Test* classes with an __init__ method are not collected anymore

--HG--
branch : 1.0.x

CHANGELOG

@@ -8,6 +8,8 @@ Changes between 1.0.0 and 1.0.1
 * fix issue #27: better reporting on non-collectable items given on commandline 
   (e.g. pyc files) 
 
+* "Test" prefixed classes with an __init__ method are *not* collected by default anymore
+
 * terser reporting of collection error tracebacks
 
 * renaming of arguments to some special rather internal hooks

py/test/plugin/test_pytest_runner_xunit.py

@@ -125,18 +125,12 @@ def test_func_generator_setup(testdir):
 def test_method_setup_uses_fresh_instances(testdir):
     reprec = testdir.inline_runsource("""
         class TestSelfState1: 
-            def __init__(self):
-                self.hello = 42
+            memory = []
             def test_hello(self):
-                self.world = 23
-            def test_afterhello(self):
-                assert not hasattr(self, 'world')
-                assert self.hello == 42
-        class TestSelfState2: 
-            def test_hello(self):
-                self.world = 10
-            def test_world(self):
-                assert not hasattr(self, 'world')
-    """)
-    reprec.assertoutcome(passed=4, failed=0)
+                self.memory.append(self)
+
+            def test_afterhello(self):
+                assert self != self.memory[0]
+    """)
+    reprec.assertoutcome(passed=2, failed=0)
 

py/test/pycollect.py

@@ -123,8 +123,7 @@ class PyCollectorMixin(PyobjMixin, py.test.collect.Collector):
             collector=self, name=name, obj=obj)
         if res is not None:
             return res
-        if (self.classnamefilter(name)) and \
-            py.std.inspect.isclass(obj):
+        if self._istestclasscandidate(name, obj):
             res = self._deprecated_join(name)
             if res is not None:
                 return res 
@@ -139,14 +138,25 @@ class PyCollectorMixin(PyobjMixin, py.test.collect.Collector):
             else:
                 return self._genfunctions(name, obj) 
 
+    def _istestclasscandidate(self, name, obj):
+        if self.classnamefilter(name) and \
+           py.std.inspect.isclass(obj):
+            if hasinit(obj):
+                # XXX WARN 
+                return False
+            return True
+            
+
     def _genfunctions(self, name, funcobj):
         module = self.getparent(Module).obj
         # due to _buildname2items funcobj is the raw function, we need
         # to work to get at the class 
         clscol = self.getparent(Class)
         cls = clscol and clscol.obj or None
-        metafunc = funcargs.Metafunc(funcobj, config=self.config, cls=cls, module=module)
-        gentesthook = self.config.hook.pytest_generate_tests.clone(extralookup=module)
+        metafunc = funcargs.Metafunc(funcobj, config=self.config, 
+            cls=cls, module=module)
+        gentesthook = self.config.hook.pytest_generate_tests.clone(
+                extralookup=module)
         gentesthook(metafunc=metafunc)
         if not metafunc._calls:
             return self.Function(name, parent=self)
@@ -371,3 +381,9 @@ class Function(FunctionMixin, py.test.collect.Item):
     def __ne__(self, other):
         return not self == other
 
+
+def hasinit(obj):
+    init = getattr(obj, '__init__', None)
+    if init:
+        if not isinstance(init, type(object.__init__)):
+            return True

py/test/testing/test_pycollect.py

@@ -39,6 +39,19 @@ class TestModule:
         modcol = testdir.getmodulecol("pytest_plugins='xasdlkj',")
         py.test.raises(ImportError, "modcol.obj")
 
+class TestClass:
+    def test_class_with_init_not_collected(self, testdir):
+        modcol = testdir.getmodulecol("""
+            class TestClass1:
+                def __init__(self):
+                    pass 
+            class TestClass2(object):
+                def __init__(self):
+                    pass 
+        """)
+        l = modcol.collect() 
+        assert len(l) == 0
+    
 class TestDisabled:
     def test_disabled_module(self, testdir):
         modcol = testdir.getmodulecol("""