package consul
import (
"context"
"testing"
consul "github.com/hashicorp/consul/api"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/sd"
)
var _ sd.Instancer = &Instancer{} // API check
var consulState = []*consul.ServiceEntry{
{
Node: &consul.Node{
Address: "10.0.0.0",
Node: "app00.local",
},
Service: &consul.AgentService{
ID: "search-api-0",
Port: 8000,
Service: "search",
Tags: []string{
"api",
"v1",
},
},
},
{
Node: &consul.Node{
Address: "10.0.0.1",
Node: "app01.local",
},
Service: &consul.AgentService{
ID: "search-api-1",
Port: 8001,
Service: "search",
Tags: []string{
"api",
"v2",
},
},
},
{
Node: &consul.Node{
Address: "10.0.0.1",
Node: "app01.local",
},
Service: &consul.AgentService{
Address: "10.0.0.10",
ID: "search-db-0",
Port: 9000,
Service: "search",
Tags: []string{
"db",
},
},
},
}
func TestInstancer(t *testing.T) {
var (
logger = log.NewNopLogger()
client = newTestClient(consulState)
)
s := NewInstancer(client, logger, "search", []string{"api"}, true)
defer s.Stop()
state := s.cache.State()
if want, have := 2, len(state.Instances); want != have {
t.Errorf("want %d, have %d", want, have)
}
}
func TestInstancerNoService(t *testing.T) {
var (
logger = log.NewNopLogger()
client = newTestClient(consulState)
)
s := NewInstancer(client, logger, "feed", []string{}, true)
defer s.Stop()
state := s.cache.State()
if want, have := 0, len(state.Instances); want != have {
t.Fatalf("want %d, have %d", want, have)
}
}
func TestInstancerWithTags(t *testing.T) {
var (
logger = log.NewNopLogger()
client = newTestClient(consulState)
)
s := NewInstancer(client, logger, "search", []string{"api", "v2"}, true)
defer s.Stop()
state := s.cache.State()
if want, have := 1, len(state.Instances); want != have {
t.Fatalf("want %d, have %d", want, have)
}
}
func TestInstancerAddressOverride(t *testing.T) {
s := NewInstancer(newTestClient(consulState), log.NewNopLogger(), "search", []string{"db"}, true)
defer s.Stop()
state := s.cache.State()
if want, have := 1, len(state.Instances); want != have {
t.Fatalf("want %d, have %d", want, have)
}
endpoint, closer, err := testFactory(state.Instances[0])
if err != nil {
t.Fatal(err)
}
if closer != nil {
defer closer.Close()
}
response, err := endpoint(context.Background(), struct{}{})
if err != nil {
t.Fatal(err)
}
if want, have := "10.0.0.10:9000", response.(string); want != have {
t.Errorf("want %q, have %q", want, have)
}
}