"""Round 82: the list frame closes above album art too."""
from PyQt6.QtGui import QColor, QPixmap

from tests.test_round80 import _sidebar


def test_art_draws_the_frames_closing_line(qapp, tmp_path):
    """A white cover inside the list's frame starts under a line in the
    frame's own color, not straight on from the list."""
    from lintunes.gui.sidebar import ART_RULE
    window, sidebar = _sidebar(qapp, tmp_path)
    art = sidebar.art
    pixmap = QPixmap(10, 10)
    pixmap.fill(QColor("white"))
    art._pixmap = pixmap
    art.has_art_changed.emit(True)
    art._fit_height()
    qapp.processEvents()
    group = sidebar.list_area.grab().toImage()
    # the frame's own left edge, halfway down the list
    frame = group.pixelColor(0, group.height() // 4)
    image = art.grab().toImage()
    middle = image.width() // 2
    for y in range(ART_RULE):
        assert image.pixelColor(middle, y) == frame
    assert image.pixelColor(middle, ART_RULE) == QColor("white")
    window.close()