def test_gcounter(self):
counter1 = GCounter(name="counter1")
counter1.increment(10)
self.assertEqual(10, counter1.value())
counter2 = GCounter(name="counter2")
counter2.increment(5)
counter3 = counter1.merge(counter2)
counter4 = GCounter.merge(counter1, counter2)
self.assertEqual(5, counter2.value())
self.assertFalse(counter1.compare(counter2))
self.assertEqual(15, counter3.value())
self.assertTrue(counter1.compare(counter3))
self.assertEqual(counter3.value(), counter4.value())
CRDTLaws.test(counter1, counter2, counter3)
def test_lwwregister(self):
register1 = LWWRegister()
register1.set(10)
self.assertEqual(10, register1.value())
register2 = LWWRegister()
register2.set(15)
register3 = register1.merge(register2)
register4 = LWWRegister.merge(register1, register2)
self.assertEqual(15, register2.value())
self.assertFalse(register2.compare(register1))
self.assertEqual(15, register3.value())
self.assertTrue(register1.compare(register3))
self.assertEqual(register4.value(), register4.value())
CRDTLaws.test(register1, register2, register3)
def test_gset(self):
set1 = GSet()
set1.add("a")
self.assertEqual({"a"}, set1.value())
set2 = GSet()
set2.add("b")
set3 = set1.merge(set2)
set4 = GSet.merge(set1, set2)
self.assertEqual({"b"}, set2.value())
self.assertTrue("a" in set1)
self.assertFalse(set1.compare(set2))
self.assertEqual({"a", "b"}, set3.value())
self.assertTrue(set1.compare(set3))
self.assertEqual(set3.value(), set4.value())
CRDTLaws.test(set1, set2, set3)
def test_pncounter(self):
counter1 = PNCounter(name="counter1")
counter1.increment(10)
counter1.decrement(5)
self.assertEqual(5, counter1.value())
counter2 = PNCounter(name="counter2")
counter2.increment(5)
counter2.decrement(7)
counter3 = counter1.merge(counter2)
counter4 = PNCounter.merge(counter1, counter2)
self.assertEqual(-2, counter2.value())
self.assertFalse(counter1.compare(counter2))
self.assertEqual(3, counter3.value())
self.assertTrue(counter1.compare(counter3))
self.assertEqual(counter3.value(), counter4.value())
CRDTLaws.test(counter1, counter2, counter3)
def assert_set_operations(self, klass):
set1 = klass()
for x in "abc":
set1.add(x)
set1.remove("b")
self.assertEqual({"a", "c"}, set1.value())
set2 = klass()
set2 += "a"
set2 -= "a"
set3 = set1.merge(set2)
set4 = klass.merge(set1, set2)
self.assertEqual(set(), set2.value())
self.assertFalse(set1.compare(set2))
self.assertEqual({"c"}, set3.value())
self.assertEqual(set3.value(), set4.value())
CRDTLaws.test(set1, set2, set3)