Function TestSelectBestService

net/portmapper/select_test.go:21–198

NOTE: this is in a distinct file because the various string constants are pretty verbose.

(t *testing.T)

// pretty verbose.

func TestSelectBestService(t *testing.T) {
	mustParseURL := func(ss string) *url.URL {
		u, err := url.Parse(ss)
		if err != nil {
			t.Fatalf("error parsing URL %q: %v", ss, err)
		}
		return u
	}

	// Run a fake IGD server to respond to UPnP requests.
	igd, err := NewTestIGD(t, TestIGDOptions{UPnP: true})
	if err != nil {
		t.Fatal(err)
	}
	defer igd.Close()

	testCases := []struct {
		name     string
		rootDesc string
		control  map[string]map[string]any
		want     string // controlURL field
	}{
		{
			name:     "single_device",
			rootDesc: testRootDesc,
			control: map[string]map[string]any{
				// Service that's up and should be selected.
				"/ctl/IPConn": {
					"GetExternalIPAddress": testGetExternalIPAddressResponse,
					"GetStatusInfo":        testGetStatusInfoResponse,
				},
			},
			want: "/ctl/IPConn",
		},
		{
			name:     "first_device_disconnected",
			rootDesc: testSelectRootDesc,
			control: map[string]map[string]any{
				// Service that's down; it's important that this is the
				// one that's down since it's ordered first in the XML
				// and we want to verify that our code properly queries
				// and then skips it.
				"/upnp/control/yomkmsnooi/wanipconn-1": {
					"GetStatusInfo": testGetStatusInfoResponseDisconnected,
					// NOTE: nothing else should be called
					// if GetStatusInfo returns a
					// disconnected result
				},
				// Service that's up and should be selected.
				"/upnp/control/xstnsgeuyh/wanipconn-7": {
					"GetExternalIPAddress": testGetExternalIPAddressResponse,
					"GetStatusInfo":        testGetStatusInfoResponse,
				},
			},
			want: "/upnp/control/xstnsgeuyh/wanipconn-7",
		},
		{
			name:     "prefer_public_external_IP",