def test_nested_dictionaries(self):
dict1 = { 0: { 1: False } }
dict2 = { 0: { 1: True } }
actual = dicttools.union(dict1, dict2)
expected = { 0: { 1: True} }
self.assertEquals(actual, expected, msg="%s != %s" % (expected, actual))
def test_basic_dictionaries(self):
dict1 = { 0: 0, 1: 0 }
dict2 = { 1: 1, 2: 2 }
actual = dicttools.union(dict1, dict2)
expected = { 0: 0, 1: 1, 2: 2 }
self.assertEquals(actual, expected, msg="%s != %s" % (expected, actual))
def test_union_performance(self):
total = 20000
items1 = [ (x, float(x)) for x in range(0, total) ]
items2 = [ (x, float(x)) for x in range(0, total) ]
dict1 = dict(items1)
dict2 = dict(items1)
start = time.time()
dicttools.union(dict1, dict2)
dictionary_elapsed = time.time() - start
start = time.time()
set(itertools.chain(items1, items2))
list_elapsed = time.time() - start
print('\n dict union is %2.2fx slower than list union' % \
(dictionary_elapsed/list_elapsed))