TST: nicer output from pd.test()

TST: skip result2 test in computation/test_eval.py as unreliable  TST:
skip some unreliable tests in io/tests/test_data.py

Author: Jeff Reback <jeff@reback.net>

Closes #12568 from jreback/tests and squashes the following commits:

41c8584 [Jeff Reback] TST: nicer output from pd.test()

Author: jreback

pandas/computation/tests/test_eval.py

@@ -1633,8 +1633,8 @@ def test_result_types(self):
         self.check_result_type(np.float64, np.float64)
 
     def test_result_types2(self):
-	# xref https://github.com/pydata/pandas/issues/12293
-        tm._skip_if_windows()
+        # xref https://github.com/pydata/pandas/issues/12293
+        raise nose.SkipTest("unreliable tests on complex128")
 
         # Did not test complex64 because DataFrame is converting it to
         # complex128. Due to https://github.com/pydata/pandas/issues/10952

pandas/io/tests/test_data.py

@@ -304,6 +304,7 @@ def setUpClass(cls):
         super(TestYahooOptions, cls).setUpClass()
         _skip_if_no_lxml()
         _skip_if_no_bs()
+        raise nose.SkipTest('unreliable test')
 
         # aapl has monthlies
         cls.aapl = web.Options('aapl', 'yahoo')
@@ -370,6 +371,7 @@ def test_get_expiry_dates(self):
 
     @network
     def test_get_all_data(self):
+
         try:
             data = self.aapl.get_all_data(put=True)
         except RemoteDataError as e:

pandas/util/nosetester.py

@@ -122,6 +122,43 @@ def _get_custom_doctester(self):
         """
         return None
 
+    def _test_argv(self, label, verbose, extra_argv):
+        ''' Generate argv for nosetest command
+
+        Parameters
+        ----------
+        label : {'fast', 'full', '', attribute identifier}, optional
+            see ``test`` docstring
+        verbose : int, optional
+            Verbosity value for test outputs, in the range 1-10. Default is 1.
+        extra_argv : list, optional
+            List with any extra arguments to pass to nosetests.
+
+        Returns
+        -------
+        argv : list
+            command line arguments that will be passed to nose
+        '''
+        argv = [__file__, self.package_path]
+        if label and label != 'full':
+            if not isinstance(label, string_types):
+                raise TypeError('Selection label should be a string')
+            if label == 'fast':
+                label = 'not slow and not network and not disabled'
+            argv += ['-A', label]
+        argv += ['--verbosity', str(verbose)]
+
+        # When installing with setuptools, and also in some other cases, the
+        # test_*.py files end up marked +x executable. Nose, by default, does
+        # not run files marked with +x as they might be scripts. However, in
+        # our case nose only looks for test_*.py files under the package
+        # directory, which should be safe.
+        argv += ['--exe']
+
+        if extra_argv:
+            argv += extra_argv
+        return argv
+
     def test(self, label='fast', verbose=1, extra_argv=None,
              doctests=False, coverage=False, raise_warnings=None):
         """