package web

import (
	"net/http/httptest"
	"strings"
	"testing"
)

func TestLocaleURLPreservesExplorerQuery(t *testing.T) {
	request := httptest.NewRequest("GET", "/accounts?class=USER_AVAILABLE&asset_id=9", nil)
	value := localeURL(request, LocalePersian)
	for _, expected := range []string{"/accounts?", "class=USER_AVAILABLE", "asset_id=9", "lang=fa"} {
		if !strings.Contains(value, expected) {
			t.Fatalf("locale URL %q did not preserve %q", value, expected)
		}
	}
}

func TestTranslationFallsBackToEnglish(t *testing.T) {
	if got := tr(Locale("invalid"), "overview"); got != "Overview" {
		t.Fatalf("unexpected fallback translation: %q", got)
	}
}