python/test_xrelfo.py

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2 # some basic tests for xrelfo & the python ELF machinery
   3 #
   4 # Copyright (C) 2020  David Lamparter for NetDEF, Inc.
   5
   6 import sys
   7 import os
   8 import pytest
   9 from pprint import pprint
  10
  11 root = os.path.dirname(os.path.dirname(__file__))
  12 sys.path.append(os.path.join(root, "python"))
  13
  14 import xrelfo
  15 from clippy import elf, uidhash
  16
  17
  18 def test_uidhash():
  19     assert uidhash.uidhash("lib/test_xref.c", "logging call", 3, 0) == "H7KJB-67TBH"
  20
  21
  22 def test_xrelfo_other():
  23     for data in [
  24         elf.ELFNull(),
  25         elf.ELFUnresolved("somesym", 0),
  26     ]:
  27
  28         dissect = xrelfo.XrefPtr(data)
  29         print(repr(dissect))
  30
  31         with pytest.raises(AttributeError):
  32             dissect.xref
  33
  34
  35 def test_xrelfo_obj():
  36     xrelfo_ = xrelfo.Xrelfo()
  37     edf = xrelfo_.load_elf(os.path.join(root, "lib/.libs/zclient.o"), "zclient.lo")
  38     xrefs = xrelfo_._xrefs
  39
  40     with pytest.raises(elf.ELFAccessError):
  41         edf[0:4]
  42
  43     pprint(xrefs[0])
  44     pprint(xrefs[0]._data)
  45
  46
  47 def test_xrelfo_bin():
  48     xrelfo_ = xrelfo.Xrelfo()
  49     edf = xrelfo_.load_elf(os.path.join(root, "lib/.libs/libfrr.so"), "libfrr.la")
  50     xrefs = xrelfo_._xrefs
  51
  52     assert edf[0:4] == b"\x7fELF"
  53
  54     pprint(xrefs[0])
  55     pprint(xrefs[0]._data)