mirror of https://github.com/spf13/afero.git
66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
package afero
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import (
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"path/filepath"
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"strings"
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"testing"
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)
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func TestFilePredicateFs(t *testing.T) {
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mfs := &MemMapFs{}
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txtExts := func(name string) bool {
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return strings.HasSuffix(name, ".txt")
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}
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nonEmpty := func(name string) bool {
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fi, err := mfs.Stat(name)
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if err != nil {
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t.Errorf("Got unexpected Stat err %v", err)
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}
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// Note: If you use this rule, you cannot create any files on the fs
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return fi.Size() > 0
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}
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inHiddenDir := func(path string) bool {
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return strings.HasSuffix(filepath.Dir(path), ".hidden")
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}
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pred := func(path string) bool {
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return nonEmpty(path) && txtExts(path) && !inHiddenDir(path)
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}
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fs := &FilePredicateFs{pred: pred, source: mfs}
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mfs.MkdirAll("/dir/sub/.hidden", 0777)
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for _, name := range []string{"file.txt", "file.html", "empty.txt"} {
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for _, dir := range []string{"/dir/", "/dir/sub/", "/dir/sub/.hidden/"} {
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fh, _ := mfs.Create(dir + name)
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if !strings.HasPrefix(name, "empty") {
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fh.WriteString("file content")
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}
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fh.Close()
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}
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}
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files, _ := ReadDir(fs, "/dir")
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if len(files) != 2 { // file.txt, sub
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t.Errorf("Got wrong number of files: %#v", files)
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}
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f, _ := fs.Open("/dir/sub")
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names, _ := f.Readdirnames(-1)
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if len(names) != 2 {
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// file.txt, .hidden (dirs are not filtered)
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t.Errorf("Got wrong number of names: %v", names)
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}
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hiddenFiles, _ := ReadDir(fs, "/dir/sub/.hidden")
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if len(hiddenFiles) != 0 {
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t.Errorf("Got wrong number of names: %v", hiddenFiles)
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}
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}
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