Add reference to empty_parameter_set_mark parametrize doc

Andreas Profous · Andreas Profous · commit 97ae6a0fdb75 · 2018-10-23T21:44:30.000+02:00
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 +114,9 @@ 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 ``empty_parameter_set_mark`` option.
+
 To get all combinations of multiple parametrized arguments you can stack
 ``parametrize`` decorators::
 

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	`1`	+Add reference to ``empty_parameter_set_mark`` ini option in documentation of ``@pytest.mark.parametrize``