diff --git a/memmap.go b/memmap.go index d6c744e..cc539c0 100644 --- a/memmap.go +++ b/memmap.go @@ -285,10 +285,22 @@ func (m *MemMapFs) Remove(name string) error { defer m.mu.Unlock() if _, ok := m.getData()[name]; ok { + descendants := m.findDescendants(name) + for i := 1; i <= len(descendants); i++ { + descendant := descendants[len(descendants)-i] + descName := descendant.Name() + err := m.unRegisterWithParent(descName) + if err != nil { + return &os.PathError{Op: "descendant remove", Path: name, Err: err} + } + delete(m.getData(), descName) + } + err := m.unRegisterWithParent(name) if err != nil { return &os.PathError{Op: "remove", Path: name, Err: err} } + delete(m.getData(), name) } else { return &os.PathError{Op: "remove", Path: name, Err: os.ErrNotExist} @@ -299,14 +311,18 @@ func (m *MemMapFs) Remove(name string) error { func (m *MemMapFs) RemoveAll(path string) error { path = normalizePath(path) m.mu.Lock() - m.unRegisterWithParent(path) + _ = m.unRegisterWithParent(path) m.mu.Unlock() m.mu.RLock() defer m.mu.RUnlock() for p := range m.getData() { - if p == path || strings.HasPrefix(p, path+FilePathSeparator) { + separator := FilePathSeparator + if path == FilePathSeparator { + separator = "" + } + if p == path || strings.HasPrefix(p, path+separator) { m.mu.RUnlock() m.mu.Lock() delete(m.getData(), p) diff --git a/memmap_test.go b/memmap_test.go index c47fadc..dbf89b4 100644 --- a/memmap_test.go +++ b/memmap_test.go @@ -918,3 +918,70 @@ func TestMemMapFsRename(t *testing.T) { } } } + +func TestMemMapFsRemove(t *testing.T) { + t.Parallel() + + testData := map[string]struct { + dirsToCreate []string + dirsToRemove []string + expectedErrMsg string + }{ + "Remove child before - success": { + dirsToCreate: []string{"/parent1/parent2/fileForDelete1.txt"}, + dirsToRemove: []string{ + "/parent1/parent2/fileForDelete1.txt", + "/parent1/parent2", + }, + }, + "Remove parent before - should return error": { + dirsToCreate: []string{"/parent1/parent2/fileForDelete1.txt"}, + dirsToRemove: []string{ + "/parent1/parent2", + "/parent1/parent2/fileForDelete1.txt", + }, + expectedErrMsg: "remove /parent1/parent2/fileForDelete1.txt: file does not exist", + }, + "Remove root and then parent1 - should return error": { + dirsToCreate: []string{"/root/parent1/parent2/fileForDelete1.txt"}, + dirsToRemove: []string{ + "/root", + "/root/parent1", + }, + expectedErrMsg: "remove /root/parent1: file does not exist", + }, + "Remove parent2 and then parent 1 - success": { + dirsToCreate: []string{"/parent1/parent2/fileForDelete1.txt"}, + dirsToRemove: []string{ + "/parent1/parent2", + "/parent1", + }, + }, + } + + fs := &MemMapFs{} + + for caseName, td := range testData { + _, err := fs.Stat("/") + if err == nil { + err = fs.RemoveAll("/") + if err != nil { + t.Fatalf("%s: RemoveAll %q failed: %v", fs.Name(), "/", err) + } + } + + for _, toCreate := range td.dirsToCreate { + err = fs.MkdirAll(toCreate, os.FileMode(0775)) + if err != nil && err.Error() != td.expectedErrMsg { + t.Fatalf("#CASE %v %s: Mkdir %q failed: %v", caseName, fs.Name(), toCreate, err) + } + } + + for _, toRemove := range td.dirsToRemove { + err = fs.Remove(toRemove) + if err != nil && err.Error() != td.expectedErrMsg { + t.Fatalf("#CASE %v %s: Remove %q failed: %v", caseName, fs.Name(), toRemove, err) + } + } + } +}