/*
 * 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.shenyu.web.handler;

import org.apache.shenyu.plugin.api.result.DefaultShenyuResult;
import org.apache.shenyu.plugin.api.result.ShenyuResult;
import org.apache.shenyu.plugin.api.utils.SpringBeanUtils;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.MockedStatic;
import org.mockito.junit.MockitoJUnitRunner;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.mock.http.server.reactive.MockServerHttpRequest;
import org.springframework.mock.web.server.MockServerWebExchange;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

import static org.junit.Assert.assertNotNull;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.mockStatic;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;

/**
 * test for GlobalErrorHandler.
 *
 */
@RunWith(MockitoJUnitRunner.class)
public final class GlobalErrorHandlerTest {

    private static Logger loggerSpy;

    private static MockedStatic<LoggerFactory> loggerFactoryMockedStatic;

    private GlobalErrorHandler globalErrorHandler;

    @BeforeClass
    public static void beforeClass() {
        loggerSpy = spy(LoggerFactory.getLogger(GlobalErrorHandler.class));
        loggerFactoryMockedStatic = mockStatic(LoggerFactory.class);
        loggerFactoryMockedStatic.when(() -> LoggerFactory.getLogger(GlobalErrorHandler.class)).thenReturn(loggerSpy);
        loggerFactoryMockedStatic.when(() -> LoggerFactory.getLogger(anyString())).thenReturn(loggerSpy);
    }

    @AfterClass
    public static void afterClass() {
        loggerFactoryMockedStatic.close();
    }

    @Before
    public void setUp() {
        ConfigurableApplicationContext context = mock(ConfigurableApplicationContext.class);
        SpringBeanUtils.getInstance().setApplicationContext(context);
        when(context.getBean(ShenyuResult.class)).thenReturn(new DefaultShenyuResult() { });

        globalErrorHandler = new GlobalErrorHandler();
    }

    @Test
    public void getErrorAttributes() {
        doNothing().when(loggerSpy).error(anyString());
        ServerWebExchange webExchange = MockServerWebExchange.from(MockServerHttpRequest.get("http://localhost:8080/favicon.ico"));
        NullPointerException nullPointerException = new NullPointerException("nullPointerException");
        Mono<Void> response = globalErrorHandler.handle(webExchange, nullPointerException);
        assertNotNull(response);
    }
}
