pytest_make_parametrize_id receive config object

_pytest/hookspec.py

@@ -157,7 +157,7 @@ def pytest_generate_tests(metafunc):
     """ generate (multiple) parametrized calls to a test function."""
 
 @hookspec(firstresult=True)
-def pytest_make_parametrize_id(val):
+def pytest_make_parametrize_id(config, val):
     """Return a user-friendly string representation of the given ``val`` that will be used
     by @pytest.mark.parametrize calls. Return None if the hook doesn't know about ``val``.
     """

_pytest/python.py

@@ -342,7 +342,7 @@ def pytest_pycollect_makeitem(collector, name, obj):
                 res = list(collector._genfunctions(name, obj))
             outcome.force_result(res)
 
-def pytest_make_parametrize_id(val):
+def pytest_make_parametrize_id(config, val):
     return None
 
 def is_generator(func):
@@ -1143,7 +1143,7 @@ def _idval(val, argname, idx, idfn, config=None):
             pass
 
     if config:
-        hook_id = config.hook.pytest_make_parametrize_id(val=val)
+        hook_id = config.hook.pytest_make_parametrize_id(config=config, val=val)
         if hook_id:
             return hook_id
 

testing/python/metafunc.py

@@ -1159,7 +1159,7 @@ class TestMarkersWithParametrization:
 
     def test_pytest_make_parametrize_id(self, testdir):
         testdir.makeconftest("""
-            def pytest_make_parametrize_id(val):
+            def pytest_make_parametrize_id(config, val):
                 return str(val * 2)
         """)
         testdir.makepyfile("""