/*
 * Copyright 1999-2021 Alibaba Group Holding Ltd.
 *
 * Licensed 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 com.alibaba.nacos.core.code;

import com.alibaba.nacos.core.listener.NacosApplicationListener;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import org.springframework.boot.SpringApplication;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.test.util.ReflectionTestUtils;

import java.util.Collections;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.mockito.Mockito.verify;
import static org.springframework.core.Ordered.HIGHEST_PRECEDENCE;

/**
 * Unit test for {@link SpringApplicationRunListener}.
 */
@ExtendWith(MockitoExtension.class)
class SpringApplicationRunListenerTest {
    
    @Mock
    private NacosApplicationListener mockNacosListener;
    
    @Mock
    private ConfigurableApplicationContext mockContext;
    
    @Test
    void getOrderReturnsHighestPrecedence() {
        SpringApplication application = new SpringApplication(Object.class);
        SpringApplicationRunListener listener = new SpringApplicationRunListener(application, new String[0]);
        assertEquals(HIGHEST_PRECEDENCE, listener.getOrder());
    }
    
    @Test
    void failedInvokesListeners() {
        SpringApplication application = new SpringApplication(Object.class);
        SpringApplicationRunListener listener = new SpringApplicationRunListener(application, new String[0]);
        ReflectionTestUtils.setField(listener, "nacosApplicationListeners",
                Collections.singletonList(mockNacosListener));
        Throwable exception = new RuntimeException("test");
        listener.failed(mockContext, exception);
        verify(mockNacosListener).failed(mockContext, exception);
    }
}
