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# Copyright (c) Meta Platforms, Inc. and affiliates.
# SPDX-License-Identifier: LGPL-2.1-or-later
import os
import shlex
from tests.linux_kernel import skip_unless_have_test_kmod
from tests.linux_kernel.crash_commands import CrashCommandTestCase
@skip_unless_have_test_kmod
class TestMod(CrashCommandTestCase):
def test_no_options(self):
cmd = self.check_crash_command("mod")
self.assertIn("drgn_test", cmd.stdout)
self.assertEqual(
cmd.drgn_option.globals["struct_module"].type_.type_name(),
"struct module *",
)
def test_taints(self):
cmd = self.check_crash_command("mod -t")
self.assertRegex(cmd.stdout, "drgn_test.*O")
self.assertIsInstance(cmd.drgn_option.globals["taints"], str)
def test_load(self):
cmd = self.check_crash_command("mod -s drgn_test")
self.assertIn("drgn_test", cmd.stdout)
self.assertIn("prog.load_module_debug_info", cmd.drgn_option.stdout)
def test_load_path(self):
cmd = self.check_crash_command(
f"mod -s drgn_test {shlex.quote(os.getenv('DRGN_TEST_KMOD'))}"
)
self.assertIn("drgn_test", cmd.stdout)
self.assertIn("module.try_file", cmd.drgn_option.stdout)
def test_load_all(self):
cmd = self.check_crash_command("mod -S")
self.assertIn("drgn_test", cmd.stdout)
self.assertIn("prog.load_default_debug_info", cmd.drgn_option.stdout)
def test_load_all_directory(self):
cmd = self.check_crash_command("mod -S /dev/null")
self.assertIn("drgn_test", cmd.stdout)
self.assertIn(
"prog.debug_info_options.kernel_directories", cmd.drgn_option.stdout
)
self.assertIn("prog.load_default_debug_info", cmd.drgn_option.stdout)
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