# coding: utf-8

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from tests.functional import *


class TestSisterMom(TestFunctional):
    """
    This test suite tests the sister mom crash
    """
    @timeout(240)
    def test_sister_mom_crash(self):
        """
        This test suite verifies that sister mom
        doesn't crash
        """
        # Skip test if number of mom provided is not equal to two
        if len(self.moms) != 2:
            self.skipTest("test requires atleast two MoMs as input, " +
                          "use -p moms=<mom1:mom2>")
        sister_mom = self.moms.keys()[1]
        pbsdsh_path = os.path.join(self.server.pbs_conf['PBS_EXEC'],
                                   "bin", "pbsdsh")
        script = "%s dd if=/dev/zero of=/dev/null" % pbsdsh_path
        j = Job(TEST_USER)
        j.set_attributes({'Resource_List.select': '2',
                          'Resource_List.place': 'scatter'})
        j.create_script(script)
        jid = self.server.submit(j)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid)
        self.server.log_match(";%s;node down: communication closed"
                              % (sister_mom),
                              max_attempts=18, interval=10, existence=False)