hg: return 400 Bad Request for hg commands that not are commands Avoid throwing bare Exceptions which requires framework specific testing. Instead, return a reasonable http error code and make the test more framework independent. The "helpful" message will just be a description of the http exception and not sent to the client.

[tox]
minversion = 1.8
envlist = py{26,27}-pytest

[testenv]
setenv =
    PYTHONHASHSEED = 0
deps =
    -r{toxinidir}/dev_requirements.txt
    py26-pytest: unittest2
    python-ldap
    python-pam
commands =
    pytest: py.test {posargs}