blob: d51e1b5951460dec2acd8873a2631345df571aeb [file] [log] [blame]
/*
* 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.core;
import java.util.Random;
import org.apache.hugegraph.HugeGraph;
import org.apache.hugegraph.HugeGraphParams;
import org.apache.hugegraph.backend.id.IdGenerator;
import org.apache.hugegraph.backend.store.BackendFeatures;
import org.apache.hugegraph.dist.RegisterUtil;
import org.apache.hugegraph.schema.SchemaManager;
import org.apache.hugegraph.testutil.Utils;
import org.apache.hugegraph.testutil.Whitebox;
import org.apache.hugegraph.type.define.NodeRole;
import org.apache.hugegraph.util.Log;
import org.apache.tinkerpop.gremlin.structure.Edge;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.slf4j.Logger;
public class BaseCoreTest {
protected static final Logger LOG = Log.logger(BaseCoreTest.class);
protected static final int TX_BATCH = 100;
private static boolean registered = false;
private static HugeGraph graph = null;
public static HugeGraph graph() {
Assert.assertNotNull(graph);
//Assert.assertFalse(graph.closed());
return graph;
}
@BeforeClass
public static void initEnv() {
if (registered) {
return;
}
RegisterUtil.registerBackends();
registered = true;
}
@BeforeClass
public static void init() {
graph = Utils.open();
graph.clearBackend();
graph.initBackend();
graph.serverStarted(IdGenerator.of("server1"), NodeRole.MASTER);
}
@AfterClass
public static void clear() {
if (graph == null) {
return;
}
try {
graph.clearBackend();
} finally {
try {
graph.close();
} catch (Throwable e) {
LOG.error("Error when close()", e);
}
graph = null;
}
}
@Before
public void setup() {
this.clearData();
this.clearSchema();
}
@After
public void teardown() throws Exception {
// pass
}
protected void clearData() {
HugeGraph graph = graph();
// Clear uncommitted data(maybe none)
graph.tx().rollback();
int count = 0;
// Clear edge
do {
count = 0;
for (Edge e : graph().traversal().E().limit(TX_BATCH).toList()) {
count++;
e.remove();
}
graph.tx().commit();
} while (count == TX_BATCH);
// Clear vertex
do {
count = 0;
for (Vertex v : graph().traversal().V().limit(TX_BATCH).toList()) {
count++;
v.remove();
}
graph.tx().commit();
} while (count == TX_BATCH);
}
private void clearSchema() {
SchemaManager schema = graph().schema();
schema.getIndexLabels().forEach(elem -> {
schema.indexLabel(elem.name()).remove();
});
schema.getEdgeLabels().forEach(elem -> {
schema.edgeLabel(elem.name()).remove();
});
schema.getVertexLabels().forEach(elem -> {
schema.vertexLabel(elem.name()).remove();
});
schema.getPropertyKeys().forEach(elem -> {
schema.propertyKey(elem.name()).remove();
});
}
protected void mayCommitTx() {
// Commit tx probabilistically for test
if (new Random().nextBoolean()) {
graph().tx().commit();
}
}
protected void commitTx() {
graph().tx().commit();
}
protected BackendFeatures storeFeatures() {
return graph().backendStoreFeatures();
}
protected HugeGraphParams params() {
return Whitebox.getInternalState(graph(), "params");
}
}