v1: https://groups.google.com/g/kunit-dev/c/f4LIMLyofj8
v2: make it more complex and attempt to be thread safe
s/FIXED_STUB/GLOBAL_STUB (David, Lucas)
make it little more thread safe (Rae, David)
wait until stub call finishes before test end (David)
wait until stub call finishes before changing stub (David)
allow stub deactivation (Rae)
prefer kunit log (David)
add simple selftest (Michal)
also introduce ONLY_IF_KUNIT macro (Michal)
v3: include example for DECLARE_IF_KUNIT (Lucas)
rename s/ONLY_IF_KUNIT/VALUE_IF_KUNIT (Michal)
and add simple usage example for it (Rae)
fix s/fixed/global in comments (Lucas)
improve stub sanitize flow (Lucas, Michal)
reformat kernel-doc for better output (Michal)
Test outputs:
$ tools/testing/kunit/kunit.py run *example*.*global* \
--kunitconfig lib/kunit/.kunitconfig --raw_output
KTAP version 1
1..1
# example: initializing suite
KTAP version 1
# Subtest: example
# module: kunit_example_test
1..1
# example_global_stub_test: initializing
# example_global_stub_test: add_two: redirecting to subtract_one
# example_global_stub_test: add_two: redirecting to subtract_one
# example_global_stub_test: cleaning up
ok 1 example_global_stub_test
# example: exiting suite
ok 1 example
$ tools/testing/kunit/kunit.py run *global*.*global* \
--kunitconfig lib/kunit/.kunitconfig --raw_output
KTAP version 1
1..1
KTAP version 1
# Subtest: kunit_global_stub
# module: kunit_test
1..4
# kunit_global_stub_test_activate: real_void_func: redirecting to
replacement_void_func
# kunit_global_stub_test_activate: real_func: redirecting to
replacement_func
# kunit_global_stub_test_activate: real_func: redirecting to
replacement_func
# kunit_global_stub_test_activate: real_func: redirecting to
other_replacement_func
# kunit_global_stub_test_activate: real_func: redirecting to
other_replacement_func
# kunit_global_stub_test_activate: real_func: redirecting to
super_replacement_func
# kunit_global_stub_test_activate: real_func: redirecting to
super_replacement_func
ok 1 kunit_global_stub_test_activate
ok 2 kunit_global_stub_test_deactivate
# kunit_global_stub_test_slow_deactivate: real_func: redirecting to
slow_replacement_func
# kunit_global_stub_test_slow_deactivate: real_func: redirecting to
slow_replacement_func
# kunit_global_stub_test_slow_deactivate: waiting for
slow_replacement_func
# kunit_global_stub_test_slow_deactivate.speed: slow
ok 3 kunit_global_stub_test_slow_deactivate
# kunit_global_stub_test_slow_replace: real_func: redirecting to
slow_replacement_func
# kunit_global_stub_test_slow_replace: real_func: redirecting to
slow_replacement_func
# kunit_global_stub_test_slow_replace: waiting for slow_replacement_func
# kunit_global_stub_test_slow_replace: real_func: redirecting to
other_replacement_func
# kunit_global_stub_test_slow_replace.speed: slow
ok 4 kunit_global_stub_test_slow_replace
# kunit_global_stub: pass:4 fail:0 skip:0 total:4
# Totals: pass:4 fail:0 skip:0 total:4
ok 1 kunit_global_stub
Cc: Rae Moar <[email protected]>
Cc: David Gow <[email protected]>
Cc: Lucas De Marchi <[email protected]>
Michal Wajdeczko (6):
kunit: Introduce kunit_is_running()
kunit: Add macro to conditionally expose declarations to tests
kunit: Add macro to conditionally expose expressions to tests
kunit: Allow function redirection outside of the KUnit thread
kunit: Add example with alternate function redirection method
kunit: Add some selftests for global stub redirection macros
include/kunit/static_stub.h | 158 ++++++++++++++++++++
include/kunit/test-bug.h | 12 +-
include/kunit/visibility.h | 40 ++++++
lib/kunit/kunit-example-test.c | 67 +++++++++
lib/kunit/kunit-test.c | 254 ++++++++++++++++++++++++++++++++-
lib/kunit/static_stub.c | 50 +++++++
6 files changed, 578 insertions(+), 3 deletions(-)
--
2.43.0
