Add a debug tox environment

Uses oslo_debug_helper to run up the tests in single-threaded
mode so that pdb works.

Examples:
 # Run all tests.
 tox -e debug
 # Run a specific test or set of tests.
 tox -e debug module.to.my.test

Change-Id: I272f6aa34bafcd7ac2d2828cbd6dd48e0e615b79

1 files changed, 4 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index af9e2240..647bb08b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -43,6 +43,10 @@ commands =
 setenv = PYTHONHASHSEED=0
 commands = {posargs:}
 
+[testenv:debug]
+envdir = {toxworkdir}/venv
+commands = oslo_debug_helper -t ironic_python_agent/tests/unit {posargs}
+
 [testenv:devenv]
 envdir = devenv
 usedevelop = True