func assertFetch(lookup string, expected interface{}, root interface{}, t *testing.T) {
if val, err := reflect.Fetch(lookup, root); err != nil {
t.Errorf("expected no error (got %v)", err)
} else if val != expected {
t.Errorf("expected value to equal \"%v\" (got \"%v\")", expected, val)
}
}
func (c *Configuration) get(lookup string) (interface{}, error) {
i, err := reflect.Fetch(lookup, c.root)
if err != nil {
if c.parent != nil {
return c.parent.get(lookup)
}
return nil, err
}
return i, nil
}