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"""
Test lldb process launch flags.
"""
from __future__ import print_function
import os, time
import lldb
from lldbsuite.test.lldbtest import *
class ProcessLaunchTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# disable "There is a running process, kill it and restart?" prompt
self.runCmd("settings set auto-confirm true")
self.addTearDownHook(lambda: self.runCmd("settings clear auto-confirm"))
@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
@expectedFailureLinux("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 communicated correctly to the lldb-server."""
d = {'CXX_SOURCES' : 'print_env.cpp'}
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)
process = target.LaunchSimple(None, ['EVIL=' + evil_var], self.get_process_working_directory())
self.assertEqual(process.GetState(), lldb.eStateExited, PROCESS_EXITED)
out = process.GetSTDOUT(len(evil_var))
self.assertIsNotNone(out, "Encountered an error reading the process's output")
out = out[:len(evil_var)]
if out != evil_var:
self.fail('The environment variable was mis-coded: %s\n' % repr(out))
newline = process.GetSTDOUT(1)
self.assertIsNotNone(newline, "Encountered an error reading the process's output")
newline = newline[0]
if newline != '\r' and newline != '\n':
self.fail('Garbage at end of environment variable')
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