Charles Zablit 6b9a1f38fe
[lldb-dap][windows] deactivate TestDAP_attach.test_by_name_waitFor on Windows (#172880)
Attaching by name on Windows is not implemented yet.
2025-12-18 20:01:27 +00:00

114 lines
3.8 KiB
Python

"""
Test lldb-dap attach request
"""
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
import lldbdap_testcase
import subprocess
import threading
import time
# Often fails on Arm Linux, but not specifically because it's Arm, something in
# process scheduling can cause a massive (minutes) delay during this test.
@skipIf(oslist=["linux"], archs=["arm$"])
class TestDAP_attach(lldbdap_testcase.DAPTestCaseBase):
def spawn(self, args):
self.process = subprocess.Popen(
args,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True,
)
def spawn_and_wait(self, program, delay):
time.sleep(delay)
self.spawn([program])
self.process.wait()
def continue_and_verify_pid(self):
self.do_continue()
out, _ = self.process.communicate("foo")
self.assertIn(f"pid = {self.process.pid}", out)
def test_by_pid(self):
"""
Tests attaching to a process by process ID.
"""
program = self.build_and_create_debug_adapter_for_attach()
self.spawn([program])
self.attach(pid=self.process.pid)
self.continue_and_verify_pid()
def test_by_name(self):
"""
Tests attaching to a process by process name.
"""
program = self.build_and_create_debug_adapter_for_attach()
# Use a file as a synchronization point between test and inferior.
pid_file_path = lldbutil.append_to_process_working_directory(
self, "pid_file_%d" % (int(time.time()))
)
self.spawn([program, pid_file_path])
lldbutil.wait_for_file_on_target(self, pid_file_path)
self.attach(program=program)
self.continue_and_verify_pid()
@expectedFailureWindows
def test_by_name_waitFor(self):
"""
Tests waiting for, and attaching to a process by process name that
doesn't exist yet.
"""
program = self.build_and_create_debug_adapter_for_attach()
self.spawn_thread = threading.Thread(
target=self.spawn_and_wait,
args=(
program,
1.0,
),
)
self.spawn_thread.start()
self.attach(program=program, waitFor=True)
self.continue_and_verify_pid()
def test_attach_with_missing_debuggerId_or_targetId(self):
"""
Test that attaching with only one of debuggerId/targetId specified
fails with the expected error message.
"""
self.build_and_create_debug_adapter()
# Test with only targetId specified (no debuggerId)
resp = self.attach(targetId=99999, expectFailure=True)
self.assertFalse(resp["success"])
self.assertIn(
"Both debuggerId and targetId must be specified together",
resp["body"]["error"]["format"],
)
def test_attach_with_invalid_debuggerId_and_targetId(self):
"""
Test that attaching with both debuggerId and targetId specified but
invalid fails with an appropriate error message.
"""
self.build_and_create_debug_adapter()
# Attach with both debuggerId=9999 and targetId=99999 (both invalid).
# Since debugger ID 9999 likely doesn't exist in the global registry,
# we expect a validation error.
resp = self.attach(debuggerId=9999, targetId=99999, expectFailure=True)
self.assertFalse(resp["success"])
error_msg = resp["body"]["error"]["format"]
# Either error is acceptable - both indicate the debugger reuse
# validation is working correctly
self.assertTrue(
"Unable to find existing debugger" in error_msg
or f"Expected debugger/target not found error, got: {error_msg}"
)