org.apache.sqoop.integration.server.InvalidRESTCallsTest.java Source code

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Here is the source code for org.apache.sqoop.integration.server.InvalidRESTCallsTest.java

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/**
 * 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.sqoop.integration.server;

import org.apache.log4j.Logger;
import com.google.common.collect.Iterables;
import org.apache.commons.io.IOUtils;
import org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL;
import org.apache.sqoop.test.testcases.ConnectorTestCase;
import org.apache.sqoop.test.utils.ParametrizedUtils;
import org.testng.ITest;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Factory;
import org.testng.annotations.Test;

import java.io.DataOutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.Charset;

import static org.testng.Assert.assertEquals;

public class InvalidRESTCallsTest extends ConnectorTestCase implements ITest {

    private static final Logger LOG = Logger.getLogger(InvalidRESTCallsTest.class);

    // Validate returned response from server
    public static abstract class Validator {

        // Persisted connection object that we're testing against
        HttpURLConnection connection;

        // Persisted data from connection
        String error;
        String input;

        public void setConnection(HttpURLConnection connection) throws Exception {
            this.connection = connection;

            try {
                this.input = (connection.getInputStream() != null) ? IOUtils.toString(connection.getInputStream())
                        : "NOT PRESENT";
            } catch (Exception e) {
                this.input = "NOT PRESENT";
            }
            this.error = connection.getErrorStream() != null ? IOUtils.toString(connection.getErrorStream())
                    : "NOT PRESENT";
        }

        // Each test should implement whatever is needed here
        abstract void validate() throws Exception;

        // Verify HTTP response code
        public void assertResponseCode(int expected) throws Exception {
            assertEquals(connection.getResponseCode(), expected);
        }
    }

    // Small internal class describing our test case
    public static class TestDescription {
        public String name; // Name of the test
        public String rest; // Rest endpoint where we'll send request
        public String method; // Method that we should use
        public String data; // Data that we'll be sending as part of POST (NULL for nothing)
        public Validator validator; // Routine to validate the response from the server

        public TestDescription(String name, String rest, String method, String data, Validator validator) {
            this.name = name;
            this.rest = rest;
            this.method = method;
            this.data = data;
            this.validator = validator;
        }
    }

    /**
     * Poisoned requests that we'll be running with expected responses from the server
     */
    public static TestDescription[] PROVDER_DATA = new TestDescription[] {
            // End point /version/
            new TestDescription("Valid", "version", "GET", null, new Validator() {
                @Override
                void validate() throws Exception {
                    assertResponseCode(200);
                }
            }), new TestDescription("Invalid post request", "version", "POST", "Random text", new Validator() {
                @Override
                void validate() throws Exception {
                    assertResponseCode(405);
                }
            }), };

    @DataProvider(name = "invalid-rest-calls-test", parallel = false)
    public static Object[][] data() {
        return Iterables.toArray(ParametrizedUtils.toArrayOfArrays(PROVDER_DATA), Object[].class);
    }

    private TestDescription desc;

    @Factory(dataProvider = "invalid-rest-calls-test")
    public InvalidRESTCallsTest(TestDescription desc) {
        this.desc = desc;
    }

    @Override
    public String getTestName() {
        return InvalidRESTCallsTest.class.getName() + " " + desc.rest + "[" + desc.method + "]: " + desc.name;
    }

    @Test
    public void test() throws Exception {
        LOG.info("Start: " + getTestName());

        URL url = new URL(getServerUrl() + desc.rest);
        HttpURLConnection connection = new DelegationTokenAuthenticatedURL().openConnection(url,
                new DelegationTokenAuthenticatedURL.Token());
        connection.setRequestMethod(desc.method);

        if (desc.data != null) {
            connection.setDoOutput(true);

            byte[] byteData = desc.data.getBytes(Charset.forName("UTF-8"));
            connection.setRequestProperty("Content-Length", Integer.toString(byteData.length));
            DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
            wr.write(byteData, byteData.length, 0);
            wr.flush();
            wr.close();
        }

        desc.validator.setConnection(connection);
        LOG.info("error = " + desc.validator.error);
        LOG.info("input = " + desc.validator.input);
        desc.validator.validate();
    }

}