Merge pull request pytest-dev#4220 from anpr/doc_raise_on_empty_parameterset

nicoddemus · web-flow · commit 8bced7415c3b · 2018-10-23T19:10:44.000-03:00
Add `empty_parameter_set_mark` ini option documentation to the parametrize doc
diff --git a/changelog/3851.doc.rst b/changelog/3851.doc.rst
@@ -0,0 +1 @@
+Add reference to ``empty_parameter_set_mark`` ini option in documentation of ``@pytest.mark.parametrize``
diff --git a/doc/en/parametrize.rst b/doc/en/parametrize.rst
@@ -114,6 +114,10 @@ Let's run this::
 The one parameter set which caused a failure previously now
 shows up as an "xfailed (expected to fail)" test.
 
+In case the values provided to ``parametrize`` result in an empty list - for
+example, if they're dynamically generated by some function - the behaviour of
+pytest is defined by the :confval:`empty_parameter_set_mark` option.
+
 To get all combinations of multiple parametrized arguments you can stack
 ``parametrize`` decorators::
 

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Add reference to ``empty_parameter_set_mark`` ini option in documentation of ``@pytest.mark.parametrize``