public async Task SaveEvents_WithOneNewInitializedInterfaceEvent_ShouldAddEventInStore()
{
//Arrangements
var sut = new ConfigurationStub <TestState>()
.WithDefaultSetup()
.WithDefaultStateFactory()
.WithEventApplier(new CountChangedApplier())
.GetNewSUT <int>();
var id = 5;
var newCount = 3;
using (var session = await sut.BeginSessionFor(id))
{
//Act
session.AddEvent <ICountChangedInterfaceEvent>(x => x.NewCount = newCount);
await session.SaveChanges();
}
//Assert
sut[id].Should().NotBeNull();
sut[id].Length.Should().Be(1);
sut[id][0].instance.Should().BeAssignableTo <ICountChangedInterfaceEvent>();
sut[id][0].instance.As <ICountChangedInterfaceEvent>().NewCount.Should().Be(newCount);
}
public async Task BeginSession_WithNewIdAndNotThrow_ShouldNotThrow()
{
//Arrangements
var sut = new ConfigurationStub <TestState>()
.WithDefaultSetup()
.GetNewSUT <int>();
//Act
var exception = await Record.ExceptionAsync(() => sut.BeginSessionFor(123, throwIfNotExists: false));
//Assert
exception.Should().BeNull();
}
public async Task BeginSession_WithNewIdAndThrowIfNotExist_ShouldThrowException()
{
//Arrangements
var sut = new ConfigurationStub <TestState>()
.WithDefaultSetup()
.GetNewSUT <int>();
//Act
var exception = await Record.ExceptionAsync(() => sut.BeginSessionFor(123, throwIfNotExists: true));
//Assert
exception.Should().NotBeNull();
exception.Should().BeOfType <StreamNotFoundException>();
}
public async Task BeginSession_WithNewId_ShouldReturnSession()
{
//Arrangements
var sut = new ConfigurationStub <TestState>()
.WithDefaultSetup()
.GetNewSUT <int>();
//Act
var session = await sut.BeginSessionFor(123);
//Assert
session.Should().NotBeNull();
session.Should().BeAssignableTo <IManageSessionOf <TestState> >();
}
public async Task WhenAValidatorIsNotProvided_StartSession_ShouldProvideSessionWithAlwaysPassValidator()
{
//Arrange
var repo = new ConfigurationStub <TestState>()
.WithDefaultSetup()
.GetNewSUT <int>();
var sut = await repo.BeginSessionFor(42);
//Act
var defaultValidator = (sut as InMemoryEventStoreSession <TestState, int>).StateValidator;
//Assert
defaultValidator.Should().NotBeNull();
defaultValidator.GetType().Should().Be <AlwaysPassValidator <TestState> >();
}
public async Task StreamWithOneEvent_BeginSessionWithThrowIfNotExists_ShouldNotThrow()
{
//Arrange
int id = 42;
object @event = new object();
var sut = new ConfigurationStub <TestState>()
.WithDefaultSetup()
.GetNewSUT <int>()
.WithEventInStream(@event, id);
//Act
var exception = await Record.ExceptionAsync(() => sut.BeginSessionFor(id, true));
//Assert
exception.Should().BeNull();
}
public async Task WhenAValidatorIsProvided_StartSession_ShouldProvideSessionWithValidator()
{
//Arrange
int id = 42;
var repo = new ConfigurationStub <TestState>()
.WithDefaultSetup()
.GetNewSUT <int>(new AlwaysFailValidator <TestState>());
var sut = await repo.BeginSessionFor(id);
//Act
var exception = await Record.ExceptionAsync(() => sut.SaveChanges());
//Assert
exception.Should().NotBeNull();
exception.Should().BeOfType <AggregateException>();
(exception as AggregateException).InnerExceptions[0].Should().BeOfType <BusinessException>();
}
public async Task StreamWithOneEvent_ClearThenBeginSessionWiththrowIfNotExist_ShouldThrow()
{
//Arrange
int id = 42;
object @event = new object();
var sut = new ConfigurationStub <TestState>()
.WithDefaultSetup()
.GetNewSUT <int>()
.WithEventInStream(@event, id);
await sut.Delete(id);
//Act
var exception = await Record.ExceptionAsync(() => sut.BeginSessionFor(id, true));
//Assert
exception.Should().NotBeNull();
exception.Should().BeOfType <StreamNotFoundException>();
}
public async Task DisposeSession_WithOneEvent_ShouldNotSaveEvents()
{
//Arrangements
var sut = new ConfigurationStub <TestState>()
.WithDefaultSetup()
.GetNewSUT <int>();
var @event = new object();
var id = 42;
using (var session = await sut.BeginSessionFor(id))
{
//Act
session.AddEvent(@event);
}
//Assert
sut[id].Should().BeEmpty();
}
public async Task SaveEvents_WithOneNewEvent_ShouldAddEventInStore()
{
//Arrangements
var sut = new ConfigurationStub <TestState>()
.WithDefaultSetup()
.GetNewSUT <int>();
var @event = new object();
var id = 42;
using (var session = await sut.BeginSessionFor(id))
{
//Act
session.AddEvent(@event);
await session.SaveChanges();
}
//Assert
sut[id].Should().NotBeNull();
sut[id].Length.Should().Be(1);
sut[id][0].instance.Should().Be(@event);
}
public async Task StreamWithOneEvent_BeginSessionAndAddOneEvent_ShouldHaveStreamWith2Events()
{
//Arrange
int id = 42;
object @event = new object();
var sut = new ConfigurationStub <TestState>()
.WithDefaultSetup()
.GetNewSUT <int>()
.WithEventInStream(@event, id);
object newEvent = new object();
//Act
using (var session = await sut.BeginSessionFor(id))
{
session.AddEvent(newEvent);
await session.SaveChanges();
}
//Assert
sut[id].Length.Should().Be(2);
sut[id][1].instance.Should().Be(newEvent);
}
