Languages []Language `gorm:"many2many:UserSpeak;"`
	Friends   []*User    `gorm:"many2many:user_friends;"`
	Active    bool
}

type Account struct {
	gorm.Model
	UserID sql.NullInt64
	Number string
}

type Pet struct {
	gorm.Model
	UserID *uint
	Name   string
	Toy    Toy `gorm:"polymorphic:Owner;"`
}

type Toy struct {
	gorm.Model
	Name      string
	OwnerID   string
	OwnerType string
}

			}},
			References: []Reference{{"ID", "User", "UserID", "UserSpeak", "", true}, {"Code", "Language", "LanguageCode", "UserSpeak", "", false}},
		},
		{
			Name: "Friends", Type: schema.Many2Many, Schema: "User", FieldSchema: "User",
			JoinTable: JoinTable{Name: "user_friends", Table: "user_friends", Fields: []schema.Field{
				{
					Name: "UserID", DBName: "user_id", BindNames: []string{"UserID"}, DataType: schema.Uint,

		} else {
			AssertObjEqual(t, newPet, pet, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "UserID", "Name")
			AssertObjEqual(t, newPet, expect, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "UserID", "Name")
		}
	}

	AssertObjEqual(t, pet, expect, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "UserID", "Name")

	k.accessToken = accessToken
	k.Unlock()
	return nil
}

// LookupUser lookup user by their userid.
func (k *KeycloakProvider) LookupUser(userid string) (User, error) {
	req, err := http.NewRequest(http.MethodGet, k.adminURL, nil)
	if err != nil {
		return User{}, err
	}
	req.URL.Path = path.Join(req.URL.Path, "realms", k.realm, "users", userid)

	k.Lock()
	accessToken := k.accessToken
	k.Unlock()
	if accessToken.AccessToken == "" {

        assertEquals("Abc", StringUtil.capitalize("abc"));
        assertEquals("Abc", StringUtil.capitalize("Abc"));
        assertEquals("ABC", StringUtil.capitalize("ABC"));
        assertEquals("UserId", StringUtil.capitalize("userId"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testDecapitalize() throws Exception {
        assertEquals("abc", StringUtil.decapitalize("abc"));

}

// LookupUser lookup userid for the provider
func (r Config) LookupUser(roleArn, userid string) (provider.User, error) {
	// Can safely ignore error here as empty or invalid ARNs will not be
	// mapped.
	arnVal, _ := arn.Parse(roleArn)
	pCfg, ok := r.arnProviderCfgsMap[arnVal]
	if ok {
		user, err := pCfg.provider.LookupUser(userid)
		if err != nil && err != provider.ErrAccessTokenExpired {

	type Profile struct {
		gorm.Model
		Name   string
		UserID uint
	}

	type User struct {
		gorm.Model
		Refer   string
		Profile Profile `gorm:"ForeignKey:UserID;References:Refer"`
	}

	checkStructRelation(t, &User{}, Relation{
		Name: "Profile", Type: schema.HasOne, Schema: "User", FieldSchema: "Profile",
		References: []Reference{{"Refer", "User", "UserID", "Profile", "", true}},
	})
}

		Joins("LEFT OUTER JOIN pets ON pets.user_id = users.id").Find(&results)

	if len(results) == 0 {
		t.Fatalf("no record find")
	} else if results[0].Pet.UserID == nil || *(results[0].Pet.UserID) != user.ID {
		t.Fatalf("wrong user id in pet")
	} else if results[0].Pet.Name != user.Pets[0].Name {
		t.Fatalf("wrong pet name")
	}
}

func TestJoinArgsWithDB(t *testing.T) {

    }

    /**
     * JavaBeansの仕様にしたがってデキャピタライズを行ないます。大文字が2つ以上続く場合は、小文字にならないので注意してください。
     * <p>
     * 次のように使います．
     * </p>
     *
     * <pre>
     * StringUtil.capitalize("UserId")  = "userId"
     * StringUtil.capitalize("ABC")  = "ABC"
     * </pre>
     *
     * @param name
     *            名前
     * @return 結果の文字列
     */
    public static String decapitalize(final String name) {

// looking up users, fetching additional attributes etc.
type Provider interface {
	LoginWithUser(username, password string) error
	LoginWithClientID(clientID, clientSecret string) error
	LookupUser(userid string) (User, error)