201 lines
6.8 KiB
Python
201 lines
6.8 KiB
Python
"""
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Test lldb process launch flags.
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"""
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from __future__ import print_function
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import os
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class ProcessLaunchTestCase(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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self.runCmd("settings set auto-confirm true")
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def tearDown(self):
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self.runCmd("settings clear auto-confirm")
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TestBase.tearDown(self)
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@skipIfRemote
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def test_io(self):
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"""Test that process launch I/O redirection flags work properly."""
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self.build()
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exe = self.getBuildArtifact("a.out")
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self.expect("file " + exe,
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patterns=["Current executable set to .*a.out"])
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in_file = os.path.join(self.getSourceDir(), "input-file.txt")
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out_file = lldbutil.append_to_process_working_directory(self, "output-test.out")
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err_file = lldbutil.append_to_process_working_directory(self, "output-test.err")
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# Make sure the output files do not exist before launching the process
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try:
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os.remove(out_file)
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except OSError:
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pass
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try:
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os.remove(err_file)
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except OSError:
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pass
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launch_command = "process launch -i '{0}' -o '{1}' -e '{2}' -w '{3}'".format(
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in_file, out_file, err_file, self.get_process_working_directory())
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if lldb.remote_platform:
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self.runCmd('platform put-file "{local}" "{remote}"'.format(
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local=in_file, remote=in_file))
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self.expect(launch_command,
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patterns=["Process .* launched: .*a.out"])
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success = True
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err_msg = ""
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out = lldbutil.read_file_on_target(self, out_file)
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if out != "This should go to stdout.\n":
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success = False
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err_msg = err_msg + " ERROR: stdout file does not contain correct output.\n"
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err = lldbutil.read_file_on_target(self, err_file)
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if err != "This should go to stderr.\n":
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success = False
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err_msg = err_msg + " ERROR: stderr file does not contain correct output.\n"
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if not success:
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self.fail(err_msg)
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# rdar://problem/9056462
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# The process launch flag '-w' for setting the current working directory
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# not working?
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@skipIfRemote
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@expectedFailureAll(oslist=["freebsd", "linux"], bugnumber="llvm.org/pr20265")
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@expectedFailureNetBSD
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def test_set_working_dir_nonexisting(self):
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"""Test that '-w dir' fails to set the working dir when running the inferior with a dir which doesn't exist."""
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d = {'CXX_SOURCES': 'print_cwd.cpp'}
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self.build(dictionary=d)
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self.setTearDownCleanup(d)
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exe = self.getBuildArtifact("a.out")
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self.runCmd("file " + exe)
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mywd = 'my_working_dir'
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out_file_name = "my_working_dir_test.out"
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err_file_name = "my_working_dir_test.err"
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my_working_dir_path = self.getBuildArtifact(mywd)
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out_file_path = os.path.join(my_working_dir_path, out_file_name)
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err_file_path = os.path.join(my_working_dir_path, err_file_name)
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# Check that we get an error when we have a nonexisting path
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invalid_dir_path = mywd + 'z'
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launch_command = "process launch -w %s -o %s -e %s" % (
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invalid_dir_path, out_file_path, err_file_path)
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self.expect(
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launch_command, error=True, patterns=[
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"error:.* No such file or directory: %s" %
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invalid_dir_path])
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@skipIfRemote
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def test_set_working_dir_existing(self):
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"""Test that '-w dir' sets the working dir when running the inferior."""
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d = {'CXX_SOURCES': 'print_cwd.cpp'}
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self.build(dictionary=d)
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self.setTearDownCleanup(d)
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exe = self.getBuildArtifact("a.out")
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self.runCmd("file " + exe)
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mywd = 'my_working_dir'
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out_file_name = "my_working_dir_test.out"
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err_file_name = "my_working_dir_test.err"
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my_working_dir_path = self.getBuildArtifact(mywd)
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lldbutil.mkdir_p(my_working_dir_path)
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out_file_path = os.path.join(my_working_dir_path, out_file_name)
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err_file_path = os.path.join(my_working_dir_path, err_file_name)
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# Make sure the output files do not exist before launching the process
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try:
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os.remove(out_file_path)
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os.remove(err_file_path)
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except OSError:
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pass
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launch_command = "process launch -w %s -o %s -e %s" % (
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my_working_dir_path, out_file_path, err_file_path)
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self.expect(launch_command,
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patterns=["Process .* launched: .*a.out"])
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success = True
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err_msg = ""
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# Check to see if the 'stdout' file was created
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try:
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out_f = open(out_file_path)
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except IOError:
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success = False
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err_msg = err_msg + "ERROR: stdout file was not created.\n"
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else:
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# Check to see if the 'stdout' file contains the right output
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line = out_f.readline()
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if self.TraceOn():
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print("line:", line)
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if not re.search(mywd, line):
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success = False
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err_msg = err_msg + "The current working directory was not set correctly.\n"
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out_f.close()
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# Try to delete the 'stdout' and 'stderr' files
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try:
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os.remove(out_file_path)
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os.remove(err_file_path)
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except OSError:
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pass
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if not success:
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self.fail(err_msg)
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def test_environment_with_special_char(self):
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"""Test that environment variables containing '*' and '}' are handled correctly by the inferior."""
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source = 'print_env.cpp'
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d = {'CXX_SOURCES': source}
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self.build(dictionary=d)
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self.setTearDownCleanup(d)
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evil_var = 'INIT*MIDDLE}TAIL'
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target = self.createTestTarget()
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main_source_spec = lldb.SBFileSpec(source)
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breakpoint = target.BreakpointCreateBySourceRegex(
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'// Set breakpoint here.', main_source_spec)
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process = target.LaunchSimple(None,
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['EVIL=' + evil_var],
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self.get_process_working_directory())
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self.assertEqual(
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process.GetState(),
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lldb.eStateStopped,
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PROCESS_STOPPED)
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threads = lldbutil.get_threads_stopped_at_breakpoint(
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process, breakpoint)
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self.assertEqual(len(threads), 1)
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frame = threads[0].GetFrameAtIndex(0)
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sbvalue = frame.EvaluateExpression("evil")
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value = sbvalue.GetSummary().strip('"')
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self.assertEqual(value, evil_var)
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process.Continue()
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self.assertState(process.GetState(), lldb.eStateExited, PROCESS_EXITED)
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