Allow tests declared as @staticmethod to use fixtures

Fix #2699

_pytest/compat.py

@@ -82,7 +82,10 @@ def num_mock_patch_args(function):
     return len(patchings)
 
 
-def getfuncargnames(function, startindex=None):
+def getfuncargnames(function, startindex=None, cls=None):
+    if startindex is None and cls is not None:
+        is_staticmethod = isinstance(cls.__dict__.get(function.__name__, None), staticmethod)
+        startindex = 0 if is_staticmethod else 1
     # XXX merge with main.py's varnames
     # assert not isclass(function)
     realfunction = function

_pytest/fixtures.py

@@ -957,11 +957,7 @@ class FixtureManager:
 
     def getfixtureinfo(self, node, func, cls, funcargs=True):
         if funcargs and not hasattr(node, "nofuncargs"):
-            if cls is not None:
+            argnames = getfuncargnames(func, cls=cls)
-                startindex = 1
-            else:
-                startindex = None
-            argnames = getfuncargnames(func, startindex)
         else:
             argnames = ()
         usefixtures = getattr(func, "usefixtures", None)

changelog/2699.bugfix

@@ -0,0 +1 @@
+Allow tests declared as ``@staticmethod`` to use fixtures.

testing/python/collect.py

@@ -147,11 +147,21 @@ class TestClass(object):
         ])
 
     def test_static_method(self, testdir):
+        """Support for collecting staticmethod tests (#2528, #2699)"""
         testdir.getmodulecol("""
+            import pytest
             class Test(object):
                 @staticmethod
                 def test_something():
                     pass
+
+                @pytest.fixture
+                def fix(self):
+                    return 1
+
+                @staticmethod
+                def test_fix(fix):
+                    assert fix == 1
         """)
         result = testdir.runpytest()
         if sys.version_info < (2, 7):
@@ -162,8 +172,8 @@ class TestClass(object):
             ])
         else:
             result.stdout.fnmatch_lines([
-                "*collected 1 item*",
+                "*collected 2 items*",
-                "*1 passed in*",
+                "*2 passed in*",
             ])
 
     def test_setup_teardown_class_as_classmethod(self, testdir):

testing/python/fixture.py

@@ -29,10 +29,16 @@ def test_getfuncargnames():
         def f(self, arg1, arg2="hello"):
             pass
 
+        @staticmethod
+        def static(arg1, arg2):
+            pass
+
     assert fixtures.getfuncargnames(A().f) == ('arg1',)
     if sys.version_info < (3, 0):
         assert fixtures.getfuncargnames(A.f) == ('arg1',)
 
+    assert fixtures.getfuncargnames(A.static, cls=A) == ('arg1', 'arg2')
+
 
 class TestFillFixtures(object):
     def test_fillfuncargs_exposed(self):