def testRegisterAndDeregister( self ):
lsm = LayerStackModel()
sims = StackedImageSources( lsm )
self.assertEqual( len(lsm), 0 )
self.assertEqual( len(sims), 0 )
lsm.append(self.layer1)
lsm.append(self.layer2)
lsm.append(self.layer3)
self.assertEqual( lsm.layerIndex(self.layer1), 2 )
self.assertEqual( lsm.layerIndex(self.layer2), 1 )
self.assertEqual( lsm.layerIndex(self.layer3), 0 )
self.assertEqual( len(lsm), 3 )
self.assertEqual( len(sims), 0 )
self.assertFalse(sims.isRegistered(self.layer2))
sims.register( self.layer2, self.ims2 )
self.assertTrue(sims.isRegistered(self.layer2))
self.assertEqual( len(sims), 1 )
self.assertEqual( sims.getImageSource(0), self.ims2 )
sims.register( self.layer1, self.ims1 )
sims.register( self.layer3, self.ims3 )
sims.deregister( self.layer2 )
self.assertTrue( sims.isRegistered( self.layer1 ))
self.assertFalse( sims.isRegistered( self.layer2 ))
self.assertTrue( sims.isRegistered( self.layer3 ))
self.assertEqual( len(lsm), 3 )
self.assertEqual( len(sims), 2 )
self.assertEqual( sims.getImageSource(0), self.ims3 )
self.assertEqual( sims.getImageSource(1), self.ims1 )
for i,v in enumerate(sims):
if i == 0:
self.assertEqual(len(v), 3)
self.assertEqual(v[0], self.layer3.visible)
self.assertEqual(v[1], self.layer3.opacity)
self.assertEqual(v[2], self.ims3)
elif i == 1:
self.assertEqual(len(v), 3)
self.assertEqual(v[0], self.layer1.visible)
self.assertEqual(v[1], self.layer1.opacity)
self.assertEqual(v[2], self.ims1)
else:
raise Exception("unexpected index")
sims.deregister( self.layer1 )
sims.deregister( self.layer3 )
self.assertEqual( len(lsm), 3 )
self.assertEqual( len(sims), 0 )
lsm.clear()
def testRegisterAndDeregister(self):
lsm = LayerStackModel()
sims = StackedImageSources(lsm)
self.assertEqual(len(lsm), 0)
self.assertEqual(len(sims), 0)
lsm.append(self.layer1)
lsm.append(self.layer2)
lsm.append(self.layer3)
self.assertEqual(lsm.layerIndex(self.layer1), 2)
self.assertEqual(lsm.layerIndex(self.layer2), 1)
self.assertEqual(lsm.layerIndex(self.layer3), 0)
self.assertEqual(len(lsm), 3)
self.assertEqual(len(sims), 0)
self.assertFalse(sims.isRegistered(self.layer2))
sims.register(self.layer2, self.ims2)
self.assertTrue(sims.isRegistered(self.layer2))
self.assertEqual(len(sims), 1)
self.assertEqual(sims.getImageSource(0), self.ims2)
sims.register(self.layer1, self.ims1)
sims.register(self.layer3, self.ims3)
sims.deregister(self.layer2)
self.assertTrue(sims.isRegistered(self.layer1))
self.assertFalse(sims.isRegistered(self.layer2))
self.assertTrue(sims.isRegistered(self.layer3))
self.assertEqual(len(lsm), 3)
self.assertEqual(len(sims), 2)
self.assertEqual(sims.getImageSource(0), self.ims3)
self.assertEqual(sims.getImageSource(1), self.ims1)
for i, v in enumerate(sims):
if i == 0:
self.assertEqual(len(v), 3)
self.assertEqual(v[0], self.layer3.visible)
self.assertEqual(v[1], self.layer3.opacity)
self.assertEqual(v[2], self.ims3)
elif i == 1:
self.assertEqual(len(v), 3)
self.assertEqual(v[0], self.layer1.visible)
self.assertEqual(v[1], self.layer1.opacity)
self.assertEqual(v[2], self.ims1)
else:
raise Exception("unexpected index")
sims.deregister(self.layer1)
sims.deregister(self.layer3)
self.assertEqual(len(lsm), 3)
self.assertEqual(len(sims), 0)
lsm.clear()
