4aafc479f2
Always clean up subprocesses on tear down instead of relying on the caller to do so. This is not only less error prone but also means the tests can be more concise. Differential revision: https://reviews.llvm.org/D83787
75 lines
2.5 KiB
Python
75 lines
2.5 KiB
Python
"""
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Test reproducer attach.
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"""
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import lldb
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import tempfile
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from lldbsuite.test import lldbtest_config
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class ReproducerAttachTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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NO_DEBUG_INFO_TESTCASE = True
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@skipIfFreeBSD
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@skipIfNetBSD
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@skipIfWindows
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@skipIfRemote
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@skipIfiOSSimulator
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@skipIfReproducer
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def test_reproducer_attach(self):
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"""Test thread creation after process attach."""
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exe = '%s_%d' % (self.testMethodName, os.getpid())
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token = self.getBuildArtifact(exe + '.token')
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if os.path.exists(token):
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os.remove(token)
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reproducer = self.getBuildArtifact(exe + '.reproducer')
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if os.path.exists(reproducer):
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try:
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shutil.rmtree(reproducer)
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except OSError:
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pass
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self.build(dictionary={'EXE': exe})
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inferior = self.spawnSubprocess(self.getBuildArtifact(exe), [token])
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pid = inferior.pid
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lldbutil.wait_for_file_on_target(self, token)
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# Use Popen because pexpect is overkill and spawnSubprocess is
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# asynchronous.
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capture = subprocess.Popen([
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lldbtest_config.lldbExec, '-b', '--no-lldbinit', '--no-use-colors']
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+ sum(map(lambda x: ['-O', x], self.setUpCommands()), [])
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+ ['--capture', '--capture-path', reproducer,
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'-o', 'proc att -n {}'.format(exe), '-o', 'reproducer generate'
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],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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outs, _ = capture.communicate()
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outs = outs.decode('utf-8')
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self.assertIn('Process {} stopped'.format(pid), outs)
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self.assertIn('Reproducer written', outs)
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# Check that replay works.
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replay = subprocess.Popen(
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[lldbtest_config.lldbExec, '-replay', reproducer],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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outs, _ = replay.communicate()
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outs = outs.decode('utf-8')
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self.assertIn('Process {} stopped'.format(pid), outs)
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# We can dump the reproducer in the current context.
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self.expect('reproducer dump -f {} -p process'.format(reproducer),
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substrs=['pid = {}'.format(pid), 'name = {}'.format(exe)])
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