type User struct {
		ID        int32 `gorm:"primaryKey"`
		Name      string
		CreatedBy *int32
		Creator   *User `gorm:"foreignKey:CreatedBy;references:ID"`
	}

	checkStructRelation(t, &User{}, Relation{
		Name: "Creator", Type: schema.BelongsTo, Schema: "User", FieldSchema: "User",
		References: []Reference{{"ID", "User", "CreatedBy", "User", "", false}},
	})
}

func TestBelongsToWithMixin(t *testing.T) {

		{Name: "ID", DBName: "id", BindNames: []string{"VersionModel", "BaseModel", "ID"}, DataType: schema.Uint, PrimaryKey: true, Size: 64, HasDefaultValue: true, AutoIncrement: true},
		{Name: "CreatedBy", DBName: "created_by", BindNames: []string{"VersionModel", "BaseModel", "CreatedBy"}, DataType: schema.Uint, Size: 64},
		{Name: "Version", DBName: "version", BindNames: []string{"VersionModel", "Version"}, DataType: schema.Int, Size: 64},
	}

        // Test common labels
        assertEquals("{labels.authRealm}", FessLabels.LABELS_AUTH_REALM);
        assertEquals("{labels.available}", FessLabels.LABELS_AVAILABLE);
        assertEquals("{labels.createdBy}", FessLabels.LABELS_CREATED_BY);
        assertEquals("{labels.createdTime}", FessLabels.LABELS_CREATED_TIME);
        assertEquals("{labels.depth}", FessLabels.LABELS_DEPTH);