/*
 *   Licensed to the Apache Software Foundation (ASF) under one
 *   or more contributor license agreements.  See the NOTICE file
 *   distributed with this work for additional information
 *   regarding copyright ownership.  The ASF licenses this file
 *   to you under the Apache License, Version 2.0 (the
 *   "License"); you may not use this file except in compliance
 *   with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing,
 *   software distributed under the License is distributed on an
 *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *   KIND, either express or implied.  See the License for the
 *   specific language governing permissions and limitations
 *   under the License.
 *
 */
package org.apache.james.user.ldap.retry.naming;

import static org.assertj.core.api.Assertions.assertThat;

import javax.naming.Context;
import javax.naming.NamingException;

import org.apache.james.user.ldap.retry.api.ExceptionRetryingProxy;
import org.apache.james.user.ldap.retry.api.RetryHandler;
import org.apache.james.user.ldap.retry.api.RetrySchedule;
import org.junit.jupiter.api.Test;

class NamingExceptionRetryHandlerTest {

    private static class TestRetryingProxy implements ExceptionRetryingProxy {
        @Override
        public Context getDelegate() {
            return null;
        }

        @Override
        public Context newDelegate() {
            return null;
        }

        @Override
        public void resetDelegate() {
        }
    }

    private static final Class<?>[] exceptionClasses = new Class<?>[]{NamingException.class};
    private static final ExceptionRetryingProxy proxy = new TestRetryingProxy();
    private static final RetrySchedule schedule = i -> i;

    @Test
    void testExceptionRetryHandler() {
        assertThat(RetryHandler.class.isAssignableFrom(new NamingExceptionRetryHandler(
            exceptionClasses, proxy, schedule, 0) {

            @Override
            public Object operation() {
                return null;
            }
        }.getClass())).isTrue();
    }

    @Test
    void testPerform() throws NamingException {
        Object result = new NamingExceptionRetryHandler(
            exceptionClasses, proxy, schedule, 0) {

            @Override
            public Object operation() {
                return "Hi!";
            }
        }.perform();
        assertThat(result).isEqualTo("Hi!");

        try {
            new NamingExceptionRetryHandler(
                exceptionClasses, proxy, schedule, 0) {

                @Override
                public Object operation() throws Exception {
                    throw new NamingException();
                }
            }.perform();
        } catch (NamingException ex) {
            // no-op
        }
        assertThat(result).isEqualTo("Hi!");
    }
}
