de.codecentric.boot.admin.zuul.filters.route.SimpleHostRoutingFilterTests.java Source code

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Here is the source code for de.codecentric.boot.admin.zuul.filters.route.SimpleHostRoutingFilterTests.java

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/*
 * Copyright 2013-2016 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 de.codecentric.boot.admin.zuul.filters.route;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.springframework.boot.test.util.EnvironmentTestUtils.addEnvironment;

import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.junit.After;
import org.junit.Test;
import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cloud.netflix.zuul.filters.ProxyRequestHelper;
import org.springframework.cloud.netflix.zuul.filters.ZuulProperties;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * Copy from sprig cloud netflix which is part of a fix for
 * https://github.com/spring-cloud/spring-cloud-netflix/pull/1372
 *
 * @author Andreas Kluth
 * @author Spencer Gibb
 */
public class SimpleHostRoutingFilterTests {

    private AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();

    @After
    public void clear() {
        if (this.context != null) {
            this.context.close();
        }
    }

    @Test
    public void connectionPropertiesAreApplied() {
        addEnvironment(this.context, "zuul.host.maxTotalConnections=100", "zuul.host.maxPerRouteConnections=10");
        setupContext();
        PoolingHttpClientConnectionManager connMgr = getFilter().newConnectionManager();
        assertEquals(100, connMgr.getMaxTotal());
        assertEquals(10, connMgr.getDefaultMaxPerRoute());
    }

    @Test
    public void validateSslHostnamesByDefault() {
        setupContext();
        assertTrue("Hostname verification should be enabled by default",
                getFilter().isSslHostnameValidationEnabled());
    }

    @Test
    public void validationOfSslHostnamesCanBeDisabledViaProperty() {
        addEnvironment(this.context, "zuul.sslHostnameValidationEnabled=false");
        setupContext();
        assertFalse("Hostname verification should be disabled via property",
                getFilter().isSslHostnameValidationEnabled());
    }

    @Test
    public void defaultPropertiesAreApplied() {
        setupContext();
        PoolingHttpClientConnectionManager connMgr = getFilter().newConnectionManager();

        assertEquals(200, connMgr.getMaxTotal());
        assertEquals(20, connMgr.getDefaultMaxPerRoute());
    }

    private void setupContext() {
        this.context.register(PropertyPlaceholderAutoConfiguration.class, TestConfiguration.class);
        this.context.refresh();
    }

    private SimpleHostRoutingFilter getFilter() {
        return this.context.getBean(SimpleHostRoutingFilter.class);
    }

    @Configuration
    @EnableConfigurationProperties(ZuulProperties.class)
    protected static class TestConfiguration {
        @Bean
        SimpleHostRoutingFilter simpleHostRoutingFilter(ZuulProperties zuulProperties) {
            return new SimpleHostRoutingFilter(new ProxyRequestHelper(), zuulProperties);
        }
    }
}