97 lines · python
1"""2Test lldb logging. This test just makes sure logging doesn't crash, and produces some output.3"""4 5 6import os7import lldb8from lldbsuite.test.decorators import *9from lldbsuite.test.lldbtest import *10from lldbsuite.test import lldbutil11 12 13class LogTestCase(TestBase):14 NO_DEBUG_INFO_TESTCASE = True15 16 def setUp(self):17 super(LogTestCase, self).setUp()18 self.log_file = self.getBuildArtifact("log-file.txt")19 20 def test_file_writing(self):21 self.build()22 exe = self.getBuildArtifact("a.out")23 self.expect("file " + exe, patterns=["Current executable set to .*a.out"])24 25 if os.path.exists(self.log_file):26 os.remove(self.log_file)27 28 # By default, Debugger::EnableLog() will set log options to29 # PREPEND_THREAD_NAME + OPTION_THREADSAFE. We don't want the30 # threadnames here, so we enable just threadsafe (-t).31 self.runCmd("log enable -f '%s' lldb commands" % (self.log_file))32 33 self.runCmd("command alias bp breakpoint")34 35 self.runCmd("bp set -n main")36 37 self.runCmd("bp l")38 39 self.runCmd("log disable lldb")40 41 self.assertTrue(os.path.isfile(self.log_file))42 43 with open(self.log_file, "r") as f:44 log_lines = f.read()45 os.remove(self.log_file)46 47 self.assertGreater(len(log_lines), 0, "Something was written to the log file.")48 49 # Check that lldb truncates its log files50 def test_log_truncate(self):51 # put something in our log file52 with open(self.log_file, "w") as f:53 for i in range(1, 1000):54 f.write("bacon\n")55 56 self.runCmd("log enable -f '%s' lldb commands" % self.log_file)57 self.runCmd("help log")58 self.runCmd("log disable lldb")59 60 self.assertTrue(os.path.isfile(self.log_file))61 with open(self.log_file, "r") as f:62 contents = f.read()63 64 # check that it got removed65 self.assertEqual(contents.find("bacon"), -1)66 67 # Check that lldb can append to a log file68 def test_log_append(self):69 # put something in our log file70 with open(self.log_file, "w") as f:71 f.write("bacon\n")72 73 self.runCmd("log enable -a -f '%s' lldb commands" % self.log_file)74 self.runCmd("help log")75 self.runCmd("log disable lldb")76 77 self.assertTrue(os.path.isfile(self.log_file))78 with open(self.log_file, "r") as f:79 contents = f.read()80 81 # check that it is still there82 self.assertEqual(contents.find("bacon"), 0)83 84 # Enable all log options and check that nothing crashes.85 @skipIfWindows86 def test_all_log_options(self):87 if os.path.exists(self.log_file):88 os.remove(self.log_file)89 90 self.runCmd(91 "log enable -v -s -T -p -n -S -F -f '%s' lldb commands" % self.log_file92 )93 self.runCmd("help log")94 self.runCmd("log disable lldb")95 96 self.assertTrue(os.path.isfile(self.log_file))97