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cctrial-1.2.7
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مشاهده بیشترتوضیحات
continous trial runner
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | cctrial-1.2.7 |
| نام | cctrial |
| نسخه کتابخانه | 1.2.7 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Pierre Tardy |
| ایمیل نویسنده | tardyp@gmail.com |
| آدرس صفحه اصلی | UNKNOWN |
| آدرس اینترنتی | https://pypi.org/project/cctrial/ |
| مجوز | MIT |
cctrial
=======
cctrial is a tool for using twisted trial in a continuous manner.
cctrial will re-run failed tests until all succeed.
cctrial is designed for a specific workflow, which helps doing big refactors that break lots of tests.
cctrial smart mode can run only the tests that import the modified file.
cctrial is not designed to replace trial, for all other usecases.
Installation
------------
Install cctrial in your virtualenv:
.. code-block:: bash
pip install cctrial
Linux specific setup
--------------------
As cctrial is making big use of inotify via the watchdog library, you may need to increase the quotas for inotify
.. code-block:: bash
sudo sysctl fs.inotify.max_user_watches=100000
sudo sh -c 'echo fs.inotify.max_user_watches=100000>>/etc/sysctl.conf'
Workflow description
--------------------
Run:
.. code-block:: bash
cctrial -j2 -f my.package
It will monitor all the directories where packages are installed with ``pip install -e`` or ``./setup.py develop``.
The re-runs will only happen after a file has been modified in one of the watched directories.
- Run the full unit test suite.
- Gather all the broken tests, if any.
- Re-run the test which failure appears the most.
In cctrial workflow, you always fix tests one by one, starting by the tests whose resolution will probably fix the most errors.
- When current test finally pass, will re-run all tests that originally failed.
- After all tests pass, will re-run the full test suite
Additional features
-------------------
- Custom reporter designed to concentrate information as much as possible in the terminal screen.
- During the run, always updating one line status, tells you the current test, number of failures, etc.
- After the run, summarized issues are printed
- Only during the fix test loop, logs for the current testcase are printed, as well as the failure details, and stdout/stderr of testcase.
- Desktop notification support.
This one requires ``terminal-notifier`` on OSX or ``notify-send`` on freedesktop capable systems (e.g linux, xBSD).
- Hook mode for running just the appropriate tests in a git post commit hook.
Screenshots
-----------
.. code-block:: text
% cctrial buildbot.test.regressions
Running 38 tests.
-------------------------------------------------------------------------------
Ran 38 tests in 1.400s
PASSED (successes=38)
buildbot.test.regressions.test_unpickling.StatusPickles.test_upgrade 38/ 38 0F 0E 0S 0T 0!
waiting for filesystem change...
After introducing a bug:
.. code-block:: text
Running 38 tests.
=============================================================================== 4 cases: [ERROR]
Traceback (most recent call last):
File "/Users/ptardy/dev/bb/buildbot-heroku/buildbot/master/buildbot/test/regressions/test_import_unicode_changes.py", line 31, in make_dbc
self.db = DBConnector(master, self.basedir)
exceptions.TypeError: __init__() takes exactly 2 arguments (3 given)
-------------------------------------------------------------------------------
Ran 38 tests in 0.272s
FAILED (errors=4, successes=34)
buildbot.test.regressions.test_unpickling.StatusPickles.test_upgrade 38/ 38 0F 4E 0S 0T 0!
re-run: testAsciiChange (buildbot.test.regressions.test_import_unicode_changes.TestUnicodeChanges)
Running 1 tests.
=============================================================================== 1 case: [ERROR]
Traceback (most recent call last):
File "/Users/ptardy/dev/bb/buildbot-heroku/buildbot/master/buildbot/test/regressions/test_import_unicode_changes.py", line 31, in make_dbc
self.db = DBConnector(master, self.basedir)
exceptions.TypeError: __init__() takes exactly 2 arguments (3 given)
-------------------------------------------------------------------------------
Ran 1 tests in 0.001s
FAILED (errors=1)
Logs: Log opened.
--> buildbot.test.regressions.test_import_unicode_changes.TestUnicodeChanges.testAsciiChange <--
cleaning database sqlite://
Main loop terminated.
please fix: testAsciiChange (buildbot.test.regressions.test_import_unicode_changes.TestUnicodeChanges)
waiting for filesystem change...
After fixing the bug:
.. code-block:: text
re-run: testAsciiChange (buildbot.test.regressions.test_import_unicode_changes.TestUnicodeChanges)
Running 1 tests.
-------------------------------------------------------------------------------
Ran 1 tests in 0.001s
PASSED (successes=1)
Running 4 tests.
-------------------------------------------------------------------------------
Ran 4 tests in 0.610s
PASSED (successes=4)
buildbot.test.regressions.test_import_unicode_changes 4/ 4 0F 0E 0S 0T 0!
Running 38 tests.
-------------------------------------------------------------------------------
Ran 38 tests in 1.400s
PASSED (successes=38)
buildbot.test.regressions.test_unpickling.StatusPickles.test_upgrade 38/ 38 0F 0E 0S 0T 0!
waiting for filesystem change...
Design Notes
------------
Problem with re-running tests is that you cannot reuse the same python environment.
Using builtin 'reload' is really something you want to avoid.
cctrial uses DistTrialRunner in order to implement the reload.
The workers leave in a separate python environment and are re-spawn between runs.
In order to optimize startup time:
- We prepare the workers while waiting for the filesystem change.
``import twisted.internet.reactor`` takes 600ms.
- We discover the tests only once
test discovery for buildbot takes 2160ms
Smart mode tries to be smart..
- Best option would be to run all tests in coverage mode, and see which file the tests exercices.
This would require a lot of overhead in the beginning.
- We choose simpler option: For all the test cases, we look at its module imports statements.
For all the module imported by the testcase, we decide that the testcase exercices the files defining those modules.
نحوه نصب
نصب پکیج whl cctrial-1.2.7:
pip install cctrial-1.2.7.whl
نصب پکیج tar.gz cctrial-1.2.7:
pip install cctrial-1.2.7.tar.gz