Fixes for test suite in win32 when all dependencies (esp. Twisted) are

installed.

Also activated testing.tools to be picked up by the test suite (was
excluded), this gives us a few more tests.

Status:

- On Linux, the full suite passes like before.

- On Win32, now that we have Twisted, we're seeing a few failures, because I
don't have the WinHPC server stuff.  These should be easy for Brian to fix.
There are also two tests where the Skip nose exception isn't recognized by
Twisted, should also be easy.  I'll file tickets for those.

IPython/testing/decorators.py

@@ -318,3 +318,7 b" skip_if_not_osx = skipif(sys.platform != 'darwin',"
 skipif_not_numpy = skipif(numpy_not_available,"This test requires numpy")
 
 skipknownfailure = skip('This test is known to fail')
+
+# A null 'decorator', useful to make more readable code that needs to pick
+# between different decorators based on OS or other conditions
+null_deco = lambda f: f

IPython/testing/iptest.py

@@ -45,6 +45,7 b' from nose.core import TestProgram'
 from IPython.utils import genutils
 from IPython.utils.platutils import find_cmd, FindCmdError
 from . import globalipapp
+from . import tools
 from .plugin.ipdoctest import IPythonDoctest
 
 pjoin = path.join
@@ -57,6 +58,10 b' pjoin = path.join'
 warnings.filterwarnings('ignore', 'the sets module is deprecated',
                         DeprecationWarning )
 
+# This one also comes from Twisted
+warnings.filterwarnings('ignore', 'the sha module is deprecated',
+                        DeprecationWarning)
+
 #-----------------------------------------------------------------------------
 # Logic for skipping doctests
 #-----------------------------------------------------------------------------
@@ -102,8 +107,11 b' def make_exclude():'
                   ipjoin('quarantine'),
                   ipjoin('deathrow'),
                   ipjoin('testing', 'attic'),
-                  ipjoin('testing', 'tools'),
+                  # This guy is probably attic material
                   ipjoin('testing', 'mkdoctests'),
+                  # Testing inputhook will need a lot of thought, to figure out
+                  # how to have tests that don't lock up with the gui event
+                  # loops in the picture
                   ipjoin('lib', 'inputhook'),
                   # Config files aren't really importable stand-alone
                   ipjoin('config', 'default'),
@@ -193,9 +201,9 b' class IPTester(object):'
                 # path:
                 iptest_path = pjoin(genutils.get_ipython_package_dir(),
                                     'scripts','iptest')
-            self.runner = ['python', iptest_path, '-v']
+            self.runner = tools.cmd2argv(iptest_path) + ['-v']
         else:
-            self.runner = ['python', os.path.abspath(find_cmd('trial'))]
+            self.runner = tools.cmd2argv(os.path.abspath(find_cmd('trial')))
         if params is None:
             params = []
         if isinstance(params,str):

IPython/testing/ipunittest.py

@@ -52,8 +52,6 b" if sys.version[0]=='2':"
 else:
     from ._paramtestpy3 import ParametricTestCase
 
-from . import globalipapp
-
 #-----------------------------------------------------------------------------
 # Classes and functions
 #-----------------------------------------------------------------------------
@@ -83,6 +81,8 b' class IPython2PythonConverter(object):'
 
     def __call__(self, ds):
         """Convert IPython prompts to python ones in a string."""
+        from . import globalipapp
+
         pyps1 = '>>> '
         pyps2 = '... '
         pyout = ''

IPython/testing/tools.py

@@ -25,6 +25,7 b' Authors'
 #-----------------------------------------------------------------------------
 # Required modules and packages
 #-----------------------------------------------------------------------------
+from __future__ import absolute_import
 
 import os
 import re
@@ -42,6 +43,8 b' except ImportError:'
 
 from IPython.utils import genutils, platutils
 
+from . import decorators as dec
+
 #-----------------------------------------------------------------------------
 # Globals
 #-----------------------------------------------------------------------------
@@ -62,7 +65,11 b' if has_nose:'
 # Functions and classes
 #-----------------------------------------------------------------------------
 
+# The docstring for full_path doctests differently on win32 (different path
+# separator) so just skip the doctest there.  The example remains informative.
+doctest_deco = dec.skip_doctest if sys.platform == 'win32' else dec.null_deco
 
+@doctest_deco
 def full_path(startPath,files):
     """Make full paths for all the listed files, based on startPath.
 
@@ -142,6 +149,40 b' def parse_test_output(txt):'
 parse_test_output.__test__ = False
 
 
+def cmd2argv(cmd):
+    r"""Take the path of a command and return a list (argv-style).
+
+    For a given path ``cmd``, this returns [cmd] if cmd's extension is .exe,
+    .com or .bat, and ['python', cmd] otherwise.
+
+    This is mostly a Windows utility, to deal with the fact that the scripts in
+    Windows get wrapped in .exe entry points, so we have to call them
+    differently.
+
+    Parameters
+    ----------
+    cmd : string
+      The path of the command.
+
+    Returns
+    -------
+    argv-style list.
+
+    Examples
+    --------
+    In [2]: cmd2argv('/usr/bin/ipython')
+    Out[2]: ['python', '/usr/bin/ipython']
+
+    In [3]: cmd2argv(r'C:\Python26\Scripts\ipython.exe')
+    Out[3]: ['C:\\Python26\\Scripts\\ipython.exe']
+    """
+    ext = os.path.splitext(cmd)[1]
+    if ext in ['.exe', '.com', '.bat']:
+        return [cmd]
+    else:
+        return ['python', cmd]
+    
+
 def temp_pyfile(src, ext='.py'):
     """Make a temporary python file, return filename and filehandle.