Skip various tests under ASAN on green dragon (#90531)

using the macOS version as a proxy. I can't reproduce any of these
failures locally, but the tests all use pexpect and probably have bad
timeout behavior under high load.

Author: adrian-prantl

lldb/packages/Python/lldbsuite/test/decorators.py

@@ -206,6 +206,7 @@ def _decorateTest(
     remote=None,
     dwarf_version=None,
     setting=None,
+    asan=None,
 ):
     def fn(actual_debug_info=None):
         skip_for_os = _match_decorator_property(
@@ -256,6 +257,7 @@ def fn(actual_debug_info=None):
             )
         )
         skip_for_setting = (setting is None) or (setting in configuration.settings)
+        skip_for_asan = (asan is None) or is_running_under_asan()
 
         # For the test to be skipped, all specified (e.g. not None) parameters must be True.
         # An unspecified parameter means "any", so those are marked skip by default.  And we skip
@@ -273,6 +275,7 @@ def fn(actual_debug_info=None):
             (remote, skip_for_remote, "platform locality (remote/local)"),
             (dwarf_version, skip_for_dwarf_version, "dwarf version"),
             (setting, skip_for_setting, "setting"),
+            (asan, skip_for_asan, "running under asan"),
         ]
         reasons = []
         final_skip_result = True
@@ -331,6 +334,7 @@ def expectedFailureAll(
     remote=None,
     dwarf_version=None,
     setting=None,
+    asan=None,
 ):
     return _decorateTest(
         DecorateMode.Xfail,
@@ -348,6 +352,7 @@ def expectedFailureAll(
         remote=remote,
         dwarf_version=dwarf_version,
         setting=setting,
+        asan=asan,
     )
 
 
@@ -356,7 +361,7 @@ def expectedFailureAll(
 # for example,
 # @skipIf, skip for all platform/compiler/arch,
 # @skipIf(compiler='gcc'), skip for gcc on all platform/architecture
-# @skipIf(bugnumber, ["linux"], "gcc", ['>=', '4.9'], ['i386']), skip for gcc>=4.9 on linux with i386
+# @skipIf(bugnumber, ["linux"], "gcc", ['>=', '4.9'], ['i386']), skip for gcc>=4.9 on linux with i386 (all conditions must be true)
 def skipIf(
     bugnumber=None,
     oslist=None,
@@ -372,6 +377,7 @@ def skipIf(
     remote=None,
     dwarf_version=None,
     setting=None,
+    asan=None,
 ):
     return _decorateTest(
         DecorateMode.Skip,
@@ -389,6 +395,7 @@ def skipIf(
         remote=remote,
         dwarf_version=dwarf_version,
         setting=setting,
+        asan=asan,
     )
 
 

lldb/test/API/driver/batch_mode/TestBatchMode.py

@@ -13,6 +13,7 @@
 class DriverBatchModeTest(PExpectTest):
     source = "main.c"
 
+    @skipIf(macos_version=["<", "14.0"], asan=True)
     @skipIf(oslist=["linux"], archs=["arm", "aarch64"])  # Randomly fails on buildbot
     @expectedFlakeyFreeBSD("llvm.org/pr25172 fails rarely on the buildbot")
     def test_batch_mode_run_crash(self):
@@ -50,6 +51,7 @@ def test_batch_mode_run_crash(self):
         self.expect_prompt()
         self.expect("frame variable touch_me_not", substrs=["(char *) touch_me_not"])
 
+    @skipIf(macos_version=["<", "14.0"], asan=True)
     @skipIf(oslist=["linux"], archs=["arm", "aarch64"])  # Randomly fails on buildbot
     @expectedFlakeyFreeBSD("llvm.org/pr25172 fails rarely on the buildbot")
     def test_batch_mode_run_exit(self):
@@ -86,6 +88,7 @@ def test_batch_mode_run_exit(self):
 
         child.expect(pexpect.EOF)
 
+    @skipIf(macos_version=["<", "14.0"], asan=True)
     @skipIf(oslist=["linux"], archs=["arm", "aarch64"])  # Randomly fails on buildbot
     @expectedFlakeyFreeBSD("llvm.org/pr25172 fails rarely on the buildbot")
     def test_batch_mode_launch_stop_at_entry(self):
@@ -125,6 +128,7 @@ def closeVictim(self):
             self.victim.close()
             self.victim = None
 
+    @skipIf(macos_version=["<", "14.0"], asan=True)
     @skipIf(oslist=["linux"], archs=["arm", "aarch64"])  # Randomly fails on buildbot
     @expectedFlakeyFreeBSD("llvm.org/pr25172 fails rarely on the buildbot")
     @expectedFailureNetBSD

lldb/test/API/driver/job_control/TestJobControl.py

@@ -8,6 +8,7 @@
 
 
 class JobControlTest(PExpectTest):
+    @skipIf(macos_version=["<", "14.0"], asan=True)
     @skipIf(oslist=["linux"], archs=["arm", "aarch64"])
     def test_job_control(self):
         def post_spawn():

lldb/test/API/driver/quit_speed/TestQuitWithProcess.py

@@ -31,4 +31,4 @@ def test_run_quit(self):
         print("Got launch message")
         child.sendline("quit")
         print("sent quit")
-        child.expect(pexpect.EOF, timeout=15)
+        child.expect(pexpect.EOF, timeout=60)

lldb/test/API/iohandler/sigint/TestProcessIOHandlerInterrupt.py

@@ -11,6 +11,7 @@
 
 
 class TestCase(PExpectTest):
+    @skipIf(macos_version=["<", "14.0"], asan=True)
     @skipIf(compiler="clang", compiler_version=["<", "11.0"])
     @skipIf(oslist=["linux"], archs=["arm", "aarch64"])
     def test(self):

lldb/test/API/macosx/nslog/TestDarwinNSLogOutput.py

@@ -20,8 +20,6 @@
 class DarwinNSLogOutputTestCase(TestBase):
     NO_DEBUG_INFO_TESTCASE = True
 
-    @skipUnlessDarwin
-    @skipIfRemote  # this test is currently written using lldb commands & assumes running on local system
     def setUp(self):
         # Call super's setUp().
         TestBase.setUp(self)
@@ -119,6 +117,9 @@ def do_test(self, expect_regexes=None, settings_commands=None):
         self.runCmd("process continue")
         self.expect(expect_regexes)
 
+    @skipIf(oslist=["linux"], archs=["arm", "aarch64"])
+    @skipUnlessDarwin
+    @skipIfRemote  # this test is currently written using lldb commands & assumes running on local system
     def test_nslog_output_is_displayed(self):
         """Test that NSLog() output shows up in the command-line debugger."""
         self.do_test(
@@ -131,6 +132,9 @@ def test_nslog_output_is_displayed(self):
         self.assertGreater(len(self.child.match.groups()), 0)
         self.assertEqual("This is a message from NSLog", self.child.match.group(1))
 
+    @skipIf(oslist=["linux"], archs=["arm", "aarch64"])
+    @skipUnlessDarwin
+    @skipIfRemote  # this test is currently written using lldb commands & assumes running on local system
     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.

lldb/test/API/terminal/TestSTTYBeforeAndAfter.py

@@ -19,6 +19,7 @@ def classCleanup(cls):
         cls.RemoveTempFile("child_send2.txt")
         cls.RemoveTempFile("child_read2.txt")
 
+    @skipIf(macos_version=["<", "14.0"], asan=True)
     @add_test_categories(["pexpect"])
     @no_debug_info_test
     def test_stty_dash_a_before_and_afetr_invoking_lldb_command(self):