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);
}
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);
}
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);
}
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);
}
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);
}
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);
}
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);
}
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);
}
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);
}
}
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]);
}
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());
}
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 });
}
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);
}
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);
}
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);
}
}
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);
}
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);
}
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);
}
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));
}
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);
}
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 });
}
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);
}
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);
}
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);
}
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);
}
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);
}