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authorRamiro Morales <cramm0@gmail.com>2019-04-19 16:15:38 -0300
committerMariusz Felisiak <felisiak.mariusz@gmail.com>2019-04-23 09:32:55 +0200
commit25b5eea8cdc69a353bb2d22ea2012b09df6c62e4 (patch)
tree62b693740cca07d6536a784d0fce1c030e0b406f /docs/internals/contributing/writing-code
parent405c8363362063542e9e79beac53c8437d389520 (diff)
downloaddjango-25b5eea8cdc69a353bb2d22ea2012b09df6c62e4.tar.gz
Fixed #30387 -- Enhanced docs CLI examples in Unit tests and Install Django on Windows.
Follow up to 37c17846ad6b02c6dca72e8087a279cca04a0c27.
Diffstat (limited to 'docs/internals/contributing/writing-code')
-rw-r--r--docs/internals/contributing/writing-code/unit-tests.txt98
1 files changed, 70 insertions, 28 deletions
diff --git a/docs/internals/contributing/writing-code/unit-tests.txt b/docs/internals/contributing/writing-code/unit-tests.txt
index e0369b5800..4cedb1ccf3 100644
--- a/docs/internals/contributing/writing-code/unit-tests.txt
+++ b/docs/internals/contributing/writing-code/unit-tests.txt
@@ -2,8 +2,6 @@
Unit tests
==========
-.. highlight:: console
-
Django comes with a test suite of its own, in the ``tests`` directory of the
code base. It's our policy to make sure all tests pass at all times.
@@ -26,7 +24,9 @@ First, `fork Django on GitHub <https://github.com/django/django/fork>`__.
Second, create and activate a virtual environment. If you're not familiar with
how to do that, read our :doc:`contributing tutorial </intro/contributing>`.
-Next, clone your fork, install some requirements, and run the tests::
+Next, clone your fork, install some requirements, and run the tests:
+
+.. console::
$ git clone git@github.com:YourGitHubName/django.git django-repo
$ cd django-repo/tests
@@ -50,11 +50,6 @@ settings module that uses the SQLite database. See
:ref:`running-unit-tests-settings` to learn how to use a different settings
module to run the tests with a different database.
-.. admonition:: Windows users
-
- We recommend something like `Git Bash <https://msysgit.github.io/>`_ to run
- the tests using the above approach.
-
Having problems? See :ref:`troubleshooting-unit-tests` for some common issues.
Running tests using ``tox``
@@ -66,7 +61,9 @@ checks that our build server performs on pull requests. To run the unit tests
and other checks (such as :ref:`import sorting <coding-style-imports>`, the
:ref:`documentation spelling checker <documentation-spelling-check>`, and
:ref:`code formatting <coding-style-python>`), install and run the ``tox``
-command from any place in the Django source tree::
+command from any place in the Django source tree:
+
+.. console::
$ python -m pip install tox
$ tox
@@ -75,7 +72,9 @@ By default, ``tox`` runs the test suite with the bundled test settings file for
SQLite, ``flake8``, ``isort``, and the documentation spelling checker. In
addition to the system dependencies noted elsewhere in this documentation,
the command ``python3`` must be on your path and linked to the appropriate
-version of Python. A list of default environments can be seen as follows::
+version of Python. A list of default environments can be seen as follows:
+
+.. console::
$ tox -l
py3
@@ -91,7 +90,9 @@ for other versions of Python and other database backends. Since Django's test
suite doesn't bundle a settings file for database backends other than SQLite,
however, you must :ref:`create and provide your own test settings
<running-unit-tests-settings>`. For example, to run the tests on Python 3.7
-using PostgreSQL::
+using PostgreSQL:
+
+.. console::
$ tox -e py37-postgres -- --settings=my_postgres_settings
@@ -105,10 +106,19 @@ The remainder of this documentation shows commands for running tests without
``tox`` by prefixing the argument list with ``--``, as above.
Tox also respects the ``DJANGO_SETTINGS_MODULE`` environment variable, if set.
-For example, the following is equivalent to the command above::
+For example, the following is equivalent to the command above:
+
+.. code-block:: console
$ DJANGO_SETTINGS_MODULE=my_postgres_settings tox -e py35-postgres
+Windows users should use:
+
+.. code-block:: doscon
+
+ ...\> set DJANGO_SETTINGS_MODULE=my_postgres_settings
+ ...\> tox -e py35-postgres
+
Running the JavaScript tests
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -116,7 +126,9 @@ Django includes a set of :ref:`JavaScript unit tests <javascript-tests>` for
functions in certain contrib apps. The JavaScript tests aren't run by default
using ``tox`` because they require `Node.js` to be installed and aren't
necessary for the majority of patches. To run the JavaScript tests using
-``tox``::
+``tox``:
+
+.. console::
$ tox -e javascript
@@ -178,7 +190,9 @@ tests by appending the names of the test modules to ``runtests.py`` on the
command line.
For example, if you'd like to run tests only for generic relations and
-internationalization, type::
+internationalization, type:
+
+.. console::
$ ./runtests.py --settings=path.to.settings generic_relations i18n
@@ -187,11 +201,15 @@ directory name there is the name of a test.
If you just want to run a particular class of tests, you can specify a list of
paths to individual test classes. For example, to run the ``TranslationTests``
-of the ``i18n`` module, type::
+of the ``i18n`` module, type:
+
+.. console::
$ ./runtests.py --settings=path.to.settings i18n.tests.TranslationTests
-Going beyond that, you can specify an individual test method like this::
+Going beyond that, you can specify an individual test method like this:
+
+.. console::
$ ./runtests.py --settings=path.to.settings i18n.tests.TranslationTests.test_lazy_objects
@@ -201,7 +219,9 @@ Running the Selenium tests
Some tests require Selenium and a Web browser. To run these tests, you must
install the selenium_ package and run the tests with the
``--selenium=<BROWSERS>`` option. For example, if you have Firefox and Google
-Chrome installed::
+Chrome installed:
+
+.. console::
$ ./runtests.py --selenium=firefox,chrome
@@ -238,7 +258,9 @@ dependencies:
You can find these dependencies in `pip requirements files`_ inside the
``tests/requirements`` directory of the Django source tree and install them
-like so::
+like so:
+
+.. console::
$ python -m pip install -r tests/requirements/py3.txt
@@ -288,11 +310,15 @@ that need additional tests. The coverage tool installation and use is described
in :ref:`testing code coverage<topics-testing-code-coverage>`.
Coverage should be run in a single process to obtain accurate statistics. To
-run coverage on the Django test suite using the standard test settings::
+run coverage on the Django test suite using the standard test settings:
+
+.. console::
$ coverage run ./runtests.py --settings=test_sqlite --parallel=1
-After running coverage, generate the html report by running::
+After running coverage, generate the html report by running:
+
+.. console::
$ coverage html
@@ -321,12 +347,16 @@ Many test failures with ``UnicodeEncodeError``
If the ``locales`` package is not installed, some tests will fail with a
``UnicodeEncodeError``.
-You can resolve this on Debian-based systems, for example, by running::
+You can resolve this on Debian-based systems, for example, by running:
+
+.. code-block:: console
$ apt-get install locales
$ dpkg-reconfigure locales
-You can resolve this for macOS systems by configuring your shell's locale::
+You can resolve this for macOS systems by configuring your shell's locale:
+
+.. code-block:: console
$ export LANG="en_US.UTF-8"
$ export LC_ALL="en_US.UTF-8"
@@ -347,7 +377,9 @@ it possible to identify a small number of tests that may be related to the
failure.
For example, suppose that the failing test that works on its own is
-``ModelTest.test_eq``, then using::
+``ModelTest.test_eq``, then using:
+
+.. console::
$ ./runtests.py --bisect basic.tests.ModelTest.test_eq
@@ -361,7 +393,9 @@ failing tests is minimized.
The ``--pair`` option runs the given test alongside every other test from the
suite, letting you check if another test has side-effects that cause the
-failure. So::
+failure. So:
+
+.. console::
$ ./runtests.py --pair basic.tests.ModelTest.test_eq
@@ -370,13 +404,17 @@ will pair ``test_eq`` with every test label.
With both ``--bisect`` and ``--pair``, if you already suspect which cases
might be responsible for the failure, you may limit tests to be cross-analyzed
by :ref:`specifying further test labels <runtests-specifying-labels>` after
-the first one::
+the first one:
+
+.. console::
$ ./runtests.py --pair basic.tests.ModelTest.test_eq queries transactions
You can also try running any set of tests in reverse using the ``--reverse``
option in order to verify that executing tests in a different order does not
-cause any trouble::
+cause any trouble:
+
+.. console::
$ ./runtests.py basic --reverse
@@ -385,7 +423,9 @@ Seeing the SQL queries run during a test
If you wish to examine the SQL being run in failing tests, you can turn on
:ref:`SQL logging <django-db-logger>` using the ``--debug-sql`` option. If you
-combine this with ``--verbosity=2``, all SQL queries will be output::
+combine this with ``--verbosity=2``, all SQL queries will be output:
+
+.. console::
$ ./runtests.py basic --debug-sql
@@ -394,7 +434,9 @@ Seeing the full traceback of a test failure
By default tests are run in parallel with one process per core. When the tests
are run in parallel, however, you'll only see a truncated traceback for any
-test failures. You can adjust this behavior with the ``--parallel`` option::
+test failures. You can adjust this behavior with the ``--parallel`` option:
+
+.. console::
$ ./runtests.py basic --parallel=1