Java tutorial
/* * Copyright (c) 2015 GraphAware * * This file is part of GraphAware. * * GraphAware 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 com.graphaware.server; import com.fasterxml.jackson.databind.ObjectMapper; import com.graphaware.test.integration.NeoServerIntegrationTest; import org.apache.http.HttpStatus; import org.junit.Test; import java.io.IOException; import java.util.Collections; import static com.graphaware.test.util.TestUtils.get; import static com.graphaware.test.util.TestUtils.post; /** * Integration test for custom server that wires Spring components. */ public class TxParticipationIntegrationTest extends NeoServerIntegrationTest { @Test public void invalidTransactionShouldResultInException() { System.out.println(get(baseUrl() + "/graphaware/greeting", Collections.singletonMap("_GA_TX_ID", "invalid"), HttpStatus.SC_BAD_REQUEST)); } @Test public void nonExistingTransactionShouldResultInException() { System.out.println(get(baseUrl() + "/graphaware/greeting", Collections.singletonMap("_GA_TX_ID", "1"), HttpStatus.SC_BAD_REQUEST)); } @Test public void moduleApiShouldParticipateInOpenTransaction() throws IOException { //First transaction over Cypher transactional rest endpoint, keep open: String response = post(baseUrl() + "/db/data/transaction", "{\n" + " \"statements\" : [ {\n" + " \"statement\" : \"CREATE (p:Person {props}) RETURN id(p)\",\n" + " \"parameters\" : {\n" + " \"props\" : {\n" + " \"name\" : \"Michal\"\n" + " }\n" + " }\n" + " } ]\n" + "}", HttpStatus.SC_CREATED); String commitUrl = new ObjectMapper().readTree(response).get("commit").asText(); String txUrl = commitUrl.substring(0, commitUrl.length() - "commit".length()); //Second transaction over Cypher transactional rest endpoint, keep open: post(txUrl, "{\n" + " \"statements\" : [ {\n" + " \"statement\" : \"CREATE (p:Person {props}) RETURN id(p)\",\n" + " \"parameters\" : {\n" + " \"props\" : {\n" + " \"name\" : \"Daniela\"\n" + " }\n" + " }\n" + " } ]\n" + "}", HttpStatus.SC_OK); //Third transaction over REST to an extension post(baseUrl() + "/graphaware/link/0/1", null, Collections.singletonMap("_GA_TX_ID", "1"), HttpStatus.SC_CREATED); //Commit transaction over transactional endpoint post(commitUrl, HttpStatus.SC_OK); post(baseUrl() + "/graphaware/resttest/assertSameGraph", "{\"cypher\": \"CREATE (m:Person {name:'Michal'})-[:TEST]->(d:Person {name:'Daniela'})\"}", HttpStatus.SC_OK); } }