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import unittest | ||
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from AnyQt.QtCore import Qt, QSizeF | ||
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from orangewidget.tests.base import GuiTest | ||
from Orange.widgets.utils.graphicstextlist import TextListWidget, scaled | ||
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class TestTextListWidget(GuiTest): | ||
def test_setItems(self): | ||
w = TextListWidget() | ||
w.setItems([]) | ||
self.assertEqual(w.count(), 0) | ||
w.setItems(["Aa"]) | ||
self.assertEqual(w.count(), 1) | ||
w.setItems(["Aa", "Bb"]) | ||
self.assertEqual(w.count(), 2) | ||
w.clear() | ||
self.assertEqual(w.count(), 0) | ||
w.clear() | ||
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def test_orientation(self): | ||
w = TextListWidget() | ||
w.setItems(['x' * 20] * 2) | ||
w.setOrientation(Qt.Vertical) | ||
self.assertEqual(w.orientation(), Qt.Vertical) | ||
sh = w.effectiveSizeHint(Qt.PreferredSize) | ||
self.assertGreater(sh.width(), sh.height()) | ||
w.setOrientation(Qt.Horizontal) | ||
sh = w.effectiveSizeHint(Qt.PreferredSize) | ||
self.assertLess(sh.width(), sh.height()) | ||
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def test_alignment(self): | ||
w = TextListWidget() | ||
w.setItems(["a"]) | ||
w.resize(200, 100) | ||
w.setAlignment(Qt.AlignRight) | ||
self.assertEqual(w.alignment(), Qt.AlignRight) | ||
item = w.childItems()[0].childItems()[0] | ||
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def brect(item): | ||
return item.mapRectToItem(w, item.boundingRect()) | ||
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self.assertEqual(brect(item).right(), 200) | ||
w.setAlignment(Qt.AlignLeft) | ||
self.assertEqual(brect(item).left(), 0) | ||
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w.setAlignment(Qt.AlignHCenter) | ||
self.assertTrue(90 <= brect(item).center().x() < 110) | ||
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w.setAlignment(Qt.AlignTop) | ||
self.assertEqual(brect(item).top(), 0) | ||
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w.setAlignment(Qt.AlignBottom) | ||
self.assertEqual(brect(item).bottom(), 100) | ||
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w.setAlignment(Qt.AlignVCenter) | ||
self.assertTrue(45 <= brect(item).center().y() < 55) | ||
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class TestUtils(unittest.TestCase): | ||
def test_scaled(self): | ||
cases_keep_aspect = [ | ||
(QSizeF(100, 100), QSizeF(200, 300), QSizeF(200, 200)), | ||
(QSizeF(100, 100), QSizeF(300, 200), QSizeF(200, 200)), | ||
(QSizeF(100, 100), QSizeF(300, -1), QSizeF(300, 300)), | ||
(QSizeF(100, 100), QSizeF(-1, 300), QSizeF(300, 300)), | ||
(QSizeF(100, 100), QSizeF(-1, -1), QSizeF(100, 100)), | ||
] | ||
for size, const, expected in cases_keep_aspect: | ||
s = scaled(size, const) | ||
self.assertEqual(s, expected, f"scaled({size}, {const})") | ||
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cases_keep_aspect_by_expaindig = [ | ||
(QSizeF(100, 100), QSizeF(200, 300), QSizeF(300, 300)), | ||
(QSizeF(100, 100), QSizeF(300, 200), QSizeF(300, 300)), | ||
(QSizeF(100, 100), QSizeF(300, -1), QSizeF(300, 300)), | ||
(QSizeF(100, 100), QSizeF(-1, 300), QSizeF(300, 300)), | ||
(QSizeF(100, 100), QSizeF(-1, -1), QSizeF(100, 100)), | ||
] | ||
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for size, const, expected in cases_keep_aspect_by_expaindig: | ||
s = scaled(size, const, Qt.KeepAspectRatioByExpanding) | ||
self.assertEqual( | ||
s, expected, | ||
f"scaled({size}, {const}, Qt.KeepAspectRatioByExpanding)" | ||
) |