py.test-1.2.0: junitxml, standalone test scripts, pluginization

Discussion in 'Python' started by holger krekel, Jan 18, 2010.

  1. Hi all,

    i just released some bits related to automated testing with Python:

    py-1.2.0: py.test core which grew junitxml, standalone-script generation
    pytest-xdist-1.0: separately installable dist-testing & looponfailing plugin
    pytest-figleaf-1.0: separately installable figleaf-coverage testing plugin

    See below or at this URL for the announcement:

    http://pylib.org/announce/release-1.2.0.html

    If you didn't experience much speed-up or previously had problems with
    distributed testing i recommend you try to install "pytest-xdist" now and see
    if it works better. For me it speeds up some tests runs by 500% on a 4 CPU
    machine due to its better internal model and several fixes. (It's five
    times because several tests depend on IO and don't block CPU meanwhile).

    Another tip: if you use "pip" (best with a virtualenv) you can do e.g.:

    pip install pytest-xdist
    pip uninstall pytest-xdist

    to conveniently activate/deactivate plugins for py.test. easy_install
    works ok as well but has no uninstall, yet remains the only option
    for installing with Python3 at the moment, though. You need to use
    the fine 'distribute' project's easy_install for the latter.

    cheers & have fun,
    holger


    py.test/pylib 1.2.0: junitxml, standalone test scripts, pluginization
    --------------------------------------------------------------------------------

    py.test is an advanced automated testing tool working with
    Python2, Python3 and Jython versions on all major operating
    systems. It has a simple plugin architecture and can run many
    existing common Python test suites without modification. It offers
    some unique features not found in other testing tools.
    See http://pytest.org for more info.

    py.test 1.2.0 brings many bug fixes and interesting new abilities:

    * --junitxml=path will create an XML file for use with CI processing
    * --genscript=path creates a standalone py.test-equivalent test-script
    * --ignore=path prevents collection of anything below that path
    * --confcutdir=path only lookup conftest.py test configs below that path
    * a 'pytest_report_header' hook to add info to the terminal report header
    * a 'pytestconfig' function argument gives direct access to option values
    * 'pytest_generate_tests' can now be put into a class as well
    * on CPython py.test additionally installs as "py.test-VERSION", on
    Jython as py.test-jython and on PyPy as py.test-pypy-XYZ

    Apart from many bug fixes 1.2.0 also has better pluginization:
    Distributed testing and looponfailing testing now live in the
    separately installable 'pytest-xdist' plugin. The same is true for
    'pytest-figleaf' for doing coverage reporting. Those two plugins
    can serve well now as blue prints for doing your own.

    thanks to all who helped and gave feedback,
    have fun,

    holger krekel, January 2010

    Changes between 1.2.0 and 1.1.1
    =====================================

    - moved dist/looponfailing from py.test core into a new
    separately released pytest-xdist plugin.

    - new junitxml plugin: --junitxml=path will generate a junit style xml file
    which is processable e.g. by the Hudson CI system.

    - new option: --genscript=path will generate a standalone py.test script
    which will not need any libraries installed. thanks to Ralf Schmitt.

    - new option: --ignore will prevent specified path from collection.
    Can be specified multiple times.

    - new option: --confcutdir=dir will make py.test only consider conftest
    files that are relative to the specified dir.

    - new funcarg: "pytestconfig" is the pytest config object for access
    to command line args and can now be easily used in a test.

    - install 'py.test' and `py.which` with a ``-$VERSION`` suffix to
    disambiguate between Python3, python2.X, Jython and PyPy installed versions.

    - new "pytestconfig" funcarg allows access to test config object

    - new "pytest_report_header" hook can return additional lines
    to be displayed at the header of a test run.

    - (experimental) allow "py.test path::name1::name2::..." for pointing
    to a test within a test collection directly. This might eventually
    evolve as a full substitute to "-k" specifications.

    - streamlined plugin loading: order is now as documented in
    customize.html: setuptools, ENV, commandline, conftest.
    also setuptools entry point names are turned to canonical namees ("pytest_*")

    - automatically skip tests that need 'capfd' but have no os.dup

    - allow pytest_generate_tests to be defined in classes as well

    - deprecate usage of 'disabled' attribute in favour of pytestmark
    - deprecate definition of Directory, Module, Class and Function nodes
    in conftest.py files. Use pytest collect hooks instead.

    - collection/item node specific runtest/collect hooks are only called exactly
    on matching conftest.py files, i.e. ones which are exactly below
    the filesystem path of an item

    - change: the first pytest_collect_directory hook to return something
    will now prevent further hooks to be called.

    - change: figleaf plugin now requires --figleaf to run. Also
    change its long command line options to be a bit shorter (see py.test -h).

    - change: pytest doctest plugin is now enabled by default and has a
    new option --doctest-glob to set a pattern for file matches.

    - change: remove internal py._* helper vars, only keep py._pydir

    - robustify capturing to survive if custom pytest_runtest_setup
    code failed and prevented the capturing setup code from running.

    - make py.test.* helpers provided by default plugins visible early -
    works transparently both for pydoc and for interactive sessions
    which will regularly see e.g. py.test.mark and py.test.importorskip.

    - simplify internal plugin manager machinery
    - simplify internal collection tree by introducing a RootCollector node

    - fix assert reinterpreation that sees a call containing "keyword=..."

    - fix issue66: invoke pytest_sessionstart and pytest_sessionfinish
    hooks on slaves during dist-testing, report module/session teardown
    hooks correctly.

    - fix issue65: properly handle dist-testing if no
    execnet/py lib installed remotely.

    - skip some install-tests if no execnet is available

    - fix docs, fix internal bin/ script generation

    --

    ----- End forwarded message -----

    --
     
    holger krekel, Jan 18, 2010
    #1
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