Function TEST

pj_widgets/tests/raster_stream_view_test.cpp:27–41

Launch the stub helper through the view; it publishes one frame. Verify the view connects, paints the copied frame, and does not prematurely end the session.

// Launch the stub helper through the view; it publishes one frame. Verify the
// view connects, paints the copied frame, and does not prematurely end the session.
TEST(RasterStreamView, ReceivesAStubFrameAndStaysAlive) {
  PJ::RasterStreamView view;
  view.resize(320, 200);
  QSignalSpy ended(&view, &PJ::RasterStreamView::sessionEnded);
  view.start(QStringLiteral(PJ_STUB_HELPER_PATH), QStringLiteral("/dev/null"));

  bool received_frame = false;
  for (int attempt = 0; attempt < 60 && !received_frame; ++attempt) {
    QTest::qWait(50);
    received_frame = hasPaintedStubFrame(view);
  }

  EXPECT_TRUE(received_frame);
  EXPECT_EQ(ended.count(), 0);
}

}  // namespace