fix some standalone-script running issues:

* standalone can run standalone tests
* exception handling is more careful with assuming valid filenames
* bits here and there

--HG--
branch : trunk

testing/plugin/test_pytest_doctest.py

@@ -1,5 +1,7 @@
 from py.plugin.pytest_doctest import DoctestModule, DoctestTextfile
 
+pytest_plugins = ["pytest_doctest"]
+
 class TestDoctests:
  
     def test_collect_testtextfile(self, testdir):
@@ -12,14 +14,15 @@ class TestDoctests:
         """)
         for x in (testdir.tmpdir, checkfile): 
             #print "checking that %s returns custom items" % (x,) 
-            items, reprec = testdir.inline_genitems(x)
+            items, reprec = testdir.inline_genitems(x, '-p', 'doctest')
             assert len(items) == 1
             assert isinstance(items[0], DoctestTextfile)
 
     def test_collect_module(self, testdir):
         path = testdir.makepyfile(whatever="#")
         for p in (path, testdir.tmpdir): 
-            items, reprec = testdir.inline_genitems(p, '--doctest-modules')
+            items, reprec = testdir.inline_genitems(p, '-p', 'doctest', 
+                '--doctest-modules')
             assert len(items) == 1
             assert isinstance(items[0], DoctestModule)
 
@@ -29,7 +32,7 @@ class TestDoctests:
             >>> x == 1
             False
         """)
-        reprec = testdir.inline_run(p)
+        reprec = testdir.inline_run(p, '-p', 'doctest')
         reprec.assertoutcome(failed=1)
 
     def test_doctest_unexpected_exception(self, testdir):
@@ -41,7 +44,7 @@ class TestDoctests:
             >>> x
             2
         """)
-        reprec = testdir.inline_run(p)
+        reprec = testdir.inline_run(p, '-p', 'doctest')
         call = reprec.getcall("pytest_runtest_logreport")
         assert call.report.failed
         assert call.report.longrepr 
@@ -60,7 +63,7 @@ class TestDoctests:
 
             '''
         """)
-        reprec = testdir.inline_run(p, "--doctest-modules")
+        reprec = testdir.inline_run(p, '-p', 'doctest', "--doctest-modules")
         reprec.assertoutcome(failed=1) 
 
     def test_doctestmodule_external(self, testdir):
@@ -73,7 +76,7 @@ class TestDoctests:
                     2
                 '''
         """)
-        result = testdir.runpytest(p, "--doctest-modules")
+        result = testdir.runpytest(p, '-p', 'doctest', "--doctest-modules")
         result.stdout.fnmatch_lines([
             '004 *>>> i = 0',
             '005 *>>> i + 1',
@@ -91,7 +94,7 @@ class TestDoctests:
             >>> i + 1
             2
         """)
-        result = testdir.runpytest(p)
+        result = testdir.runpytest(p, '-p', 'doctest')
         result.stdout.fnmatch_lines([
             '001 >>> i = 0',
             '002 >>> i + 1',

testing/plugin/test_pytest_helpconfig.py

@@ -5,9 +5,9 @@ def test_version(testdir):
     assert py.version == py.__version__ 
     result = testdir.runpytest("--version")
     assert result.ret == 0
-    p = py.path.local(py.__file__).dirpath()
+    #p = py.path.local(py.__file__).dirpath()
     assert result.stderr.fnmatch_lines([
-        '*py.test*%s*imported from*%s*' % (py.version, p)
+        '*py.test*%s*imported from*' % (py.version, )
     ])
 
 def test_helpconfig(testdir):