[svn r57790] Reintroduce the --tb option. Add test.

--HG--
branch : trunk

py/code/excinfo.py

@@ -243,7 +243,8 @@ class ReprTraceback(Repr):
     def toterminal(self, tw):
         sepok = False 
         for entry in self.reprentries:
-            if sepok and self.style == "long":
+            if self.style == "long":
+                if sepok:
                     tw.sep(self.entrysep)
                 tw.line("")
             sepok = True

py/test/collect.py

@@ -268,7 +268,8 @@ class Node(object):
     def _repr_failure_py(self, excinfo, outerr):
         excinfo.traceback = self._prunetraceback(excinfo.traceback)
         repr = excinfo.getrepr(funcargs=True, 
-                               showlocals=self._config.option.showlocals)
+                               showlocals=self._config.option.showlocals,
+                               style=self._config.option.tbstyle)
         for secname, content in zip(["out", "err"], outerr):
             if content:
                 repr.addsection("Captured std%s" % secname, content.rstrip())

py/test/report/terminal.py

@@ -156,7 +156,7 @@ class TerminalReporter(BaseReporter):
     #
 
     def summary_failures(self):
-        if self._failed:
+        if self._failed and self.config.option.tbstyle != "no":
             self.write_sep("=", "FAILURES")
             for ev in self._failed:
                 self.write_sep("_")

py/test/report/testing/test_terminal.py

@@ -161,3 +161,34 @@ class TestTerminal(InlineCollection):
             "*waiting*", 
             "*%s*" % (modcol._config.topdir),
         ])
+
+    def test_tb_option(self):
+        for tbopt in ["no", "short", "long"]:
+            print 'testing --tb=%s...' % tbopt
+            modcol = self.getmodulecol("""
+                import py
+                def g():
+                    raise IndexError
+                def test_func():
+                    print 6*7
+                    g()  # --calling--
+            """, configargs=("--tb=%s" % tbopt,), withsession=True)
+            stringio = py.std.cStringIO.StringIO()
+            rep = TerminalReporter(modcol._config, file=stringio)
+            rep.processevent(event.TestrunStart())
+            for item in self.session.genitems([modcol]):
+                ev = basic_run_report(item) 
+                rep.processevent(ev)
+            rep.processevent(event.TestrunFinish())
+            s = popvalue(stringio)
+            if tbopt == "long":
+                assert 'print 6*7' in s
+            else:
+                assert 'print 6*7' not in s
+            if tbopt != "no":
+                assert '--calling--' in s
+                assert 'IndexError' in s
+            else:
+                assert 'FAILURES' not in s
+                assert '--calling--' not in s
+                assert 'IndexError' not in s