org.neo4j.server.rest.RetrieveNodeDocIT.java Source code

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Here is the source code for org.neo4j.server.rest.RetrieveNodeDocIT.java

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/*
 * Copyright (c) 2002-2015 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.server.rest;

import java.io.IOException;
import java.net.URI;
import java.util.Map;
import javax.ws.rs.core.MediaType;

import org.apache.commons.io.IOUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

import org.neo4j.kernel.impl.annotations.Documented;
import org.neo4j.server.helpers.FunctionalTestHelper;
import org.neo4j.server.rest.RESTDocsGenerator.ResponseEntity;
import org.neo4j.server.rest.domain.GraphDbHelper;
import org.neo4j.server.rest.domain.JsonHelper;
import org.neo4j.server.rest.repr.formats.CompactJsonFormat;

import static org.hamcrest.Matchers.containsString;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;

public class RetrieveNodeDocIT extends AbstractRestFunctionalTestBase {
    private URI nodeUri;
    private static FunctionalTestHelper functionalTestHelper;

    @BeforeClass
    public static void setupServer() throws IOException {
        functionalTestHelper = new FunctionalTestHelper(server());
    }

    @Before
    public void cleanTheDatabaseAndInitialiseTheNodeUri() throws Exception {
        cleanDatabase();
        nodeUri = new URI(
                functionalTestHelper.nodeUri() + "/" + new GraphDbHelper(server().getDatabase()).createNode());
    }

    @Test
    public void shouldParameteriseUrisInNodeRepresentationWithHostHeaderValue() throws Exception {
        HttpClient httpclient = new DefaultHttpClient();
        try {
            HttpGet httpget = new HttpGet(nodeUri);

            httpget.setHeader("Accept", "application/json");
            httpget.setHeader("Host", "dummy.neo4j.org");
            HttpResponse response = httpclient.execute(httpget);
            HttpEntity entity = response.getEntity();

            String entityBody = IOUtils.toString(entity.getContent(), "UTF-8");

            assertThat(entityBody, containsString("http://dummy.neo4j.org/db/data/node/"));

        } finally {
            httpclient.getConnectionManager().shutdown();
        }
    }

    @Test
    public void shouldParameteriseUrisInNodeRepresentationWithoutHostHeaderUsingRequestUri() throws Exception {
        HttpClient httpclient = new DefaultHttpClient();
        try {
            HttpGet httpget = new HttpGet(nodeUri);

            httpget.setHeader("Accept", "application/json");
            HttpResponse response = httpclient.execute(httpget);
            HttpEntity entity = response.getEntity();

            String entityBody = IOUtils.toString(entity.getContent(), "UTF-8");

            assertThat(entityBody, containsString(nodeUri.toString()));
        } finally {
            httpclient.getConnectionManager().shutdown();
        }
    }

    /**
     * Get node.
     * 
     * Note that the response contains URI/templates for the available
     * operations for getting properties and relationships.
     */
    @Documented
    @Test
    public void shouldGet200WhenRetrievingNode() throws Exception {
        String uri = nodeUri.toString();
        gen.get().expectedStatus(200).get(uri);
    }

    /**
     * Get node -- compact.
     * 
     * Specifying the subformat in the requests media type yields a more compact
     * JSON response without metadata and templates.
     */
    @Documented
    @Test
    public void shouldGet200WhenRetrievingNodeCompact() {
        String uri = nodeUri.toString();
        ResponseEntity entity = gen.get().expectedType(CompactJsonFormat.MEDIA_TYPE).expectedStatus(200).get(uri);
        assertTrue(entity.entity().contains("self"));
    }

    @Test
    public void shouldGetContentLengthHeaderWhenRetrievingNode() throws Exception {
        JaxRsResponse response = retrieveNodeFromService(nodeUri.toString());
        assertNotNull(response.getHeaders().get("Content-Length"));
        response.close();
    }

    @Test
    public void shouldHaveJsonMediaTypeOnResponse() {
        JaxRsResponse response = retrieveNodeFromService(nodeUri.toString());
        assertThat(response.getType().toString(), containsString(MediaType.APPLICATION_JSON));
        response.close();
    }

    @Test
    public void shouldHaveJsonDataInResponse() throws Exception {
        JaxRsResponse response = retrieveNodeFromService(nodeUri.toString());

        Map<String, Object> map = JsonHelper.jsonToMap(response.getEntity());
        assertTrue(map.containsKey("self"));
        response.close();
    }

    /**
     * Get non-existent node.
     */
    @Documented
    @Test
    public void shouldGet404WhenRetrievingNonExistentNode() throws Exception {
        gen.get().expectedStatus(404).get(nodeUri + "00000");
    }

    private JaxRsResponse retrieveNodeFromService(final String uri) {
        return RestRequest.req().get(uri);
    }

}