Example #1
0
        public void SupportsList()
        {
            var manager  = new EventStoreManager();
            var file     = new MemoryEventFileStorage();
            var appender = manager.AppendToStore(file);
            var userA    = new User {
                Name = "A", Age = 1
            };
            var userB = new User {
                Name = "B", Age = 2
            };
            var userEvent = new UserEventList {
                Id = 10, List = new List <User> {
                    userA, userB, userA
                }
            };

            appender.Store(null, new object[] { userEvent });

            manager = new EventStoreManager();
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
            var readUserEvent = (UserEventList)eventObserver.Events[0][0];

            Assert.Equal(readUserEvent, userEvent);
        }
Example #2
0
        public void CanStoreNullable()
        {
            var testEvent = new EventWithNullable
            {
                EventId           = 1,
                NullableInt       = 42,
                ListWithNullables = new List <int?> {
                    4, new int?()
                },
                DictionaryWithNullables = new Dictionary <int?, bool?> {
                    { 1, true }, { 2, new bool?() }
                }
            };

            var manager  = new EventStoreManager();
            var appender = manager.AppendToStore(new MemoryEventFileStorage());

            appender.Store(null, new object[] { testEvent });

            var eventObserver = new StoringEventObserver();

            appender.ReadFromStartToEnd(eventObserver);
            Assert.Equal(new object[] { null }, eventObserver.Metadata);
            var ev = eventObserver.Events[0][0] as EventWithNullable;

            Assert.Equal(42, ev.NullableInt.Value);
            Assert.False(ev.NullableEmpty.HasValue);
            Assert.Equal(2, ev.ListWithNullables.Count);
            Assert.Equal(4, ev.ListWithNullables[0].Value);
            Assert.False(ev.ListWithNullables[1].HasValue);
            Assert.Equal(2, ev.DictionaryWithNullables.Count);
            Assert.True(ev.DictionaryWithNullables[1]);
            Assert.False(ev.DictionaryWithNullables[2].HasValue);
        }
Example #3
0
        public void UpgradeToLessObjectProperties()
        {
            var manager = new EventStoreManager();

            manager.SetNewTypeNameMapper(new OverloadableTypeMapper(typeof(UserEvent), "UserEvent"));
            var file     = new MemoryEventFileStorage();
            var appender = manager.AppendToStore(file);
            var user     = new User {
                Name = "A", Age = 1
            };
            var userEvent = new UserEvent {
                Id = 10, User1 = user, User2 = user
            };

            appender.Store(null, new object[] { userEvent, new User {
                                                    Name = "B"
                                                } });

            manager = new EventStoreManager();
            manager.SetNewTypeNameMapper(new OverloadableTypeMapper(typeof(UserEventLess), "UserEvent"));
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
            var readUserEvent = (UserEventLess)eventObserver.Events[0][0];

            Assert.Equal("A", readUserEvent.User2.Name);
            Assert.Equal(10, readUserEvent.Id);
            Assert.Equal("B", ((User)eventObserver.Events[0][1]).Name);
        }
Example #4
0
        public void SupportsDictionary()
        {
            var manager  = new EventStoreManager();
            var file     = new MemoryEventFileStorage();
            var appender = manager.AppendToStore(file);
            var userA    = new User {
                Name = "A", Age = 1
            };
            var userB = new User {
                Name = "B", Age = 2
            };
            var userEvent = new UserEventDictionary {
                Id = 10, Dict = new Dictionary <string, User> {
                    { "A", userA }, { "B", userB }
                }
            };

            appender.Store(null, new object[] { userEvent });

            manager = new EventStoreManager();
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
            var readUserEvent = (UserEventDictionary)eventObserver.Events[0][0];

            Assert.Equal(readUserEvent, userEvent);
        }
Example #5
0
        public void SurvivesListVsIList()
        {
            var manager = new EventStoreManager();

            manager.SetNewTypeNameMapper(new OverloadableTypeMapper(typeof(SomethingWithoutList), "Some"));
            var file     = new MemoryEventFileStorage();
            var file2    = new MemoryEventFileStorage();
            var appender = manager.AppendToStore(file);

            var ev = new SomethingWithList();

            appender.Store(null, new object[] { ev });
            var ev2 = new SomethingWithNestedIList
            {
                B = new Dictionary <ulong, IList <string> > {
                    { 1, new List <string> {
                          "a1"
                      } }
                }
            };

            appender.Store(null, new object[] { ev2 });
            var appender2 = manager.AppendToStore(file);

            appender2.Store(null, new object[] { ev2 });
            manager = new EventStoreManager();
            manager.SetNewTypeNameMapper(new OverloadableTypeMapper(typeof(SomethingWithList), "Some"));
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
            reader = manager.OpenReadOnlyStore(file2);
            reader.ReadFromStartToEnd(eventObserver);
        }
Example #6
0
        public void SkipListOnUpgrade()
        {
            var manager = new EventStoreManager();

            manager.SetNewTypeNameMapper(new OverloadableTypeMapper(typeof(UserEventList), "UserEvent"));
            var file     = new MemoryEventFileStorage();
            var appender = manager.AppendToStore(file);
            var userA    = new User {
                Name = "A", Age = 1
            };
            var userB = new User {
                Name = "B", Age = 2
            };
            var userEvent = new UserEventList {
                Id = 10, List = new List <User> {
                    userA, userB, userA
                }
            };

            appender.Store(null, new object[] { userEvent });

            manager = new EventStoreManager();
            manager.SetNewTypeNameMapper(new OverloadableTypeMapper(typeof(UserEvent), "UserEvent"));
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
            var readUserEvent = (UserEvent)eventObserver.Events[0][0];

            Assert.Equal(10, readUserEvent.Id);
            Assert.Null(readUserEvent.User1);
        }
Example #7
0
        public void CustomEventIsReadFromSecondSplit()
        {
            var manager = new EventStoreManager();

            manager.CompressionStrategy = new NoCompressionStrategy();
            manager.SetNewTypeNameMapper(new SimplePersonTypeMapper());
            var appender = manager.AppendToStore(new MemoryEventFileStorage(4096, 4096));
            var first    = appender.CurrentFileStorage;
            var user     = new User {
                Name = "A", Age = 1
            };

            while (appender.CurrentFileStorage == first)
            {
                appender.Store(null, new object[] { user });
            }
            var second = appender.CurrentFileStorage;

            manager = new EventStoreManager();
            manager.CompressionStrategy = new NoCompressionStrategy();
            manager.SetNewTypeNameMapper(new SimplePersonTypeMapper());
            var reader        = manager.OpenReadOnlyStore(second);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
            Assert.Equal(new object[] { null }, eventObserver.Metadata);
            Assert.Equal(new[] { new object[] { user } }, eventObserver.Events);
        }
Example #8
0
        public void WhenReadOnlyStoreIsCreatedFromNewEventStoreManagerThenItShouldNotLeakMemory()
        {
            var storage = new MemoryEventFileStorage();

            var manager  = new EventStoreManager();
            var appender = manager.AppendToStore(storage);
            var metadata = new User {
                Name = "A", Age = 1
            };
            var events = new object[]
            {
                new User {
                    Name = "B", Age = 2
                },
                new User {
                    Name = "C", Age = 3
                }
            };

            appender.Store(metadata, events);
            appender.FinalizeStore();

            manager = new EventStoreManager();
            var  eventObserver  = new StoringEventObserver();
            long baselineMemory = 0;

            for (int i = 0; i <= 10000; i++)
            {
                var reader = manager.OpenReadOnlyStore(storage);
                reader.ReadToEnd(eventObserver);

                Assert.Single(eventObserver.Events);
                eventObserver.Events.Clear();
                eventObserver.Metadata.Clear();

                if (i == 10)
                {
                    GC.Collect(2);
                    GC.WaitForPendingFinalizers();
                    GC.Collect(2);
                    baselineMemory = GC.GetTotalMemory(false);
                }
            }

            GC.Collect(2);
            GC.WaitForPendingFinalizers();
            GC.Collect(2);
            Assert.InRange(GC.GetTotalMemory(false), 0, baselineMemory * 3F);
        }
Example #9
0
        public void MoreComplexRepeatedAppendingAndReading()
        {
            var manager = new EventStoreManager();

            for (var i = 490; i < 520; i += 2)
            {
                var file     = new MemoryEventFileStorage();
                var appender = manager.AppendToStore(file);
                appender.Store(null, new object[] { new byte[i] });
                var eventObserver = new StoringEventObserver();
                appender.ReadFromStartToEnd(eventObserver);
                appender.Store(null, new object[] { new byte[i] });
                appender.ReadFromStartToEnd(eventObserver);
            }
        }
Example #10
0
        public void CanWriteEventWithIndexer()
        {
            var manager  = new EventStoreManager();
            var appender = manager.AppendToStore(new MemoryEventFileStorage());

            appender.Store(null, new object[] { new SimpleWithIndexer {
                                                    EvenName = "e", OddName = "o"
                                                } });
            var eventObserver = new StoringEventObserver();

            appender.ReadFromStartToEnd(eventObserver);
            Assert.Equal(new object[] { null }, eventObserver.Metadata);
            var ev = eventObserver.Events[0][0] as SimpleWithIndexer;

            Assert.Equal("o", ev[11]);
        }
Example #11
0
        public void CanWriteSimpleEvent()
        {
            var manager  = new EventStoreManager();
            var appender = manager.AppendToStore(new MemoryEventFileStorage());

            appender.Store(null, new object[] { 1 });
            var eventObserver = new StoringEventObserver();

            appender.ReadFromStartToEnd(eventObserver);
            Assert.Equal(new object[] { null }, eventObserver.Metadata);
            Assert.Equal(new[] { new object[] { 1 } }, eventObserver.Events);
            Assert.True(appender.IsKnownAsAppendable());
            Assert.False(appender.IsKnownAsCorrupted());
            Assert.False(appender.IsKnownAsFinished());
            Assert.Equal(10ul, appender.KnownAppendablePosition());
        }
Example #12
0
        public void SupportPureArray()
        {
            var manager  = new EventStoreManager();
            var appender = manager.AppendToStore(new MemoryEventFileStorage());

            appender.Store(null, new object[] { new PureArray {
                                                    A = new[] { "A", "B" }, B = new[] { 42, 7 }
                                                } });
            var eventObserver = new StoringEventObserver();

            appender.ReadFromStartToEnd(eventObserver);
            Assert.Equal(new object[] { null }, eventObserver.Metadata);
            var ev = eventObserver.Events[0][0] as PureArray;

            Assert.Equal(ev.A, new[] { "A", "B" });
            Assert.Equal(ev.B, new[] { 42, 7 });
        }
Example #13
0
        public void SupportStrangeVisibilities()
        {
            var manager  = new EventStoreManager();
            var appender = manager.AppendToStore(new MemoryEventFileStorage());

            appender.Store(null, new object[] { new StrangeVisibilities {
                                                    A = "a", C = "c", D = "d"
                                                } });
            var eventObserver = new StoringEventObserver();

            appender.ReadFromStartToEnd(eventObserver);
            Assert.Equal(new object[] { null }, eventObserver.Metadata);
            var ev = eventObserver.Events[0][0] as StrangeVisibilities;

            Assert.Equal("a", ev.A);
            Assert.Null(ev.B);
            Assert.Equal("c", ev.C);
        }
Example #14
0
        public void CompressionShortensData()
        {
            var manager          = new EventStoreManager();
            var file             = new MemoryEventFileStorage();
            var appender         = manager.AppendToStore(file);
            var compressibleData = new byte[20000];

            appender.Store(null, new object[] { compressibleData });
            Assert.True(2000 > appender.KnownAppendablePosition());

            manager = new EventStoreManager();
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
            Assert.Equal(new object[] { null }, eventObserver.Metadata);
            Assert.Equal(new[] { new object[] { compressibleData } }, eventObserver.Events);
        }
Example #15
0
        public void Read()
        {
            var manager = new EventStoreManager();

            manager.SetNewTypeNameMapper(new OverloadableTypeMapper(typeof(ClassWithChangedUINTtoULONG), "BTDBTest.EventStoreTest+Credit"));

            using (var file = new StreamEventFileStorage(new MemoryStream(Convert.FromBase64String(base64EventFile))))
            {
                var appender = manager.AppendToStore(file);

                var observer = new StoringEventObserver();
                appender.ReadFromStartToEnd(observer);
                Assert.Equal(observer.Events.Count, 1);
                Assert.Equal(observer.Events[0].Length, 1);
                var e = observer.Events[0][0] as Ev1;
                Assert.Equal(e.Credit.A, 1u);
                Assert.Equal(e.Credit.B, 2u);
            }
        }
Example #16
0
        public void SupportsDataOverMaxBlockSize()
        {
            var manager    = new EventStoreManager();
            var file       = new MemoryEventFileStorage();
            var appender   = manager.AppendToStore(file);
            var randomData = new byte[20000];

            new Random().NextBytes(randomData);
            appender.Store(null, new object[] { randomData });
            Assert.True(10000 < appender.KnownAppendablePosition());

            manager = new EventStoreManager();
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
            Assert.Equal(new object[] { null }, eventObserver.Metadata);
            Assert.Equal(new[] { new object[] { randomData } }, eventObserver.Events);
        }
Example #17
0
        public void SkipsIIndirect()
        {
            var manager  = new EventStoreManager();
            var file     = new MemoryEventFileStorage();
            var appender = manager.AppendToStore(file);

            var ev = new EventWithIIndirect
            {
                Name = "A",
                Ind1 = new DBIndirect <User>(),
                Ind2 = new List <IIndirect <User> >()
            };

            appender.Store(null, new object[] { ev });
            manager = new EventStoreManager();
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
        }
Example #18
0
        public void NestedObjectsTest()
        {
            var manager   = new EventStoreManager();
            var file      = new MemoryEventFileStorage();
            var appender  = manager.AppendToStore(file);
            var userEvent = new UserEvent {
                Id = 10, User1 = new User {
                    Name = "A", Age = 1
                }
            };

            appender.Store(null, new object[] { userEvent });

            manager = new EventStoreManager();
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
            Assert.Equal(new object[] { null }, eventObserver.Metadata);
            Assert.Equal(new[] { new object[] { userEvent } }, eventObserver.Events);
        }
Example #19
0
        public void SupportSets()
        {
            var manager  = new EventStoreManager();
            var appender = manager.AppendToStore(new MemoryEventFileStorage());

            appender.Store(null,
                           new object[] { new SomeSets {
                                              A = new HashSet <string> {
                                                  "A", "B"
                                              }, B = new HashSet <int> {
                                                  42, 7
                                              }
                                          } });
            var eventObserver = new StoringEventObserver();

            appender.ReadFromStartToEnd(eventObserver);
            var ev = eventObserver.Events[0][0] as SomeSets;

            Assert.Equal(new[] { "A", "B" }, ev !.A.OrderBy(a => a));
            Assert.Equal(new[] { 7, 42 }, ev.B.OrderBy(b => b));
        }
Example #20
0
        public void CanWriteSimpleEventAndReadItIndependently()
        {
            var manager = new EventStoreManager();

            manager.SetNewTypeNameMapper(new SimplePersonTypeMapper());
            var file     = new MemoryEventFileStorage();
            var appender = manager.AppendToStore(file);
            var user     = new User {
                Name = "A", Age = 1
            };

            appender.Store(null, new object[] { user });

            manager = new EventStoreManager();
            manager.SetNewTypeNameMapper(new SimplePersonTypeMapper());
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
            Assert.Equal(new object[] { null }, eventObserver.Metadata);
            Assert.Equal(new[] { new object[] { user } }, eventObserver.Events);
        }
Example #21
0
        public void MixedIListAndList()
        {
            var manager  = new EventStoreManager();
            var file     = new MemoryEventFileStorage();
            var appender = manager.AppendToStore(file);
            var e1       = new SpecificDictIList {
                Dict = new Dictionary <ulong, IList <ulong> >()
            };
            var e2 = new SpecificList {
                Ulongs = new List <ulong>()
            };

            appender.Store(null, new object[] { e2 });
            appender.Store(null, new object[] { e1 });

            manager  = new EventStoreManager();
            appender = manager.AppendToStore(file);
            var eventObserver = new StoringEventObserver();

            appender.ReadFromStartToEnd(eventObserver);
            appender.Store(null, new object[] { e1 });
        }
Example #22
0
        public void SupportsDictionaryInDictionary()
        {
            var manager  = new EventStoreManager();
            var file     = new MemoryEventFileStorage();
            var appender = manager.AppendToStore(file);

            var dictInDictEvent = new EventDictionaryInDictionary
            {
                DictInDict = new Dictionary <string, IDictionary <string, string> >
                {
                    { "level-A", new Dictionary <string, string> {
                          { "level-B", "level-C" }
                      } }
                }
            };

            appender.Store(null, new object[] { dictInDictEvent });
            manager = new EventStoreManager();
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
        }
Example #23
0
        public void SameReferenceTest()
        {
            var manager  = new EventStoreManager();
            var file     = new MemoryEventFileStorage();
            var appender = manager.AppendToStore(file);
            var user     = new User {
                Name = "A", Age = 1
            };
            var userEvent = new UserEvent {
                Id = 10, User1 = user, User2 = user
            };

            appender.Store(null, new object[] { userEvent });

            manager = new EventStoreManager();
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
            var readUserEvent = (UserEvent)eventObserver.Events[0][0];

            Assert.Same(readUserEvent.User1, readUserEvent.User2);
        }
Example #24
0
        public void UpgradeToDifferentEnumProperties()
        {
            var manager = new EventStoreManager();

            manager.SetNewTypeNameMapper(new OverloadableTypeMapper(typeof(ApplicationInfo), "ApplicationInfo"));
            var file            = new MemoryEventFileStorage();
            var appender        = manager.AppendToStore(file);
            var applicationInfo = new ApplicationInfo {
                Type = ApplicationsType.First
            };

            appender.Store(null, new object[] { applicationInfo });

            manager = new EventStoreManager();
            manager.SetNewTypeNameMapper(new OverloadableTypeMapper(typeof(ApplicationInfoPropertyEnumTypeChanged), "ApplicationInfo"));
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
            var readApplicationInfo = (ApplicationInfoPropertyEnumTypeChanged)eventObserver.Events[0][0];

            Assert.Equal(readApplicationInfo.Type, ApplicationsRenamedType.First);
        }
Example #25
0
        public void CanWriteMultipleEventsWithMetadata()
        {
            var manager  = new EventStoreManager();
            var appender = manager.AppendToStore(new MemoryEventFileStorage());
            var metadata = new User {
                Name = "A", Age = 1
            };
            var events = new object[]
            {
                new User {
                    Name = "B", Age = 2
                },
                new User {
                    Name = "C", Age = 3
                }
            };

            appender.Store(metadata, events);
            var eventObserver = new StoringEventObserver();

            appender.ReadFromStartToEnd(eventObserver);
            Assert.Equal(new object[] { metadata }, eventObserver.Metadata);
            Assert.Equal(new[] { events }, eventObserver.Events);
        }
Example #26
0
        public void DeserializeErrorInfoWorks()
        {
            var manager  = new EventStoreManager();
            var file     = new MemoryEventFileStorage();
            var appender = manager.AppendToStore(file);
            var obj      = new ErrorInfo();

            obj.PropertyErrors = new Dictionary <string, IList <ErrorInfo> >();
            var items = obj.PropertyErrors;

            items["a"] = new List <ErrorInfo> {
                new ErrorInfo()
            };
            appender.Store(null, new object[] { obj });

            manager = new EventStoreManager();
            var reader        = manager.OpenReadOnlyStore(file);
            var eventObserver = new StoringEventObserver();

            reader.ReadFromStartToEnd(eventObserver);
            var readUserEvent = (ErrorInfo)eventObserver.Events[0][0];

            Assert.Equal(1, readUserEvent.PropertyErrors.Count);
        }