Marks on cases are now also working with pytest 3.3. Fixed #23

Author: Sylvain MARIE

pytest_cases/main.py

@@ -514,10 +514,13 @@ def datasets_decorator(test_func):
 
 
 # Compatibility for the way we put marks on single parameters in the list passed to @pytest.mark.parametrize
+# see https://docs.pytest.org/en/3.3.0/skipping.html?highlight=mark%20parametrize#skip-xfail-with-parametrize
+
 try:
     _ = pytest.param
     def get_marked_parameter_for_case(c, marks):
-        return pytest.param(c, marks=marks, id=str(c))
+        marks_mod = transform_marks_into_decorators(marks)
+        return pytest.param(c, marks=marks_mod, id=str(c))
 except AttributeError:
     def get_marked_parameter_for_case(c, marks):
         if len(marks) > 1:
@@ -528,6 +531,20 @@ def get_marked_parameter_for_case(c, marks):
             return markinfodecorator(*markinfo.args)(c)
 
 
+def transform_marks_into_decorators(marks):
+    """
+    Transforms the provided marks (MarkInfo) into MarkDecorator
+    :param marks:
+    :return:
+    """
+    marks_mod = []
+    for m in marks:
+        md = pytest.mark.MarkDecorator()
+        md.mark = m
+        marks_mod.append(md)
+    return marks_mod
+
+
 def get_all_cases(cases=None,               # type: Union[Callable[[Any], Any], Iterable[Callable[[Any], Any]]]
                   module=None,              # type: Union[ModuleType, Iterable[ModuleType]]
                   this_module_object=None,  # type: Any

pytest_cases/tests/simple/test_pytest_marks.py

@@ -1,6 +1,7 @@
 import pytest
 
-from pytest_cases.main import get_pytest_marks_on_case_func, get_marked_parameter_for_case
+from pytest_cases.main import get_pytest_marks_on_case_func, get_marked_parameter_for_case, \
+    transform_marks_into_decorators
 
 
 @pytest.mark.skipif(True, reason="why")
@@ -15,7 +16,11 @@ def test_get_pytest_marks():
     """
     # extract the marks from a case function
     marks = get_pytest_marks_on_case_func(case_func)
+    # transform them into decorators
+    marks = transform_marks_into_decorators(marks)
+    # check that the mark is the same than a manually made one
     assert len(marks) == 1
+    assert str(marks[0]) == str(pytest.mark.skipif(True, reason="why"))
 
     # transform a parameter into a marked parameter
     dummy_case = (1, 2, 3)