Does not get path to database file correctly with "/tmp" as additional dir/arg #45
Description
% py.test project /tmp/envdir_tty
Traceback (most recent call last):
File "…/pyenv/3.5.1/envs/tmp-3.5.1-2UJvnn/bin/py.test", line 9, in <module>
load_entry_point('pytest', 'console_scripts', 'py.test')()
File "…/Vcs/pytest/_pytest/config.py", line 49, in main
return config.hook.pytest_cmdline_main(config=config)
File "…/Vcs/pytest/_pytest/vendored_packages/pluggy.py", line 727, in __call__
return self._hookexec(self, self._nonwrappers + self._wrappers, kwargs)
File "…/Vcs/pytest/_pytest/vendored_packages/pluggy.py", line 338, in _hookexec
return self._inner_hookexec(hook, methods, kwargs)
File "…/Vcs/pytest/_pytest/vendored_packages/pluggy.py", line 333, in <lambda>
_MultiCall(methods, kwargs, hook.spec_opts).execute()
File "…/Vcs/pytest/_pytest/vendored_packages/pluggy.py", line 599, in execute
res = hook_impl.function(*args)
File "…/Vcs/pytest-testmon/testmon/pytest_testmon.py", line 81, in pytest_cmdline_main
init_testmon_data(config)
File "…/Vcs/pytest-testmon/testmon/pytest_testmon.py", line 75, in init_testmon_data
variant=variant)
File "…/Vcs/pytest-testmon/testmon/testmon_core.py", line 150, in __init__
self.init_connection()
File "…/Vcs/pytest-testmon/testmon/testmon_core.py", line 172, in init_connection
self.connection = sqlite3.connect(self.datafile)
sqlite3.OperationalError: unable to open database file
self.datafile ends up being /.testmondata.
Might be related to pytest-dev/pytest#1594.