io.spring.initializr.web.autoconfigure.InitializrAutoConfigurationTests.java Source code

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Here is the source code for io.spring.initializr.web.autoconfigure.InitializrAutoConfigurationTests.java

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/*
 * Copyright 2012-2018 the original author or authors.
 *
 * 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 io.spring.initializr.web.autoconfigure;

import io.spring.initializr.metadata.InitializrMetadataProvider;
import org.junit.Test;

import org.springframework.beans.DirectFieldAccessor;
import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
import org.springframework.boot.autoconfigure.web.client.RestTemplateAutoConfiguration;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.boot.web.client.RestTemplateCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.client.ResponseErrorHandler;
import org.springframework.web.client.RestTemplate;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;

/**
 * Tests for {@link InitializrAutoConfiguration}.
 *
 * @author Stephane Nicoll
 */
public class InitializrAutoConfigurationTests {

    private ApplicationContextRunner contextRunner = new ApplicationContextRunner()
            .withConfiguration(AutoConfigurations.of(RestTemplateAutoConfiguration.class,
                    JacksonAutoConfiguration.class, InitializrAutoConfiguration.class));

    @Test
    public void customRestTemplateBuilderIsUsed() {
        this.contextRunner.withUserConfiguration(CustomRestTemplateConfiguration.class).run((context) -> {
            assertThat(context).hasSingleBean(InitializrMetadataProvider.class);
            RestTemplate restTemplate = (RestTemplate) new DirectFieldAccessor(
                    context.getBean(InitializrMetadataProvider.class)).getPropertyValue("restTemplate");
            assertThat(restTemplate.getErrorHandler()).isSameAs(CustomRestTemplateConfiguration.errorHandler);
        });
    }

    @Configuration
    static class CustomRestTemplateConfiguration {

        private static final ResponseErrorHandler errorHandler = mock(ResponseErrorHandler.class);

        @Bean
        public RestTemplateCustomizer testRestTemplateCustomizer() {
            return (b) -> b.setErrorHandler(errorHandler);
        }

    }

}