forked from OSchip/llvm-project
removed darwin_log.py file from previous check-in
This file was not intended to be part of the last check-in. llvm-svn: 275478
This commit is contained in:
Todd Fiala
parent
6ccb257925
commit
da2f494992
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"""
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Base class for DarwinLog tests.
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"""
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from __future__ import print_function
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import lldb
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import os
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import pexpect
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import re
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import sys
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from lldbsuite.test import decorators
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from lldbsuite.test import lldbtest
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from lldbsuite.test import lldbtest_config
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from lldbsuite.test import lldbutil
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class DarwinLogTestBase(lldbtest.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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super(DarwinLogTestBase, self).setUp()
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self.child = None
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self.child_prompt = '(lldb) '
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self.strict_sources = False
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def run_lldb_to_breakpoint(self, exe, source_file, line,
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settings_commands=None):
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# Set self.child_prompt, which is "(lldb) ".
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prompt = self.child_prompt
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# So that the child gets torn down after the test.
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self.child = pexpect.spawn('%s %s %s' % (lldbtest_config.lldbExec,
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self.lldbOption, exe))
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child = self.child
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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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# Disable showing of source lines at our breakpoint.
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# This is necessary for the logging tests, because the very
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# text we want to match for output from the running inferior
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# will show up in the source as well. We don't want the source
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# output to erroneously make a match with our expected output.
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self.runCmd("settings set stop-line-count-before 0")
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self.expect_prompt()
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self.runCmd("settings set stop-line-count-after 0")
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self.expect_prompt()
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# This setting is required to be set to true in order to get LLDB to set
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# the environment variable required by libtrace to have it respect our
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# 'plugin structured-data darwin-log source enable/disable' settings.
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# Without that, libtrace assumes we want all types of messages when
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# attaching with a debugger.
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setting = "strict-sources " + "true" if self.strict_sources else "false"
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self.runCmd(self.expand_darwinlog_settings_set_command(setting))
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self.expect_prompt()
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# Run any darwin-log settings commands now, before we enable logging.
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if settings_commands is not None:
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for setting_command in settings_commands:
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self.runCmd(
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self.expand_darwinlog_settings_set_command(setting_command))
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self.expect_prompt()
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# child.expect_exact(prompt)
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child.sendline('breakpoint set -f %s -l %d' % (source_file, line))
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child.expect_exact(prompt)
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child.sendline('run')
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child.expect_exact(prompt)
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# Ensure we stopped at a breakpoint.
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self.runCmd("thread list")
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self.expect(re.compile(r"stop reason = breakpoint"))
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# Now we're ready to check if DarwinLog is available.
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if not self.darwin_log_available():
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self.skip("DarwinLog not available")
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def runCmd(self, cmd):
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self.child.sendline(cmd)
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def expect_prompt(self, exactly=True):
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self.expect(self.child_prompt, exactly=exactly)
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def expect(self, pattern, exactly=False, *args, **kwargs):
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if exactly:
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return self.child.expect_exact(pattern, *args, **kwargs)
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return self.child.expect(pattern, *args, **kwargs)
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def darwin_log_available(self):
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self.runCmd("plugin structured-data darwin-log status")
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self.expect(re.compile(r"Availability: ([\S]+)"))
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return self.child.match is not None and (
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self.child.match.group(1) == "available")
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@classmethod
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def expand_darwinlog_command(cls, command):
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return "plugin structured-data darwin-log " + command
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@classmethod
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def expand_darwinlog_settings_set_command(cls, command):
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return "settings set plugin.structured-data.darwin-log." + command
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def do_test(self, logging_setup_commands, expect_regexes=None,
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settings_commands=None):
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"""Test that a single fall-through reject rule rejects all logging."""
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self.build(dictionary=self.d)
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self.setTearDownCleanup(dictionary=self.d)
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exe = os.path.join(os.getcwd(), self.exe_name)
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self.run_lldb_to_breakpoint(exe, self.source, self.line,
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settings_commands=settings_commands)
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self.expect_prompt()
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# Run each of the logging setup commands.
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for setup_command in logging_setup_commands:
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self.runCmd(self.expand_darwinlog_command(setup_command))
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self.expect_prompt()
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# Enable logging.
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self.runCmd(self.expand_darwinlog_command("enable"))
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self.expect_prompt()
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# Now go.
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self.runCmd("process continue")
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if expect_regexes is None:
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# Expect matching a log line or program exit.
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# Test methods determine which ones are valid.
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expect_regexes = (
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[re.compile(r"source-log-([^-]+)-(\S+)"),
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re.compile(r"exited with status")
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])
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self.expect(expect_regexes)
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