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* ownership. Elasticsearch 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
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* specific language governing permissions and limitations
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package org.elasticsearch.rest.action.admin.cluster;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.test.rest.FakeRestRequest;
import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.object.HasToString.hasToString;
import static org.mockito.Mockito.mock;
public class RestNodesStatsActionTests extends ESTestCase {
private RestNodesStatsAction action;
@Override
public void setUp() throws Exception {
super.setUp();
action = new RestNodesStatsAction(Settings.EMPTY, new RestController(Settings.EMPTY, Collections.emptySet(), null, null, null));
}
public void testUnrecognizedMetric() throws IOException {
final HashMap<String, String> params = new HashMap<>();
final String metric = randomAlphaOfLength(64);
params.put("metric", metric);
final RestRequest request = new FakeRestRequest.Builder(xContentRegistry()).withPath("/_nodes/stats").withParams(params).build();
final IllegalArgumentException e = expectThrows(
IllegalArgumentException.class,
() -> action.prepareRequest(request, mock(NodeClient.class)));
assertThat(e, hasToString(containsString("request [/_nodes/stats] contains unrecognized metric: [" + metric + "]")));
}
public void testUnrecognizedMetricDidYouMean() throws IOException {
final HashMap<String, String> params = new HashMap<>();
params.put("metric", "os,transprot,unrecognized");
final RestRequest request = new FakeRestRequest.Builder(xContentRegistry()).withPath("/_nodes/stats").withParams(params).build();
final IllegalArgumentException e = expectThrows(
IllegalArgumentException.class,
() -> action.prepareRequest(request, mock(NodeClient.class)));
assertThat(
e,
hasToString(
containsString(
"request [/_nodes/stats] contains unrecognized metrics: [transprot] -> did you mean [transport]?, [unrecognized]")));
}
public void testAllRequestWithOtherMetrics() throws IOException {
final HashMap<String, String> params = new HashMap<>();
final String metric = randomSubsetOf(1, RestNodesStatsAction.METRICS.keySet()).get(0);
params.put("metric", "_all," + metric);
final RestRequest request = new FakeRestRequest.Builder(xContentRegistry()).withPath("/_nodes/stats").withParams(params).build();
final IllegalArgumentException e = expectThrows(
IllegalArgumentException.class,
() -> action.prepareRequest(request, mock(NodeClient.class)));
assertThat(e, hasToString(containsString("request [/_nodes/stats] contains _all and individual metrics [_all," + metric + "]")));
}
public void testUnrecognizedIndexMetric() {
final HashMap<String, String> params = new HashMap<>();
params.put("metric", "indices");
final String indexMetric = randomAlphaOfLength(64);
params.put("index_metric", indexMetric);
final RestRequest request = new FakeRestRequest.Builder(xContentRegistry()).withPath("/_nodes/stats").withParams(params).build();
final IllegalArgumentException e = expectThrows(
IllegalArgumentException.class,
() -> action.prepareRequest(request, mock(NodeClient.class)));
assertThat(e, hasToString(containsString("request [/_nodes/stats] contains unrecognized index metric: [" + indexMetric + "]")));
}
public void testUnrecognizedIndexMetricDidYouMean() {
final HashMap<String, String> params = new HashMap<>();
params.put("metric", "indices");
params.put("index_metric", "indexing,stroe,unrecognized");
final RestRequest request = new FakeRestRequest.Builder(xContentRegistry()).withPath("/_nodes/stats").withParams(params).build();
final IllegalArgumentException e = expectThrows(
IllegalArgumentException.class,
() -> action.prepareRequest(request, mock(NodeClient.class)));
assertThat(
e,
hasToString(
containsString(
"request [/_nodes/stats] contains unrecognized index metrics: [stroe] -> did you mean [store]?, [unrecognized]")));
}
public void testIndexMetricsRequestWithoutIndicesMetric() throws IOException {
final HashMap<String, String> params = new HashMap<>();
final Set<String> metrics = new HashSet<>(RestNodesStatsAction.METRICS.keySet());
metrics.remove("indices");
params.put("metric", randomSubsetOf(1, metrics).get(0));
final String indexMetric = randomSubsetOf(1, RestNodesStatsAction.FLAGS.keySet()).get(0);
params.put("index_metric", indexMetric);
final RestRequest request = new FakeRestRequest.Builder(xContentRegistry()).withPath("/_nodes/stats").withParams(params).build();
final IllegalArgumentException e = expectThrows(
IllegalArgumentException.class,
() -> action.prepareRequest(request, mock(NodeClient.class)));
assertThat(
e,
hasToString(
containsString("request [/_nodes/stats] contains index metrics [" + indexMetric + "] but indices stats not requested")));
}
public void testIndexMetricsRequestOnAllRequest() throws IOException {
final HashMap<String, String> params = new HashMap<>();
params.put("metric", "_all");
final String indexMetric = randomSubsetOf(1, RestNodesStatsAction.FLAGS.keySet()).get(0);
params.put("index_metric", indexMetric);
final RestRequest request = new FakeRestRequest.Builder(xContentRegistry()).withPath("/_nodes/stats").withParams(params).build();
final IllegalArgumentException e = expectThrows(
IllegalArgumentException.class,
() -> action.prepareRequest(request, mock(NodeClient.class)));
assertThat(
e,
hasToString(
containsString("request [/_nodes/stats] contains index metrics [" + indexMetric + "] but all stats requested")));
}
}