ykcheungab
87 lines
2.6 KiB
Python
87 lines
2.6 KiB
Python
"""Recording integrity work must leave the UI thread free and report failures."""
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import threading
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from PySide6.QtCore import QObject, QTimer, Slot, QCoreApplication, QEvent, QThreadPool
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from PySide6.QtTest import QTest
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from orisys_autocal.ui.review_job import ReviewJob
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def test_review_job_runs_off_thread_and_keeps_qt_responsive(qt_app):
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started, release = threading.Event(), threading.Event()
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main_thread = threading.get_ident()
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results, ticks = [], []
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class Receiver(QObject):
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@Slot(object, object)
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def receive(self, value, error):
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results.append((value, error, threading.get_ident()))
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receiver = Receiver()
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def action():
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started.set()
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assert release.wait(3)
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return threading.get_ident()
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job = ReviewJob(action, receiver.receive)
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job.start()
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try:
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assert started.wait(2)
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QTimer.singleShot(0, lambda: ticks.append(True))
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QTest.qWait(20)
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assert ticks == [True] and results == []
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finally:
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release.set()
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for _ in range(100):
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if results:
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break
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QTest.qWait(10)
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assert len(results) == 1
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assert results[0][0] != main_thread
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assert results[0][1] is None and results[0][2] == main_thread
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def test_unexpected_review_job_failure_returns_to_receiver(qt_app):
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results = []
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class Receiver(QObject):
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@Slot(object, object)
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def receive(self, value, error):
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results.append((value, error))
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receiver = Receiver()
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def action():
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raise RuntimeError("decoder failed")
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job = ReviewJob(action, receiver.receive)
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job.start()
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for _ in range(100):
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if results:
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break
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QTest.qWait(10)
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assert results == [(None, "decoder failed")]
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def test_review_job_can_finish_after_its_receiver_is_destroyed(qt_app):
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started, release, finished = threading.Event(), threading.Event(), threading.Event()
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results = []
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class Receiver(QObject):
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@Slot(object, object)
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def receive(self, value, error):
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results.append((value, error))
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receiver = Receiver()
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def action():
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started.set()
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assert release.wait(3)
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finished.set()
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return "done"
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job = ReviewJob(action, receiver.receive)
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job.start()
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try:
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assert started.wait(2)
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receiver.deleteLater()
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QCoreApplication.sendPostedEvents(receiver, QEvent.Type.DeferredDelete)
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finally:
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release.set()
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assert QThreadPool.globalInstance().waitForDone(3000)
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qt_app.processEvents()
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assert finished.is_set() and results == []
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