func checkDirectoryContents(directory storage.Directory, expectedContents []string) (entries map[string]storage.Entry, e error) {
entries = make(map[string]storage.Entry)
e = nil
contents := make([]string, 0, 10)
for entry, err := directory.NextEntry(); entry != nil; entry, err = directory.NextEntry() {
if err != nil {
e = errors.New(fmt.Sprintf("error while iterating over directory entries: %v", err))
return
}
contents = append(contents, entry.Name())
entries[entry.Name()] = entry
}
if len(contents) != len(expectedContents) {
e = errors.New(fmt.Sprintf("expected %d dir entries, got %d instead", len(expectedContents), len(contents)))
return
}
sort.Sort(sort.StringSlice(contents))
sort.Sort(sort.StringSlice(expectedContents))
for idx, filename := range contents {
if filename != expectedContents[idx] {
e = errors.New(fmt.Sprintf("directory listing differs at %d: expected %s, got %s", idx, expectedContents[idx], filename))
return
}
}
return
}
