# coding: utf-8

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from tests.functional import *


class Test_single_event_multiple_hooks(TestFunctional):
    """
    Test if changes made to pbs objects by multiple hooks of same
    event type takes effect or not.
    """
    hook_string = """
import pbs
e = pbs.event()
e.job.Resource_List["%s"]=%s
%s
"""

    def create_hook_scr(self, accept, resource, value):
        """
        function to create a hook script.
        It accepts 3 arguments
        - accept	If set to true, then hook will accept else reject
        - resource	Resource whose value we want to change
        - value		New value to be assigned
        """
        hook_action = "e.accept()"
        if not accept:
            hook_action = "e.reject()"
        final_hook = self.hook_string % (resource, value, hook_action)
        return final_hook

    def test_two_queuejob_hooks(self):
        """
        Submit two queue job hooks. One of the hook modifies resource ncpus
        and other hook modifies walltime. Check the result of modification.
        """
        hook_name = "h1"
        scr = self.create_hook_scr(True, "ncpus", "int(5)")
        attrs = {'event': "queuejob", 'order': '1'}
        rv = self.server.create_import_hook(
            hook_name,
            attrs,
            scr,
            overwrite=True)
        self.assertTrue(rv)

        hook_name = "h2"
        scr = self.create_hook_scr(True, "walltime", "600")
        attrs = {'event': "queuejob", 'order': '2'}
        rv = self.server.create_import_hook(
            hook_name,
            attrs,
            scr,
            overwrite=True)
        self.assertTrue(rv)
        a = {'Resource_List.ncpus': 1,
             'Resource_List.walltime': 10}
        j = Job(TEST_USER)
        j.set_attributes(a)
        j.set_sleep_time("10")
        jid = self.server.submit(j)
        self.server.expect(JOB, {
            'Resource_List.ncpus': 5,
            'Resource_List.walltime': '00:10:00'},
            offset=2, id=jid)