fix --pdb to not drop interactive on xfailed tests

--HG--
branch : trunk

CHANGELOG

@@ -34,6 +34,7 @@ New features
 Bug fixes / Maintenance
 ++++++++++++++++++++++++++
 
+- fix --pdb to ignore xfailed tests and unify its TB-reporting 
 - fix assertion interpretation with the ** operator
 - fix issue105 assignment on the same line as a failing assertion
 - fix issue104 proper escaping for test names in junitxml plugin

py/_plugin/pytest_pdb.py

@@ -15,19 +15,21 @@ def pytest_configure(config):
         config.pluginmanager.register(PdbInvoke(), 'pdb')
 
 class PdbInvoke:
-    def pytest_runtest_makereport(self, item, call):
-        if call.excinfo and not \
-           call.excinfo.errisinstance(py.test.skip.Exception): 
-            # play well with capturing, slightly hackish
-            capman = item.config.pluginmanager.getplugin('capturemanager')
-            capman.suspendcapture() 
-
-            tw = py.io.TerminalWriter()
-            repr = call.excinfo.getrepr()
-            repr.toterminal(tw) 
-            post_mortem(call.excinfo._excinfo[2])
-
-            capman.resumecapture_item(item)
+    def pytest_runtest_makereport(self, item, call, __multicall__):
+        if not call.excinfo or \
+            call.excinfo.errisinstance(py.test.skip.Exception):
+            return
+        rep = __multicall__.execute()
+        if "xfail" in rep.keywords:
+            return rep
+        # we assume that the above execute() suspended capturing
+        tw = py.io.TerminalWriter()
+        tw.line()
+        tw.sep(">", "traceback")
+        rep.toterminal(tw)
+        tw.sep(">", "entering PDB")
+        post_mortem(call.excinfo._excinfo[2])
+        return rep
 
 class Pdb(py.std.pdb.Pdb):
     def do_list(self, arg):

py/_test/pluginmanager.py

@@ -6,8 +6,8 @@ import inspect
 from py._plugin import hookspec
 
 default_plugins = (
-    "default runner capture mark terminal skipping tmpdir monkeypatch "
-    "recwarn pdb pastebin unittest helpconfig nose assertion genscript "
+    "default runner pdb capture mark terminal skipping tmpdir monkeypatch "
+    "recwarn pastebin unittest helpconfig nose assertion genscript "
     "junitxml doctest").split()
 
 def check_old_use(mod, modname):

testing/pip-reqs1.txt

@@ -1,5 +1,4 @@
 docutils
 pygments
 pexpect
-figleaf
 hg+http://bitbucket.org/hpk42/execnet#egg=execnet

testing/plugin/test_pytest_pdb.py

@@ -20,6 +20,16 @@ class TestPDB:
         tb = py.code.Traceback(pdblist[0][0])
         assert tb[-1].name == "test_func"
 
+    def test_pdb_on_xfail(self, testdir, pdblist):
+        rep = testdir.inline_runsource1('--pdb', """
+            import py
+            @py.test.mark.xfail
+            def test_func(): 
+                assert 0
+        """)
+        assert "xfail" in rep.keywords
+        assert not pdblist 
+
     def test_pdb_on_skip(self, testdir, pdblist):
         rep = testdir.inline_runsource1('--pdb', """
             import py