| """ | |
| Test lldb logging. This test just makes sure logging doesn't crash, and produces some output. | |
| """ | |
| import os | |
| import lldb | |
| from lldbsuite.test.decorators import * | |
| from lldbsuite.test.lldbtest import * | |
| from lldbsuite.test import lldbutil | |
| class LogTestCase(TestBase): | |
| NO_DEBUG_INFO_TESTCASE = True | |
| def setUp(self): | |
| super(LogTestCase, self).setUp() | |
| self.log_file = self.getBuildArtifact("log-file.txt") | |
| def test_file_writing(self): | |
| self.build() | |
| exe = self.getBuildArtifact("a.out") | |
| self.expect("file " + exe, patterns=["Current executable set to .*a.out"]) | |
| if os.path.exists(self.log_file): | |
| os.remove(self.log_file) | |
| # By default, Debugger::EnableLog() will set log options to | |
| # PREPEND_THREAD_NAME + OPTION_THREADSAFE. We don't want the | |
| # threadnames here, so we enable just threadsafe (-t). | |
| self.runCmd("log enable -f '%s' lldb commands" % (self.log_file)) | |
| self.runCmd("command alias bp breakpoint") | |
| self.runCmd("bp set -n main") | |
| self.runCmd("bp l") | |
| self.runCmd("log disable lldb") | |
| self.assertTrue(os.path.isfile(self.log_file)) | |
| with open(self.log_file, "r") as f: | |
| log_lines = f.read() | |
| os.remove(self.log_file) | |
| self.assertGreater(len(log_lines), 0, "Something was written to the log file.") | |
| # Check that lldb truncates its log files | |
| def test_log_truncate(self): | |
| # put something in our log file | |
| with open(self.log_file, "w") as f: | |
| for i in range(1, 1000): | |
| f.write("bacon\n") | |
| self.runCmd("log enable -f '%s' lldb commands" % self.log_file) | |
| self.runCmd("help log") | |
| self.runCmd("log disable lldb") | |
| self.assertTrue(os.path.isfile(self.log_file)) | |
| with open(self.log_file, "r") as f: | |
| contents = f.read() | |
| # check that it got removed | |
| self.assertEqual(contents.find("bacon"), -1) | |
| # Check that lldb can append to a log file | |
| def test_log_append(self): | |
| # put something in our log file | |
| with open(self.log_file, "w") as f: | |
| f.write("bacon\n") | |
| self.runCmd("log enable -a -f '%s' lldb commands" % self.log_file) | |
| self.runCmd("help log") | |
| self.runCmd("log disable lldb") | |
| self.assertTrue(os.path.isfile(self.log_file)) | |
| with open(self.log_file, "r") as f: | |
| contents = f.read() | |
| # check that it is still there | |
| self.assertEqual(contents.find("bacon"), 0) | |
| # Enable all log options and check that nothing crashes. | |
| @skipIfWindows | |
| def test_all_log_options(self): | |
| if os.path.exists(self.log_file): | |
| os.remove(self.log_file) | |
| self.runCmd( | |
| "log enable -v -s -T -p -n -S -F -f '%s' lldb commands" % self.log_file | |
| ) | |
| self.runCmd("help log") | |
| self.runCmd("log disable lldb") | |
| self.assertTrue(os.path.isfile(self.log_file)) |