func TestCollectionExistsAndStats(t *testing.T) {
database, err := setup()
if err != nil {
t.Fatalf("error connecting to database with error: %v", err)
}
defer database.Session.Close()
testColl := "testStats"
colSize := 8192
coll, err := mgoStreamingCollection.CreateOrConvertCollection(database, testColl, colSize)
if err != nil {
t.Errorf("error creating collection with error: %v", err)
}
exists, err := mgoStreamingCollection.CollectionExists(database, testColl)
if err != nil {
t.Errorf("error checking collection existence with error: %v", err)
}
if !exists {
t.Errorf("collection %s does not exist", testColl)
}
stats, err := mgoStreamingCollection.Stats(coll)
if err != nil {
t.Errorf("error getting collection stats with error: %v", err)
}
if !stats.Capped {
t.Errorf("collection %s not capped", testColl)
}
if stats.MaxBytes != colSize {
t.Log(stats.MaxBytes)
t.Errorf("collection %s size not set %d", testColl, colSize)
}
}
func TestTailQuery(t *testing.T) {
database, err := setup()
if err != nil {
t.Fatalf("error connecting to database with error: %v", err)
}
defer database.Session.Close()
collectionName := "testTailQuery"
collectionSize := 1024
if exists, _ := mgoStreamingCollection.CollectionExists(database, collectionName); exists {
database.C(collectionName).DropCollection()
}
cappedCollection, err := mgoStreamingCollection.CreateOrConvertCollection(database, collectionName, collectionSize)
if err != nil {
t.Errorf("collection creation failed with error: %v", err)
}
ch := make(chan interface{})
go mgoStreamingCollection.TailQuery(cappedCollection.Find(nil), ch)
for i := 0; i < 3; i++ {
cappedCollection.Insert(bson.M{"name": "husayn", "count": i})
for msg := range ch {
if msg != nil {
t.Log(msg)
break
}
t.Errorf("inserted document not read with cound %d", i)
}
}
close(ch)
}