1 files changed, 64 insertions, 0 deletions
diff --git a/Mailman/tests/helpers.py b/Mailman/tests/helpers.py
new file mode 100644
index 000000000..1b24f11e6
--- /dev/null
+++ b/Mailman/tests/helpers.py
@@ -0,0 +1,64 @@
+# Copyright (C) 2008 by the Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+
+"""Various test helpers."""
+
+__metaclass__ = type
+__all__ = [
+    'get_queue_messages',
+    'make_testable_runner',
+    ]
+
+
+
+def make_testable_runner(runner_class):
+    """Create a queue runner that runs until its queue is empty.
+
+    :param runner_class: An IRunner
+    :return: A runner instance.
+    """
+
+    class EmptyingRunner(runner_class):
+        """Stop processing when the queue is empty."""
+
+        def _doperiodic(self):
+            """Stop when the queue is empty."""
+            self._stop = (len(self._switchboard.files) == 0)
+
+    return EmptyingRunner()
+
+
+
+class _Bag:
+    def __init__(self, **kws):
+        for key, value in kws.items():
+            setattr(self, key, value)
+
+
+def get_queue_messages(queue):
+    """Return and clear all the messages in the given queue.
+
+    :param queue: An ISwitchboard
+    :return: A list of 2-tuples where each item contains the message and
+        message metadata.
+    """
+    messages = []
+    for filebase in queue.files:
+        msg, msgdata = queue.dequeue(filebase)
+        messages.append(_Bag(msg=msg, msgdata=msgdata))
+        queue.finish(filebase)
+    return messages