def test_elf_linker(fizz_buzz, expected_linker_path):
# Found by running `readelf -l fizz-buzz`.
fizz_buzz_elf = Elf(fizz_buzz, chroot=chroot)
expected_linker_path = os.path.join(
chroot, os.path.relpath(expected_linker_path, '/'))
assert fizz_buzz_elf.linker_file.path == expected_linker_path, \
'The correct linker should be extracted from the ELF program header.'
def test_elf_direct_dependencies(fizz_buzz):
fizz_buzz_elf = Elf(fizz_buzz, chroot=chroot)
dependencies = fizz_buzz_elf.direct_dependencies
assert all(file.path.startswith(chroot) for file in dependencies), \
'All dependencies should be located within the chroot.'
assert len(dependencies), 'There should be at least one dependency.'
# These don't apply to the musl binary.
if 'glib' in fizz_buzz:
assert len(dependencies) == 2, 'The linker and libc should be the only dependencies.'
assert any('libc.so' in file.path for file in dependencies), \
'"libc" was not found as a direct dependency of the executable.'
def test_elf_type(fizz_buzz, expected_type):
elf = Elf(fizz_buzz, chroot=chroot)
assert elf.type == expected_type, 'Fizz buzz should match the expected ELF binary type.'
def test_elf_dependencies(fizz_buzz):
fizz_buzz_elf = Elf(fizz_buzz, chroot=chroot)
direct_dependencies = fizz_buzz_elf.direct_dependencies
all_dependencies = fizz_buzz_elf.dependencies
assert set(direct_dependencies).issubset(all_dependencies), \
'The direct dependencies should be a subset of all dependencies.'
def test_elf_bits(fizz_buzz, bits):
fizz_buzz_elf = Elf(fizz_buzz, chroot=chroot)
# Can be checked by running `file fizz-buzz`.
assert fizz_buzz_elf.bits == bits, \
'The fizz buzz executable should be %d-bit.' % bits