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MetricsApiTest.java
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MetricsApiTest.java
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/*
* Copyright 2017 HugeGraph Authors
*
* 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 com.baidu.hugegraph.api;
import java.util.Map;
import javax.ws.rs.core.Response;
import org.junit.Test;
import com.baidu.hugegraph.testutil.Assert;
public class MetricsApiTest extends BaseApiTest {
private static String path = "/metrics";
@Test
public void testMetricsAll() {
Response r = client().get(path);
String result = assertResponseStatus(200, r);
assertJsonContains(result, "gauges");
assertJsonContains(result, "counters");
assertJsonContains(result, "histograms");
assertJsonContains(result, "meters");
assertJsonContains(result, "timers");
}
@Test
public void testMetricsSystem() {
Response r = client().get(path, "system");
String result = assertResponseStatus(200, r);
assertJsonContains(result, "basic");
assertJsonContains(result, "heap");
assertJsonContains(result, "nonheap");
assertJsonContains(result, "thread");
assertJsonContains(result, "class_loading");
assertJsonContains(result, "garbage_collector");
}
@Test
public void testMetricsBackend() {
Response r = client().get(path, "backend");
String result = assertResponseStatus(200, r);
Object value = assertJsonContains(result, "hugegraph");
Assert.assertTrue(value instanceof Map);
Map<?, ?> graph = (Map<?, ?>) value;
assertMapContains(graph, "backend");
assertMapContains(graph, "nodes");
String backend = (String) graph.get("backend");
int nodes = (Integer) graph.get("nodes");
switch (backend) {
case "memory":
case "mysql":
case "postgresql":
Assert.assertEquals(1, nodes);
break;
case "rocksdb":
Assert.assertEquals(1, nodes);
assertMapContains(graph, "mem_used");
assertMapContains(graph, "mem_unit");
assertMapContains(graph, "data_size");
break;
case "cassandra":
case "scylladb":
for (Map.Entry<?, ?> e : graph.entrySet()) {
String key = (String) e.getKey();
value = e.getValue();
if ("backend".equals(key) || "nodes".equals(key)) {
continue;
}
Assert.assertTrue(String.format(
"Expect map value for key %s but got %s",
key, value),
value instanceof Map);
Map<?, ?> host = (Map<?, ?>) value;
assertMapContains(host, "mem_used");
assertMapContains(host, "mem_commited");
assertMapContains(host, "mem_max");
assertMapContains(host, "mem_unit");
assertMapContains(host, "data_size");
}
break;
case "hbase":
assertMapContains(graph, "cluster_id");
assertMapContains(graph, "average_load");
assertMapContains(graph, "hbase_version");
assertMapContains(graph, "region_count");
assertMapContains(graph, "region_servers");
Map<?, ?> servers = (Map<?, ?>) graph.get("region_servers");
for (Map.Entry<?, ?> e : servers.entrySet()) {
String key = (String) e.getKey();
value = e.getValue();
Assert.assertTrue(String.format(
"Expect map value for key %s but got %s",
key, value),
value instanceof Map);
Map<?, ?> regionServer = (Map<?, ?>) value;
assertMapContains(regionServer, "max_heap_size");
assertMapContains(regionServer, "used_heap_size");
assertMapContains(regionServer, "heap_size_unit");
assertMapContains(regionServer, "request_count");
assertMapContains(regionServer,
"request_count_per_second");
assertMapContains(regionServer, "regions");
}
break;
default:
Assert.assertTrue("Unexpected backend " + backend, false);
break;
}
}
}