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Subject[PATCH v3 00/11] Add Kconfig unit tests
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I am applying various cleanups to Kconfig these days.

However, I fear regressions. I have been thinking of unit-tests.

There are various cryptic parts in Kconfig and corner cases where
it is difficult to notice breakage. If unit-tests cover those,
I will be able to apply changes more confidently.

This series introduces a unit-tests. The framework is written based
on pytest. Also, this is written in Python 3. Python 2 will retire
in 2020. So, I believe new python tools should be written in Python 3.

This is my Python 3 and pytest versions.

$ python3 --version
Python 3.5.2
$ python3 -m pytest --version
This is pytest version 3.4.1, imported from /home/masahiro/.local/lib/python3.5/site-packages/pytest.py

How to use?
-----------

Please make sure Python3 and pytest are installed on your system.

Then, run "make testconfig"

The result looks like as follows:

$ make testconfig
python3 -B -m pytest ./scripts/kconfig/tests \
-o cache_dir=/home/masahiro/workspace/bsp/linux-yamada/scripts/kconfig/tests/.cache \

================================= test session starts =================================
platform linux -- Python 3.5.2, pytest-3.4.1, py-1.5.2, pluggy-0.6.0 -- /usr/bin/python3
cachedir: scripts/kconfig/tests/.cache
rootdir: /home/masahiro/workspace/bsp/linux-yamada/scripts/kconfig/tests, inifile: pytest.ini
collected 14 items

scripts/kconfig/tests/auto_submenu/__init__.py::test PASSED [ 7%]
scripts/kconfig/tests/choice/__init__.py::test_oldask0 PASSED [ 14%]
scripts/kconfig/tests/choice/__init__.py::test_oldask1 PASSED [ 21%]
scripts/kconfig/tests/choice/__init__.py::test_allyes PASSED [ 28%]
scripts/kconfig/tests/choice/__init__.py::test_allmod PASSED [ 35%]
scripts/kconfig/tests/choice/__init__.py::test_allno PASSED [ 42%]
scripts/kconfig/tests/choice/__init__.py::test_alldef PASSED [ 50%]
scripts/kconfig/tests/choice_value_with_m_dep/__init__.py::test PASSED [ 57%]
scripts/kconfig/tests/err_recursive_inc/__init__.py::test PASSED [ 64%]
scripts/kconfig/tests/inter_choice/__init__.py::test PASSED [ 71%]
scripts/kconfig/tests/new_choice_with_dep/__init__.py::test PASSED [ 78%]
scripts/kconfig/tests/no_write_if_dep_unmet/__init__.py::test PASSED [ 85%]
scripts/kconfig/tests/rand_nested_choice/__init__.py::test PASSED [ 92%]
scripts/kconfig/tests/warn_recursive_dep/__init__.py::test PASSED [100%]


Masahiro Yamada (11):
kbuild: add PYTHON2 and PYTHON3 variables
kconfig: tests: add framework for Kconfig unit testing
kconfig: tests: add basic choice tests
kconfig: tests: test automatic submenu creation
kconfig: tests: test if new symbols in choice are asked
kconfig: tests: check unneeded "is not set" with unmet dependency
kconfig: tests: check visibility of tristate choice values in y choice
kconfig: tests: test defconfig when two choices interact
kconfig: tests: test randconfig for choice in choice
kconfig: tests: test if recursive dependencies are detected
kconfig: tests: test if recursive inclusion is detected

Makefile | 4 +-
scripts/kconfig/Makefile | 8 +
scripts/kconfig/tests/auto_submenu/Kconfig | 50 ++++
scripts/kconfig/tests/auto_submenu/__init__.py | 12 +
scripts/kconfig/tests/auto_submenu/expected_stdout | 10 +
scripts/kconfig/tests/choice/Kconfig | 54 ++++
scripts/kconfig/tests/choice/__init__.py | 40 +++
.../kconfig/tests/choice/alldef_expected_config | 5 +
.../kconfig/tests/choice/allmod_expected_config | 9 +
scripts/kconfig/tests/choice/allno_expected_config | 5 +
.../kconfig/tests/choice/allyes_expected_config | 9 +
.../kconfig/tests/choice/oldask0_expected_stdout | 10 +
scripts/kconfig/tests/choice/oldask1_config | 2 +
.../kconfig/tests/choice/oldask1_expected_stdout | 15 ++
.../kconfig/tests/choice_value_with_m_dep/Kconfig | 19 ++
.../tests/choice_value_with_m_dep/__init__.py | 15 ++
.../kconfig/tests/choice_value_with_m_dep/config | 2 +
.../tests/choice_value_with_m_dep/expected_config | 3 +
.../tests/choice_value_with_m_dep/expected_stdout | 4 +
scripts/kconfig/tests/conftest.py | 291 +++++++++++++++++++++
scripts/kconfig/tests/err_recursive_inc/Kconfig | 1 +
scripts/kconfig/tests/err_recursive_inc/Kconfig2 | 1 +
scripts/kconfig/tests/err_recursive_inc/Kconfig3 | 1 +
.../kconfig/tests/err_recursive_inc/__init__.py | 10 +
.../tests/err_recursive_inc/expected_stderr | 5 +
scripts/kconfig/tests/inter_choice/Kconfig | 23 ++
scripts/kconfig/tests/inter_choice/__init__.py | 14 +
scripts/kconfig/tests/inter_choice/defconfig | 1 +
scripts/kconfig/tests/inter_choice/expected_config | 4 +
scripts/kconfig/tests/new_choice_with_dep/Kconfig | 37 +++
.../kconfig/tests/new_choice_with_dep/__init__.py | 14 +
scripts/kconfig/tests/new_choice_with_dep/config | 3 +
.../tests/new_choice_with_dep/expected_stdout | 10 +
.../kconfig/tests/no_write_if_dep_unmet/Kconfig | 14 +
.../tests/no_write_if_dep_unmet/__init__.py | 19 ++
scripts/kconfig/tests/no_write_if_dep_unmet/config | 1 +
.../tests/no_write_if_dep_unmet/expected_config | 5 +
scripts/kconfig/tests/pytest.ini | 7 +
scripts/kconfig/tests/rand_nested_choice/Kconfig | 33 +++
.../kconfig/tests/rand_nested_choice/__init__.py | 16 ++
.../tests/rand_nested_choice/expected_stdout0 | 2 +
.../tests/rand_nested_choice/expected_stdout1 | 4 +
.../tests/rand_nested_choice/expected_stdout2 | 5 +
scripts/kconfig/tests/warn_recursive_dep/Kconfig | 62 +++++
.../kconfig/tests/warn_recursive_dep/__init__.py | 9 +
.../tests/warn_recursive_dep/expected_stderr | 30 +++
46 files changed, 897 insertions(+), 1 deletion(-)
create mode 100644 scripts/kconfig/tests/auto_submenu/Kconfig
create mode 100644 scripts/kconfig/tests/auto_submenu/__init__.py
create mode 100644 scripts/kconfig/tests/auto_submenu/expected_stdout
create mode 100644 scripts/kconfig/tests/choice/Kconfig
create mode 100644 scripts/kconfig/tests/choice/__init__.py
create mode 100644 scripts/kconfig/tests/choice/alldef_expected_config
create mode 100644 scripts/kconfig/tests/choice/allmod_expected_config
create mode 100644 scripts/kconfig/tests/choice/allno_expected_config
create mode 100644 scripts/kconfig/tests/choice/allyes_expected_config
create mode 100644 scripts/kconfig/tests/choice/oldask0_expected_stdout
create mode 100644 scripts/kconfig/tests/choice/oldask1_config
create mode 100644 scripts/kconfig/tests/choice/oldask1_expected_stdout
create mode 100644 scripts/kconfig/tests/choice_value_with_m_dep/Kconfig
create mode 100644 scripts/kconfig/tests/choice_value_with_m_dep/__init__.py
create mode 100644 scripts/kconfig/tests/choice_value_with_m_dep/config
create mode 100644 scripts/kconfig/tests/choice_value_with_m_dep/expected_config
create mode 100644 scripts/kconfig/tests/choice_value_with_m_dep/expected_stdout
create mode 100644 scripts/kconfig/tests/conftest.py
create mode 100644 scripts/kconfig/tests/err_recursive_inc/Kconfig
create mode 100644 scripts/kconfig/tests/err_recursive_inc/Kconfig2
create mode 100644 scripts/kconfig/tests/err_recursive_inc/Kconfig3
create mode 100644 scripts/kconfig/tests/err_recursive_inc/__init__.py
create mode 100644 scripts/kconfig/tests/err_recursive_inc/expected_stderr
create mode 100644 scripts/kconfig/tests/inter_choice/Kconfig
create mode 100644 scripts/kconfig/tests/inter_choice/__init__.py
create mode 100644 scripts/kconfig/tests/inter_choice/defconfig
create mode 100644 scripts/kconfig/tests/inter_choice/expected_config
create mode 100644 scripts/kconfig/tests/new_choice_with_dep/Kconfig
create mode 100644 scripts/kconfig/tests/new_choice_with_dep/__init__.py
create mode 100644 scripts/kconfig/tests/new_choice_with_dep/config
create mode 100644 scripts/kconfig/tests/new_choice_with_dep/expected_stdout
create mode 100644 scripts/kconfig/tests/no_write_if_dep_unmet/Kconfig
create mode 100644 scripts/kconfig/tests/no_write_if_dep_unmet/__init__.py
create mode 100644 scripts/kconfig/tests/no_write_if_dep_unmet/config
create mode 100644 scripts/kconfig/tests/no_write_if_dep_unmet/expected_config
create mode 100644 scripts/kconfig/tests/pytest.ini
create mode 100644 scripts/kconfig/tests/rand_nested_choice/Kconfig
create mode 100644 scripts/kconfig/tests/rand_nested_choice/__init__.py
create mode 100644 scripts/kconfig/tests/rand_nested_choice/expected_stdout0
create mode 100644 scripts/kconfig/tests/rand_nested_choice/expected_stdout1
create mode 100644 scripts/kconfig/tests/rand_nested_choice/expected_stdout2
create mode 100644 scripts/kconfig/tests/warn_recursive_dep/Kconfig
create mode 100644 scripts/kconfig/tests/warn_recursive_dep/__init__.py
create mode 100644 scripts/kconfig/tests/warn_recursive_dep/expected_stderr

--
2.7.4

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