diff options
| -rw-r--r-- | test_gdb.py | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/test_gdb.py b/test_gdb.py index bf57a13..36aa8de 100644 --- a/test_gdb.py +++ b/test_gdb.py @@ -36,16 +36,12 @@ class DebuggerTests(unittest.TestCase): """Test that the debugger can debug Python.""" def run_gdb(self, *args): - """Runs gdb with the command line given by *args. Returns its stdout. - - Forwards stderr to the current process's stderr. + """Runs gdb with the command line given by *args. Returns its stdout, stderr """ - # err winds up empty. out, err = subprocess.Popen( - args, stdout=subprocess.PIPE, - stderr=None, # Forward stderr to the current process's stderr. + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, ).communicate() - return out + return out, err def get_stack_trace(self, source, breakpoint='PyObject_Print'): ''' @@ -65,15 +61,22 @@ class DebuggerTests(unittest.TestCase): # Initially I had "--eval-command=continue" here, but removed it to # avoid repeated print breakpoints when traversing hierarchical data # structures - gdb_output = self.run_gdb("gdb", "--batch", - "--eval-command=set breakpoint pending yes", - "--eval-command=break %s" % breakpoint, - - "--eval-command=run", - "--eval-command=backtrace", - "--args", - sys.executable, "-S", "-c", source) - return gdb_output + out, err = self.run_gdb("gdb", "--batch", + "--eval-command=set breakpoint pending yes", + "--eval-command=break %s" % breakpoint, + + "--eval-command=run", + "--eval-command=backtrace", + "--args", + sys.executable, "-S", "-c", source) + + # Ignore some noise on stderr due to the pending breakpoint: + err = err.replace('Function "%s" not defined.\n' % breakpoint, '') + + # Ensure no unexpected error messages: + self.assertEquals(err, '') + + return out def get_gdb_repr(self, source): # Given an input python source representation of data, |