Function TestServer_DisabledDERP_ExternalMap

cli/server_test.go:2489–2522

(t *testing.T)

}

func TestServer_DisabledDERP_ExternalMap(t *testing.T) {
	t.Parallel()

	derpMap, _ := tailnettest.RunDERPAndSTUN(t)
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		httpapi.Write(context.Background(), w, http.StatusOK, derpMap)
	}))
	t.Cleanup(srv.Close)

	ctx, cancelFunc := context.WithTimeout(context.Background(), testutil.WaitShort)
	defer cancelFunc()

	// Try to start a server with the built-in DERP server disabled and an
	// external DERP map.
	inv, cfg := clitest.New(t,
		"server",
		dbArg(t),
		"--http-address", ":0",
		"--access-url", "http://example.com",
		"--derp-server-enable=false",
		"--derp-config-url", srv.URL,
	)
	clitest.Start(t, inv.WithContext(ctx))
	accessURL := waitAccessURL(t, cfg)
	derpURL, err := accessURL.Parse("/derp")
	require.NoError(t, err)

	c, err := derphttp.NewClient(key.NewNode(), derpURL.String(), func(format string, args ...any) {})
	require.NoError(t, err)

	// DERP should fail to connect
	err = c.Connect(ctx)
	require.Error(t, err)
}

type runServerOpts struct {
	waitForSnapshot               bool