// Attempts to get all collections and truncate each one of them.
func TestTruncate(t *testing.T) {
var err error
var sess db.Database
var collections []string
var col db.Collection
// Opening database.
if sess, err = db.Open(Adapter, settings); err != nil {
t.Fatal(err)
}
// We should close the database when it's no longer in use.
defer sess.Close()
// Getting a list of all collections in this database.
if collections, err = sess.Collections(); err != nil {
t.Fatal(err)
}
if len(collections) == 0 {
t.Fatalf("Expecting some collections.")
}
// Walking over collections.
for _, name := range collections {
// Getting a collection.
if col, err = sess.Collection(name); err != nil {
t.Fatal(err)
}
// Table must exists before we can use it.
if col.Exists() == true {
// Truncating the table.
if err = col.Truncate(); err != nil {
t.Fatal(err)
}
}
}
}