mmm: run it on the eventstore/test suite and fix id query logic.

eventstore/test/db_test.go

@@ -8,7 +8,10 @@ import (
 	"fiatjaf.com/nostr"
 	"fiatjaf.com/nostr/eventstore"
 	"fiatjaf.com/nostr/eventstore/lmdb"
+	"fiatjaf.com/nostr/eventstore/mmm"
 	"fiatjaf.com/nostr/eventstore/slicestore"
+	"github.com/rs/zerolog"
+	"github.com/stretchr/testify/require"
 )
 
 var (
@@ -42,3 +45,26 @@ func TestLMDB(t *testing.T) {
 		t.Run(test.name, func(t *testing.T) { test.run(t, &lmdb.LMDBBackend{Path: dbpath + "lmdb"}) })
 	}
 }
+
+func TestMMM(t *testing.T) {
+	for _, test := range tests {
+		os.RemoveAll(dbpath + "mmm")
+		t.Run(test.name, func(t *testing.T) {
+			logger := zerolog.Nop()
+
+			mmmm := &mmm.MultiMmapManager{
+				Dir:    dbpath + "mmm",
+				Logger: &logger,
+			}
+
+			err := mmmm.Init()
+			require.NoError(t, err)
+
+			il := mmm.IndexingLayer{}
+			err = mmmm.EnsureLayer("test", &il)
+			require.NoError(t, err)
+
+			test.run(t, &il)
+		})
+	}
+}