public void GetEventLogEntitiesToDelete(int numEventLogEntries, int maxEventLogEntries)
{
IList <WorkflowRunLogEntry> entries;
ICollection <long> entitiesToDelete;
// Remove any existing log entries
Entity.Delete(Entity.GetInstancesOfType <WorkflowRunLogEntry>().Select(e => e.Id));
// Create the test entries
entries = Enumerable.Range(0, numEventLogEntries)
.Select(i =>
{
WorkflowRunLogEntry entry;
entry = new WorkflowRunLogEntry
{
Name = string.Format("Test Entry {0}", i + 1),
LogEntrySeverity_Enum = LogSeverityEnum_Enumeration.InformationSeverity
};
entry.Save();
// Wait to ensure creation times are different. The resolution of
// CreatedDate is a second, unfortunately.
Thread.Sleep(1000);
return(entry);
})
.ToList();
// Reload the entities to get the correct created date and other fields
entries = Entity.Get <WorkflowRunLogEntry>(entries.Select(e => e.Id), new IEntityRef[] { Resource.CreatedDate_Field })
.OrderBy(e => e.CreatedDate)
.ToList();
// Find the entities to delete
entitiesToDelete = new ActivityLogPurger().GetEventLogEntitiesToDelete(maxEventLogEntries);
Assert.That(
entitiesToDelete,
Is.EquivalentTo(
entries.Take(Math.Max(numEventLogEntries - maxEventLogEntries, 0))
.Select(e => e.Id)));
}
public void Purge(int numEventLogEntries, int maxEventLogEntries)
{
IList <WorkflowRunLogEntry> entries;
EventLogSettings eventLogSettings;
int numberEntitiesDeleted;
var workflowRunLogEntries = Entity.GetInstancesOfType <WorkflowRunLogEntry>( ).ToList( );
var longs = workflowRunLogEntries.Select(e => e.Id).ToList( );
// Remove any existing log entries
Entity.Delete(longs);
// Create the test entries
entries = Enumerable.Range(0, numEventLogEntries)
.Select(i =>
{
WorkflowRunLogEntry entry;
entry = new WorkflowRunLogEntry
{
Name = string.Format("Test Entry {0}", i + 1),
LogEntrySeverity_Enum = LogSeverityEnum_Enumeration.InformationSeverity
};
entry.Save();
// Wait to ensure creation times are different. The resolution of
// CreatedDate is a second, unfortunately.
Thread.Sleep(1000);
return(entry);
})
.ToList();
// Reload the entities to get the correct created date and other fields
entries = Entity.Get <WorkflowRunLogEntry>(entries.Select(e => e.Id), new IEntityRef[] { Resource.CreatedDate_Field })
.OrderBy(e => e.CreatedDate)
.ToList();
// Set the maximum number of event log entries
eventLogSettings = Entity.Get <EventLogSettings>(ActivityLogPurger.EventLogSettingsAlias, true);
eventLogSettings.MaxEventLogEntries = maxEventLogEntries;
eventLogSettings.Save();
using (EventLogMonitor eventLogMonitor = new EventLogMonitor())
{
new ActivityLogPurger().Purge();
numberEntitiesDeleted = Math.Max(numEventLogEntries - maxEventLogEntries, 0);
if (numberEntitiesDeleted > 0)
{
Assert.That(
eventLogMonitor.Entries,
Has.Exactly(1)
.Property("Message").Matches("Deleting \\d+ excess event log entry entities.")
.And.Property("Level").EqualTo(EventLogLevel.Information));
}
workflowRunLogEntries = Entity.GetInstancesOfType <WorkflowRunLogEntry>( ).ToList( );
longs = workflowRunLogEntries.Select(e => e.Id).ToList( );
Assert.That(longs,
Is.EquivalentTo(
entries.Reverse()
.Take(Math.Min(maxEventLogEntries, numEventLogEntries))
.Select(e => e.Id)));
}
}
