def test_with_fantasy_unused(self):
"""Test against a fantasy executable with fantasy unused."""
# pylint: disable=line-too-long
with tests.MockLdd(out=textwrap.dedent('''\
\tlinux-vdso.so.1 (0x00007ffd66ce2000)
\tlibm.so.6 => /lib64/libm.so.6 (0x00007f72b7e76000)\n'''
),
out_unused=textwrap.dedent('''\
Unused direct dependencies:
\t/lib64/libm.so.6\n''')):
# pylint: enable=line-too-long
deps = lddwrap.list_dependencies(path=pathlib.Path("/bin/dir"),
unused=True)
unused = [dep for dep in deps if dep.unused]
expected_unused = [
lddwrap.Dependency(soname="libm.so.6",
path=pathlib.Path("/lib64/libm.so.6"),
found=True,
mem_address="0x00007f72b7e76000",
unused=True)
]
self.assertEqual(len(expected_unused), len(unused))
for i, (dep, exp_dep) in enumerate(zip(unused, expected_unused)):
self.assertListEqual(
[], diff_dependencies(ours=dep, theirs=exp_dep),
"Mismatch at the unused dependency {}".format(i))
def test_sorting_by_all_attributes(self) -> None:
# pylint: disable=line-too-long
with tests.MockLdd(out=textwrap.dedent('''\
\tlinux-vdso.so.1 (0x00007ffd66ce2000)
\tlibselinux.so.1 => /lib/x86_64-linux-gnu/libselinux.so.1 (0x00007f72b88fc000)
\tlibc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f72b850b000)
\tlibpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f72b8299000)
\tlibdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f72b8095000)
\t/lib64/ld-linux-x86-64.so.2 (0x00007f72b8d46000)
\tlibpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f72b7e76000)\n'''
),
out_unused=''):
# pylint: enable=line-too-long
for attr in lddwrap.DEPENDENCY_ATTRIBUTES:
deps = lddwrap.list_dependencies(path=pathlib.Path("/bin/dir"),
unused=True)
# pylint: disable=protected-access
lddwrap._sort_dependencies_in_place(deps=deps, sort_by=attr)
previous = getattr(deps[0], attr)
previous = '' if previous is None else str(previous)
for i in range(1, len(deps)):
current = getattr(deps[i], attr)
current = '' if current is None else str(current)
self.assertLessEqual(
previous, current,
("The dependencies must be sorted according to "
"attribute {!r}: {!r}").format(attr, deps))
def test_sorted_with_specific_attribute(self):
buf = io.StringIO()
stream = cast(TextIO, buf)
args = lddwrap.main.parse_args(
sys_argv=["some-executable.py", "/bin/pwd", "--sorted", "path"])
with tests.MockLdd(out=textwrap.dedent('''\
\tlinux-vdso.so.1 (0x00007ffe0953f000)
\tlibc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fd548353000)
\t/lib64/ld-linux-x86-64.so.2 (0x00007fd54894d000)\n'''),
out_unused=''):
retcode = lddwrap.main._main(args=args, stream=stream)
self.assertEqual(0, retcode)
# pylint: disable=trailing-whitespace
expected_output = textwrap.dedent("""\
soname | path | found | mem_address | unused
----------------+---------------------------------+-------+--------------------+-------
linux-vdso.so.1 | None | True | 0x00007ffe0953f000 | False
libc.so.6 | /lib/x86_64-linux-gnu/libc.so.6 | True | 0x00007fd548353000 | False
None | /lib64/ld-linux-x86-64.so.2 | True | 0x00007fd54894d000 | False
""")
output = textwrap.dedent(buf.getvalue())
self.assertEqual(expected_output, output)
def test_with_static_library(self) -> None:
"""Test against a fantasy static library."""
with tempfile.TemporaryDirectory() as tmp_dir:
lib_pth = pathlib.Path(tmp_dir) / "my_static_lib.so"
lib_pth.write_text("totally static!")
with tests.MockLdd(out=textwrap.dedent('''\
my_static_lib.so:
\tstatically linked\n'''),
out_unused=''):
# pylint: enable=line-too-long
deps = lddwrap.list_dependencies(path=lib_pth, unused=True)
# The dependencies are empty since the library is
# statically linked.
self.assertListEqual([], deps)
def test_bin_dir_with_empty_unused(self):
# pylint: disable=line-too-long
with tests.MockLdd(out=textwrap.dedent('''\
\tlinux-vdso.so.1 (0x00007ffd66ce2000)
\tlibselinux.so.1 => /lib/x86_64-linux-gnu/libselinux.so.1 (0x00007f72b88fc000)
\tlibc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f72b850b000)
\tlibpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f72b8299000)
\tlibdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f72b8095000)
\t/lib64/ld-linux-x86-64.so.2 (0x00007f72b8d46000)
\tlibpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f72b7e76000)\n'''
),
out_unused=''):
# pylint: enable=line-too-long
deps = lddwrap.list_dependencies(path=pathlib.Path("/bin/dir"),
unused=True)
unused = [dep for dep in deps if dep.unused]
self.assertListEqual([], unused)
def test_pwd(self):
"""Test parsing the captured output of ``ldd`` on ``/bin/pwd``."""
with tests.MockLdd(out=textwrap.dedent('''\
\tlinux-vdso.so.1 (0x00007ffe0953f000)
\tlibc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fd548353000)
\t/lib64/ld-linux-x86-64.so.2 (0x00007fd54894d000)\n'''),
out_unused=''):
deps = lddwrap.list_dependencies(path=pathlib.Path('/bin/pwd'),
unused=False)
expected_deps = [
lddwrap.Dependency(soname="linux-vdso.so.1",
path=None,
found=True,
mem_address="0x00007ffe0953f000",
unused=None),
lddwrap.Dependency(
soname='libc.so.6',
path=pathlib.Path("/lib/x86_64-linux-gnu/libc.so.6"),
found=True,
mem_address="0x00007fd548353000",
unused=None),
lddwrap.Dependency(
soname=None,
path=pathlib.Path("/lib64/ld-linux-x86-64.so.2"),
found=True,
mem_address="0x00007fd54894d000",
unused=None)
]
self.assertEqual(len(expected_deps), len(deps))
for i, (dep, expected_dep) in enumerate(zip(deps, expected_deps)):
self.assertListEqual([],
diff_dependencies(ours=dep,
theirs=expected_dep),
"Mismatch at the dependency {}".format(i))
def test_bin_dir(self):
"""Test parsing the captured output of ``ldd`` on ``/bin/dir``."""
# pylint: disable=line-too-long
with tests.MockLdd(out=textwrap.dedent('''\
\tlinux-vdso.so.1 (0x00007ffd66ce2000)
\tlibselinux.so.1 => /lib/x86_64-linux-gnu/libselinux.so.1 (0x00007f72b88fc000)
\tlibc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f72b850b000)
\tlibpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f72b8299000)
\tlibdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f72b8095000)
\t/lib64/ld-linux-x86-64.so.2 (0x00007f72b8d46000)
\tlibpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f72b7e76000)\n'''
),
out_unused=''):
# pylint: enable=line-too-long
deps = lddwrap.list_dependencies(path=pathlib.Path('/bin/dir'),
unused=False)
expected_deps = [
lddwrap.Dependency(soname="linux-vdso.so.1",
path=None,
found=True,
mem_address="0x00007ffd66ce2000",
unused=None),
lddwrap.Dependency(
soname="libselinux.so.1",
path=pathlib.Path("/lib/x86_64-linux-gnu/libselinux.so.1"),
found=True,
mem_address="0x00007f72b88fc000",
unused=None),
lddwrap.Dependency(
soname="libc.so.6",
path=pathlib.Path("/lib/x86_64-linux-gnu/libc.so.6"),
found=True,
mem_address="0x00007f72b850b000",
unused=None),
lddwrap.Dependency(
soname="libpcre.so.3",
path=pathlib.Path("/lib/x86_64-linux-gnu/libpcre.so.3"),
found=True,
mem_address="0x00007f72b8299000",
unused=None),
lddwrap.Dependency(
soname="libdl.so.2",
path=pathlib.Path("/lib/x86_64-linux-gnu/libdl.so.2"),
found=True,
mem_address="0x00007f72b8095000",
unused=None),
lddwrap.Dependency(
soname=None,
path=pathlib.Path("/lib64/ld-linux-x86-64.so.2"),
found=True,
mem_address="0x00007f72b8d46000",
unused=None),
lddwrap.Dependency(
soname="libpthread.so.0",
path=pathlib.Path("/lib/x86_64-linux-gnu/libpthread.so.0"),
found=True,
mem_address="0x00007f72b7e76000",
unused=None),
]
self.assertEqual(len(expected_deps), len(deps))
for i, (dep, expected_dep) in enumerate(zip(deps, expected_deps)):
self.assertListEqual([],
diff_dependencies(ours=dep,
theirs=expected_dep),
"Mismatch at the dependency {}".format(i))