package store

import (
	"strings"
	"testing"
)

func TestTenantDSNUsesConfiguredDSN(t *testing.T) {
	got, err := tenantDSN("root:pass@tcp(127.0.0.1:3306)/tinode?parseTime=true", "", "mysql:user:secret@tcp(db:3306)/meeting_im?parseTime=true")
	if err != nil {
		t.Fatalf("tenantDSN returned error: %v", err)
	}
	want := "user:secret@tcp(db:3306)/meeting_im?parseTime=true"
	if got != want {
		t.Fatalf("tenantDSN = %q, want %q", got, want)
	}
}

func TestTenantDSNDerivesDBName(t *testing.T) {
	got, err := tenantDSN("root:pass@tcp(127.0.0.1:3306)/tinode?charset=utf8mb4&parseTime=true&loc=Local", "meeting_im", "")
	if err != nil {
		t.Fatalf("tenantDSN returned error: %v", err)
	}
	if got == "" || got == "root:pass@tcp(127.0.0.1:3306)/tinode?charset=utf8mb4&parseTime=true&loc=Local" {
		t.Fatalf("tenantDSN did not derive a tenant database DSN: %q", got)
	}
	if parsed := "meeting_im"; !strings.Contains(got, "/"+parsed+"?") {
		t.Fatalf("tenantDSN = %q, want database %q", got, parsed)
	}
}