"""Tests for the ThreadInspector module."""
from PySide6.QtCore import QThread
from qt_mcp.probe.thread_inspector import ThreadInspector
def test_thread_check_basic(qapp, sample_window):
inspector = ThreadInspector()
result = inspector.thread_check()
assert result["gui_thread"] is not None
assert len(result["threads"]) >= 1
# The main thread should have objects
main = result["threads"][0]
assert main["object_count"] > 0
# No warnings expected — all widgets should be on GUI thread
assert result["warnings"] == []
def test_thread_check_finds_qthread(qapp, sample_window):
inspector = ThreadInspector()
result = inspector.thread_check()
# sample_app creates a WorkerThread
names = [q["object_name"] for q in result["qthreads"]]
assert "WorkerThread" in names
worker = next(q for q in result["qthreads"] if q["object_name"] == "WorkerThread")
assert worker["running"] is False
assert worker["finished"] is False
def test_thread_check_no_app(qapp):
"""Thread check with no visible windows still works."""
inspector = ThreadInspector()
result = inspector.thread_check()
assert "gui_thread" in result
assert isinstance(result["threads"], list)
def test_thread_check_counts_widgets(qapp, sample_window):
inspector = ThreadInspector()
result = inspector.thread_check()
# Find the main/GUI thread entry
total_widgets = sum(t["widget_count"] for t in result["threads"])
assert total_widgets > 0
def test_thread_check_running_qthread(qapp, sample_window):
"""Start a QThread and verify it shows as running."""
thread = QThread(sample_window)
thread.setObjectName("TestRunningThread")
thread.start()
qapp.processEvents()
inspector = ThreadInspector()
result = inspector.thread_check()
running = [q for q in result["qthreads"] if q["object_name"] == "TestRunningThread"]
assert len(running) == 1
assert running[0]["running"] is True
thread.quit()
thread.wait(1000)
