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package eureka
import (
"testing"
"time"
)
func TestRegistrar(t *testing.T) {
connection := &testConnection{
errHeartbeat: errTest,
}
registrar1 := NewRegistrar(connection, instanceTest1, loggerTest)
registrar2 := NewRegistrar(connection, instanceTest2, loggerTest)
// Not registered.
registrar1.Deregister()
if want, have := 0, len(connection.instances); want != have {
t.Errorf("want %d, have %d", want, have)
}
// Register.
registrar1.Register()
if want, have := 1, len(connection.instances); want != have {
t.Errorf("want %d, have %d", want, have)
}
registrar2.Register()
if want, have := 2, len(connection.instances); want != have {
t.Errorf("want %d, have %d", want, have)
}
// Deregister.
registrar1.Deregister()
if want, have := 1, len(connection.instances); want != have {
t.Errorf("want %d, have %d", want, have)
}
// Already registered.
registrar1.Register()
if want, have := 2, len(connection.instances); want != have {
t.Errorf("want %d, have %d", want, have)
}
registrar1.Register()
if want, have := 2, len(connection.instances); want != have {
t.Errorf("want %d, have %d", want, have)
}
// Wait for a heartbeat failure.
time.Sleep(1010 * time.Millisecond)
if want, have := 2, len(connection.instances); want != have {
t.Errorf("want %d, have %d", want, have)
}
registrar1.Deregister()
if want, have := 1, len(connection.instances); want != have {
t.Errorf("want %d, have %d", want, have)
}
}
func TestBadRegister(t *testing.T) {
connection := &testConnection{
errRegister: errTest,
}
registrar := NewRegistrar(connection, instanceTest1, loggerTest)
registrar.Register()
if want, have := 0, len(connection.instances); want != have {
t.Errorf("want %d, have %d", want, have)
}
}
func TestBadDeregister(t *testing.T) {
connection := &testConnection{
errDeregister: errTest,
}
registrar := NewRegistrar(connection, instanceTest1, loggerTest)
registrar.Register()
if want, have := 1, len(connection.instances); want != have {
t.Errorf("want %d, have %d", want, have)
}
registrar.Deregister()
if want, have := 1, len(connection.instances); want != have {
t.Errorf("want %d, have %d", want, have)
}
}
func TestExpiredInstance(t *testing.T) {
connection := &testConnection{
errHeartbeat: errNotFound,
}
registrar := NewRegistrar(connection, instanceTest1, loggerTest)
registrar.Register()
// Wait for a heartbeat failure.
time.Sleep(1010 * time.Millisecond)
if want, have := 1, len(connection.instances); want != have {
t.Errorf("want %d, have %d", want, have)
}
}
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