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Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them |
Date: |
Thu, 20 Sep 2018 23:18:46 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 |
On 9/20/18 10:14 PM, Eduardo Habkost wrote:
> On Thu, Sep 20, 2018 at 04:00:27PM -0400, Cleber Rosa wrote:
>> On 9/20/18 2:58 PM, Eduardo Habkost wrote:
>>> On Thu, Sep 20, 2018 at 11:19:56AM -0400, Cleber Rosa wrote:
>>>> The acceptance (aka functional, aka Avocado-based) tests are
>>>> Python files located in "tests/acceptance" that need to be run
>>>> with the Avocado libs and test runner.
>>>>
>>>> Let's provide a convenient way for QEMU developers to run them,
>>>> by making use of the tests-venv with the required setup.
>>>>
>>>> Also, while the Avocado test runner will take care of creating a
>>>> location to save test results to, it was understood that it's better
>>>> if the results are kept within the build tree.
>>>>
>>>> Signed-off-by: Cleber Rosa <address@hidden>
>>>> ---
>>>> docs/devel/testing.rst | 28 +++++++++++++++++++++++-----
>>>> tests/Makefile.include | 17 +++++++++++++++--
>>>> tests/venv-requirements.txt | 1 +
>>>> 3 files changed, 39 insertions(+), 7 deletions(-)
>>>>
>>>> diff --git a/docs/devel/testing.rst b/docs/devel/testing.rst
>>>> index 727c4019b5..0fbf0d0aac 100644
>>>> --- a/docs/devel/testing.rst
>>>> +++ b/docs/devel/testing.rst
>>>> @@ -545,10 +545,24 @@ Tests based on ``avocado_qemu.Test`` can easily:
>>>> -
>>>> http://avocado-framework.readthedocs.io/en/latest/api/test/avocado.html#avocado.Test
>>>> -
>>>> http://avocado-framework.readthedocs.io/en/latest/api/utils/avocado.utils.html
>>>>
>>>> -Installation
>>>> -------------
>>>> +Running tests
>>>> +-------------
>>>>
>>>> -To install Avocado and its dependencies, run:
>>>> +You can run the acceptance tests simply by executing:
>>>> +
>>>> +.. code::
>>>> +
>>>> + make check-acceptance
>>>> +
>>>> +This involves the automatic creation of Python virtual environment
>>>> +within the build tree (at ``tests/venv``) which will have all the
>>>> +right dependencies, and will save tests results also within the
>>>> +build tree (at ``tests/results``).
>>>> +
>>>> +Manual Installation
>>>> +-------------------
>>>> +
>>>> +To manually install Avocado and its dependencies, run:
>>>>
>>>> .. code::
>>>>
>>>> @@ -689,11 +703,15 @@ The exact QEMU binary to be used on QEMUMachine.
>>>> Uninstalling Avocado
>>>> --------------------
>>>>
>>>> -If you've followed the installation instructions above, you can easily
>>>> -uninstall Avocado. Start by listing the packages you have installed::
>>>> +If you've followed the manual installation instructions above, you can
>>>> +easily uninstall Avocado. Start by listing the packages you have
>>>> +installed::
>>>>
>>>> pip list --user
>>>>
>>>> And remove any package you want with::
>>>>
>>>> pip uninstall <package_name>
>>>> +
>>>> +If you've used ``make check-acceptance``, the Python virtual environment
>>>> where
>>>> +Avocado is installed will be cleaned up as part of ``make check-clean``.
>>>> diff --git a/tests/Makefile.include b/tests/Makefile.include
>>>> index 9bb90a83d4..8cef694954 100644
>>>> --- a/tests/Makefile.include
>>>> +++ b/tests/Makefile.include
>>>> @@ -11,6 +11,7 @@ check-help:
>>>> @echo " $(MAKE) check-qapi-schema Run QAPI schema tests"
>>>> @echo " $(MAKE) check-block Run block tests"
>>>> @echo " $(MAKE) check-tcg Run TCG tests"
>>>> + @echo " $(MAKE) check-acceptance Run all acceptance (functional)
>>>> tests"
>>>> @echo " $(MAKE) check-report.html Generates an HTML test report"
>>>> @echo " $(MAKE) check-venv Creates a Python venv for tests"
>>>> @echo " $(MAKE) check-clean Clean the tests"
>>>> @@ -1002,10 +1003,11 @@ check-decodetree:
>>>>
>>>> # Python venv for running tests
>>>>
>>>> -.PHONY: check-venv
>>>> +.PHONY: check-venv check-acceptance
>>>>
>>>> TESTS_VENV_DIR=$(BUILD_DIR)/tests/venv
>>>> TESTS_VENV_REQ=$(BUILD_DIR)/tests/venv-requirements.txt
>>>> +TESTS_RESULTS_DIR=$(BUILD_DIR)/tests/results
>>>>
>>>> $(TESTS_VENV_DIR):
>>>> $(call quiet-command, \
>>>> @@ -1015,8 +1017,19 @@ $(TESTS_VENV_DIR):
>>>> $(TESTS_VENV_DIR)/bin/pip -q install -r $(TESTS_VENV_REQ), \
>>>> PIP, $(TESTS_VENV_REQ))
>>>>
>>>> +$(TESTS_RESULTS_DIR):
>>>> + $(call quiet-command, mkdir -p $@, \
>>>> + MKDIR, $@)
>>>> +
>>>> check-venv: $(TESTS_VENV_DIR)
>>>>
>>>> +check-acceptance: check-venv $(TESTS_RESULTS_DIR)
>>>> + $(call quiet-command, \
>>>> + $(TESTS_VENV_DIR)/bin/avocado \
>>>> + --show=none run --job-results-dir=$(TESTS_RESULTS_DIR)
>>>> --failfast=on \
>>>> + $(SRC_PATH)/tests/acceptance, \
>>>> + "AVOCADO", "tests/acceptance")
>>>
>>> I think we should provide something easy to use for people who
>>> already have the right Avocado version installed in their system
>>> and want to avoid re-downloading Avocado every time.
>>>
>>
>> Right now, people using their own Avocado installation is actually the
>> documented way. The difference from the currently documented way is
>> that instead of doing `make check-acceptance`, people will run:
>>
>> $ avocado run tests/acceptance
>>
>> IMO, for these users, a `alias check-acceptance='avocado run
>> tests/acceptance'` brings almost the same value.
>>
>> About re-downloading: pip caches files by default, so while Avocado will
>> be installed every time a new venv is created, it should be downloaded
>> only once. And I should mention that, given the fact that one of the
>> packaged formats of Avocado is a "Python wheel", the installation is
>> basically a "tar xf" of sorts.
>
> Fair enough. Note that I'm just guessing what other developers
> would expect here. Maybe most people won't mind having "pip
> install" running implicitly when they run acceptance tests and
> this is a non-issue.
>
> I'm hoping we can get the attention of more people on this thread
> so we can get feedback from actual users. If we don't get any
> feedback about this, I won't mind if we include only the rule you
> suggested, and improve the system later.
I'm experiencing the 2 cases:
- As a QEMU developer working on a feature, you plan to add some Avocado
tests. You likely works with bleeding edge QEMU. If system packaged
Avocado is not updated enough for you, you'll use the venv+pip setup.
[This is my particular use.]
- As a QEMU maintainer you would run (upstream merged) Avocado tests to
avoid regressions. The system packages should be sufficient.
[This is how I'm using it on Travis-CI.]
>>> We already have plans to do this automatically/transparently in
>>> the future, but maybe while we don't have something automatic we
>>> could have two separate rules. e.g.:
>>>
>>> AVOCADO = avocado
>>>
>>> check-acceptance: $(TESTS_RESULTS_DIR)
>>> $(call quiet-command, \
>>> $(AVOCADO) \
>>> --show=none run --job-results-dir=$(TESTS_RESULTS_DIR)
>>> --failfast=on \
>>> $(SRC_PATH)/tests/acceptance, \
>>> "AVOCADO", "tests/acceptance")
>>>
>>> check-acceptance-venv: check-venv
>>> $(MAKE) check-acceptance AVOCADO=$(TESTS_VENV_DIR)/bin/avocado
>>>
>>>
>>
>> Yep, this could easily be done. But, to me, the beauty of `make
>> check-acceptance` not using a configurable venv, is that we can more
>> easily pin down the origin of failures. Notice how I went with
>> "avocado-framework==64.0", and how in another patch (the boot_linux
>> test), I mentioned adding "pycdlib==1.6.0".
>>
>> If `make check-acceptance` is not configurable, we have a lot of
>> questions that we don't have to ask with regards to the environment used
>> and the possible causes of failures.
>>
>> What do you think?
>
> Very good point. Just blindly trying to use the system-provided
> packages is likely to be a problem, so ignore my suggestion by
> now. If we want to use system-provided modules, we must validate
> them somehow before trying to run the tests.
>
> Maybe all of this will work out of the box if we just use
> system_site_packages=True? What would happen if
> system_site_packages=True and the system has a too old version of
> Avocado installed? How would 'pip' behave if the system already
> has all the right dependencies installed?
>
>
>
>>
>> - Cleber.
>>
>>>> +
>>>> # Consolidated targets
>>>>
>>>> .PHONY: check-qapi-schema check-qtest check-unit check check-clean
>>>> @@ -1030,7 +1043,7 @@ check-clean:
>>>> rm -rf $(check-unit-y) tests/*.o $(QEMU_IOTESTS_HELPERS-y)
>>>> rm -rf $(sort $(foreach target,$(SYSEMU_TARGET_LIST),
>>>> $(check-qtest-$(target)-y)) $(check-qtest-generic-y))
>>>> rm -f tests/test-qapi-gen-timestamp
>>>> - rm -rf $(TESTS_VENV_DIR)
>>>> + rm -rf $(TESTS_VENV_DIR) $(TESTS_RESULTS_DIR)
>>>>
>>>> clean: check-clean
>>>>
>>>> diff --git a/tests/venv-requirements.txt b/tests/venv-requirements.txt
>>>> index d39f9d1576..1734d0ce27 100644
>>>> --- a/tests/venv-requirements.txt
>>>> +++ b/tests/venv-requirements.txt
>>>> @@ -1,3 +1,4 @@
>>>> # Add Python module requirements, one per line, to be installed
>>>> # in the tests/venv Python virtual environment. For more info,
>>>> # refer to: https://pip.pypa.io/en/stable/user_guide/#id1
>>>> +avocado-framework==64.0
>>>> --
>>>> 2.17.1
>>>>
>>>
>>
>> --
>> Cleber Rosa
>> [ Sr Software Engineer - Virtualization Team - Red Hat ]
>> [ Avocado Test Framework - avocado-framework.github.io ]
>> [ 7ABB 96EB 8B46 B94D 5E0F E9BB 657E 8D33 A5F2 09F3 ]
>
- [Qemu-devel] [PATCH] Bootstrap Python venv and acceptance/functional tests, Cleber Rosa, 2018/09/20
- [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Cleber Rosa, 2018/09/20
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Eduardo Habkost, 2018/09/20
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Cleber Rosa, 2018/09/20
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Eduardo Habkost, 2018/09/20
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Cleber Rosa, 2018/09/20
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them,
Philippe Mathieu-Daudé <=
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Eduardo Habkost, 2018/09/20
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Philippe Mathieu-Daudé, 2018/09/20
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Cleber Rosa, 2018/09/21
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Cleber Rosa, 2018/09/21
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Markus Armbruster, 2018/09/21
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Eduardo Habkost, 2018/09/21
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Markus Armbruster, 2018/09/21
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Eduardo Habkost, 2018/09/21
- Re: [Qemu-devel] [PATCH 2/2] Acceptance tests: add make rule for running them, Cleber Rosa, 2018/09/21
[Qemu-devel] [PATCH 1/2] Bootstrap Python venv for tests, Cleber Rosa, 2018/09/20