Atomicfile: Move outside of config package

1 files changed, 0 insertions, 47 deletions

diff --git a/internal/config/atomicfile/atomicfile_test.go b/internal/config/atomicfile/atomicfile_test.go
deleted file mode 100644
index f14cb31..0000000
--- a/internal/config/atomicfile/atomicfile_test.go
+++ /dev/null
@@ -1,47 +0,0 @@
-// Copyright (c) Tailscale Inc & AUTHORS
-// SPDX-License-Identifier: BSD-3-Clause
-
-//go:build !js && !windows
-
-package atomicfile
-
-import (
-	"net"
-	"os"
-	"path/filepath"
-	"runtime"
-	"strings"
-	"testing"
-)
-
-func TestDoesNotOverwriteIrregularFiles(t *testing.T) {
-	// Per tailscale/tailscale#7658 as one example, almost any imagined use of
-	// atomicfile.Write should likely not attempt to overwrite an irregular file
-	// such as a device node, socket, or named pipe.
-
-	const filename = "TestDoesNotOverwriteIrregularFiles"
-	var path string
-	// macOS private temp does not allow unix socket creation, but /tmp does.
-	if runtime.GOOS == "darwin" {
-		path = filepath.Join("/tmp", filename)
-		t.Cleanup(func() { os.Remove(path) }) //nolint:errcheck
-	} else {
-		path = filepath.Join(t.TempDir(), filename)
-	}
-
-	// The least troublesome thing to make that is not a file is a unix socket.
-	// Making a null device sadly requires root.
-	l, err := net.ListenUnix("unix", &net.UnixAddr{Name: path, Net: "unix"})
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer l.Close() //nolint:errcheck
-
-	err = WriteFile(path, []byte("hello"), 0o644)
-	if err == nil {
-		t.Fatal("expected error, got nil")
-	}
-	if !strings.Contains(err.Error(), "is not a regular file") {
-		t.Fatalf("unexpected error: %v", err)
-	}
-}