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package mdns_test
import (
"log"
"net"
"os"
"testing"
"github.com/hashicorp/mdns"
discover "github.com/hashicorp/go-discover"
provider "github.com/hashicorp/go-discover/provider/mdns"
)
func newTestServer() (*mdns.Server, error) {
zone, err := mdns.NewMDNSService(
"localhost",
"_test-service._noop",
"local.",
"",
1234,
[]net.IP{net.IPv4(127, 0, 0, 1)},
[]string{"testing123"},
)
if err != nil {
return nil, err
}
return mdns.NewServer(&mdns.Config{Zone: zone})
}
func TestDiscover(t *testing.T) {
type testCases []struct {
desc string
args discover.Config
fail bool
addrs int
}
cases := testCases{
{
"valid config - no addresses",
discover.Config{
"provider": "mdns",
"service": "_fake-service._noop",
"domain": "local",
"timeout": "1s",
"v6": "false",
"v4": "false",
},
false,
0,
},
{
"valid config - one address",
discover.Config{
"provider": "mdns",
"service": "_test-service._noop",
"domain": "local",
"timeout": "10s",
"v6": "true",
"v4": "true",
},
false,
1,
},
{
"invalid config - missing service option",
discover.Config{
"provider": "mdns",
"service": "",
"domain": "test",
"timeout": "1s",
"v6": "false",
"v4": "false",
},
true,
0,
},
{
"invalid config - bad timeout option",
discover.Config{
"provider": "mdns",
"service": "_fake-service._noop",
"domain": "test",
"timeout": "1z",
"v6": "false",
"v4": "false",
},
true,
0,
},
{
"invalid config - bad v6 option",
discover.Config{
"provider": "mdns",
"service": "_fake-service._noop",
"domain": "test",
"timeout": "1s",
"v6": "xxxx",
"v4": "false",
},
true,
0,
},
{
"invalid config - bad v4 option",
discover.Config{
"provider": "mdns",
"service": "_fake-service._noop",
"domain": "test",
"timeout": "1s",
"v6": "false",
"v4": "xxxx",
},
true,
0,
},
}
p := &provider.Provider{}
l := log.New(os.Stderr, "", log.LstdFlags)
svr, err := newTestServer()
if err != nil {
t.Fatalf("Failed to start test server: %s", err.Error())
return
}
defer svr.Shutdown()
for idx, tc := range cases {
addrs, err := p.Addrs(tc.args, l)
if !tc.fail && err != nil {
t.Fatalf("FAIL [%d/%d] %s -> %s",
idx, len(cases), tc.desc, err)
}
if len(addrs) != tc.addrs {
t.Fatalf("FAIL [%d/%d] %s -> wrong addr count: expected %d / got %d",
idx, len(cases), tc.desc, tc.addrs, len(addrs))
}
t.Logf("PASS [%d/%d] %s", idx, len(cases), tc.desc)
}
}
|
