llvm-project/lldb/test/functionalities/command_regex/TestCommandRegex.py

45 lines
1.5 KiB
Python

"""
Test lldb 'commands regex' command which allows the user to create a regular expression command.
"""
import os
import unittest2
import lldb
import pexpect
from lldbtest import *
class CommandRegexTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def test_command_regex(self):
"""Test a simple scenario of 'command regex' invocation and subsequent use."""
prompt = "(lldb) "
regex_prompt = "Enter one of more sed substitution commands in the form: 's/<regex>/<subst>/'.\r\nTerminate the substitution list with an empty line.\r\n"
regex_prompt1 = "\r\n"
child = pexpect.spawn('%s %s' % (self.lldbHere, self.lldbOption))
# Turn on logging for what the child sends back.
if self.TraceOn():
child.logfile_read = sys.stdout
# So that the spawned lldb session gets shutdown durng teardown.
self.child = child
# Substitute 'Help!' for 'help' using the 'commands regex' mechanism.
child.expect_exact(prompt)
child.sendline("command regex 'Help__'")
child.expect_exact(regex_prompt)
child.sendline('s/^$/help/')
child.expect_exact(regex_prompt1)
child.sendline('')
# Help!
child.sendline('Help__')
# If we see the familiar 'help' output, the test is done.
child.expect('The following is a list of built-in, permanent debugger commands:')
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()