content: /*
   * 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.cassandra.sidecar.handlers;
  
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.google.inject.Guice;
  import com.google.inject.Injector;
  import com.google.inject.Module;
  import com.google.inject.util.Modules;
  import io.vertx.core.Vertx;
  import io.vertx.ext.web.client.WebClient;
  import io.vertx.ext.web.codec.BodyCodec;
  import io.vertx.junit5.VertxExtension;
  import io.vertx.junit5.VertxTestContext;
  import org.apache.cassandra.sidecar.TestModule;
  import org.apache.cassandra.sidecar.common.response.TimeSkewResponse;
  import org.apache.cassandra.sidecar.modules.SidecarModules;
  import org.apache.cassandra.sidecar.server.Server;
  import org.apache.cassandra.sidecar.utils.TimeProvider;
  
  import static io.netty.handler.codec.http.HttpResponseStatus.OK;
  import static org.assertj.core.api.Assertions.assertThat;
  
  /**
   * Test timeskew info handler.
   */
  @ExtendWith(VertxExtension.class)
  class TimeSkewInfoHandlerTest
  {
      private static final Logger logger = LoggerFactory.getLogger(TimeSkewInfoHandlerTest.class);
      private static final long TEST_TIMESTAMP = 12345L;
      private Vertx vertx;
      private Server server;
  
      @BeforeEach
      public void setUp() throws InterruptedException
      {
          Module customTimeProvider = binder -> binder.bind(TimeProvider.class).toInstance(() -> TEST_TIMESTAMP);
          Injector injector = Guice.createInjector(Modules.override(SidecarModules.all())
                                                          .with(new TestModule(), customTimeProvider));
          this.vertx = injector.getInstance(Vertx.class);
          this.server = injector.getInstance(Server.class);
          VertxTestContext context = new VertxTestContext();
          server.start()
                .onSuccess(s -> context.completeNow())
                .onFailure(context::failNow);
  
          context.awaitCompletion(5, TimeUnit.SECONDS);
      }
  
      @AfterEach
      void tearDown() throws InterruptedException
      {
          CountDownLatch closeLatch = new CountDownLatch(1);
          server.close().onSuccess(res -> closeLatch.countDown());
          if (closeLatch.await(60, TimeUnit.SECONDS))
              logger.info("Close event received before timeout.");
          else
              logger.error("Close event timed out.");
      }
  
      @Test
      void testReturnsTimeSkew(VertxTestContext context)
      {
          WebClient client = WebClient.create(vertx);
          String testRoute = "/api/v1/time-skew";
          client.get(server.actualPort(), "127.0.0.1", testRoute)
                .as(BodyCodec.buffer())
                .send(context.succeeding(response -> context.verify(() -> {
                    assertThat(response.statusCode()).isEqualTo(OK.code());
                    TimeSkewResponse timeSkewRes = response.bodyAsJson(TimeSkewResponse.class);
                    assertThat(timeSkewRes.allowableSkewInMinutes).isEqualTo(60);
                    assertThat(timeSkewRes.currentTime).isEqualTo(TEST_TIMESTAMP);
                    context.completeNow();
                })));
      }
  }
  