#!/usr/bin/env python
# test generated python code from pidl
# Andrew Tridgell August 2010
#
# to run this test, use one of these:
#
#    python -m testtools.run samba.tests.dcerpc.rpc_talloc
#
# or if you have trial installed (from twisted), use
#
#    trial samba.tests.dcerpc.rpc_talloc

import sys

sys.path.insert(0, "bin/python")

import samba
import samba.tests
from samba.dcerpc import drsuapi

samba.talloc_enable_null_tracking()

class TallocTests(samba.tests.TestCase):
    '''test talloc behaviour of pidl generated python code'''


    def check_blocks(self, object, num_expected):
        '''check that the number of allocated blocks is correct'''
        nblocks = samba.talloc_total_blocks(object)
        if object is None:
            nblocks -= self.initial_blocks
        self.assertEquals(nblocks, num_expected)


    def get_rodc_partial_attribute_set(self):
        '''get a list of attributes for RODC replication'''
        partial_attribute_set = drsuapi.DsPartialAttributeSet()

        # we expect one block for the object, and one for the structure
        self.check_blocks(partial_attribute_set, 2)

        attids = [ 1, 2, 3]
        partial_attribute_set.version = 1
        partial_attribute_set.attids     = attids
        partial_attribute_set.num_attids = len(attids)

        # we expect one block object, a structure, an ARRAY, and a
        # reference to the array
        self.check_blocks(partial_attribute_set, 4)

        return partial_attribute_set

    def pas_test(self):
        pas = self.get_rodc_partial_attribute_set()
        self.check_blocks(pas, 4)
        req8 = drsuapi.DsGetNCChangesRequest8()
        self.check_blocks(req8, 2)
        self.check_blocks(None, 6)
        req8.partial_attribute_set = pas
        if req8.partial_attribute_set.attids[1] != 2:
            raise Exception("Wrong value in attids[2]")
        # we now get an additional reference
        samba.talloc_report_full(None)
        self.check_blocks(None, 7)

    def test_run(self):
        self.initial_blocks = samba.talloc_total_blocks(None)
        self.check_blocks(None, 0)
        self.pas_test()
        self.check_blocks(None, 0)