def testCopy(self):
"""MultipleElement copy methods"""
elem = MultipleElement(SimpleElement(check='digit'))
# Empty
self.assertEqual(len(elem.emptycopy()), 0)
self.assertEqual(elem.copy().as_dict(), elem.as_dict())
# With some content
elem.add(3)
elem.add(5)
self.assertEqual(len(elem.emptycopy()), 0)
self.assertEqual(elem.copy().as_dict(), elem.as_dict())
def testCopy(self):
"""MultipleElement copy methods"""
elem = MultipleElement(SimpleElement(check='digit'))
# Empty
self.assertEqual(len(elem.emptycopy()), 0)
self.assertEqual(elem.copy().as_dict(), elem.as_dict())
# With some content
elem.add(3)
elem.add(5)
self.assertEqual(len(elem.emptycopy()), 0)
self.assertEqual(elem.copy().as_dict(), elem.as_dict())
def testDiff(self):
"""MultipleElement diff method"""
elem = MultipleElement(SimpleElement(check='digit'))
# (empty) <=> (empty)
added, changed, removed = elem.diff(elem)
self.assertTrue(len(added) == len(removed) == len(changed) == 0)
elem.add(3)
elem.add(9)
elem.add(4)
# itself
added, changed, removed = elem.diff(elem)
self.assertTrue(len(added) == len(removed) == len(changed) == 0)
# elem <=> (empty)
added, changed, removed = elem.diff(elem.emptycopy())
self.assertTrue(len(added) == len(changed) == 0)
self.assertEqual(removed.get(), [3, 9, 4])
# (empty) <=> elem
added, changed, removed = elem.emptycopy().diff(elem)
self.assertTrue(len(removed) == len(changed) == 0)
self.assertEqual(added.get(), [3, 9, 4])
# Mixed
other = elem.copy()
other.remove(4)
other.add(5)
added, changed, removed = elem.diff(other)
self.assertEqual(changed.get(), None)
self.assertEqual(added.get(), [5])
self.assertEqual(removed.get(), [4])
def testDiff(self):
"""MultipleElement diff method"""
elem = MultipleElement(SimpleElement(check='digit'))
# (empty) <=> (empty)
added, changed, removed = elem.diff(elem)
self.assertTrue(len(added) == len(removed) == len(changed) == 0)
elem.add(3)
elem.add(9)
elem.add(4)
# itself
added, changed, removed = elem.diff(elem)
self.assertTrue(len(added) == len(removed) == len(changed) == 0)
# elem <=> (empty)
added, changed, removed = elem.diff(elem.emptycopy())
self.assertTrue(len(added) == len(changed) == 0)
self.assertEqual(removed.get(), [3, 9, 4])
# (empty) <=> elem
added, changed, removed = elem.emptycopy().diff(elem)
self.assertTrue(len(removed) == len(changed) == 0)
self.assertEqual(added.get(), [3, 9, 4])
# Mixed
other = elem.copy()
other.remove(4)
other.add(5)
added, changed, removed = elem.diff(other)
self.assertEqual(changed.get(), None)
self.assertEqual(added.get(), [5])
self.assertEqual(removed.get(), [4])
def test_diff_key_simple_element(self):
"""MultipleElement diff method with simple elements with a specific key"""
class MyElement(SimpleElement):
def __init__(self, check='digit', default=None, value=None):
SimpleElement.__init__(self, check, default, value)
def key(self):
return self.get() / 2
elem = MultipleElement(MyElement())
elem.add(7)
elem.add(4)
other = elem.copy()
other.remove(7)
other.add(6)
added, changed, removed = elem.diff(other)
self.assertEqual(added.get(), None)
self.assertEqual(removed.get(), None)
self.assertEqual(changed.get(), [6])
self.assertEqual(changed.elements()[0].old.get(), 7)
def test_diff_key_simple_element(self):
"""MultipleElement diff method with simple elements with a specific key"""
class MyElement(SimpleElement):
def __init__(self, check='digit', default=None, value=None):
SimpleElement.__init__(self, check, default, value)
def key(self):
return self.get() / 2
elem = MultipleElement(MyElement())
elem.add(7)
elem.add(4)
other = elem.copy()
other.remove(7)
other.add(6)
added, changed, removed = elem.diff(other)
self.assertEqual(added.get(), None)
self.assertEqual(removed.get(), None)
self.assertEqual(changed.get(), [6])
self.assertEqual(changed.elements()[0].old.get(), 7)
