class ReferenceCount(UsesQApplication):
def setUp(self):
super(ReferenceCount, self).setUp()
self.scene = QGraphicsScene()
def tearDown(self):
super(ReferenceCount, self).tearDown()
def beforeTest(self):
points = [QPointF(0, 0), QPointF(100, 100), QPointF(0, 100)]
pol = self.scene.addPolygon(QPolygonF(points))
self.assert_(isinstance(pol, QGraphicsPolygonItem))
self.wrp = weakref.ref(pol, pol_del)
#refcount need be 3 because one ref for QGraphicsScene, and one to rect obj
self.assertEqual(sys.getrefcount(pol), 3)
def testReferenceCount(self):
global destroyedRect
global destroyedPol
self.beforeTest()
rect = self.scene.addRect(10.0, 10.0, 10.0, 10.0)
self.assert_(isinstance(rect, QGraphicsRectItem))
self.wrr = weakref.ref(rect, rect_del)
#refcount need be 3 because one ref for QGraphicsScene, and one to rect obj
self.assertEqual(sys.getrefcount(rect), 3)
del rect
#not destroyed because one ref continue in QGraphicsScene
self.assertEqual(destroyedRect, False)
self.assertEqual(destroyedPol, False)
del self.scene
#QGraphicsScene was destroyed and this destroy internal ref to rect
self.assertEqual(destroyedRect, True)
self.assertEqual(destroyedPol, True)
class ReferenceCount(UsesQApplication):
def setUp(self):
super(ReferenceCount, self).setUp()
self.scene = QGraphicsScene()
def tearDown(self):
super(ReferenceCount, self).tearDown()
def beforeTest(self):
points = [QPointF(0, 0), QPointF(100, 100), QPointF(0, 100)]
pol = self.scene.addPolygon(QPolygonF(points))
self.assert_(isinstance(pol, QGraphicsPolygonItem))
self.wrp = weakref.ref(pol, pol_del)
#refcount need be 3 because one ref for QGraphicsScene, and one to rect obj
self.assertEqual(sys.getrefcount(pol), 3)
def testReferenceCount(self):
global destroyedRect
global destroyedPol
self.beforeTest()
rect = self.scene.addRect(10.0, 10.0, 10.0, 10.0)
self.assert_(isinstance(rect, QGraphicsRectItem))
self.wrr = weakref.ref(rect, rect_del)
#refcount need be 3 because one ref for QGraphicsScene, and one to rect obj
self.assertEqual(sys.getrefcount(rect), 3)
del rect
#not destroyed because one ref continue in QGraphicsScene
self.assertEqual(destroyedRect, False)
self.assertEqual(destroyedPol, False)
del self.scene
#QGraphicsScene was destroyed and this destroy internal ref to rect
self.assertEqual(destroyedRect, True)
self.assertEqual(destroyedPol, True)
class QColorOnSetBrush(UsesQApplication):
'''Test case for passing a QColor directly to setBrush'''
def setUp(self):
#Acquire resources
super(QColorOnSetBrush, self).setUp()
self.scene = QGraphicsScene()
poly = QPolygonF()
self.item = self.scene.addPolygon(poly)
self.color = QColor('black')
def tearDown(self):
#Release resources
del self.color
del self.item
del self.scene
super(QColorOnSetBrush, self).tearDown()
def testQColor(self):
#QGraphicsAbstractShapeItem.setBrush(QColor)
self.item.setBrush(self.color)
self.assertEqual(QBrush(self.color), self.item.brush())
class AddItem(UsesQApplication):
'''Tests for QGraphicsScene.add*'''
qapplication = True
def setUp(self):
#Acquire resources
super(AddItem, self).setUp()
self.scene = QGraphicsScene()
# While the scene does not inherits from QWidget, requires
# an application to make the internals work.
def tearDown(self):
#Release resources
del self.scene
super(AddItem, self).tearDown()
def testEllipse(self):
#QGraphicsScene.addEllipse
item = self.scene.addEllipse(100, 100, 100, 100)
self.assertTrue(isinstance(item, QGraphicsEllipseItem))
def testLine(self):
#QGraphicsScene.addLine
item = self.scene.addLine(100, 100, 200, 200)
self.assertTrue(isinstance(item, QGraphicsLineItem))
def testPath(self):
#QGraphicsScene.addPath
item = self.scene.addPath(QPainterPath())
self.assertTrue(isinstance(item, QGraphicsPathItem))
def testPixmap(self):
#QGraphicsScene.addPixmap
item = self.scene.addPixmap(QPixmap())
self.assertTrue(isinstance(item, QGraphicsPixmapItem))
def testPolygon(self):
#QGraphicsScene.addPolygon
points = [QPointF(0, 0), QPointF(100, 100), QPointF(0, 100)]
item = self.scene.addPolygon(QPolygonF(points))
self.assertTrue(isinstance(item, QGraphicsPolygonItem))
def testRect(self):
#QGraphicsScene.addRect
item = self.scene.addRect(100, 100, 100, 100)
self.assertTrue(isinstance(item, QGraphicsRectItem))
def testSimpleText(self):
#QGraphicsScene.addSimpleText
item = self.scene.addSimpleText('Monty Python 42')
self.assertTrue(isinstance(item, QGraphicsSimpleTextItem))
def testText(self):
#QGraphicsScene.addText
item = self.scene.addText('Monty Python 42')
self.assertTrue(isinstance(item, QGraphicsTextItem))
def testWidget(self):
#QGraphicsScene.addWidget
# XXX: printing some X11 error when using under PyQt4
item = self.scene.addWidget(QPushButton())
self.assertTrue(isinstance(item, QGraphicsProxyWidget))
class AddItem(UsesQApplication):
"""Tests for QGraphicsScene.add*"""
qapplication = True
def setUp(self):
# Acquire resources
super(AddItem, self).setUp()
self.scene = QGraphicsScene()
# While the scene does not inherits from QWidget, requires
# an application to make the internals work.
def tearDown(self):
# Release resources
del self.scene
super(AddItem, self).tearDown()
def testEllipse(self):
# QGraphicsScene.addEllipse
item = self.scene.addEllipse(100, 100, 100, 100)
self.assertTrue(isinstance(item, QGraphicsEllipseItem))
def testLine(self):
# QGraphicsScene.addLine
item = self.scene.addLine(100, 100, 200, 200)
self.assertTrue(isinstance(item, QGraphicsLineItem))
def testPath(self):
# QGraphicsScene.addPath
item = self.scene.addPath(QPainterPath())
self.assertTrue(isinstance(item, QGraphicsPathItem))
def testPixmap(self):
# QGraphicsScene.addPixmap
item = self.scene.addPixmap(QPixmap())
self.assertTrue(isinstance(item, QGraphicsPixmapItem))
def testPolygon(self):
# QGraphicsScene.addPolygon
points = [QPointF(0, 0), QPointF(100, 100), QPointF(0, 100)]
item = self.scene.addPolygon(QPolygonF(points))
self.assertTrue(isinstance(item, QGraphicsPolygonItem))
def testRect(self):
# QGraphicsScene.addRect
item = self.scene.addRect(100, 100, 100, 100)
self.assertTrue(isinstance(item, QGraphicsRectItem))
def testSimpleText(self):
# QGraphicsScene.addSimpleText
item = self.scene.addSimpleText("Monty Python 42")
self.assertTrue(isinstance(item, QGraphicsSimpleTextItem))
def testText(self):
# QGraphicsScene.addText
item = self.scene.addText("Monty Python 42")
self.assertTrue(isinstance(item, QGraphicsTextItem))
def testWidget(self):
# QGraphicsScene.addWidget
# XXX: printing some X11 error when using under PyQt4
item = self.scene.addWidget(QPushButton())
self.assertTrue(isinstance(item, QGraphicsProxyWidget))