hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/api/EdgeApiTest.java

/*
 * 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.hugegraph.api;

import java.io.IOException;

import org.junit.Before;
import org.junit.Test;

import org.apache.hugegraph.testutil.Assert;
import com.google.common.collect.ImmutableMap;

import jakarta.ws.rs.core.Response;

public class EdgeApiTest extends BaseApiTest {

    private static String path = "/graphs/hugegraph/graph/edges/";

    @Before
    public void prepareSchema() {
        initPropertyKey();
        initVertexLabel();
        initEdgeLabel();
        initVertex();
    }

    @Test
    public void testCreate() throws IOException {
        String outVId = getVertexId("person", "name", "peter");
        String inVId = getVertexId("software", "name", "lop");

        String edge = String.format("{" +
                "\"label\": \"created\"," +
                "\"outVLabel\": \"person\"," +
                "\"inVLabel\": \"software\"," +
                "\"outV\": \"%s\"," +
                "\"inV\": \"%s\"," +
                "\"properties\":{" +
                "\"date\": \"20170324\"," +
                "\"weight\": 0.5}" +
                "}", outVId, inVId);
        Response r = client().post(path, edge);
        assertResponseStatus(201, r);
    }

    @Test
    public void testBatchUpdate() throws IOException {
        String outVId = getVertexId("person", "name", "marko");
        String inVId = getVertexId("person", "name", "josh");
        // Create
        String edge = String.format("{" +
                "\"label\": \"knows\"," +
                "\"outVLabel\": \"person\"," +
                "\"inVLabel\": \"person\"," +
                "\"outV\": \"%s\"," +
                "\"inV\": \"%s\"," +
                "\"properties\":{" +
                "\"date\": \"2013-02-20\"," +
                "\"weight\": 1.0}" +
                "}", outVId, inVId);
        Response r = client().post(path, edge);
        // The edge id is 'S1:marko>1>7JooBil0>S1:josh'
        String content = assertResponseStatus(201, r);
        String edgeId = parseId(content);

        // Update edge with edgeId
        edge = String.format("{" +
                "\"edges\":[" +
                "{" +
                "\"id\":\"%s\"," +
                "\"label\":\"knows\"," +
                "\"outV\":\"%s\"," +
                "\"outVLabel\":\"person\"," +
                "\"inV\":\"%s\"," +
                "\"inVLabel\":\"person\"," +
                "\"properties\":{" +
                "\"weight\":0.2," +
                "\"date\":\"2014-02-20\"" +
                "}" +
                "}" +
                "]," +
                "\"update_strategies\":{" +
                "\"weight\":\"SUM\"," +
                "\"date\":\"BIGGER\"" +
                "}," +
                "\"check_vertex\":false," +
                "\"create_if_not_exist\":true" +
                "}", edgeId, outVId, inVId);
        r = client().put(path, "batch", edge, ImmutableMap.of());
        // Now allowed to modify sortkey values, the property 'date' has changed
        content = assertResponseStatus(400, r);
        Assert.assertTrue(content.contains(
                          "either be null or equal to the origin value when " +
                          "specified edge id"));

        // Update edge without edgeId
        edge = String.format("{" +
                "\"edges\":[" +
                "{" +
                "\"label\":\"knows\"," +
                "\"outV\":\"%s\"," +
                "\"outVLabel\":\"person\"," +
                "\"inV\":\"%s\"," +
                "\"inVLabel\":\"person\"," +
                "\"properties\":{" +
                "\"weight\":0.2," +
                "\"date\":\"2014-02-20\"" +
                "}" +
                "}" +
                "]," +
                "\"update_strategies\":{" +
                "\"weight\":\"SUM\"," +
                "\"date\":\"BIGGER\"" +
                "}," +
                "\"check_vertex\":false," +
                "\"create_if_not_exist\":true" +
                "}", outVId, inVId);
        r = client().put(path, "batch", edge, ImmutableMap.of());
        // Add a new edge when sortkey value has changed
        content = assertResponseStatus(200, r);
        String newEdgeId = parseId(content);
        Assert.assertNotEquals(newEdgeId, edgeId);
    }

    @Test
    public void testGet() throws IOException {
        String outVId = getVertexId("person", "name", "peter");
        String inVId = getVertexId("software", "name", "lop");

        String edge = String.format("{" +
                "\"label\": \"created\"," +
                "\"outVLabel\": \"person\"," +
                "\"inVLabel\": \"software\"," +
                "\"outV\": \"%s\"," +
                "\"inV\": \"%s\"," +
                "\"properties\":{" +
                "\"date\": \"20170324\"," +
                "\"weight\": 0.5}" +
                "}", outVId, inVId);
        Response r = client().post(path, edge);
        String content = assertResponseStatus(201, r);

        String id = parseId(content);
        r = client().get(path, id);
        assertResponseStatus(200, r);
    }

    @Test
    public void testList() throws IOException {
        String outVId = getVertexId("person", "name", "peter");
        String inVId = getVertexId("software", "name", "lop");

        String edge = String.format("{" +
                "\"label\": \"created\"," +
                "\"outVLabel\": \"person\"," +
                "\"inVLabel\": \"software\"," +
                "\"outV\": \"%s\"," +
                "\"inV\": \"%s\"," +
                "\"properties\":{" +
                "\"date\": \"20170324\"," +
                "\"weight\": 0.5}" +
                "}", outVId, inVId);
        Response r = client().post(path, edge);
        assertResponseStatus(201, r);

        r = client().get(path);
        assertResponseStatus(200, r);
    }

    @Test
    public void testDelete() throws IOException {
        String outVId = getVertexId("person", "name", "peter");
        String inVId = getVertexId("software", "name", "lop");

        String edge = String.format("{" +
                "\"label\": \"created\"," +
                "\"outVLabel\": \"person\"," +
                "\"inVLabel\": \"software\"," +
                "\"outV\": \"%s\"," +
                "\"inV\": \"%s\"," +
                "\"properties\":{" +
                "\"date\": \"20170324\"," +
                "\"weight\": 0.5}" +
                "}", outVId, inVId);
        Response r = client().post(path, edge);
        String content = assertResponseStatus(201, r);

        String id = parseId(content);
        r = client().delete(path, id);
        assertResponseStatus(204, r);
    }
}