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"""
Test clang module build progress events.
"""
import os
import shutil
import lldb
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
class TestCase(TestBase):
@skipUnlessDarwin
def test_clang_module_build_progress_report(self):
"""Test receipt of progress events for clang module builds"""
self.build()
# Ensure an empty module cache.
mod_cache = self.getBuildArtifact("new-modules")
if os.path.isdir(mod_cache):
shutil.rmtree(mod_cache)
self.runCmd(f"settings set symbols.clang-modules-cache-path '{mod_cache}'")
# TODO: The need for this seems like a bug.
self.runCmd(
f"settings set target.clang-module-search-paths '{self.getSourceDir()}'"
)
lldbutil.run_to_name_breakpoint(self, "main")
# Just before triggering module builds, start listening for progress
# events. Listening any earlier would result in a queue filled with
# other unrelated progress events.
broadcaster = self.dbg.GetBroadcaster()
listener = lldbutil.start_listening_from(
broadcaster, lldb.SBDebugger.eBroadcastBitProgress
)
# Trigger module builds.
self.expect("expression @import MyModule")
event = lldbutil.fetch_next_event(self, listener, broadcaster)
payload = lldb.SBDebugger.GetProgressFromEvent(event)
message = payload[0]
self.assertEqual(message, "Building Clang modules")
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