public void GivenEvents_WhenInlineTransformationIsApplied_ThenReturnsSameNumberOfTransformedItems()
{
var issue1Id = Guid.NewGuid();
var issue2Id = Guid.NewGuid();
var events = new IIssueEvent[]
{
new IssueCreated {
IssueId = issue1Id, Description = "Description 1"
},
new IssueUpdated {
IssueId = issue1Id, Description = "Description 1 New"
},
new IssueCreated {
IssueId = issue2Id, Description = "Description 2"
},
new IssueUpdated {
IssueId = issue1Id, Description = "Description 1 Super New"
},
new IssueUpdated {
IssueId = issue2Id, Description = "Description 2 New"
},
};
//1. Create events
EventStore.StartStream <IssuesList>(events);
Session.SaveChanges();
//2. Get transformed events
var changeLogs = Session.Query <IssueChangesLog>().ToList();
changeLogs.Should().Have.Count.EqualTo(events.Length);
changeLogs.Select(ev => ev.IssueId)
.Should().Have.SameValuesAs(events.Select(ev => ev.IssueId));
changeLogs.Count(ev => ev.ChangeType == ChangeType.Creation)
.Should().Be.EqualTo(events.OfType <IssueCreated>().Count());
changeLogs.Count(ev => ev.ChangeType == ChangeType.Modification)
.Should().Be.EqualTo(events.OfType <IssueUpdated>().Count());
changeLogs.Count(ev => ev.IssueId == issue1Id)
.Should().Be.EqualTo(events.Count(ev => ev.IssueId == issue1Id));
changeLogs.Count(ev => ev.IssueId == issue2Id)
.Should().Be.EqualTo(events.Count(ev => ev.IssueId == issue2Id));
}
public void GivenEvents_WhenInlineTransformationIsApplied_ThenReturnsSameNumberOfTransformedItems()
{
var issue1Id = Guid.NewGuid();
var issue2Id = Guid.NewGuid();
var events = new IIssueEvent[]
{
new IssueCreated {
IssueId = issue1Id, Description = "Description 1"
},
new IssueUpdated {
IssueId = issue1Id, Description = "Description 1 New"
},
new IssueCreated {
IssueId = issue2Id, Description = "Description 2"
},
new IssueUpdated {
IssueId = issue1Id, Description = "Description 1 Super New"
},
new IssueUpdated {
IssueId = issue2Id, Description = "Description 2 New"
},
};
//1. Create events
var streamId = EventStore.StartStream <IssuesList>(events).Id;
Session.SaveChanges();
//2. Get live agregation
var issuesListFromLiveAggregation = EventStore.AggregateStream <IssuesList>(streamId);
//3. Get inline aggregation
var issuesListFromInlineAggregation = Session.Load <IssuesList>(streamId);
var projection = Session.Query <IssueDescriptionView>().FirstOrDefault();
issuesListFromLiveAggregation.Should().Not.Be.Null();
issuesListFromInlineAggregation.Should().Not.Be.Null();
issuesListFromLiveAggregation.List.Count.Should().Be.EqualTo(2);
issuesListFromLiveAggregation.List.Count.Should().Be.EqualTo(issuesListFromInlineAggregation.List.Count);
}
public void GivenOutOfOrderEvents_WhenPublishedWithSetVersion_ThenLiveAggregationWorksFine()
{
var firstTaskId = Guid.NewGuid();
var secondTaskId = Guid.NewGuid();
var events = new IIssueEvent[]
{
new IssueUpdated {
IssueId = firstTaskId, Description = "Final First Issue Description", IssueVersion = 4
},
new IssueCreated {
IssueId = firstTaskId, Description = "First Issue", IssueVersion = 1
},
new IssueCreated {
IssueId = secondTaskId, Description = "Second Issue 2", IssueVersion = 2
},
new IssueUpdated {
IssueId = firstTaskId, Description = "Intermediate First Issue Description", IssueVersion = 3
},
new IssueUpdated {
IssueId = secondTaskId, Description = "Final Second Issue Description", IssueVersion = 5
},
};
//1. Create events
var streamId = EventStore.StartStream <IssuesList>(events).Id;
Session.SaveChanges();
//2. Get live agregation
var issuesListFromLiveAggregation = EventStore.AggregateStream <IssuesList>(streamId);
//3. Get inline aggregation
var issuesListFromInlineAggregation = Session.Load <IssuesList>(streamId);
issuesListFromLiveAggregation.Should().Not.Be.Null();
issuesListFromInlineAggregation.Should().Not.Be.Null();
issuesListFromLiveAggregation.List.Count.Should().Be.EqualTo(2);
issuesListFromLiveAggregation.List.Count.Should().Be.EqualTo(issuesListFromInlineAggregation.List.Count);
}