#! /usr/bin/env python
from __future__ import print_function
from __future__ import absolute_import
from datetime import datetime
import errno
import os
import sys
import unittest
import irods.test.helpers as helpers
import irods.exception


class TestException(unittest.TestCase):

    def setUp(self):
        # open the session (per-test)
        self.sess = helpers.make_session()

    def tearDown(self):
        # close the session (per-test)
        self.sess.cleanup()

    def test_400(self):
        ses = self.sess
        data = ''
        try:
            seed = helpers.my_function_name() + ":" + str(datetime.now())
            data = helpers.home_collection(ses) + "/" + helpers.unique_name(seed,'data')
            exc = None
            with helpers.create_simple_resc(self,vault_path = '/home') as resc_name:
                try:
                    # iRODS will attempt to make a data object where it doesn't have permission
                    ses.data_objects.create(data,resource = resc_name)
                except Exception as e:
                    exc = e
            self.assertIsNotNone(exc, 'Creating data object in unwriteable vault did not raise an error as it should.')
            excep_repr = repr(exc)
            errno_object = irods.exception.Errno(errno.EACCES)
            errno_repr = repr(errno_object)
            self.assertRegexpMatches(errno_repr,r'\bErrno\b')
            self.assertRegexpMatches(errno_repr,'''['"]{msg}['"]'''.format(msg = os.strerror(errno.EACCES)))
            self.assertIn( errno_repr, excep_repr)
        finally:
            if ses.data_objects.exists(data):
                ses.data_objects.unlink(data,force = True)

if __name__ == '__main__':
    # let the tests find the parent irods lib
    sys.path.insert(0, os.path.abspath('../..'))
    unittest.main()