[svn r62290] slightly sanitizing initialization of serialised config objects.

--HG--
branch : trunk

py/test/config.py

@@ -28,8 +28,9 @@ class Config(object):
     _initialized = False
     _sessionclass = None
 
-    def __init__(self, pytestplugins=None): 
+    def __init__(self, pytestplugins=None, topdir=None): 
         self.option = CmdOptions()
+        self.topdir = topdir
         self._parser = parseopt.Parser(
             usage="usage: %prog [options] [file_or_dir] [file_or_dir] [...]",
             processopt=self._processopt,
@@ -46,6 +47,11 @@ class Config(object):
             if not hasattr(self.option, opt.dest):
                 setattr(self.option, opt.dest, opt.default)
 
+    def _preparse(self, args):
+        self._conftest.setinitial(args) 
+        self.pytestplugins.consider_env()
+        self.pytestplugins.do_addoption(self._parser)
+
     def parse(self, args): 
         """ parse cmdline arguments into this config object. 
             Note that this can only be called once per testing process. 
@@ -53,9 +59,7 @@ class Config(object):
         assert not self._initialized, (
                 "can only parse cmdline args at most once per Config object")
         self._initialized = True
-        self._conftest.setinitial(args) 
-        self.pytestplugins.consider_env()
-        self.pytestplugins.do_addoption(self._parser)
+        self._preparse(args)
         args = self._parser.parse_setoption(args, self.option)
         if not args:
             args.append(py.std.os.getcwd())
@@ -74,11 +78,11 @@ class Config(object):
     def _initafterpickle(self, topdir):
         self.__init__(
             #issue1
-            #pytestplugins=py.test._PytestPlugins(py._com.pyplugins)
+            #pytestplugins=py.test._PytestPlugins(py._com.pyplugins),
+            topdir=topdir,
         )
-        self._initialized = True
-        self.topdir = py.path.local(topdir)
         self._mergerepr(self._repr)
+        self._initialized = True
         del self._repr 
 
     def _makerepr(self):
@@ -98,7 +102,7 @@ class Config(object):
         args, cmdlineopts = repr 
         self.args = [self.topdir.join(x) for x in args]
         self.option = cmdlineopts
-        self._conftest.setinitial(self.args)
+        self._preparse(self.args)
 
     def getcolitems(self):
         return [self.getfsnode(arg) for arg in self.args]

py/test/plugin/pytest_pytester.py

@@ -4,6 +4,7 @@ pytes plugin for easing testing of pytest runs themselves.
 
 import py
 from py.__.test import event
+from py.__.test.config import Config as pytestConfig
 
 class PytesterPlugin:
     def pytest_pyfuncarg_linecomp(self, pyfuncitem):
@@ -49,8 +50,11 @@ class TmpTestdir:
         self.tmpdir = tmpdir.mkdir(name)
         self.plugins = []
         self._syspathremove = []
-        from py.__.test.config import Config
-        self.Config = Config
+
+    def Config(self, pyplugins=None, topdir=None):
+        if topdir is None:
+            topdir = self.tmpdir.dirpath()
+        return pytestConfig(pyplugins, topdir=topdir)
 
     def finalize(self):
         for p in self._syspathremove:

py/test/testing/test_config.py

@@ -285,10 +285,10 @@ class TestConfigPickling:
         tmp.ensure("conftest.py").write("x=1 ; y=2")
         hello = tmp.ensure("test_hello.py")
         config = py.test.config._reparse([hello])
-        config2 = py.test.config._reparse([tmp.dirpath()])
+        config2 = testdir.Config() 
         config2._initialized = False # we have to do that from tests
         config2._repr = config._makerepr()
-        config2._initafterpickle(topdir=tmp.dirpath())
+        config2._initafterpickle(tmp.dirpath())
 
         for col1, col2 in zip(config.getcolitems(), config2.getcolitems()):
             assert col1.fspath == col2.fspath
@@ -305,12 +305,21 @@ class TestConfigPickling:
         tmp.ensure("conftest.py").write("x=1")
         config = py.test.config._reparse([tmp])
         repr = config._makerepr()
+
         config.option.verbose = 42
         repr2 = config._makerepr()
-        config = py.test.config._reparse([tmp.dirpath()])
-        py.test.raises(KeyError, "config.getvalue('x')")
+
+        print "hello"
+        config = testdir.Config()
         config._mergerepr(repr)
+        print config._conftest.getconftestmodules(None)
         assert config.getvalue('x') == 1
+
+        config = testdir.Config()
+        config._preparse([])
+        py.test.raises(KeyError, "config.getvalue('x')")
+
+        config = testdir.Config()
         config._mergerepr(repr2) 
         assert config.option.verbose == 42
         
@@ -327,13 +336,16 @@ class TestConfigPickling:
         config = py.test.config._reparse([tmp, "-G", "11"])
         assert config.option.gdest == 11
         repr = config._makerepr()
-        config = py.test.config._reparse([tmp.dirpath()])
+
+        config = testdir.Config()
         py.test.raises(AttributeError, "config.option.gdest")
-        config._mergerepr(repr) 
-        option = config.addoptions("testing group", 
-                config.Option('-G', '--glong', action="store", default=42,
+
+        config2 = testdir.Config()
+        config2._mergerepr(repr) 
+        option = config2.addoptions("testing group", 
+                config2.Option('-G', '--glong', action="store", default=42,
                        type="int", dest="gdest", help="g value."))
-        assert config.option.gdest == 11
+        assert config2.option.gdest == 11
         assert option.gdest == 11
 
     def test_config_picklability(self, tmpdir):