public void Add_NoExistingValues_AddsElementToTheRepository(LWW_SetWithVCElement <TestType> element) { _lwwSetService.Merge(new HashSet <LWW_SetWithVCElement <TestType> > { element }.ToImmutableHashSet(), ImmutableHashSet <LWW_SetWithVCElement <TestType> > .Empty); var repositoryValues = _repository.GetAdds(); Assert.Contains(element, repositoryValues); }
public void Add_AddsElementToAddsSet(TestType value, Node node) { var clock = ImmutableSortedDictionary <Node, long> .Empty; var lwwSet = new LWW_SetWithVC <TestType>(); var add = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0))); lwwSet = lwwSet.Assign(add.Value, add.VectorClock); Assert.Contains(add, lwwSet.Adds); }
public void Lookup_AddedAndNotRemoved_ReturnsTrue(TestType value, Node node) { var clock = ImmutableSortedDictionary <Node, long> .Empty; var lwwSet = new LWW_SetWithVC <TestType>(); var element = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0))); lwwSet = lwwSet.Merge(new[] { element }.ToImmutableHashSet(), ImmutableHashSet <LWW_SetWithVCElement <TestType> > .Empty); var lookup = lwwSet.Lookup(value); Assert.True(lookup); }
public void Add_ConcurrentAdds_AddsOnlyOne(TestType value, Node node) { var clock = ImmutableSortedDictionary <Node, long> .Empty; var lwwSet = new LWW_SetWithVC <TestType>(); var firstAdd = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0))); var secondAdd = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0))); lwwSet = lwwSet.Assign(firstAdd.Value, firstAdd.VectorClock); lwwSet = lwwSet.Assign(secondAdd.Value, secondAdd.VectorClock); Assert.Equal(1, lwwSet.Adds.Count(e => Equals(e.Value, value))); }
public void Lookup_AddedAndRemoved_ReturnsFalse(TestType value, Node node) { var clock = ImmutableSortedDictionary <Node, long> .Empty; var lwwSet = new LWW_SetWithVC <TestType>(); var add = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0))); var remove = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 1))); lwwSet = lwwSet.Merge(new[] { add }.ToImmutableHashSet(), new[] { remove }.ToImmutableHashSet()); var lookup = lwwSet.Lookup(value); Assert.False(lookup); }
public void Add_AddSameElementTwiceWithDifferentTimestamp_UpdatesExistingElement(TestType value, Node node) { var clock = ImmutableSortedDictionary <Node, long> .Empty; var lwwSet = new LWW_SetWithVC <TestType>(); var firstAdd = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0))); var secondAdd = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 1))); lwwSet = lwwSet.Assign(firstAdd.Value, firstAdd.VectorClock); lwwSet = lwwSet.Assign(secondAdd.Value, secondAdd.VectorClock); Assert.True(lwwSet.Adds.Count(e => Equals(e, secondAdd)) == 1); Assert.True(lwwSet.Adds.Count(e => Equals(e, firstAdd)) == 0); }
public void Merge_MergesAddsAndRemoves(LWW_SetWithVCElement <TestType> one, LWW_SetWithVCElement <TestType> two, LWW_SetWithVCElement <TestType> three, LWW_SetWithVCElement <TestType> four, LWW_SetWithVCElement <TestType> five) { var lwwSet = new LWW_SetWithVC <TestType>(new[] { one, two }.ToImmutableHashSet(), new[] { three }.ToImmutableHashSet()); var newLwwSet = lwwSet.Merge(new[] { three, four }.ToImmutableHashSet(), new[] { five }.ToImmutableHashSet()); Assert.Equal(4, newLwwSet.Adds.Count); Assert.Equal(2, newLwwSet.Removes.Count); Assert.Contains(one, newLwwSet.Adds); Assert.Contains(two, newLwwSet.Adds); Assert.Contains(three, newLwwSet.Adds); Assert.Contains(four, newLwwSet.Adds); Assert.Contains(three, newLwwSet.Removes); Assert.Contains(five, newLwwSet.Removes); }
public void Lookup_AddedAndRemoved_ReturnsFalse(TestType value, Node node) { var clock = ImmutableSortedDictionary <Node, long> .Empty; var lwwSet = new LWW_SetWithVC <TestType>(); var add = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0))); var remove = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 1))); lwwSet = lwwSet.Assign(add.Value, add.VectorClock); lwwSet = lwwSet.Remove(remove.Value, remove.VectorClock); var lookup = lwwSet.Lookup(value); Assert.False(lookup); }
public void Remove_RemoveSameElementTwiceWithDifferentTimestamp_AddsOneElement(TestType value, Node node) { var clock = ImmutableSortedDictionary <Node, long> .Empty; var lwwSet = new LWW_SetWithVC <TestType>(); var add = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0))); var firstRemove = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 1))); var secondRemove = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 2))); lwwSet = lwwSet.Assign(add.Value, add.VectorClock); lwwSet = lwwSet.Remove(firstRemove.Value, firstRemove.VectorClock); lwwSet = lwwSet.Remove(secondRemove.Value, secondRemove.VectorClock); Assert.True(lwwSet.Removes.Count(e => Equals(e.Value, value)) == 1); }
public void Remove_AddExistsWithLowerTimestamp_AddsElementToTheRepository(TestType value, Node node) { var clock = ImmutableSortedDictionary <Node, long> .Empty; var addElement = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0))); var removeElement = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 1))); _lwwSetService.Merge(new HashSet <LWW_SetWithVCElement <TestType> > { addElement }.ToImmutableHashSet(), new HashSet <LWW_SetWithVCElement <TestType> > { removeElement }.ToImmutableHashSet()); var repositoryValues = _repository.GetRemoves(); Assert.Contains(value, repositoryValues.Select(v => v.Value)); }
public void Lookup_Removed_ReturnsFalse(HashSet <LWW_SetWithVCElement <TestType> > existingAdds, HashSet <LWW_SetWithVCElement <TestType> > existingRemoves, TestType value, Node node) { _repository.PersistAdds(existingAdds.ToImmutableHashSet()); _repository.PersistRemoves(existingRemoves.ToImmutableHashSet()); var clock = ImmutableSortedDictionary <Node, long> .Empty; var addElement = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 0))); var removeElement = new LWW_SetWithVCElement <TestType>(value, new VectorClock(clock.Add(node, 1))); _lwwSetService.Merge(new HashSet <LWW_SetWithVCElement <TestType> > { addElement }.ToImmutableHashSet(), new HashSet <LWW_SetWithVCElement <TestType> > { removeElement }.ToImmutableHashSet()); var lookup = _lwwSetService.Lookup(value); Assert.False(lookup); }
public void Create_CreatesSetWithElements(LWW_SetWithVCElement <TestType> one, LWW_SetWithVCElement <TestType> two, LWW_SetWithVCElement <TestType> three) { var adds = new[] { one, two }.ToImmutableHashSet(); var removes = new[] { two, three }.ToImmutableHashSet(); var lwwSet = new LWW_SetWithVC <TestType>(adds, removes); Assert.Equal(adds.Count, lwwSet.Adds.Count); Assert.Equal(removes.Count, lwwSet.Removes.Count); foreach (var add in adds) { Assert.Contains(add, lwwSet.Adds); } foreach (var remove in removes) { Assert.Contains(remove, lwwSet.Removes); } }
public void Lookup_Added_ReturnsTrue(HashSet <LWW_SetWithVCElement <TestType> > existingAdds, HashSet <LWW_SetWithVCElement <TestType> > existingRemoves, LWW_SetWithVCElement <TestType> element) { _repository.PersistAdds(existingAdds.ToImmutableHashSet()); _repository.PersistRemoves(existingRemoves.ToImmutableHashSet()); _lwwSetService.Merge(new HashSet <LWW_SetWithVCElement <TestType> > { element }.ToImmutableHashSet(), ImmutableHashSet <LWW_SetWithVCElement <TestType> > .Empty); var lookup = _lwwSetService.Lookup(element.Value); Assert.True(lookup); }