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"""
Test DarwinLog "source include debug-level" functionality provided by the
StructuredDataDarwinLog plugin.
These tests are currently only supported when running against Darwin
targets.
"""
from __future__ import print_function
import lldb
import os
import platform
import re
import sys
from lldbsuite.test import decorators
from lldbsuite.test import lldbtest
from lldbsuite.test import lldbtest_config
@decorators.skipUnlessDarwin
class DarwinNSLogOutputTestCase(lldbtest.TestBase):
NO_DEBUG_INFO_TESTCASE = True
mydir = lldbtest.TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
super(DarwinNSLogOutputTestCase, self).setUp()
self.child = None
self.child_prompt = '(lldb) '
self.strict_sources = False
# Source filename.
self.source = 'main.m'
# Output filename.
self.exe_name = 'a.out'
self.d = {'OBJC_SOURCES': self.source, 'EXE': self.exe_name}
# Locate breakpoint.
self.line = lldbtest.line_number(self.source, '// break here')
def tearDown(self):
# Shut down the process if it's still running.
if self.child:
self.runCmd('process kill')
self.expect_prompt()
self.runCmd('quit')
# Let parent clean up
super(DarwinNSLogOutputTestCase, self).tearDown()
def run_lldb_to_breakpoint(self, exe, source_file, line,
settings_commands=None):
# Set self.child_prompt, which is "(lldb) ".
prompt = self.child_prompt
# So that the child gets torn down after the test.
import pexpect
self.child = pexpect.spawn('%s %s %s' % (lldbtest_config.lldbExec,
self.lldbOption, exe))
child = self.child
# Turn on logging for what the child sends back.
if self.TraceOn():
child.logfile_read = sys.stdout
# Disable showing of source lines at our breakpoint.
# This is necessary for the logging tests, because the very
# text we want to match for output from the running inferior
# will show up in the source as well. We don't want the source
# output to erroneously make a match with our expected output.
self.runCmd("settings set stop-line-count-before 0")
self.expect_prompt()
self.runCmd("settings set stop-line-count-after 0")
self.expect_prompt()
# Run any test-specific settings commands now.
if settings_commands is not None:
for setting_command in settings_commands:
self.runCmd(setting_command)
self.expect_prompt()
# Set the breakpoint, and run to it.
child.sendline('breakpoint set -f %s -l %d' % (source_file, line))
child.expect_exact(prompt)
child.sendline('run')
child.expect_exact(prompt)
# Ensure we stopped at a breakpoint.
self.runCmd("thread list")
self.expect(re.compile(r"stop reason = breakpoint"))
def runCmd(self, cmd):
self.child.sendline(cmd)
def expect_prompt(self, exactly=True):
self.expect(self.child_prompt, exactly=exactly)
def expect(self, pattern, exactly=False, *args, **kwargs):
if exactly:
return self.child.expect_exact(pattern, *args, **kwargs)
return self.child.expect(pattern, *args, **kwargs)
def do_test(self, expect_regexes=None, settings_commands=None):
""" Run a test. """
self.build(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
exe = os.path.join(os.getcwd(), self.exe_name)
self.run_lldb_to_breakpoint(exe, self.source, self.line,
settings_commands=settings_commands)
self.expect_prompt()
# Now go.
self.runCmd("process continue")
self.expect(expect_regexes)
def test_nslog_output_is_displayed(self):
"""Test that NSLog() output shows up in the command-line debugger."""
self.do_test(expect_regexes=[
re.compile(r"(This is a message from NSLog)"),
re.compile(r"Process \d+ exited with status")
])
self.assertIsNotNone(self.child.match)
self.assertGreater(len(self.child.match.groups()), 0)
self.assertEqual(
"This is a message from NSLog",
self.child.match.group(1))
def test_nslog_output_is_suppressed_with_env_var(self):
"""Test that NSLog() output does not show up with the ignore env var."""
# This test will only work properly on macOS 10.12+. Skip it on earlier versions.
# This will require some tweaking on iOS.
match = re.match(r"^\d+\.(\d+)", platform.mac_ver()[0])
if match is None or int(match.group(1)) < 12:
self.skipTest("requires macOS 10.12 or higher")
self.do_test(
expect_regexes=[
re.compile(r"(This is a message from NSLog)"),
re.compile(r"Process \d+ exited with status")
],
settings_commands=[
"settings set target.env-vars "
"\"IDE_DISABLED_OS_ACTIVITY_DT_MODE=1\""
])
self.assertIsNotNone(self.child.match)
self.assertEqual(len(self.child.match.groups()), 0)
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