func BenchmarkIsDir(b *testing.B) {
os.RemoveAll("testdata")
defer os.RemoveAll("testdata")
os.MkdirAll("testdata/a/b/c", 0755)
for i := 0; i < b.N; i++ {
isDirResult = osutil.IsDir("testdata", "a/b/c")
}
b.ReportAllocs()
}
func TestIsDir(t *testing.T) {
if !symlinks.Supported {
t.Skip("pointless test")
return
}
os.RemoveAll("testdata")
defer os.RemoveAll("testdata")
os.MkdirAll("testdata/a/b/c", 0755)
symlinks.Create("testdata/a/l", "b", symlinks.TargetDirectory)
// a/l -> b, so a/l/c should resolve by normal stat
info, err := osutil.Lstat("testdata/a/l/c")
if err != nil {
t.Fatal("unexpected error", err)
}
if !info.IsDir() {
t.Fatal("error in setup, a/l/c should be a directory")
}
cases := []struct {
name string
isDir bool
}{
// Exist
{".", true},
{"a", true},
{"a/b", true},
{"a/b/c", true},
// Don't exist
{"x", false},
{"a/x", false},
{"a/b/x", false},
{"a/x/c", false},
// Symlink or behind symlink
{"a/l", false},
{"a/l/c", false},
}
for _, tc := range cases {
if res := osutil.IsDir("testdata", tc.name); res != tc.isDir {
t.Errorf("IsDir(%q) = %v, should be %v", tc.name, res, tc.isDir)
}
}
}