// TestV2RetryRefuse tests destructive api calls will retry if a connection is refused.
func TestV2RetryRefuse(t *testing.T) {
defer testutil.AfterTest(t)
cl := integration.NewCluster(t, 1)
cl.Launch(t)
defer cl.Terminate(t)
// test connection refused; expect no error failover
cli := integration.MustNewHTTPClient(t, []string{integration.UrlScheme + "://refuseconn:123", cl.URL(0)}, nil)
kapi := client.NewKeysAPI(cli)
if _, err := kapi.Set(context.Background(), "/delkey", "def", nil); err != nil {
t.Fatal(err)
}
for i, f := range noRetryList(kapi) {
if err := f(); err != nil {
t.Errorf("#%d: unexpected retry failure (%v)", i, err)
}
}
}
func TestRegistrar(t *testing.T) {
ts := etcdi.NewCluster(t, 1)
ts.Launch(t)
kitClient, err := NewClient(context.Background(), []string{ts.URL(0)}, kitClientOptions)
// Valid registrar should pass
registrar := NewRegistrar(kitClient, Service{
Key: "somekey",
Value: "somevalue",
DeleteOptions: &etcdc.DeleteOptions{
PrevValue: "",
PrevIndex: 0,
Recursive: true,
Dir: false,
},
}, log.NewNopLogger())
registrar.Register()
r1, err := kitClient.GetEntries(registrar.service.Key)
if err != nil {
t.Fatalf("unexpected error when getting value for deregistered key: %v", err)
}
if want, have := registrar.service.Value, r1[0]; want != have {
t.Fatalf("want %q, have %q", want, have)
}
registrar.Deregister()
r2, err := kitClient.GetEntries(registrar.service.Key)
if len(r2) > 0 {
t.Fatalf("unexpected value found for deregistered key: %s", r2)
}
// Registrar with no key should register but value will be blank
registrarNoKey := NewRegistrar(kitClient, Service{
Key: "",
Value: "somevalue",
DeleteOptions: &etcdc.DeleteOptions{
PrevValue: "",
PrevIndex: 0,
Recursive: true,
Dir: false,
},
}, log.NewNopLogger())
registrarNoKey.Register()
r3, err := kitClient.GetEntries(registrarNoKey.service.Key)
if err != nil {
t.Errorf("unexpected error when getting value for entry with no key: %v", err)
}
if want, have := "", r3[0]; want != have {
t.Fatalf("want %q, have %q", want, have)
}
// Registrar with no value should not register anything
registrarNoValue := NewRegistrar(kitClient, Service{
Key: "somekey",
Value: "",
DeleteOptions: &etcdc.DeleteOptions{
PrevValue: "",
PrevIndex: 0,
Recursive: true,
Dir: false,
},
}, log.NewNopLogger())
registrarNoValue.Register()
r4, err := kitClient.GetEntries(registrarNoValue.service.Key)
if err == nil {
t.Errorf("expected error when getting value for entry key which attempted to register with no value")
}
if len(r4) > 0 {
t.Fatalf("unexpected value retreived when getting value for entry with no value")
}
ts.Terminate(t)
}