ElasticsearchHttpSpanStoreTest.java

/**
 * Copyright 2015-2017 The OpenZipkin Authors
 *
 * Licensed 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 zipkin.storage.elasticsearch.http;

import java.io.IOException;
import java.util.concurrent.TimeUnit;
import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import okhttp3.mockwebserver.RecordedRequest;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import zipkin.internal.Util;

import static java.util.Arrays.asList;
import static org.assertj.core.api.Assertions.assertThat;
import static zipkin.storage.elasticsearch.http.ElasticsearchHttpSpanStore.SERVICE_SPAN;
import static zipkin.storage.elasticsearch.http.TestResponses.SERVICE_NAMES;
import static zipkin.storage.elasticsearch.http.TestResponses.SPAN_NAMES;

public class ElasticsearchHttpSpanStoreTest {
  @Rule
  public ExpectedException thrown = ExpectedException.none();
  @Rule
  public MockWebServer es = new MockWebServer();

  ElasticsearchHttpStorage storage = ElasticsearchHttpStorage.builder()
      .hosts(asList(es.url("").toString()))
      .build();

  /** gets the index template so that each test doesn't have to */
  @Before
  public void getIndexTemplate() throws IOException, InterruptedException {
    es.enqueue(new MockResponse().setBody("{\"version\":{\"number\":\"2.4.0\"}}"));
    es.enqueue(new MockResponse()); // get template
    storage.ensureIndexTemplate();
    es.takeRequest(); // get version
    es.takeRequest(); // get template
  }

  @After
  public void close() throws IOException {
    storage.close();
  }

  @Test
  public void serviceNames_defaultsTo24HrsAgo() throws Exception {
    es.enqueue(new MockResponse().setBody(SERVICE_NAMES));
    storage.spanStore().getServiceNames();

    requestLimitedTo2DaysOfIndices();
  }

  @Test
  public void spanNames_defaultsTo24HrsAgo() throws Exception {
    es.enqueue(new MockResponse().setBody(SPAN_NAMES));
    storage.spanStore().getSpanNames("foo");

    requestLimitedTo2DaysOfIndices();
  }

  private void requestLimitedTo2DaysOfIndices() throws InterruptedException {
    long today = Util.midnightUTC(System.currentTimeMillis());
    long yesterday = today - TimeUnit.DAYS.toMillis(1);

    // 24 hrs ago always will fall into 2 days (ex. if it is 4:00pm, 24hrs ago is a different day)
    String indexesToSearch = ""
        + storage.indexNameFormatter().indexNameForTimestamp(yesterday)
        + ","
        + storage.indexNameFormatter().indexNameForTimestamp(today);

    RecordedRequest request = es.takeRequest();
    assertThat(request.getPath())
        .startsWith("/" + indexesToSearch + "/" + SERVICE_SPAN + "/_search");
  }
}