org.springframework.cloud.dataflow.rest.util.HttpClientConfigurerTests.java Source code

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Here is the source code for org.springframework.cloud.dataflow.rest.util.HttpClientConfigurerTests.java

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/*
 * Copyright 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
 *
 *      https://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.springframework.cloud.dataflow.rest.util;

import java.lang.reflect.Field;
import java.net.URI;

import org.apache.http.auth.AuthScope;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.HttpClient;
import org.junit.Assert;
import org.junit.Test;

import org.springframework.util.ReflectionUtils;

import static org.junit.Assert.fail;

/**
 * @author Gunnar Hillert
 * @since 1.4
 */
public class HttpClientConfigurerTests {

    /**
     * Basic test ensuring that the {@link HttpClient} is built successfully.
     */
    @Test
    public void testThatHttpClientWithProxyIsCreated() throws Exception {

        final URI targetHost = new URI("http://test.com");
        final HttpClientConfigurer builder = HttpClientConfigurer.create(targetHost);
        builder.withProxyCredentials(URI.create("https://spring.io"), "spring", "cloud");
        builder.buildHttpClient();
    }

    /**
     * Basic test ensuring that the {@link HttpClient} is built successfully with
     * null username and password.
     */
    @Test
    public void testThatHttpClientWithProxyIsCreatedWithNullUsernameAndPassword() throws Exception {
        final URI targetHost = new URI("http://test.com");
        final HttpClientConfigurer builder = HttpClientConfigurer.create(targetHost);
        builder.withProxyCredentials(URI.create("https://spring.io"), null, null);
        builder.buildHttpClient();
    }

    /**
     * Basic test ensuring that an exception is thrown if the scheme of the proxy
     * Uri is not set.
     */
    @Test
    public void testHttpClientWithProxyCreationWithMissingScheme() throws Exception {
        final URI targetHost = new URI("http://test.com");
        final HttpClientConfigurer builder = HttpClientConfigurer.create(targetHost);
        try {
            builder.withProxyCredentials(URI.create("spring"), "spring", "cloud");
        } catch (IllegalArgumentException e) {
            Assert.assertEquals("The scheme component of the proxyUri must not be empty.", e.getMessage());
            return;
        }
        fail("Expected an IllegalArgumentException to be thrown.");
    }

    /**
     * Basic test ensuring that an exception is thrown if the proxy
     * Uri is null.
     */
    @Test
    public void testHttpClientWithNullProxyUri() throws Exception {
        final URI targetHost = new URI("http://test.com");
        final HttpClientConfigurer builder = HttpClientConfigurer.create(targetHost);
        try {
            builder.withProxyCredentials(null, null, null);
        } catch (IllegalArgumentException e) {
            Assert.assertEquals("The proxyUri must not be null.", e.getMessage());
            return;
        }
        fail("Expected an IllegalArgumentException to be thrown.");
    }

    /**
     * Test ensuring that the {@link AuthScope} is set for the target host.
     */
    @Test
    public void testThatHttpClientWithProxyIsCreatedAndHasCorrectCredentialsProviders() throws Exception {
        final URI targetHost = new URI("http://test.com");
        final HttpClientConfigurer builder = HttpClientConfigurer.create(targetHost);
        builder.basicAuthCredentials("foo", "password");
        builder.withProxyCredentials(URI.create("https://spring.io"), null, null);

        final Field credentialsProviderField = ReflectionUtils.findField(HttpClientConfigurer.class,
                "credentialsProvider");
        ReflectionUtils.makeAccessible(credentialsProviderField);
        CredentialsProvider credentialsProvider = (CredentialsProvider) credentialsProviderField.get(builder);
        Assert.assertNotNull(credentialsProvider.getCredentials(new AuthScope("test.com", 80)));
        Assert.assertNull(credentialsProvider.getCredentials(new AuthScope("spring.io", 80)));
    }

    /**
     * Test ensuring that the {@link AuthScope} is set for the target host and the proxy server.
     */
    @Test
    public void testThatHttpClientWithProxyIsCreatedAndHasCorrectCredentialsProviders2() throws Exception {
        final URI targetHost = new URI("http://test.com");
        final HttpClientConfigurer builder = HttpClientConfigurer.create(targetHost);
        builder.basicAuthCredentials("foo", "password");
        builder.withProxyCredentials(URI.create("https://spring.io"), "proxyuser", "proxypassword");

        final Field credentialsProviderField = ReflectionUtils.findField(HttpClientConfigurer.class,
                "credentialsProvider");
        ReflectionUtils.makeAccessible(credentialsProviderField);
        CredentialsProvider credentialsProvider = (CredentialsProvider) credentialsProviderField.get(builder);
        Assert.assertNotNull(credentialsProvider.getCredentials(new AuthScope("test.com", 80)));
        Assert.assertNotNull(credentialsProvider.getCredentials(new AuthScope("spring.io", 80)));
    }
}