func BenchmarkTraversesSymlink(b *testing.B) { os.RemoveAll("testdata") defer os.RemoveAll("testdata") os.MkdirAll("testdata/a/b/c", 0755) for i := 0; i < b.N; i++ { traversesSymlinkResult = osutil.TraversesSymlink("testdata", "a/b/c") } b.ReportAllocs() }
func TestTraversesSymlink(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 traverses bool }{ // Exist {".", false}, {"a", false}, {"a/b", false}, {"a/b/c", false}, // Don't exist {"x", false}, {"a/x", false}, {"a/b/x", false}, {"a/x/c", false}, // Symlink or behind symlink {"a/l", true}, {"a/l/c", true}, // Non-existing behind a symlink {"a/l/x", true}, } for _, tc := range cases { if res := osutil.TraversesSymlink("testdata", tc.name); tc.traverses == (res == nil) { t.Errorf("TraversesSymlink(%q) = %v, should be %v", tc.name, res, tc.traverses) } } }