public void FindAndRemovesUnusedKeys()
{
StoreJob(1, "Create leak");
StoreJob(1, "Code");
using (var visitor = new FindUnusedKeysVisitor())
{
using (var tr = _db.StartReadOnlyTransaction())
{
visitor.ImportAllKeys(tr);
visitor.Iterate(tr);
}
var report = DumpUnseenKeys(visitor, "\r\n");
Approvals.Verify(report);
using (var tr = _db.StartTransaction())
{
visitor.DeleteUnused(tr);
tr.Commit();
}
}
ReopenDb();
AssertNoLeaksInDb();
using (var tr = _db.StartReadOnlyTransaction())
{
var jobs = tr.Singleton<JobMap>();
//check that db has is not broken after removing unused keys
Assert.Equal(jobs.Jobs[1].Duty.Name, "Code");
}
}
string FindLeaks()
{
using (var visitor = new FindUnusedKeysVisitor())
{
using (var tr = _db.StartReadOnlyTransaction())
{
visitor.ImportAllKeys(tr);
visitor.Iterate(tr);
return DumpUnseenKeys(visitor, " ");
}
}
}
public void FindAndRemovesUnusedKeys()
{
StoreJobInDictionary("programming", "code");
StoreJobInDictionary("chess", "mate");
using (var tr = _db.StartTransaction())
{
var sports = tr.Singleton<Directory>();
sports.Dir["programming"] = new JobMap();
tr.Commit();
}
using (var visitor = new FindUnusedKeysVisitor())
{
using (var tr = _db.StartReadOnlyTransaction())
{
visitor.ImportAllKeys(tr);
visitor.Iterate(tr);
}
var report = DumpUnseenKeys(visitor, "\r\n");
Approvals.Verify(report);
using (var tr = _db.StartTransaction())
{
visitor.DeleteUnused(tr);
tr.Commit();
}
}
ReopenDb();
AssertNoLeaksInDb();
using (var tr = _db.StartReadOnlyTransaction())
{
//check that db has is not broken after removing unused keys
var sports = tr.Singleton<Directory>();
Assert.Equal(sports.Dir["chess"].Jobs[0].Duty.Name, "mate");
}
}
public VisitorForFindUnused(FindUnusedKeysVisitor finder)
{
_finder = finder;
}
static string DumpUnseenKeys(FindUnusedKeysVisitor visitor, string concat)
{
var builder = new StringBuilder();
foreach (var unseenKey in visitor.UnseenKeys())
{
if (builder.Length > 0)
builder.Append(concat);
foreach (var b in unseenKey.Key)
builder.Append(b.ToString("X2"));
builder.Append(" Value len:");
builder.Append(unseenKey.ValueSize);
}
return builder.ToString();
}
public VisitorForFindUnused(FindUnusedKeysVisitor finder)
{
_finder = finder;
}