mirror of https://github.com/django/django.git
Fixed #30387 -- Enhanced docs CLI examples in Unit tests and Install Django on Windows.
Follow up to 37c17846ad.
This commit is contained in:
Ramiro Morales
Mariusz Felisiak
parent
405c836336
commit
25b5eea8cd
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@ -2,6 +2,8 @@
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How to install Django on Windows
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================================
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.. highlight:: doscon
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This document will guide you through installing Python 3.7 and Django on
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Windows. It also provides instructions for installing `virtualenv`_ and
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`virtualenvwrapper`_, which make it easier to work on Python projects. This is
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@ -21,13 +23,18 @@ machine. At the time of writing, Python 3.7 is the latest version.
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To install Python on your machine go to https://python.org/downloads/. The
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website should offer you a download button for the latest Python version.
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Download the executable installer and run it. Check the box next to ``Add
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Python 3.7 to PATH`` and then click ``Install Now``.
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Download the executable installer and run it. Check the boxes next to ``Install
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launcher for all users (recommended)`` and ``Add Python 3.7 to PATH`` then
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click ``Install Now``.
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After installation, open the command prompt and check that the Python version
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matches the version you installed by executing::
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python --version
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...\> py --version
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.. seealso::
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For more details, see :doc:`python:using/windows` documentation.
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About ``pip``
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=============
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@ -42,6 +49,8 @@ get-pip.py`` instructions.
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.. _pip: https://pypi.org/project/pip/
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.. _virtualenvwrapper-win:
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Install ``virtualenv`` and ``virtualenvwrapper``
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================================================
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@ -50,17 +59,17 @@ each Django project you create. While not mandatory, this is considered a best
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practice and will save you time in the future when you're ready to deploy your
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project. Simply type::
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python -m pip install virtualenvwrapper-win
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...\> py -m pip install virtualenvwrapper-win
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Then create a virtual environment for your project::
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mkvirtualenv myproject
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...\> mkvirtualenv myproject
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The virtual environment will be activated automatically and you'll see
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"(myproject)" next to the command prompt to designate that. If you start a new
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command prompt, you'll need to activate the environment again using::
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workon myproject
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...\> workon myproject
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.. _virtualenv: https://pypi.org/project/virtualenv/
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.. _virtualenvwrapper: https://pypi.org/project/virtualenvwrapper-win/
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@ -73,7 +82,7 @@ Django can be installed easily using ``pip`` within your virtual environment.
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In the command prompt, ensure your virtual environment is active, and execute
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the following command::
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python -m pip install django
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...\> py -m pip install Django
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This will download and install the latest Django release.
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@ -92,9 +101,9 @@ Common pitfalls
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running Python scripts in ``PATH``. This usually occurs when there is more
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than one Python version installed.
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* If you are connecting to the internet behind a proxy, there might be problem
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in running the command ``python -m pip install django``. Set the environment
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* If you are connecting to the internet behind a proxy, there might be problems
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in running the command ``py -m pip install Django``. Set the environment
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variables for proxy configuration in the command prompt as follows::
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set http_proxy=http://username:password@proxyserver:proxyport
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set https_proxy=https://username:password@proxyserver:proxyport
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...\> set http_proxy=http://username:password@proxyserver:proxyport
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...\> set https_proxy=https://username:password@proxyserver:proxyport
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@ -2,8 +2,6 @@
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Unit tests
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==========
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.. highlight:: console
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Django comes with a test suite of its own, in the ``tests`` directory of the
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code base. It's our policy to make sure all tests pass at all times.
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@ -26,7 +24,9 @@ First, `fork Django on GitHub <https://github.com/django/django/fork>`__.
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Second, create and activate a virtual environment. If you're not familiar with
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how to do that, read our :doc:`contributing tutorial </intro/contributing>`.
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Next, clone your fork, install some requirements, and run the tests::
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Next, clone your fork, install some requirements, and run the tests:
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.. console::
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$ git clone git@github.com:YourGitHubName/django.git django-repo
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$ cd django-repo/tests
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@ -50,11 +50,6 @@ settings module that uses the SQLite database. See
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:ref:`running-unit-tests-settings` to learn how to use a different settings
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module to run the tests with a different database.
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.. admonition:: Windows users
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We recommend something like `Git Bash <https://msysgit.github.io/>`_ to run
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the tests using the above approach.
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Having problems? See :ref:`troubleshooting-unit-tests` for some common issues.
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Running tests using ``tox``
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@ -66,7 +61,9 @@ checks that our build server performs on pull requests. To run the unit tests
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and other checks (such as :ref:`import sorting <coding-style-imports>`, the
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:ref:`documentation spelling checker <documentation-spelling-check>`, and
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:ref:`code formatting <coding-style-python>`), install and run the ``tox``
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command from any place in the Django source tree::
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command from any place in the Django source tree:
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.. console::
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$ python -m pip install tox
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$ tox
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@ -75,7 +72,9 @@ By default, ``tox`` runs the test suite with the bundled test settings file for
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SQLite, ``flake8``, ``isort``, and the documentation spelling checker. In
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addition to the system dependencies noted elsewhere in this documentation,
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the command ``python3`` must be on your path and linked to the appropriate
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version of Python. A list of default environments can be seen as follows::
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version of Python. A list of default environments can be seen as follows:
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.. console::
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$ tox -l
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py3
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@ -91,7 +90,9 @@ for other versions of Python and other database backends. Since Django's test
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suite doesn't bundle a settings file for database backends other than SQLite,
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however, you must :ref:`create and provide your own test settings
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<running-unit-tests-settings>`. For example, to run the tests on Python 3.7
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using PostgreSQL::
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using PostgreSQL:
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.. console::
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$ tox -e py37-postgres -- --settings=my_postgres_settings
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@ -105,10 +106,19 @@ The remainder of this documentation shows commands for running tests without
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``tox`` by prefixing the argument list with ``--``, as above.
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Tox also respects the ``DJANGO_SETTINGS_MODULE`` environment variable, if set.
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For example, the following is equivalent to the command above::
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For example, the following is equivalent to the command above:
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.. code-block:: console
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$ DJANGO_SETTINGS_MODULE=my_postgres_settings tox -e py35-postgres
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Windows users should use:
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.. code-block:: doscon
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...\> set DJANGO_SETTINGS_MODULE=my_postgres_settings
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...\> tox -e py35-postgres
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Running the JavaScript tests
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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@ -116,7 +126,9 @@ Django includes a set of :ref:`JavaScript unit tests <javascript-tests>` for
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functions in certain contrib apps. The JavaScript tests aren't run by default
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using ``tox`` because they require `Node.js` to be installed and aren't
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necessary for the majority of patches. To run the JavaScript tests using
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``tox``::
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``tox``:
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.. console::
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$ tox -e javascript
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@ -178,7 +190,9 @@ tests by appending the names of the test modules to ``runtests.py`` on the
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command line.
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For example, if you'd like to run tests only for generic relations and
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internationalization, type::
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internationalization, type:
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.. console::
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$ ./runtests.py --settings=path.to.settings generic_relations i18n
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@ -187,11 +201,15 @@ directory name there is the name of a test.
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If you just want to run a particular class of tests, you can specify a list of
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paths to individual test classes. For example, to run the ``TranslationTests``
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of the ``i18n`` module, type::
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of the ``i18n`` module, type:
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.. console::
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$ ./runtests.py --settings=path.to.settings i18n.tests.TranslationTests
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Going beyond that, you can specify an individual test method like this::
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Going beyond that, you can specify an individual test method like this:
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.. console::
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$ ./runtests.py --settings=path.to.settings i18n.tests.TranslationTests.test_lazy_objects
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@ -201,7 +219,9 @@ Running the Selenium tests
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Some tests require Selenium and a Web browser. To run these tests, you must
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install the selenium_ package and run the tests with the
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``--selenium=<BROWSERS>`` option. For example, if you have Firefox and Google
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Chrome installed::
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Chrome installed:
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.. console::
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$ ./runtests.py --selenium=firefox,chrome
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@ -238,7 +258,9 @@ dependencies:
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You can find these dependencies in `pip requirements files`_ inside the
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``tests/requirements`` directory of the Django source tree and install them
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like so::
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like so:
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.. console::
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$ python -m pip install -r tests/requirements/py3.txt
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@ -288,11 +310,15 @@ that need additional tests. The coverage tool installation and use is described
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in :ref:`testing code coverage<topics-testing-code-coverage>`.
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Coverage should be run in a single process to obtain accurate statistics. To
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run coverage on the Django test suite using the standard test settings::
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run coverage on the Django test suite using the standard test settings:
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.. console::
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$ coverage run ./runtests.py --settings=test_sqlite --parallel=1
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After running coverage, generate the html report by running::
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After running coverage, generate the html report by running:
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.. console::
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$ coverage html
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@ -321,12 +347,16 @@ Many test failures with ``UnicodeEncodeError``
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If the ``locales`` package is not installed, some tests will fail with a
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``UnicodeEncodeError``.
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You can resolve this on Debian-based systems, for example, by running::
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You can resolve this on Debian-based systems, for example, by running:
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.. code-block:: console
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$ apt-get install locales
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$ dpkg-reconfigure locales
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You can resolve this for macOS systems by configuring your shell's locale::
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You can resolve this for macOS systems by configuring your shell's locale:
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.. code-block:: console
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$ export LANG="en_US.UTF-8"
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$ export LC_ALL="en_US.UTF-8"
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@ -347,7 +377,9 @@ it possible to identify a small number of tests that may be related to the
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failure.
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For example, suppose that the failing test that works on its own is
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``ModelTest.test_eq``, then using::
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``ModelTest.test_eq``, then using:
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.. console::
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$ ./runtests.py --bisect basic.tests.ModelTest.test_eq
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@ -361,7 +393,9 @@ failing tests is minimized.
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The ``--pair`` option runs the given test alongside every other test from the
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suite, letting you check if another test has side-effects that cause the
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failure. So::
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failure. So:
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.. console::
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$ ./runtests.py --pair basic.tests.ModelTest.test_eq
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@ -370,13 +404,17 @@ will pair ``test_eq`` with every test label.
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With both ``--bisect`` and ``--pair``, if you already suspect which cases
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might be responsible for the failure, you may limit tests to be cross-analyzed
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by :ref:`specifying further test labels <runtests-specifying-labels>` after
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the first one::
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the first one:
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.. console::
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$ ./runtests.py --pair basic.tests.ModelTest.test_eq queries transactions
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You can also try running any set of tests in reverse using the ``--reverse``
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option in order to verify that executing tests in a different order does not
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cause any trouble::
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cause any trouble:
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.. console::
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$ ./runtests.py basic --reverse
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@ -385,7 +423,9 @@ Seeing the SQL queries run during a test
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If you wish to examine the SQL being run in failing tests, you can turn on
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:ref:`SQL logging <django-db-logger>` using the ``--debug-sql`` option. If you
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combine this with ``--verbosity=2``, all SQL queries will be output::
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combine this with ``--verbosity=2``, all SQL queries will be output:
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.. console::
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$ ./runtests.py basic --debug-sql
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@ -394,7 +434,9 @@ Seeing the full traceback of a test failure
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By default tests are run in parallel with one process per core. When the tests
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are run in parallel, however, you'll only see a truncated traceback for any
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test failures. You can adjust this behavior with the ``--parallel`` option::
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test failures. You can adjust this behavior with the ``--parallel`` option:
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.. console::
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$ ./runtests.py basic --parallel=1
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@ -150,6 +150,10 @@ If the ``source`` command is not available, you can try using a dot instead:
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$ . ~/.virtualenvs/djangodev/bin/activate
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You have to activate the virtual environment whenever you open a new
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terminal window. virtualenvwrapper__ is a useful tool for making this
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more convenient.
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.. admonition:: For Windows users
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To activate your virtual environment on Windows, run:
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@ -158,9 +162,12 @@ If the ``source`` command is not available, you can try using a dot instead:
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...\> %HOMEPATH%\.virtualenvs\djangodev\Scripts\activate.bat
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You have to activate the virtual environment whenever you open a new
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terminal window. virtualenvwrapper__ is a useful tool for making this
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more convenient.
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or you can install :ref:`a Windows version of virtualenvwrapper
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<virtualenvwrapper-win>` and then use:
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.. code-block:: doscon
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...\> workon djangodev
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__ https://virtualenvwrapper.readthedocs.io/en/latest/
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