60 lines
2.3 KiB
Python
60 lines
2.3 KiB
Python
"""
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Test lldb 'commands regex' command which allows the user to create a regular expression command.
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"""
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import os
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import unittest2
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import lldb
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from lldbtest import *
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class CommandRegexTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@expectedFailureFreeBSD("llvm.org/pr22784: pexpect failing on the FreeBSD buildbot")
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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def test_command_regex(self):
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"""Test a simple scenario of 'command regex' invocation and subsequent use."""
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import pexpect
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prompt = "(lldb) "
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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"
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regex_prompt1 = "\r\n"
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child = pexpect.spawn('%s %s' % (self.lldbHere, self.lldbOption))
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# Turn on logging for what the child sends back.
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if self.TraceOn():
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child.logfile_read = sys.stdout
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# So that the spawned lldb session gets shutdown durng teardown.
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self.child = child
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# Substitute 'Help!' for 'help' using the 'commands regex' mechanism.
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child.expect_exact(prompt)
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child.sendline("command regex 'Help__'")
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child.expect_exact(regex_prompt)
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child.sendline('s/^$/help/')
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child.expect_exact(regex_prompt1)
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child.sendline('')
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child.expect_exact(prompt)
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# Help!
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child.sendline('Help__')
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# If we see the familiar 'help' output, the test is done.
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child.expect('Debugger commands:')
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# Try and incorrectly remove "Help__" using "command unalias" and verify we fail
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child.sendline('command unalias Help__')
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child.expect_exact("error: 'Help__' is not an alias, it is a debugger command which can be removed using the 'command delete' command")
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child.expect_exact(prompt)
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# Delete the regex command using "command delete"
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child.sendline('command delete Help__')
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child.expect_exact(prompt)
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# Verify the command was removed
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child.sendline('Help__')
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child.expect_exact("error: 'Help__' is not a valid command")
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child.expect_exact(prompt)
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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