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[Qemu-devel] [PATCH v7 0/3] Bootstrap Python venv and acceptance/functio
From: |
Cleber Rosa |
Subject: |
[Qemu-devel] [PATCH v7 0/3] Bootstrap Python venv and acceptance/functional tests |
Date: |
Thu, 18 Oct 2018 11:31:31 -0400 |
TL;DR
=====
Allow acceptance tests to be run with `make check-acceptance`.
Details
=======
This introduces a Python virtual environment that will be setup within
the QEMU build directory, that will contain the exact environment that
tests may require.
There's one current caveat: it requires Python 3, as it's based on the
venv module. This was based on some discussions and perception about
standardizing on Python 3, but can easily be made to accommodate Python
2 as well.
Example of bootstrap and test execution on Travis-CI:
https://travis-ci.org/qemu/qemu/jobs/439331028#L2508
...
VENV /home/travis/build/qemu/qemu/tests/venv
MKDIR /home/travis/build/qemu/qemu/tests/results
PIP /home/travis/build/qemu/qemu/tests/venv-requirements.txt
AVOCADO tests/acceptance
JOB ID : 920e4fcf55a1782f1ae77bee64b20ccdc2e1111d
JOB LOG :
/home/travis/build/qemu/qemu/tests/results/job-2018-10-09T21.42-920e4fc/job.log
(1/6)
/home/travis/build/qemu/qemu/tests/acceptance/boot_linux_console.py:BootLinuxConsole.test:
PASS (3.57 s)
(2/6)
/home/travis/build/qemu/qemu/tests/acceptance/version.py:Version.test_qmp_human_info_version:
PASS (0.04 s)
(3/6)
/home/travis/build/qemu/qemu/tests/acceptance/vnc.py:Vnc.test_no_vnc: PASS
(0.04 s)
(4/6)
/home/travis/build/qemu/qemu/tests/acceptance/vnc.py:Vnc.test_no_vnc_change_password:
PASS (0.04 s)
(5/6)
/home/travis/build/qemu/qemu/tests/acceptance/vnc.py:Vnc.test_vnc_change_password_requires_a_password:
PASS (0.04 s)
(6/6)
/home/travis/build/qemu/qemu/tests/acceptance/vnc.py:Vnc.test_vnc_change_password:
PASS (0.04 s)
RESULTS : PASS 6 | ERROR 0 | FAIL 0 | SKIP 0 | WARN 0 | INTERRUPT 0 |
CANCEL 0
JOB TIME : 3.90 s
...
Changes from v6:
================
* Fixed the whitespace .vs. tab mistake in the $(error) action
printing the Python 3 requirements for venvs. (Wainer)
* Changed the Python version check approach so that shell output with
Python version is not generated any time. This requires GNU Make
>= 4.2, a ~2 year old release, which seems to a safe assumption,
but I couldn't find any hard information about mininum versions
required for building QEMU. (Wainer)
Changes from v5:
================
* Renamed tests/venv-requirements.txt to tests/requirements.txt
(Caio).
* Moved the Travis package dependencies (python3-pip and Python3.4-venv)
to the specific job block (Philippe / Alex).
Changes from v4:
================
* Added Python 3 version check and error message when running under
Python 2. (Philippe)
* Added notes about using Avocado from the virtual environment
without previous activation. (Philippe)
Ideas discussed, but not implemented:
* Instructions to activate/deactivate the venv: the idea is to be
use the venv as transparently as possible.
* Move/rename tests/venv-requirements: the ideal, as per the first
commit is to provide one venv for all Python based tests to run.
* Changed the Travis package requirements (python3-pip,
python3.4-venv) from the global setting to the job specific one:
waiting on further feedback from'Alex Bennée.
Changes from v3:
================
* Fixed typo in commit message (s/requiment/requirement/). (Eric)
Changes from v2:
================
* Make the $(TESTS_VENV_DIR) target depend on the
venv-requirements.txt file, and touch $(TESTS_VENV_DIR) after venv
runs. With this, updates on the file are reflected on the
venv. (Philippe)
* Run pip with "python -m pip". It may have been installed reusing
the system wide packages, and then the script may not be available
on the venv. (Philippe)
* Dropped Python version on Travis, and using the version supplied
by the distro (3.4). (Philippe)
* Added "python3.4-venv" package requirement on Travis. (Philippe)
* Added variable (AVOCADO_SHOW) with logging streams to be shown
while running the acceptance tests. By default it's set to none,
the equivalent of the quiet mode used on previous versions.
(Philippe)
* On Travis, set the AVOCADO_SHOW variable to "app", so that the
individual test results can be easily seen. (Philippe)
Ideas discussed, but not implemented:
* Run pip with "$(PYTHON) -m pip -q install ..." because it points
to the system wide Python installation. (Philippe)
* Drop the "--system-site-packages" flag. Waiting on another round
of tests to determine if they are really the cause of some package
installation problems.
Changes from v1:
================
* TESTS_VENV_REQ (the path of "venv-requirements.txt") now points to
the source path ($SRC_PATH instead of $BUILD_DIR)
* Create the venv with "--system-site-packages", which allows the
reuse of packages (and no additional downloads) in case there's a
package installed system wide providing the same package and
version.
* Run Avocado with "python -m avocado". It may have been installed
reusing the system wide packages, and then the script may not
be available on the venv.
* Improved documentation describing the Python 3, venv and pip
requirements.
* Updated avocado-framework requirement to latest released version
(65.0)
* (New commit) Added support for running the acceptance tests on
Travis.
Ideas discussed, but not implemented:
* Install external packages such as python3-pip on Debian based
systems, deemed too invasive on developer's systems.
* Allow the use of Python 2, and consequently the "virtualenv"
module.
Cleber Rosa (3):
Bootstrap Python venv for tests
Acceptance tests: add make rule for running them
Travis support for the acceptance tests
.travis.yml | 8 ++++++++
docs/devel/testing.rst | 43 +++++++++++++++++++++++++++++++++++++-----
tests/Makefile.include | 43 ++++++++++++++++++++++++++++++++++++++++++
tests/requirements.txt | 4 ++++
4 files changed, 93 insertions(+), 5 deletions(-)
create mode 100644 tests/requirements.txt
--
2.17.1
- [Qemu-devel] [PATCH v7 0/3] Bootstrap Python venv and acceptance/functional tests,
Cleber Rosa <=