# coding: utf-8

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import pwd
from tests.functional import *


class TestJobDefaultGroup(TestFunctional):
    """
    This test suite contains test for job which gets default group
    """

    def test_job_with_default_group(self):
        """
        When a user group is not present on server machine
        then job will get a "-default-" group set on it.
        And MOM should be able to run that job
        """
        if self.server.hostname == self.mom.hostname:
            self.skipTest("Server and Execution host must be different")
        # add a temporary new user on execution host and assume that user
        # will be created and check user is not present on server host
        self.user_name = "ptlpbstestuser1"
        try:
            pwd.getpwnam(self.user_name)
            # user is present in server host, must delete user before
            # qsub
            cmd = f"userdel {self.user_name}"
            res = self.du.run_cmd(self.server.hostname, cmd=cmd, sudo=True)
            if res["rc"] != 0:
                raise PtlException("Unable to delete user on server host")
            self.logger.info(f"Deleted {self.user_name} on server host.")
        except KeyError:
            # good! user is not present on server host
            # just as we needed
            pass
        self.testuser_created = True
        cmd = f"useradd -m {self.user_name}"
        res = self.du.run_cmd(self.mom.hostname, cmd=cmd, sudo=True)
        if res["rc"] != 0:
            self.testuser_created = False
            raise PtlException("Unable to create user on execution host")
        attr = {"flatuid": True}
        self.server.manager(MGR_CMD_SET, SERVER, attr)
        starttime = int(time.time())
        user = PbsUser(self.user_name)
        self.server.client = self.mom.hostname
        jid = self.server.submit(Job(user), submit_dir="/tmp")
        self.server.client = self.server.hostname
        attr = {"job_state": "R"}
        self.server.expect(JOB, attr, id=jid)
        self.mom.log_match(
            f"Job;{jid};No Group Entry for Group -default-",
            starttime=starttime,
            existence=False,
            max_attempts=30,
        )

    def tearDown(self):
        super().tearDown()
        if self.testuser_created:
            cmd = f"userdel {self.user_name}"
            self.du.run_cmd(self.mom.hostname, cmd=cmd, sudo=True)