fix issue151 - heuristcally lookup conftest files on all command line arguments, not just the first existing dir/file

you can install the corresponding pytest-2.3.dev2 via
pip install -i http:/pypi.testrun.org -U pytest

_pytest/__init__.py

@@ -1,2 +1,2 @@
 #
-__version__ = '2.3.0.dev1'
+__version__ = '2.3.0.dev2'

_pytest/config.py

@@ -151,20 +151,24 @@ class Conftest(object):
                     p = current.join(opt1[len(opt)+1:], abs=1)
                 self._confcutdir = p
                 break
-        for arg in args + [current]:
+        foundanchor = False
+        for arg in args:
             if hasattr(arg, 'startswith') and arg.startswith("--"):
                 continue
             anchor = current.join(arg, abs=1)
             if anchor.check(): # we found some file object
-                self._path2confmods[None] = self.getconftestmodules(anchor)
-                # let's also consider test* dirs
-                if anchor.check(dir=1):
-                    for x in anchor.listdir("test*"):
-                        if x.check(dir=1):
-                            self.getconftestmodules(x)
-                break
-        else:
-            assert 0, "no root of filesystem?"
+                self._try_load_conftest(anchor)
+                foundanchor = True
+        if not foundanchor:
+            self._try_load_conftest(current)
+
+    def _try_load_conftest(self, anchor):
+        self._path2confmods[None] = self.getconftestmodules(anchor)
+        # let's also consider test* subdirs
+        if anchor.check(dir=1):
+            for x in anchor.listdir("test*"):
+                if x.check(dir=1):
+                    self.getconftestmodules(x)
 
     def getconftestmodules(self, path):
         """ return a list of imported conftest modules for the given path.  """

setup.py

@@ -24,7 +24,7 @@ def main():
         name='pytest',
         description='py.test: simple powerful testing with Python',
         long_description = long_description,
-        version='2.3.0.dev1',
+        version='2.3.0.dev2',
         url='http://pytest.org',
         license='MIT license',
         platforms=['unix', 'linux', 'osx', 'cygwin', 'win32'],

testing/test_conftest.py

@@ -15,7 +15,8 @@ def pytest_funcarg__basedir(request):
             d.ensure("adir/__init__.py")
             d.ensure("adir/b/__init__.py")
         return d
-    return request.cached_setup(lambda: basedirmaker(request), extrakey=request.param)
+    return request.cached_setup(
+        lambda: basedirmaker(request), extrakey=request.param)
 
 def ConftestWithSetinitial(path):
     conftest = Conftest()
@@ -106,6 +107,17 @@ def test_doubledash_not_considered(testdir):
     l = conftest.getconftestmodules(None)
     assert len(l) == 0
 
+def test_issue151_load_all_conftests(testdir):
+    names = "code proj src".split()
+    for name in names:
+        p = testdir.mkdir(name)
+        p.ensure("conftest.py")
+
+    conftest = Conftest()
+    conftest.setinitial(names)
+    d = list(conftest._conftestpath2mod.values())
+    assert len(d) == len(names)
+
 def test_conftest_global_import(testdir):
     testdir.makeconftest("x=3")
     p = testdir.makepyfile("""