merge, add changelog entry

CHANGELOG

@@ -1,6 +1,8 @@
-Changes between 2.4.2 and 2.4.3
+Unreleased
 -----------------------------------
 
+- allow nested parametrize-value markers, thanks James Lan for the PR.
+
 - fix unicode handling with new monkeypatch.setattr(import_path, value)
   API.  Thanks Rob Dennis.  Fixes issue371.
 
@@ -30,6 +32,7 @@ Changes between 2.4.2 and 2.4.3
   arg is an lambda and thus the example will work.  Thanks Alex Gaynor
   for bringing it up.
 
+
 Changes between 2.4.1 and 2.4.2
 -----------------------------------
 

_pytest/python.py

@@ -693,16 +693,17 @@ class Metafunc(FuncargnamesCompatAttr):
             to set a dynamic scope using test context or configuration.
         """
 
-        # individual parametrized argument sets can be wrapped in a
+        # individual parametrized argument sets can be wrapped in a series
-        # marker in which case we unwrap the values and apply the mark
+        # of markers in which case we unwrap the values and apply the mark
         # at Function init
         newkeywords = {}
         unwrapped_argvalues = []
         for i, argval in enumerate(argvalues):
-            if isinstance(argval, MarkDecorator):
+            while isinstance(argval, MarkDecorator):
                 newmark = MarkDecorator(argval.markname,
                                         argval.args[:-1], argval.kwargs)
-                newkeywords[i] = {newmark.markname: newmark}
+                newmarks = newkeywords.setdefault(i, {})
+                newmarks[newmark.markname] = newmark
                 argval = argval.args[-1]
             unwrapped_argvalues.append(argval)
         argvalues = unwrapped_argvalues

testing/python/collect.py

@@ -355,6 +355,21 @@ class TestFunction:
         rec = testdir.inline_run()
         rec.assertoutcome(passed=2)
 
+    def test_parametrize_with_mark(selfself, testdir):
+        items = testdir.getitems("""
+            import pytest
+            @pytest.mark.foo
+            @pytest.mark.parametrize('arg', [
+                1,
+                pytest.mark.bar(pytest.mark.baz(2))
+            ])
+            def test_function(arg):
+                pass
+        """)
+        keywords = [item.keywords for item in items]
+        assert 'foo' in keywords[0] and 'bar' not in keywords[0] and 'baz' not in keywords[0]
+        assert 'foo' in keywords[1] and 'bar' in keywords[1] and 'baz' in keywords[1]
+
     def test_function_equality_with_callspec(self, testdir, tmpdir):
         items = testdir.getitems("""
             import pytest