Function TestNodeFileFormat

control/tsp/nodefile_test.go:52–81

TestNodeFileFormat verifies that ReadNodeFile can parse a fixed JSON literal, ensuring we don't accidentally change the on-disk format.

(t *testing.T)

// TestNodeFileFormat verifies that ReadNodeFile can parse a fixed JSON literal,
// ensuring we don't accidentally change the on-disk format.
func TestNodeFileFormat(t *testing.T) {
	const fileContents = `{
  "node_key": "privkey:0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef",
  "machine_key": "privkey:fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210",
  "server_url": "https://controlplane.tailscale.com",
  "server_key": "mkey:1111111111111111111111111111111111111111111111111111111111111111"
}`
	dir := t.TempDir()
	path := filepath.Join(dir, "node.json")
	if err := os.WriteFile(path, []byte(fileContents), 0600); err != nil {
		t.Fatal(err)
	}

	nf, err := ReadNodeFile(path)
	if err != nil {
		t.Fatalf("ReadNodeFile: %v", err)
	}
	if nf.NodeKey.IsZero() {
		t.Error("node key is zero")
	}
	if nf.MachineKey.IsZero() {
		t.Error("machine key is zero")
	}
	if nf.URL != "https://controlplane.tailscale.com" {
		t.Errorf("server URL = %q", nf.URL)
	}
	if nf.ServerInfo.Key.IsZero() {
		t.Error("server key is zero")
	}
}

// TestNodeFileWriteFormat verifies that WriteNodeFile produces the expected
// JSON field names.