fix some failures introduced by the last commit, document new "pytestconfig" funcarg

--HG--
branch : trunk

CHANGELOG

@@ -13,6 +13,9 @@ Changes between 1.X and 1.1.1
 - new option: --confcutdir=dir will make py.test only consider conftest 
   files that are relative to the specified dir.  
 
+- new funcarg: "pytestconfig" is the pytest config object for access
+  to command line args and can now be easily used in a test. 
+
 - install 'py.test' and `py.which` with a ``-$VERSION`` suffix to
   disambiguate between Python3, python2.X, Jython and PyPy installed versions. 
 

py/plugin/pytest_default.py

@@ -29,6 +29,7 @@ def pytest_collect_file(path, parent):
             return parent.Module(path, parent=parent) 
 
 def pytest_funcarg__pytestconfig(request):
+    """ the pytest config object with access to command line opts."""
     return request.config
 
 def pytest_collect_directory(path, parent):

py/plugin/pytest_pytester.py

@@ -338,8 +338,10 @@ class TmpTestdir:
 
     def spawn_pytest(self, string, expect_timeout=10.0):
         pexpect = py.test.importorskip("pexpect", "2.4")
+        if not self.request.config.getvalue("toolsonpath"):
+            py.test.skip("need --tools-on-path to run py.test script")
         basetemp = self.tmpdir.mkdir("pexpect")
-        invoke = "%s %s" % self._getpybinargs("py.test")
+        invoke = self._getpybinargs("py.test")[0]
         cmd = "%s --basetemp=%s %s" % (invoke, basetemp, string)
         child = pexpect.spawn(cmd, logfile=basetemp.join("spawn.out").open("w"))
         child.timeout = expect_timeout

testing/cmdline/test_cmdline.py

@@ -3,14 +3,13 @@ import sys, py
 pytest_plugins = "pytest_pytester"
 
 @py.test.mark.multi(name=[x for x in dir(py.cmdline) if x[0] != "_"])
-def test_cmdmain(name):
+def test_cmdmain(name, pytestconfig):
     main = getattr(py.cmdline, name)
     assert py.builtin.callable(main)
     assert name[:2] == "py"
-    scriptname = "py." + name[2:]
-    if sys.platform == "win32":
-        scriptname += ".exe"
-    assert py.path.local.sysfind(scriptname), scriptname
+    if pytestconfig.getvalue("toolsonpath"):
+        scriptname = "py." + name[2:]
+        assert py.path.local.sysfind(scriptname), scriptname
 
 class TestPyLookup:
     def test_basic(self, testdir):