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