Function TestDERPMap

tailnet/convert_test.go:156–208

(t *testing.T)

}

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

	// Tailscale DERP map on 2023-11-20 for testing purposes.
	tailscaleDERPMap, err := os.ReadFile("testdata/tailscale_derpmap.json")
	require.NoError(t, err)

	derpMap := &tailcfg.DERPMap{}
	err = json.Unmarshal(tailscaleDERPMap, derpMap)
	require.NoError(t, err)

	// The tailscale DERPMap doesn't have HomeParams.
	derpMap.HomeParams = &tailcfg.DERPHomeParams{
		RegionScore: map[int]float64{
			1: 2,
			2: 3,
		},
	}

	// Add a region and node that uses every single field.
	derpMap.Regions[999] = &tailcfg.DERPRegion{
		RegionID:      999,
		EmbeddedRelay: true,
		RegionCode:    "zzz",
		RegionName:    "Cool Region",
		Avoid:         true,

		Nodes: []*tailcfg.DERPNode{
			{
				Name:             "zzz1",
				RegionID:         999,
				HostName:         "coolderp.com",
				IPv4:             "1.2.3.4",
				IPv6:             "2001:db8::1",
				STUNPort:         1234,
				STUNOnly:         true,
				DERPPort:         5678,
				InsecureForTests: true,
				ForceHTTP:        true,
				STUNTestIP:       "5.6.7.8",
				CanPort80:        true,
			},
		},
	}

	protoMap := tailnet.DERPMapToProto(derpMap)
	require.NotNil(t, protoMap)

	derpMap2 := tailnet.DERPMapFromProto(protoMap)
	require.NotNil(t, derpMap2)

	require.Equal(t, derpMap, derpMap2)
}