//go:build integration

package testbus

import (
	"strings"
	"testing"

	"github.com/nats-io/nats.go"
)

func TestEveryTestHasABusOfItsOwn(t *testing.T) {
	seen := map[string]bool{}
	for i := 0; i < 2; i++ {
		t.Run("one", func(t *testing.T) {
			url := URL(t)
			if seen[url] {
				t.Fatalf("two tests were handed %s", url)
			}
			seen[url] = true
			conn, err := nats.Connect(url)
			if err != nil {
				t.Fatal(err)
			}
			defer conn.Close()
			js, err := conn.JetStream()
			if err != nil {
				t.Fatal(err)
			}
			if _, err := js.StreamInfo("EVENTS"); err == nil {
				t.Fatal("a stream an earlier test made is here")
			}
			if _, err := js.AddStream(&nats.StreamConfig{Name: "EVENTS", Subjects: []string{"mesh.>"}}); err != nil {
				t.Fatal(err)
			}
		})
	}
	// Asked twice, one test reaches one bus.
	if a, b := URL(t), URL(t); a != b {
		t.Errorf("one test was handed two buses: %s and %s", a, b)
	}
	if v := strings.Count(Version, "."); v != 2 {
		t.Errorf("the server's release reads %q", Version)
	}
}