allow staticmethods to be detected as test functions

Allow a class method decorated `@staticmethod` to be collected as a test
function (if it meets the usual criteria).

Author: waisbrot

AUTHORS

@@ -118,6 +118,7 @@ Michael Droettboom
 Michael Seifert
 Michal Wajszczuk
 Mike Lundy
+Nathaniel Waisbrot
 Ned Batchelder
 Neven Mundar
 Nicolas Delaby

_pytest/python.py

@@ -271,6 +271,8 @@ def classnamefilter(self, name):
         return self._matches_prefix_or_glob_option('python_classes', name)
 
     def istestfunction(self, obj, name):
+        if isinstance(obj, staticmethod):
+            obj = obj.__func__
         return (
             (self.funcnamefilter(name) or self.isnosetest(obj)) and
             safe_getattr(obj, "__call__", False) and fixtures.getfixturemarker(obj) is None

changelog/2528.feature

@@ -0,0 +1 @@
+Allow class methods decorated as ``@staticmethod`` to be candidates for collection as a test function.

testing/python/collect.py

@@ -143,6 +143,18 @@ class test(object):
             "*collected 0*",
         ])
 
+    def test_static_method(self, testdir):
+        testdir.getmodulecol("""
+            class Test(object):
+                @staticmethod
+                def test_something():
+                    pass
+        """)
+        result = testdir.runpytest()
+        result.stdout.fnmatch_lines([
+            "*collected 1*",
+        ])
+
     def test_setup_teardown_class_as_classmethod(self, testdir):
         testdir.makepyfile(test_mod1="""
             class TestClassMethod(object):