/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.client;
import org.apache.http.Header;
import org.apache.http.HttpHost;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.impl.nio.client.HttpAsyncClientBuilder;
import org.apache.http.message.BasicHeader;
import java.io.IOException;
import static org.hamcrest.Matchers.containsString;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.fail;
public class RestClientBuilderTests extends RestClientTestCase {
public void testBuild() throws IOException {
try {
RestClient.builder((HttpHost[])null);
fail("should have failed");
} catch(NullPointerException e) {
assertEquals("hosts must not be null", e.getMessage());
}
try {
RestClient.builder();
fail("should have failed");
} catch(IllegalArgumentException e) {
assertEquals("no hosts provided", e.getMessage());
}
try {
RestClient.builder(new HttpHost("localhost", 9200), null);
fail("should have failed");
} catch(NullPointerException e) {
assertEquals("host cannot be null", e.getMessage());
}
try (RestClient restClient = RestClient.builder(new HttpHost("localhost", 9200)).build()) {
assertNotNull(restClient);
}
try {
RestClient.builder(new HttpHost("localhost", 9200))
.setMaxRetryTimeoutMillis(randomIntBetween(Integer.MIN_VALUE, 0));
fail("should have failed");
} catch(IllegalArgumentException e) {
assertEquals("maxRetryTimeoutMillis must be greater than 0", e.getMessage());
}
try {
RestClient.builder(new HttpHost("localhost", 9200)).setDefaultHeaders(null);
fail("should have failed");
} catch(NullPointerException e) {
assertEquals("defaultHeaders must not be null", e.getMessage());
}
try {
RestClient.builder(new HttpHost("localhost", 9200)).setDefaultHeaders(new Header[]{null});
fail("should have failed");
} catch(NullPointerException e) {
assertEquals("default header must not be null", e.getMessage());
}
try {
RestClient.builder(new HttpHost("localhost", 9200)).setFailureListener(null);
fail("should have failed");
} catch(NullPointerException e) {
assertEquals("failureListener must not be null", e.getMessage());
}
try {
RestClient.builder(new HttpHost("localhost", 9200)).setHttpClientConfigCallback(null);
fail("should have failed");
} catch(NullPointerException e) {
assertEquals("httpClientConfigCallback must not be null", e.getMessage());
}
try {
RestClient.builder(new HttpHost("localhost", 9200)).setRequestConfigCallback(null);
fail("should have failed");
} catch(NullPointerException e) {
assertEquals("requestConfigCallback must not be null", e.getMessage());
}
int numNodes = randomIntBetween(1, 5);
HttpHost[] hosts = new HttpHost[numNodes];
for (int i = 0; i < numNodes; i++) {
hosts[i] = new HttpHost("localhost", 9200 + i);
}
RestClientBuilder builder = RestClient.builder(hosts);
if (randomBoolean()) {
builder.setHttpClientConfigCallback(new RestClientBuilder.HttpClientConfigCallback() {
@Override
public HttpAsyncClientBuilder customizeHttpClient(HttpAsyncClientBuilder httpClientBuilder) {
return httpClientBuilder;
}
});
}
if (randomBoolean()) {
builder.setRequestConfigCallback(new RestClientBuilder.RequestConfigCallback() {
@Override
public RequestConfig.Builder customizeRequestConfig(RequestConfig.Builder requestConfigBuilder) {
return requestConfigBuilder;
}
});
}
if (randomBoolean()) {
int numHeaders = randomIntBetween(1, 5);
Header[] headers = new Header[numHeaders];
for (int i = 0; i < numHeaders; i++) {
headers[i] = new BasicHeader("header" + i, "value");
}
builder.setDefaultHeaders(headers);
}
if (randomBoolean()) {
builder.setMaxRetryTimeoutMillis(randomIntBetween(1, Integer.MAX_VALUE));
}
if (randomBoolean()) {
String pathPrefix = (randomBoolean() ? "/" : "") + randomAsciiOfLengthBetween(2, 5);
while (pathPrefix.length() < 20 && randomBoolean()) {
pathPrefix += "/" + randomAsciiOfLengthBetween(3, 6);
}
builder.setPathPrefix(pathPrefix + (randomBoolean() ? "/" : ""));
}
try (RestClient restClient = builder.build()) {
assertNotNull(restClient);
}
}
public void testSetPathPrefixNull() {
try {
RestClient.builder(new HttpHost("localhost", 9200)).setPathPrefix(null);
fail("pathPrefix set to null should fail!");
} catch (final NullPointerException e) {
assertEquals("pathPrefix must not be null", e.getMessage());
}
}
public void testSetPathPrefixEmpty() {
assertSetPathPrefixThrows("/");
assertSetPathPrefixThrows("");
}
public void testSetPathPrefixMalformed() {
assertSetPathPrefixThrows("//");
assertSetPathPrefixThrows("base/path//");
}
private static void assertSetPathPrefixThrows(final String pathPrefix) {
try {
RestClient.builder(new HttpHost("localhost", 9200)).setPathPrefix(pathPrefix);
fail("path prefix [" + pathPrefix + "] should have failed");
} catch (final IllegalArgumentException e) {
assertThat(e.getMessage(), containsString(pathPrefix));
}
}
}