packages/Python/lldbsuite/test/functionalities/process_attach/TestProcessAttach.py

   1 """
   2 Test process attach.
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8 import os
   9 import time
  10 import lldb
  11 import shutil
  12 from lldbsuite.test.decorators import *
  13 from lldbsuite.test.lldbtest import *
  14 from lldbsuite.test import lldbutil
  15
  16 exe_name = "ProcessAttach"  # Must match Makefile
  17
  18
  19 class ProcessAttachTestCase(TestBase):
  20
  21     mydir = TestBase.compute_mydir(__file__)
  22
  23     NO_DEBUG_INFO_TESTCASE = True
  24
  25     @skipIfiOSSimulator
  26     @expectedFailureAll(oslist=['ios', 'watchos', 'tvos', 'bridgeos'], bugnumber="<rdar://problem/34538611>") # old lldb-server has race condition, launching an inferior and then launching debugserver in quick succession sometimes fails
  27     def test_attach_to_process_by_id(self):
  28         """Test attach by process id"""
  29         self.build()
  30         exe = self.getBuildArtifact(exe_name)
  31
  32         # Spawn a new process
  33         popen = self.spawnSubprocess(exe)
  34         self.addTearDownHook(self.cleanupSubprocesses)
  35
  36         self.runCmd("process attach -p " + str(popen.pid))
  37
  38         target = self.dbg.GetSelectedTarget()
  39
  40         process = target.GetProcess()
  41         self.assertTrue(process, PROCESS_IS_VALID)
  42
  43     @expectedFailureAll(oslist=['ios', 'watchos', 'tvos', 'bridgeos'], bugnumber="<rdar://problem/34538611>") # old lldb-server has race condition, launching an inferior and then launching debugserver in quick succession sometimes fails
  44     def test_attach_to_process_from_different_dir_by_id(self):
  45         """Test attach by process id"""
  46         newdir = self.getBuildArtifact("newdir")
  47         try:
  48             os.mkdir(newdir)
  49         except OSError as e:
  50             if e.errno != os.errno.EEXIST:
  51                 raise
  52         testdir = self.getBuildDir()
  53         exe = os.path.join(newdir, 'proc_attach')
  54         self.buildProgram('main.cpp', exe)
  55         self.addTearDownHook(lambda: shutil.rmtree(newdir))
  56
  57         # Spawn a new process
  58         popen = self.spawnSubprocess(exe)
  59         self.addTearDownHook(self.cleanupSubprocesses)
  60
  61         os.chdir(newdir)
  62         self.addTearDownHook(lambda: os.chdir(testdir))
  63         self.runCmd("process attach -p " + str(popen.pid))
  64
  65         target = self.dbg.GetSelectedTarget()
  66
  67         process = target.GetProcess()
  68         self.assertTrue(process, PROCESS_IS_VALID)
  69
  70     @expectedFailureAll(oslist=['ios', 'watchos', 'tvos', 'bridgeos'], bugnumber="<rdar://problem/34538611>") # old lldb-server has race condition, launching an inferior and then launching debugserver in quick succession sometimes fails
  71     def test_attach_to_process_by_name(self):
  72         """Test attach by process name"""
  73         self.build()
  74         exe = self.getBuildArtifact(exe_name)
  75
  76         # Spawn a new process
  77         popen = self.spawnSubprocess(exe)
  78         self.addTearDownHook(self.cleanupSubprocesses)
  79
  80         self.runCmd("process attach -n " + exe_name)
  81
  82         target = self.dbg.GetSelectedTarget()
  83
  84         process = target.GetProcess()
  85         self.assertTrue(process, PROCESS_IS_VALID)
  86
  87     def tearDown(self):
  88         # Destroy process before TestBase.tearDown()
  89         self.dbg.GetSelectedTarget().GetProcess().Destroy()
  90
  91         # Call super's tearDown().
  92         TestBase.tearDown(self)