def testAddRemove(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
observer.register(o, 'aSet')
o.aSet.add(1)
self.assertEqual(observer.seen, {'aSet': {1}})
self.assertNotIn('old', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['new'], set([1]))
o.aSet.remove(1)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], set([1]))
self.assertRaises(KeyError, o.aSet.remove, 2)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], set([]))
o.aSet.add(1)
o.aSet.add(2)
v = o.aSet.pop()
self.assertTrue(v in (1, 2))
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], set([v]))
o.aSet = set()
self.assertRaises(KeyError, o.aSet.pop)
def testGetSetItem(self):
# Use __getitem__, __setitem__ interface and check
# that the correct KVO events get emitted.
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
# FIXME: the call to len shouldn't be necessary
len(o.array)
try:
IS = NSIndexSet.alloc().initWithIndex_(0)
self.assertEquals(len(observer.values), 0)
o.array.append(1)
self.assertEquals(len(observer.values), 1)
self.assertEquals(observer.values[-1][-1]['indexes'], IS)
self.assertEquals(observer.values[-1][-1]['new'], [1])
self.assertEquals(o.array[0], 1)
o.array[0] = 4
self.assertEquals(o.array[0], 4)
self.assertEquals(len(observer.values), 2)
self.assertEquals(observer.values[-1][-1]['indexes'], IS)
self.assertEquals(observer.values[-1][-1]['old'], [1])
self.assertEquals(observer.values[-1][-1]['new'], [4])
finally:
observer.unregister(o, 'array')
def testAddRemove(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
observer.register(o, 'aSet')
o.aSet.add(1)
self.assertEqual(observer.seen, {'aSet': {1}})
self.assertNotIn('old', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['new'], set([1]))
o.aSet.remove(1)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], set([1]))
self.assertRaises(KeyError, o.aSet.remove, 2)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], set([]))
o.aSet.add(1)
o.aSet.add(2)
v = o.aSet.pop()
self.assertTrue(v in (1, 2))
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], set([v]))
o.aSet = set()
self.assertRaises(KeyError, o.aSet.pop)
def testAddRemove(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
observer.register(o, "aSet")
o.aSet.add(1)
self.assertEqual(observer.seen, {"aSet": {1}})
self.assertNotIn("old", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["new"], {1})
o.aSet.remove(1)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["old"], {1})
self.assertRaises(KeyError, o.aSet.remove, 2)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["old"], set())
o.aSet.add(1)
o.aSet.add(2)
v = o.aSet.pop()
self.assertTrue(v in (1, 2))
self.assertNotIn("new", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["old"], {v})
o.aSet = set()
self.assertRaises(KeyError, o.aSet.pop)
def testSymmetricDifferenceUpdate(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
o.aSet = {1, 2, 3}
observer.register(o, "aSet")
self.assertEqual(len(observer.values), 0)
o.aSet.symmetric_difference_update({1, 4})
self.assertEqual(o.aSet, {2, 3, 4})
self.assertEqual(len(observer.values), 2)
haveAdd = False
haveRemove = False
for i in 0, 1:
if observer.values[i][-1]["kind"] == 3:
# Remove
self.assertNotIn("new", observer.values[i][-1])
self.assertEqual(observer.values[i][-1]["old"], {1})
haveRemove = True
elif observer.values[i][-1]["kind"] == 2:
# Remove
self.assertNotIn("old", observer.values[i][-1])
self.assertEqual(observer.values[i][-1]["new"], {4})
haveAdd = True
else:
self.fail("Unexpected update kind")
if not haveAdd and haveRemove:
self.fail("Do not have both an add and remove notification")
def testDelSlice(self):
# As testDelItem, but using slices
observer = OCObserve.alloc().init()
l = [1, 2, 3, 4]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
IS = NSMutableIndexSet.alloc().init()
IS.addIndex_(0)
IS.addIndex_(2)
self.assertEqual(len(observer.values), 0)
o.array = l
self.assertEqual(observer.seen, {'array': l})
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEqual(o.array[0], 1)
del o.array[0:4:2]
self.assertEqual(o.array[0], 2)
self.assertEqual(o.array[1], 4)
self.assertEqual(len(o.array), 2)
self.assertEqual(observer.values[-1][-1]['indexes'], IS)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], [1, 3])
finally:
observer.unregister(o, 'array')
def testDefault(self):
observer = OCObserve.alloc().init()
o = TestDictPropertyHelper.alloc().init()
observer.register(o, 'aDict')
try:
self.assertEquals(len(o.aDict), 0)
self.assertEquals(o.aDict, {})
self.assertEquals(len(observer.values), 0)
o.aDict['key'] = 42
self.assertEquals(len(observer.values), 0)
observer.register(o, 'aDict.key')
o.aDict['key'] = 43
self.assertEquals(len(observer.values), 1)
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['old'], 42)
self.assertEquals(observer.values[-1][-1]['new'], 43)
del o.aDict['key']
self.assertEquals(len(observer.values), 2)
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['old'], 43)
self.assertEquals(observer.values[-1][-1]['new'], None)
finally:
observer.unregister(o, 'aDict')
observer.unregister(o, 'aDict.key')
def testDefault(self):
observer = OCObserve.alloc().init()
o = TestDictPropertyHelper.alloc().init()
observer.register(o, 'aDict')
try:
self.assertEquals(len(o.aDict), 0)
self.assertEquals(o.aDict, {})
self.assertEquals(len(observer.values), 0)
o.aDict['key'] = 42
self.assertEquals(len(observer.values), 0)
observer.register(o, 'aDict.key')
o.aDict['key'] = 43
self.assertEquals(len(observer.values), 1)
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['old'], 42)
self.assertEquals(observer.values[-1][-1]['new'], 43)
del o.aDict['key']
self.assertEquals(len(observer.values), 2)
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['old'], 43)
self.assertEquals(observer.values[-1][-1]['new'], None)
finally:
observer.unregister(o, 'aDict')
observer.unregister(o, 'aDict.key')
def testSymmetricDifferenceUpdate(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
o.aSet = set([1, 2, 3])
observer.register(o, 'aSet')
self.assertEqual(len(observer.values), 0)
o.aSet.symmetric_difference_update(set([1, 4]))
self.assertEqual(o.aSet, set([2, 3, 4]))
self.assertEqual(len(observer.values), 2)
haveAdd = False
haveRemove = False
for i in 0, 1:
if observer.values[i][-1]['kind'] == 3:
# Remove
self.assertNotIn('new', observer.values[i][-1])
self.assertEqual(observer.values[i][-1]['old'], set([1]))
haveRemove = True
elif observer.values[i][-1]['kind'] == 2:
# Remove
self.assertNotIn('old', observer.values[i][-1])
self.assertEqual(observer.values[i][-1]['new'], set([4]))
haveAdd = True
else:
self.fail("Unexpected update kind")
if not haveAdd and haveRemove:
self.fail("Do not have both an add and remove notification")
def testGetSetItem(self):
# Use __getitem__, __setitem__ interface and check
# that the correct KVO events get emitted.
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
# FIXME: the call to len shouldn't be necessary
len(o.array)
try:
IS = NSIndexSet.alloc().initWithIndex_(0)
self.assertEquals(len(observer.values), 0)
o.array.append(1)
self.assertEquals(len(observer.values), 1)
self.assertEquals(observer.values[-1][-1]['indexes'], IS)
self.assertEquals(observer.values[-1][-1]['new'], [1])
self.assertEquals(o.array[0], 1)
o.array[0] = 4
self.assertEquals(o.array[0], 4)
self.assertEquals(len(observer.values), 2)
self.assertEquals(observer.values[-1][-1]['indexes'], IS)
self.assertEquals(observer.values[-1][-1]['old'], [1])
self.assertEquals(observer.values[-1][-1]['new'], [4])
finally:
observer.unregister(o, 'array')
def testIAdd(self):
observer = OCObserve.alloc().init()
l = [1, 2, 3, 4]
l2 = ['a', 'b', 'c']
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
o.array = l
self.assertEquals(len(observer.values), 1)
self.assertEquals(o.array[0], 1)
o.array += l2
self.assertEquals(len(o.array), 7)
self.assertEquals(o.array[4], 'a')
#self.assertEquals(len(observer.values), 3)
#self.assertEquals(observer.values[-2][-1]['indexes'], NSIndexSet.alloc().initWithIndexesInRange_((4, 3)))
#self.assertNotIn('old', observer.values[-2][-1])
#self.assertEquals(observer.values[-2][-1]['new'], ['a', 'b', 'c'])
self.assertEquals(len(observer.values), 2)
self.assertNotIn('indexes', observer.values[-1][-1])
finally:
observer.unregister(o, 'array')
def testSetting(self):
# Set value, check that
# (1) value gets copied
# (2) accessing the property result in proxy
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
self.assertEquals(len(observer.values), 0)
self.assertEquals(len(o.array), 0)
self.assertEquals(len(observer.values), 0)
o.array = l
self.assertEquals(len(observer.values), 1)
self.assertEquals(len(o.array), 3)
# This shouldn't affect the property
l.append(4)
self.assertEquals(len(o.array), 3)
self.assertEquals(len(l), 4)
o.array.append(5)
self.assertEquals(len(l), 4)
finally:
observer.unregister(o, 'array')
def testIMul(self):
observer = OCObserve.alloc().init()
l = [1, 2]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
o.array = l
self.assertEquals(len(observer.values), 1)
self.assertEquals(o.array[0], 1)
o.array *= 3
self.assertEquals(len(o.array), 6)
self.assertEquals(o.array[0], 1)
self.assertEquals(o.array[1], 2)
self.assertEquals(o.array[2], 1)
self.assertEquals(o.array[3], 2)
self.assertEquals(o.array[4], 1)
self.assertEquals(o.array[5], 2)
#self.assertEquals(len(observer.values), 3)
#self.assertEquals(observer.values[-2][-1]['indexes'], NSIndexSet.alloc().initWithIndexesInRange_((2, 4)))
#self.assertNotIn('old', observer.values[-2][-1])
#self.assertEquals(observer.values[-2][-1]['new'], [1, 2, 1, 2])
self.assertEquals(len(observer.values), 2)
self.assertNotIn('indexes', observer.values[-1][-1])
finally:
observer.unregister(o, 'array')
def testIAdd(self):
observer = OCObserve.alloc().init()
l = [1, 2, 3, 4]
l2 = ["a", "b", "c"]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, "array")
try:
o.array = l
self.assertEqual(observer.seen, {"array": l})
self.assertEqual(o.array[0], 1)
o.array += l2
self.assertEqual(o.array, l + l2)
self.assertEqual(len(o.array), 7)
self.assertEqual(o.array[4], "a")
self.assertEqual(observer.seen, {"array": l + l2})
self.assertEqual(observer.values[-2][-1]["indexes"], NSIndexSet.alloc().initWithIndexesInRange_((4, 3)))
self.assertNotIn("old", observer.values[-2][-1])
self.assertEqual(observer.values[-2][-1]["new"], l2)
self.assertNotIn("indexes", observer.values[-1][-1])
before = observer.values[:]
v = o.array + l2
self.assertEqual(observer.values, before)
self.assertEqual(v, l + l2 + l2)
self.assertIsInstance(v, list)
finally:
observer.unregister(o, "array")
def testIAdd(self):
observer = OCObserve.alloc().init()
l = [1, 2, 3, 4]
l2 = ['a', 'b', 'c']
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
o.array = l
self.assertEquals(len(observer.values), 1)
self.assertEquals(o.array[0], 1)
o.array += l2
self.assertEquals(len(o.array), 7)
self.assertEquals(o.array[4], 'a')
#self.assertEquals(len(observer.values), 3)
#self.assertEquals(observer.values[-2][-1]['indexes'], NSIndexSet.alloc().initWithIndexesInRange_((4, 3)))
#self.assertNotIn('old', observer.values[-2][-1])
#self.assertEquals(observer.values[-2][-1]['new'], ['a', 'b', 'c'])
self.assertEquals(len(observer.values), 2)
self.assertNotIn('indexes', observer.values[-1][-1])
finally:
observer.unregister(o, 'array')
def testSetting(self):
# Set value, check that
# (1) value gets copied
# (2) accessing the property result in proxy
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
self.assertEquals(len(observer.values), 0)
self.assertEquals(len(o.array), 0)
self.assertEquals(len(observer.values), 0)
o.array = l
self.assertEquals(len(observer.values), 1)
self.assertEquals(len(o.array), 3)
# This shouldn't affect the property
l.append(4)
self.assertEquals(len(o.array), 3)
self.assertEquals(len(l), 4)
o.array.append(5)
self.assertEquals(len(l), 4)
finally:
observer.unregister(o, 'array')
def testIMul(self):
observer = OCObserve.alloc().init()
l = [1, 2]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
o.array = l
self.assertEquals(len(observer.values), 1)
self.assertEquals(o.array[0], 1)
o.array *= 3
self.assertEquals(len(o.array), 6)
self.assertEquals(o.array[0], 1)
self.assertEquals(o.array[1], 2)
self.assertEquals(o.array[2], 1)
self.assertEquals(o.array[3], 2)
self.assertEquals(o.array[4], 1)
self.assertEquals(o.array[5], 2)
#self.assertEquals(len(observer.values), 3)
#self.assertEquals(observer.values[-2][-1]['indexes'], NSIndexSet.alloc().initWithIndexesInRange_((2, 4)))
#self.assertNotIn('old', observer.values[-2][-1])
#self.assertEquals(observer.values[-2][-1]['new'], [1, 2, 1, 2])
self.assertEquals(len(observer.values), 2)
self.assertNotIn('indexes', observer.values[-1][-1])
finally:
observer.unregister(o, 'array')
def testDelSlice(self):
# As testDelItem, but using slices
observer = OCObserve.alloc().init()
lst = [1, 2, 3, 4]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, "array")
try:
IS = NSMutableIndexSet.alloc().init()
IS.addIndex_(0)
IS.addIndex_(2)
self.assertEqual(len(observer.values), 0)
o.array = lst
self.assertEqual(observer.seen, {"array": lst})
self.assertNotIn("indexes", observer.values[-1][-1])
self.assertEqual(o.array[0], 1)
del o.array[0:4:2]
self.assertEqual(o.array[0], 2)
self.assertEqual(o.array[1], 4)
self.assertEqual(len(o.array), 2)
self.assertEqual(observer.values[-1][-1]["indexes"], IS)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["old"], [1, 3])
finally:
observer.unregister(o, "array")
def testExtend(self):
observer = OCObserve.alloc().init()
l = [1, 2, 3, 4]
l2 = ['a', 'b', 'c']
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
o.array = l
self.assertEqual(observer.seen, {'array': l})
self.assertEqual(o.array[0], 1)
o.array.extend(l2)
self.assertEqual(len(o.array), 7)
self.assertEqual(o.array[4], 'a')
self.assertEqual(observer.seen, {'array': l2})
self.assertEqual(
observer.values[-1][-1]['indexes'],
NSIndexSet.alloc().initWithIndexesInRange_((4, 3)))
self.assertNotIn('old', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['new'], l2)
finally:
observer.unregister(o, 'array')
def testDelSlice(self):
# As testDelItem, but using slices
observer = OCObserve.alloc().init()
l = [1, 2, 3, 4]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, "array")
try:
IS = NSMutableIndexSet.alloc().init()
IS.addIndex_(0)
IS.addIndex_(2)
self.assertEqual(len(observer.values), 0)
o.array = l
self.assertEqual(observer.seen, {"array": l})
self.assertNotIn("indexes", observer.values[-1][-1])
self.assertEqual(o.array[0], 1)
del o.array[0:4:2]
self.assertEqual(o.array[0], 2)
self.assertEqual(o.array[1], 4)
self.assertEqual(len(o.array), 2)
self.assertEqual(observer.values[-1][-1]["indexes"], IS)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["old"], [1, 3])
finally:
observer.unregister(o, "array")
def testExtend(self):
observer = OCObserve.alloc().init()
l = [1, 2, 3, 4]
l2 = ["a", "b", "c"]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, "array")
try:
o.array = l
self.assertEqual(observer.seen, {"array": l})
self.assertEqual(o.array[0], 1)
o.array.extend(l2)
self.assertEqual(len(o.array), 7)
self.assertEqual(o.array[4], "a")
self.assertEqual(observer.seen, {"array": l2})
self.assertEqual(observer.values[-1][-1]["indexes"], NSIndexSet.alloc().initWithIndexesInRange_((4, 3)))
self.assertNotIn("old", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["new"], l2)
finally:
observer.unregister(o, "array")
def testSymmetricDifferenceUpdate(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
o.aSet = set([1, 2, 3])
observer.register(o, "aSet")
self.assertEquals(len(observer.values), 0)
o.aSet.symmetric_difference_update(set([1, 4]))
self.assertEquals(o.aSet, set([2, 3, 4]))
self.assertEquals(len(observer.values), 2)
haveAdd = False
haveRemove = False
for i in 0, 1:
if observer.values[i][-1]["kind"] == 3:
# Remove
self.assertNotIn("new", observer.values[i][-1])
self.assertEquals(observer.values[i][-1]["old"], set([1]))
haveRemove = True
elif observer.values[i][-1]["kind"] == 2:
# Remove
self.assertNotIn("old", observer.values[i][-1])
self.assertEquals(observer.values[i][-1]["new"], set([4]))
haveAdd = True
else:
self.fail("Unexpected update kind")
if not haveAdd and haveRemove:
self.fail("Do not have both an add and remove notification")
def testExtend(self):
observer = OCObserve.alloc().init()
lst = [1, 2, 3, 4]
lst2 = ["a", "b", "c"]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, "array")
try:
o.array = lst
self.assertEqual(observer.seen, {"array": lst})
self.assertEqual(o.array[0], 1)
o.array.extend(lst2)
self.assertEqual(len(o.array), 7)
self.assertEqual(o.array[4], "a")
self.assertEqual(observer.seen, {"array": lst2})
self.assertEqual(
observer.values[-1][-1]["indexes"],
NSIndexSet.alloc().initWithIndexesInRange_((4, 3)),
)
self.assertNotIn("old", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["new"], lst2)
finally:
observer.unregister(o, "array")
def testDelSlice(self):
# As testDelItem, but using slices
observer = OCObserve.alloc().init()
l = [1, 2, 3, 4]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
IS = NSMutableIndexSet.alloc().init()
IS.addIndex_(0)
IS.addIndex_(2)
self.assertEquals(len(observer.values), 0)
o.array = l
self.assertEquals(len(observer.values), 1)
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEquals(o.array[0], 1)
del o.array[0:4:2]
self.assertEquals(o.array[0], 2)
self.assertEquals(o.array[1], 4)
self.assertEquals(len(o.array), 2)
self.assertEquals(len(observer.values), 2)
self.assertEquals(observer.values[-1][-1]['indexes'], IS)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['old'], [1, 3])
finally:
observer.unregister(o, 'array')
def testGetSetItem(self):
# Use __getitem__, __setitem__ interface and check
# that the correct KVO events get emitted.
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
# FIXME: the call to len shouldn't be necessary
len(o.array)
try:
IS = NSIndexSet.alloc().initWithIndex_(0)
self.assertEqual(observer.seen, {'array': []})
o.array.append(1)
self.assertEqual(observer.seen, {'array': [1]})
self.assertEqual(observer.values[-1][-1]['indexes'], IS)
self.assertEqual(observer.values[-1][-1]['new'], [1])
o.array.append(2)
o.array.append(3)
self.assertEqual(o.array[0], 1)
o.array[0] = 4
self.assertEqual(o.array[0], 4)
self.assertEqual(observer.seen, {'array': [4]})
self.assertEqual(observer.values[-1][-1]['indexes'], IS)
self.assertEqual(observer.values[-1][-1]['old'], [1])
self.assertEqual(observer.values[-1][-1]['new'], [4])
o.array[-1] = 9
self.assertEqual(o.array[2], 9)
IS = NSIndexSet.alloc().initWithIndex_(2)
self.assertEqual(observer.seen, {'array': [9]})
self.assertEqual(observer.values[-1][-1]['indexes'], IS)
self.assertEqual(observer.values[-1][-1]['old'], [3])
self.assertEqual(observer.values[-1][-1]['new'], [9])
self.assertEqual(o.array[-1], 9)
try:
o.array[-20] = 4
except IndexError:
pass
else:
self.fail("IndexError not raised")
finally:
observer.unregister(o, 'array')
def testGetSetItem(self):
# Use __getitem__, __setitem__ interface and check
# that the correct KVO events get emitted.
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, "array")
# FIXME: the call to len shouldn't be necessary
len(o.array)
try:
IS = NSIndexSet.alloc().initWithIndex_(0)
self.assertEqual(observer.seen, {"array": []})
o.array.append(1)
self.assertEqual(observer.seen, {"array": [1]})
self.assertEqual(observer.values[-1][-1]["indexes"], IS)
self.assertEqual(observer.values[-1][-1]["new"], [1])
o.array.append(2)
o.array.append(3)
self.assertEqual(o.array[0], 1)
o.array[0] = 4
self.assertEqual(o.array[0], 4)
self.assertEqual(observer.seen, {"array": [4]})
self.assertEqual(observer.values[-1][-1]["indexes"], IS)
self.assertEqual(observer.values[-1][-1]["old"], [1])
self.assertEqual(observer.values[-1][-1]["new"], [4])
o.array[-1] = 9
self.assertEqual(o.array[2], 9)
IS = NSIndexSet.alloc().initWithIndex_(2)
self.assertEqual(observer.seen, {"array": [9]})
self.assertEqual(observer.values[-1][-1]["indexes"], IS)
self.assertEqual(observer.values[-1][-1]["old"], [3])
self.assertEqual(observer.values[-1][-1]["new"], [9])
self.assertEqual(o.array[-1], 9)
try:
o.array[-20] = 4
except IndexError:
pass
else:
self.fail("IndexError not raised")
finally:
observer.unregister(o, "array")
def testIMul(self):
observer = OCObserve.alloc().init()
lst = [1, 2]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, "array")
try:
o.array = lst
self.assertEqual(observer.seen, {"array": lst})
self.assertEqual(o.array[0], 1)
observer.values[:] = []
o.array *= 3
self.assertEqual(len(o.array), 6)
self.assertEqual(o.array[0], 1)
self.assertEqual(o.array[1], 2)
self.assertEqual(o.array[2], 1)
self.assertEqual(o.array[3], 2)
self.assertEqual(o.array[4], 1)
self.assertEqual(o.array[5], 2)
self.assertEqual(observer.seen, {"array": [1, 2, 1, 2, 1, 2]})
self.assertEqual(
observer.values[-2][-1]["indexes"],
NSIndexSet.alloc().initWithIndexesInRange_((2, 4)),
)
self.assertNotIn("old", observer.values[-2][-1])
self.assertEqual(observer.values[-2][-1]["new"], [1, 2, 1, 2])
self.assertEqual(len(observer.values), 2)
self.assertNotIn("indexes", observer.values[-1][-1])
before = observer.values[:]
n = o.array * 4
self.assertEqual(observer.values, before)
self.assertEqual(n, [1, 2] * 3 * 4)
self.assertIsInstance(n, list)
try:
o.array *= "a"
except TypeError:
pass
else:
self.fail("array * 'a' didn't raise exception")
finally:
observer.unregister(o, "array")
def testInplace(self):
# FIXME: the disabled lines in this test indicate a problem in
# either the set_proxy implementation, or my understanding of
# unordered collection properties.
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
o.aSet.add(1)
observer.register(o, 'aSet')
# The inplace operators aren't actually implemented, which means
# "o.aSet |= value" is actually "o.aSet = o.aSet | value" and
# we get the some KVO notificatons as when a new value is set.
self.assertEqual(o.aSet, {1})
o.aSet |= set([2,3])
self.assertEqual(o.aSet, {1,2,3})
self.assertEqual(o.aSet, set([1,2,3]))
self.assertEqual(len(observer.values), 2)
self.assertEqual(observer.values[-1][-1]['kind'], 1)
#self.assertEqual(observer.values[-1][-1]['old'], set([1]))
self.assertEqual(observer.values[-1][-1]['new'], set([1,2,3]))
self.assertEqual(o.aSet, {1,2,3})
o.aSet &= set([3, 4])
self.assertEqual(o.aSet, {3})
self.assertEqual(o.aSet, set([3]))
self.assertEqual(len(observer.values), 4)
self.assertEqual(observer.values[-1][-1]['kind'], 1)
#self.assertEqual(observer.values[-1][-1]['old'], set([1,2,3]))
#self.assertEqual(observer.values[-1][-1]['new'], set([3]))
self.assertEqual(o.aSet, {3})
o.aSet -= {3}
self.assertEqual(o.aSet, set())
self.assertEqual(o.aSet, set([]))
self.assertEqual(len(observer.values), 6)
self.assertEqual(observer.values[-1][-1]['kind'], 1)
#self.assertEqual(observer.values[-1][-1]['old'], set([3]))
#self.assertEqual(observer.values[-1][-1]['new'], set())
o.aSet = set([1,2,3])
#self.assertEqual(len(observer.values), 8)
self.assertEqual(o.aSet, {1,2,3})
o.aSet ^= set([1, 4])
self.assertEqual(o.aSet, {2, 3, 4})
#self.assertEqual(len(observer.values), 9)
self.assertEqual(observer.values[-1][-1]['kind'], 1)
def testInplace(self):
# FIXME: the disabled lines in this test indicate a problem in
# either the set_proxy implementation, or my understanding of
# unordered collection properties.
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
o.aSet.add(1)
observer.register(o, "aSet")
# The inplace operators aren't actually implemented, which means
# "o.aSet |= value" is actually "o.aSet = o.aSet | value" and
# we get the some KVO notificatons as when a new value is set.
self.assertEqual(o.aSet, {1})
o.aSet |= set([2, 3])
self.assertEqual(o.aSet, {1, 2, 3})
self.assertEqual(o.aSet, set([1, 2, 3]))
self.assertEqual(len(observer.values), 2)
self.assertEqual(observer.values[-1][-1]["kind"], 1)
# self.assertEqual(observer.values[-1][-1]['old'], set([1]))
self.assertEqual(observer.values[-1][-1]["new"], set([1, 2, 3]))
self.assertEqual(o.aSet, {1, 2, 3})
o.aSet &= set([3, 4])
self.assertEqual(o.aSet, {3})
self.assertEqual(o.aSet, set([3]))
self.assertEqual(len(observer.values), 4)
self.assertEqual(observer.values[-1][-1]["kind"], 1)
# self.assertEqual(observer.values[-1][-1]['old'], set([1,2,3]))
# self.assertEqual(observer.values[-1][-1]['new'], set([3]))
self.assertEqual(o.aSet, {3})
o.aSet -= {3}
self.assertEqual(o.aSet, set())
self.assertEqual(o.aSet, set([]))
self.assertEqual(len(observer.values), 6)
self.assertEqual(observer.values[-1][-1]["kind"], 1)
# self.assertEqual(observer.values[-1][-1]['old'], set([3]))
# self.assertEqual(observer.values[-1][-1]['new'], set())
o.aSet = set([1, 2, 3])
# self.assertEqual(len(observer.values), 8)
self.assertEqual(o.aSet, {1, 2, 3})
o.aSet ^= set([1, 4])
self.assertEqual(o.aSet, {2, 3, 4})
# self.assertEqual(len(observer.values), 9)
self.assertEqual(observer.values[-1][-1]["kind"], 1)
def testUpdate(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
observer.register(o, "aSet")
o.aSet.update([1, 2, 3])
self.assertEquals(len(observer.values), 1)
self.assertEquals(observer.values[-1][-1]["kind"], 2)
self.assertNotIn("old", observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]["new"], set([1, 2, 3]))
o.aSet.update(set([3, 4, 5]))
self.assertEquals(len(observer.values), 2)
self.assertEquals(observer.values[-1][-1]["kind"], 2)
self.assertNotIn("old", observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]["new"], set([4, 5]))
def testUpdate(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
observer.register(o, 'aSet')
o.aSet.update([1,2,3])
self.assertEquals(len(observer.values), 1)
self.assertEquals(observer.values[-1][-1]['kind'], 2)
self.assertNotIn('old', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['new'], set([1, 2, 3]))
o.aSet.update(set([3,4,5]))
self.assertEquals(len(observer.values), 2)
self.assertEquals(observer.values[-1][-1]['kind'], 2)
self.assertNotIn('old', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['new'], set([4, 5]))
def testIMul(self):
observer = OCObserve.alloc().init()
l = [1, 2]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, "array")
try:
o.array = l
self.assertEqual(observer.seen, {"array": l})
self.assertEqual(o.array[0], 1)
observer.values[:] = []
o.array *= 3
self.assertEqual(len(o.array), 6)
self.assertEqual(o.array[0], 1)
self.assertEqual(o.array[1], 2)
self.assertEqual(o.array[2], 1)
self.assertEqual(o.array[3], 2)
self.assertEqual(o.array[4], 1)
self.assertEqual(o.array[5], 2)
self.assertEqual(observer.seen, {"array": [1, 2, 1, 2, 1, 2]})
self.assertEqual(observer.values[-2][-1]["indexes"], NSIndexSet.alloc().initWithIndexesInRange_((2, 4)))
self.assertNotIn("old", observer.values[-2][-1])
self.assertEqual(observer.values[-2][-1]["new"], [1, 2, 1, 2])
self.assertEqual(len(observer.values), 2)
self.assertNotIn("indexes", observer.values[-1][-1])
before = observer.values[:]
n = o.array * 4
self.assertEqual(observer.values, before)
self.assertEqual(n, [1, 2] * 3 * 4)
self.assertIsInstance(n, list)
try:
o.array *= "a"
except TypeError:
pass
else:
self.fail("array * 'a' didn't raise exception")
finally:
observer.unregister(o, "array")
def testInsert(self):
# Use insert method and check that the correct
# KVO events get emitted
# Same as testGetSetItem, but using slice
observer = OCObserve.alloc().init()
lst = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, "array")
self.assertEqual(o.array, [])
try:
IS = NSIndexSet.alloc().initWithIndex_(0)
IS1 = NSIndexSet.alloc().initWithIndex_(4)
self.assertEqual(observer.seen, {"array": []})
o.array = lst
self.assertEqual(observer.seen, {"array": lst})
self.assertNotIn("indexes", observer.values[-1][-1])
self.assertEqual(o.array[0], 1)
o.array.insert(0, "a")
self.assertEqual(o.array[0], "a")
self.assertEqual(len(o.array), 4)
self.assertEqual(observer.seen, {"array": ["a"]})
self.assertEqual(observer.values[-1][-1]["indexes"], IS)
self.assertNotIn("old", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["new"], ["a"])
o.array.insert(4, "b")
self.assertEqual(o.array[4], "b")
self.assertEqual(len(o.array), 5)
self.assertEqual(observer.seen, {"array": ["b"]})
self.assertEqual(observer.values[-1][-1]["indexes"], IS1)
self.assertNotIn("old", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["new"], ["b"])
self.assertRaises(TypeError, o.array.insert, slice(0, 2), 4)
self.assertRaises(TypeError, o.array.insert, "a", 4)
o.array.insert(0, "a")
finally:
observer.unregister(o, "array")
def testInsert(self):
# Use insert method and check that the correct
# KVO events get emitted
# Same as testGetSetItem, but using slice
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
self.assertEqual(o.array, [])
try:
IS = NSIndexSet.alloc().initWithIndex_(0)
IS1 = NSIndexSet.alloc().initWithIndex_(4)
self.assertEqual(observer.seen, {'array': []})
o.array = l
self.assertEqual(observer.seen, {'array': l})
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEqual(o.array[0], 1)
o.array.insert(0, 'a')
self.assertEqual(o.array[0], 'a')
self.assertEqual(len(o.array), 4)
self.assertEqual(observer.seen, {'array': ['a']})
self.assertEqual(observer.values[-1][-1]['indexes'], IS)
self.assertNotIn('old', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['new'], ['a'])
o.array.insert(4, 'b')
self.assertEqual(o.array[4], 'b')
self.assertEqual(len(o.array), 5)
self.assertEqual(observer.seen, {'array': ['b']})
self.assertEqual(observer.values[-1][-1]['indexes'], IS1)
self.assertNotIn('old', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['new'], ['b'])
self.assertRaises(TypeError, o.array.insert, slice(0, 2), 4)
self.assertRaises(TypeError, o.array.insert, 'a', 4)
o.array.insert(0, 'a')
finally:
observer.unregister(o, 'array')
def testInsert(self):
# Use insert method and check that the correct
# KVO events get emitted
# Same as testGetSetItem, but using slice
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, "array")
self.assertEqual(o.array, [])
try:
IS = NSIndexSet.alloc().initWithIndex_(0)
IS1 = NSIndexSet.alloc().initWithIndex_(4)
self.assertEqual(observer.seen, {"array": []})
o.array = l
self.assertEqual(observer.seen, {"array": l})
self.assertNotIn("indexes", observer.values[-1][-1])
self.assertEqual(o.array[0], 1)
o.array.insert(0, "a")
self.assertEqual(o.array[0], "a")
self.assertEqual(len(o.array), 4)
self.assertEqual(observer.seen, {"array": ["a"]})
self.assertEqual(observer.values[-1][-1]["indexes"], IS)
self.assertNotIn("old", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["new"], ["a"])
o.array.insert(4, "b")
self.assertEqual(o.array[4], "b")
self.assertEqual(len(o.array), 5)
self.assertEqual(observer.seen, {"array": ["b"]})
self.assertEqual(observer.values[-1][-1]["indexes"], IS1)
self.assertNotIn("old", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["new"], ["b"])
self.assertRaises(TypeError, o.array.insert, slice(0, 2), 4)
self.assertRaises(TypeError, o.array.insert, "a", 4)
o.array.insert(0, "a")
finally:
observer.unregister(o, "array")
def testAddDiscard(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
observer.register(o, "aSet")
o.aSet.add(1)
self.assertEqual(observer.seen, {"aSet": {1}})
self.assertNotIn("old", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["new"], {1})
o.aSet.discard(1)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["old"], {1})
o.aSet.discard(2)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["old"], set())
def testDifferenceUpdate(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
o.aSet.add(1)
o.aSet.add(2)
o.aSet.add(3)
observer.register(o, "aSet")
o.aSet.difference_update(set([1, 4]))
self.assertEquals(o.aSet, set([2, 3]))
self.assertEquals(len(observer.values), 1)
self.assertEquals(observer.values[-1][-1]["kind"], 3)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]["old"], set([1]))
def testAddDiscard(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
observer.register(o, 'aSet')
o.aSet.add(1)
self.assertEqual(observer.seen, {'aSet': {1}})
self.assertNotIn('old', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['new'], set([1]))
o.aSet.discard(1)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], set([1]))
o.aSet.discard(2)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], set([]))
def testDifferenceUpdate(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
o.aSet.add(1)
o.aSet.add(2)
o.aSet.add(3)
observer.register(o, "aSet")
o.aSet.difference_update({1, 4})
self.assertEqual(o.aSet, {2, 3})
self.assertEqual(len(observer.values), 1)
self.assertEqual(observer.values[-1][-1]["kind"], 3)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["old"], {1})
def testDifferenceUpdate(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
o.aSet.add(1)
o.aSet.add(2)
o.aSet.add(3)
observer.register(o, 'aSet')
o.aSet.difference_update(set([1,4]))
self.assertEqual(o.aSet, set([2,3]))
self.assertEqual(len(observer.values), 1)
self.assertEqual(observer.values[-1][-1]['kind'], 3)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], set([1]))
def testAddDiscard(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
observer.register(o, 'aSet')
o.aSet.add(1)
self.assertEqual(observer.seen, {'aSet': {1}})
self.assertNotIn('old', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['new'], set([1]))
o.aSet.discard(1)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], set([1]))
o.aSet.discard(2)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], set([]))
def testDifferenceUpdate(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
o.aSet.add(1)
o.aSet.add(2)
o.aSet.add(3)
observer.register(o, 'aSet')
o.aSet.difference_update(set([1, 4]))
self.assertEqual(o.aSet, set([2, 3]))
self.assertEqual(len(observer.values), 1)
self.assertEqual(observer.values[-1][-1]['kind'], 3)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], set([1]))
def testUpdate(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
observer.register(o, "aSet")
self.assertEqual(o.aSet, set())
self.assertEqual(len(observer.values), 1)
o.aSet.update([1, 2, 3])
self.assertEqual(len(observer.values), 2)
self.assertEqual(observer.values[-1][-1]["kind"], 2)
self.assertNotIn("old", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["new"], {1, 2, 3})
o.aSet.update({3, 4, 5})
self.assertEqual(len(observer.values), 3)
self.assertEqual(observer.values[-1][-1]["kind"], 2)
self.assertNotIn("old", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["new"], {4, 5})
def testUpdate(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
observer.register(o, 'aSet')
self.assertEqual(o.aSet, set())
self.assertEqual(len(observer.values), 1)
o.aSet.update([1,2,3])
self.assertEqual(len(observer.values), 2)
self.assertEqual(observer.values[-1][-1]['kind'], 2)
self.assertNotIn('old', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['new'], set([1, 2, 3]))
o.aSet.update(set([3,4,5]))
self.assertEqual(len(observer.values), 3)
self.assertEqual(observer.values[-1][-1]['kind'], 2)
self.assertNotIn('old', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['new'], set([4, 5]))
def testGetSetSlice(self):
# Same as testGetSetItem, but using slice
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, "array")
try:
IS = NSIndexSet.alloc().initWithIndexesInRange_((0, 3))
IS2 = NSIndexSet.alloc().initWithIndexesInRange_((1, 2))
IS3 = NSMutableIndexSet.alloc().init()
IS3.addIndex_(0)
IS3.addIndex_(2)
self.assertEqual(observer.seen, {})
o.array = l
self.assertEqual(observer.seen, {"array": l})
self.assertNotIn("indexes", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["new"], [1, 2, 3])
o.array[1:3] = [4, 5]
self.assertEqual(o.array[0], 1)
self.assertEqual(o.array[1], 4)
self.assertEqual(o.array[2], 5)
self.assertEqual(o.array, [1, 4, 5])
self.assertEqual(observer.seen, {"array": [4, 5]})
self.assertEqual(observer.values[-1][-1]["indexes"], IS2)
self.assertEqual(observer.values[-1][-1]["old"], [2, 3])
self.assertEqual(observer.values[-1][-1]["new"], [4, 5])
self.assertEqual(o.array[0], 1)
o.array[0:3:2] = [9, 10]
self.assertEqual(o.array[0], 9)
self.assertEqual(o.array[1], 4)
self.assertEqual(o.array[2], 10)
self.assertEqual(observer.seen, {"array": [9, 10]})
self.assertEqual(observer.values[-1][-1]["indexes"], IS3)
self.assertEqual(observer.values[-1][-1]["old"], [1, 5])
self.assertEqual(observer.values[-1][-1]["new"], [9, 10])
finally:
observer.unregister(o, "array")
def testOperators(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
o.aSet = {1,2,3}
observer.register(o, 'aSet')
self.assertEqual(observer.seen, {})
self.assertEqual(o.aSet - {2}, {1,3})
self.assertEqual(o.aSet, {1,2,3})
self.assertEqual(o.aSet | {4}, {1,2,3,4})
self.assertEqual(o.aSet, {1,2,3})
self.assertEqual(o.aSet & {3,4}, {3})
self.assertEqual(o.aSet, {1,2,3})
self.assertEqual(o.aSet ^ {3,4}, {1,2,4})
self.assertEqual(o.aSet, {1,2,3})
def testAddRemove(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
observer.register(o, 'aSet')
o.aSet.add(1)
self.assertEquals(len(observer.values), 1)
self.assertNotIn('old', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['new'], set([1]))
o.aSet.remove(1)
self.assertEquals(len(observer.values), 2)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['old'], set([1]))
self.assertRaises(KeyError, o.aSet.remove, 2)
self.assertEquals(len(observer.values), 3)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['old'], set([]))
def testOperators(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
o.aSet = {1, 2, 3}
observer.register(o, "aSet")
self.assertEqual(observer.seen, {})
self.assertEqual(o.aSet - {2}, {1, 3})
self.assertEqual(o.aSet, {1, 2, 3})
self.assertEqual(o.aSet | {4}, {1, 2, 3, 4})
self.assertEqual(o.aSet, {1, 2, 3})
self.assertEqual(o.aSet & {3, 4}, {3})
self.assertEqual(o.aSet, {1, 2, 3})
self.assertEqual(o.aSet ^ {3, 4}, {1, 2, 4})
self.assertEqual(o.aSet, {1, 2, 3})
def testGetSetSlice(self):
# Same as testGetSetItem, but using slice
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
IS = NSIndexSet.alloc().initWithIndexesInRange_((0, 3))
IS2 = NSIndexSet.alloc().initWithIndexesInRange_((1, 2))
IS3 = NSMutableIndexSet.alloc().init()
IS3.addIndex_(0)
IS3.addIndex_(2)
self.assertEqual(observer.seen, {})
o.array = l
self.assertEqual(observer.seen, {'array': l})
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['new'], [1, 2, 3])
o.array[1:3] = [4, 5]
self.assertEqual(o.array[0], 1)
self.assertEqual(o.array[1], 4)
self.assertEqual(o.array[2], 5)
self.assertEqual(o.array, [1, 4, 5])
self.assertEqual(observer.seen, {'array': [4, 5]})
self.assertEqual(observer.values[-1][-1]['indexes'], IS2)
self.assertEqual(observer.values[-1][-1]['old'], [2, 3])
self.assertEqual(observer.values[-1][-1]['new'], [4, 5])
self.assertEqual(o.array[0], 1)
o.array[0:3:2] = [9, 10]
self.assertEqual(o.array[0], 9)
self.assertEqual(o.array[1], 4)
self.assertEqual(o.array[2], 10)
self.assertEqual(observer.seen, {'array': [9, 10]})
self.assertEqual(observer.values[-1][-1]['indexes'], IS3)
self.assertEqual(observer.values[-1][-1]['old'], [1, 5])
self.assertEqual(observer.values[-1][-1]['new'], [9, 10])
finally:
observer.unregister(o, 'array')
def testGetSetSlice(self):
# Same as testGetSetItem, but using slice
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
IS = NSIndexSet.alloc().initWithIndexesInRange_((0, 3))
IS2 = NSIndexSet.alloc().initWithIndexesInRange_((1, 2))
IS3 = NSMutableIndexSet.alloc().init()
IS3.addIndex_(0)
IS3.addIndex_(2)
self.assertEquals(len(observer.values), 0)
o.array = l
self.assertEquals(len(observer.values), 1)
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['new'], [1, 2, 3])
self.assertEquals(o.array[0], 1)
o.array[1:3] = [4, 5]
self.assertEquals(o.array[1], 4)
self.assertEquals(o.array[2], 5)
self.assertEquals(len(observer.values), 2)
self.assertEquals(observer.values[-1][-1]['indexes'], IS2)
self.assertEquals(observer.values[-1][-1]['old'], [2, 3])
self.assertEquals(observer.values[-1][-1]['new'], [4, 5])
self.assertEquals(o.array[0], 1)
o.array[0:3:2] = [9, 10]
self.assertEquals(o.array[0], 9)
self.assertEquals(o.array[1], 4)
self.assertEquals(o.array[2], 10)
self.assertEquals(len(observer.values), 3)
self.assertEquals(observer.values[-1][-1]['indexes'], IS3)
self.assertEquals(observer.values[-1][-1]['old'], [1, 5])
self.assertEquals(observer.values[-1][-1]['new'], [9, 10])
finally:
observer.unregister(o, 'array')
def testAddDiscard(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
observer.register(o, "aSet")
o.aSet.add(1)
self.assertEquals(len(observer.values), 1)
self.assertNotIn("old", observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]["new"], set([1]))
o.aSet.discard(1)
self.assertEquals(len(observer.values), 2)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]["old"], set([1]))
o.aSet.discard(2)
self.assertEquals(len(observer.values), 3)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]["old"], set([]))
def testAddRemove(self):
with OCObserve.alloc().init() as observer:
o = TestSetPropertyHelper.alloc().init()
observer.register(o, "aSet")
o.aSet.add(1)
self.assertEquals(len(observer.values), 1)
self.assertNotIn("old", observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]["new"], set([1]))
o.aSet.remove(1)
self.assertEquals(len(observer.values), 2)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]["old"], set([1]))
self.assertRaises(KeyError, o.aSet.remove, 2)
self.assertEquals(len(observer.values), 3)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]["old"], set([]))
def testPop(self):
# Use pop method and check that the correct
# KVO events get emitted
observer = OCObserve.alloc().init()
l = [1, 2, 3, 4]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
IS = NSIndexSet.alloc().initWithIndex_(0)
IS2 = NSIndexSet.alloc().initWithIndex_(2)
self.assertEquals(len(observer.values), 0)
o.array = l
self.assertEquals(len(observer.values), 1)
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEquals(o.array[0], 1)
v = o.array.pop(0)
self.assertEquals(v, 1)
self.assertEquals(o.array[0], 2)
self.assertEquals(len(o.array), 3)
self.assertEquals(len(observer.values), 2)
self.assertEquals(observer.values[-1][-1]['indexes'], IS)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['old'], [1])
v = o.array.pop(2)
self.assertEquals(v, 4)
self.assertEquals(len(o.array), 2)
self.assertEquals(len(observer.values), 3)
self.assertEquals(observer.values[-1][-1]['indexes'], IS2)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['old'], [4])
finally:
observer.unregister(o, 'array')
def testSetting(self):
# Set value, check that
# (1) value gets copied
# (2) accessing the property result in proxy
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
self.assertEqual(observer.seen, {})
self.assertEqual(len(o.array), 0)
self.assertEqual(observer.seen, {'array': []})
o.array = l
self.assertEqual(observer.seen, {'array': l})
self.assertEqual(len(o.array), 3)
# This shouldn't affect the property
l.append(4)
self.assertEqual(len(o.array), 3)
self.assertEqual(len(l), 4)
o.array.append(5)
self.assertEqual(len(l), 4)
self.assertEqual(len(o.array), 4)
finally:
observer.unregister(o, 'array')
l = [1, 2]
o.array2 = l
self.assertIsNot(o._array2, l)
o.array2 = o.array
self.assertEqual(o.array2, [1, 2, 3, 5])
o.array2.append(1)
self.assertEqual(o.array2, [1, 2, 3, 5, 1])
self.assertEqual(o.array, [1, 2, 3, 5])
arr = o.array2
o._array2 = None
self.assertEqual(arr, [])
def testPop(self):
# Use pop method and check that the correct
# KVO events get emitted
observer = OCObserve.alloc().init()
l = [1, 2, 3, 4]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
IS = NSIndexSet.alloc().initWithIndex_(0)
IS2 = NSIndexSet.alloc().initWithIndex_(2)
self.assertEqual(observer.seen, {})
o.array = l
self.assertEqual(observer.seen, {'array': l})
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEqual(o.array[0], 1)
v = o.array.pop(0)
self.assertEqual(v, 1)
self.assertEqual(o.array[0], 2)
self.assertEqual(len(o.array), 3)
self.assertEqual(observer.values[-1][-1]['indexes'], IS)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], [1])
v = o.array.pop(2)
self.assertEqual(v, 4)
self.assertEqual(len(o.array), 2)
self.assertEqual(observer.values[-1][-1]['indexes'], IS2)
self.assertNotIn('new', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], [4])
self.assertRaises(TypeError, o.array.pop, slice(0, 2))
self.assertRaises(TypeError, o.array.pop, 'a')
finally:
observer.unregister(o, 'array')
def testPop(self):
# Use pop method and check that the correct
# KVO events get emitted
observer = OCObserve.alloc().init()
l = [1, 2, 3, 4]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, "array")
try:
IS = NSIndexSet.alloc().initWithIndex_(0)
IS2 = NSIndexSet.alloc().initWithIndex_(2)
self.assertEqual(observer.seen, {})
o.array = l
self.assertEqual(observer.seen, {"array": l})
self.assertNotIn("indexes", observer.values[-1][-1])
self.assertEqual(o.array[0], 1)
v = o.array.pop(0)
self.assertEqual(v, 1)
self.assertEqual(o.array[0], 2)
self.assertEqual(len(o.array), 3)
self.assertEqual(observer.values[-1][-1]["indexes"], IS)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["old"], [1])
v = o.array.pop(2)
self.assertEqual(v, 4)
self.assertEqual(len(o.array), 2)
self.assertEqual(observer.values[-1][-1]["indexes"], IS2)
self.assertNotIn("new", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["old"], [4])
self.assertRaises(TypeError, o.array.pop, slice(0, 2))
self.assertRaises(TypeError, o.array.pop, "a")
finally:
observer.unregister(o, "array")
def testSetting(self):
# Set value, check that
# (1) value gets copied
# (2) accessing the property result in proxy
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, "array")
try:
self.assertEqual(observer.seen, {})
self.assertEqual(len(o.array), 0)
self.assertEqual(observer.seen, {"array": []})
o.array = l
self.assertEqual(observer.seen, {"array": l})
self.assertEqual(len(o.array), 3)
# This shouldn't affect the property
l.append(4)
self.assertEqual(len(o.array), 3)
self.assertEqual(len(l), 4)
o.array.append(5)
self.assertEqual(len(l), 4)
self.assertEqual(len(o.array), 4)
finally:
observer.unregister(o, "array")
l = [1, 2]
o.array2 = l
self.assertIsNot(o._array2, l)
o.array2 = o.array
self.assertEqual(o.array2, [1, 2, 3, 5])
o.array2.append(1)
self.assertEqual(o.array2, [1, 2, 3, 5, 1])
self.assertEqual(o.array, [1, 2, 3, 5])
arr = o.array2
o._array2 = None
self.assertEqual(arr, [])
def testInsert(self):
# Use insert method and check that the correct
# KVO events get emitted
# Same as testGetSetItem, but using slice
observer = OCObserve.alloc().init()
l = [1, 2, 3]
o = TestArrayPropertyHelper.alloc().init()
observer.register(o, 'array')
try:
IS = NSIndexSet.alloc().initWithIndex_(0)
IS1 = NSIndexSet.alloc().initWithIndex_(4)
self.assertEquals(len(observer.values), 0)
o.array = l
self.assertEquals(len(observer.values), 1)
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEquals(o.array[0], 1)
o.array.insert(0, 'a')
self.assertEquals(o.array[0], 'a')
self.assertEquals(len(o.array), 4)
self.assertEquals(len(observer.values), 2)
self.assertEquals(observer.values[-1][-1]['indexes'], IS)
self.assertNotIn('old', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['new'], ['a'])
o.array.insert(4, 'b')
self.assertEquals(o.array[4], 'b')
self.assertEquals(len(o.array), 5)
self.assertEquals(len(observer.values), 3)
self.assertEquals(observer.values[-1][-1]['indexes'], IS1)
self.assertNotIn('old', observer.values[-1][-1])
self.assertEquals(observer.values[-1][-1]['new'], ['b'])
finally:
observer.unregister(o, 'array')
def testDefault(self):
observer = OCObserve.alloc().init()
o = TestDictPropertyHelper.alloc().init()
observer.register(o, "aDict")
cleanup = []
try:
self.assertEqual(len(o.aDict), 0)
self.assertEqual(o.aDict, {})
seen = {v[1]: v[2]["new"] for v in observer.values}
self.assertEqual(seen, {"aDict": {}})
o.aDict["key"] = 42
seen = {v[1]: v[2]["new"] for v in observer.values}
self.assertEqual(seen, {"aDict": {"key": 42}})
observer.register(o, "aDict.key")
cleanup.append(lambda: observer.unregister(o, "aDict.key"))
o.aDict["key"] = 43
seen = {v[1]: v[2]["new"] for v in observer.values}
self.assertEqual(seen, {"aDict": {"key": 43}, "aDict.key": 43})
self.assertNotIn("indexes", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["old"], 42)
self.assertEqual(observer.values[-1][-1]["new"], 43)
del o.aDict["key"]
seen = {v[1]: v[2]["new"] for v in observer.values}
self.assertEqual(seen, {"aDict": {}, "aDict.key": None})
self.assertNotIn("indexes", observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]["old"], 43)
self.assertEqual(observer.values[-1][-1]["new"], None)
finally:
observer.unregister(o, "aDict")
for func in cleanup[::-1]:
func()
def testDefault(self):
observer = OCObserve.alloc().init()
o = TestDictPropertyHelper.alloc().init()
observer.register(o, 'aDict')
cleanup = []
try:
self.assertEqual(len(o.aDict), 0)
self.assertEqual(o.aDict, {})
seen = { v[1]: v[2]['new'] for v in observer.values }
self.assertEqual(seen, {'aDict': {}})
o.aDict['key'] = 42
seen = { v[1]: v[2]['new'] for v in observer.values }
self.assertEqual(seen, {'aDict': { 'key': 42}})
observer.register(o, 'aDict.key')
cleanup.append(lambda: observer.unregister(o, 'aDict.key'))
o.aDict['key'] = 43
seen = { v[1]: v[2]['new'] for v in observer.values }
self.assertEqual(seen, {'aDict': { 'key': 43}, 'aDict.key': 43})
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], 42)
self.assertEqual(observer.values[-1][-1]['new'], 43)
del o.aDict['key']
seen = { v[1]: v[2]['new'] for v in observer.values }
self.assertEqual(seen, {'aDict': {}, 'aDict.key': None})
self.assertNotIn('indexes', observer.values[-1][-1])
self.assertEqual(observer.values[-1][-1]['old'], 43)
self.assertEqual(observer.values[-1][-1]['new'], None)
finally:
observer.unregister(o, 'aDict')
for func in cleanup[::-1]:
func()
