Add testing page

with instructions on how to run the tests.

docs/source/conf.py

@@ -20,13 +20,13 @@
 # -- Project information -----------------------------------------------------
 from pkg_resources import get_distribution
 
-project = 'pEpPythonAdapter'
-copyright = '2020, Volker Birk, Matthias Heckmann, juga'
-author = 'Volker Birk, Matthias Heckmann, juga'
+project = "pEpPythonAdapter"
+copyright = "2020, Volker Birk, Matthias Heckmann, juga"
+author = "Volker Birk, Matthias Heckmann, juga"
 # The full version, including alpha/beta/rc tags
-release = get_distribution('pEp').version
+release = get_distribution("pEp").version
 # The short X.Y version
-version = '.'.join(release.split('.')[:2])
+version = ".".join(release.split(".")[:2])
 
 # -- General configuration ---------------------------------------------------
 
@@ -38,25 +38,25 @@ version = '.'.join(release.split('.')[:2])
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.doctest',
-    'sphinx.ext.intersphinx',
-    'sphinx.ext.todo',
-    'sphinx.ext.coverage',
-    'sphinx.ext.viewcode',
+    "sphinx.ext.autodoc",
+    "sphinx.ext.doctest",
+    "sphinx.ext.intersphinx",
+    "sphinx.ext.todo",
+    "sphinx.ext.coverage",
+    "sphinx.ext.viewcode",
 ]
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #
 # source_suffix = ['.rst', '.md']
-source_suffix = '.rst'
+source_suffix = ".rst"
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -79,7 +79,7 @@ pygments_style = None
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'alabaster'
+html_theme = "alabaster"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -90,7 +90,7 @@ html_theme = 'alabaster'
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+html_static_path = ["_static"]
 
 # Custom sidebar templates, must be a dictionary that maps document names
 # to template names.
@@ -106,7 +106,7 @@ html_static_path = ['_static']
 # -- Options for HTMLHelp output ---------------------------------------------
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'pEpPythonAdapterdoc'
+htmlhelp_basename = "pEpPythonAdapterdoc"
 
 
 # -- Options for LaTeX output ------------------------------------------------
@@ -115,15 +115,12 @@ latex_elements = {
     # The paper size ('letterpaper' or 'a4paper').
     #
     # 'papersize': 'letterpaper',
-
     # The font size ('10pt', '11pt' or '12pt').
     #
     # 'pointsize': '10pt',
-
     # Additional stuff for the LaTeX preamble.
     #
     # 'preamble': '',
-
     # Latex figure (float) alignment
     #
     # 'figure_align': 'htbp',
@@ -133,8 +130,13 @@ latex_elements = {
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'pEpPythonAdapter.tex', 'pEpPythonAdapter Documentation',
-     '2020, Volker Birk, Matthias Heckmann, juga', 'manual'),
+    (
+        master_doc,
+        "pEpPythonAdapter.tex",
+        "pEpPythonAdapter Documentation",
+        "2020, Volker Birk, Matthias Heckmann, juga",
+        "manual",
+    )
 ]
 
 
@@ -143,8 +145,13 @@ latex_documents = [
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    (master_doc, 'peppythonadapter', 'pEpPythonAdapter Documentation',
-     [author], 1)
+    (
+        master_doc,
+        "peppythonadapter",
+        "pEpPythonAdapter Documentation",
+        [author],
+        1,
+    )
 ]
 
 
@@ -154,9 +161,15 @@ man_pages = [
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'pEpPythonAdapter', 'pEpPythonAdapter Documentation',
-     author, 'pEpPythonAdapter', 'One line description of project.',
-     'Miscellaneous'),
+    (
+        master_doc,
+        "pEpPythonAdapter",
+        "pEpPythonAdapter Documentation",
+        author,
+        "pEpPythonAdapter",
+        "One line description of project.",
+        "Miscellaneous",
+    )
 ]
 
 
@@ -175,7 +188,7 @@ epub_title = project
 # epub_uid = ''
 
 # A list of files that should not be packed into the epub file.
-epub_exclude_files = ['search.html']
+epub_exclude_files = ["search.html"]
 
 
 # -- Extension configuration -------------------------------------------------
@@ -183,7 +196,7 @@ epub_exclude_files = ['search.html']
 # -- Options for intersphinx extension ---------------------------------------
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/': None}
+intersphinx_mapping = {"https://docs.python.org/": None}
 
 # -- Options for todo extension ----------------------------------------------
 

docs/source/index.rst

@@ -11,6 +11,7 @@ Welcome to pEpPythonAdapter's documentation!
    :caption: Contents:
 
    install
+   testing
    software_using
    api/pEp
 

docs/source/testing.rst

@@ -0,0 +1,15 @@
+Testing
+=======
+
+See :ref:`install` to install the dependencies.
+
+See `test/README.md` to run the tests in `test`.
+
+To run the tests that use `pytest`, install the testing dependencies running
+``pip install .[test]``.
+
+In Debian, you can install the testing dependencies in the system running ``apt
+install tox``.
+
+Run the tests with the command `tox`. You can run individual tests by running
+``tox -e <testname>``, eg. ``tox -e py37`` or ``tox -e unit``.