return special SKIP code.

Tests will be changed as needed to report SKIP instead FAIL/PASS when
they get skipped.

Currently just the test name is printed in the RUN_TESTS output. For
example, when raw_skew sub-test from timers tests in run, the output
shows just raw_skew. Include main test name when printing sub-test
results.

In addition, remove duplicate strings for printing common information with
a new for the test header information.

With this change run_kelftest.sh output for breakpoints test will be:

TAP version 13
Running tests in breakpoints
========================================
selftests: breakpoints: step_after_suspend_test
not ok 1..1 selftests: breakpoints: step_after_suspend_test [SKIP]
selftests: breakpoints: breakpoint_test
ok 1..2 selftests: breakpoints: breakpoint_test [PASS]

Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
This commit is contained in:
Shuah Khan (Samsung OSG) 2018-05-01 12:15:34 -06:00
parent cfe8460c87
commit 3df6131f9b
2 changed files with 8 additions and 3 deletions
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3
tools/testing/selftests/Makefile
View File

@ -135,7 +135,8 @@ ifdef INSTALL_PATH
echo "else" >> $(ALL_SCRIPT)
echo " OUTPUT=/dev/stdout" >> $(ALL_SCRIPT)
echo "fi" >> $(ALL_SCRIPT)
echo "export KSFT_TAP_LEVEL=`echo 1`" >> $(ALL_SCRIPT)
echo "export KSFT_TAP_LEVEL=1" >> $(ALL_SCRIPT)
echo "export skip=4" >> $(ALL_SCRIPT)
for TARGET in $(TARGETS); do \
BUILD_TARGET=$$BUILD/$$TARGET; \

8
tools/testing/selftests/lib.mk
View File

@ -94,9 +94,13 @@ else
endif
define EMIT_TESTS
@for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \
@test_num=`echo 0`; \
for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \
BASENAME_TEST=`basename $$TEST`; \
echo "(./$$BASENAME_TEST >> \$$OUTPUT 2>&1 && echo \"selftests: $$BASENAME_TEST [PASS]\") || echo \"selftests: $$BASENAME_TEST [FAIL]\""; \
test_num=`echo $$test_num+1 | bc`; \
TEST_HDR_MSG="selftests: "`basename $$PWD`:" $$BASENAME_TEST"; \
echo "echo $$TEST_HDR_MSG"; \
echo "(./$$BASENAME_TEST >> \$$OUTPUT 2>&1 && echo \"ok 1..$$test_num $$TEST_HDR_MSG [PASS]\") || (if [ \$$? -eq \$$skip ]; then echo \"not ok 1..$$test_num $$TEST_HDR_MSG [SKIP]\"; else echo \"not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]\"; fi;)"; \
done;
endef