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.bookkeeper.server.http.service;
  
  import static org.junit.Assert.assertEquals;
  import static org.mockito.ArgumentMatchers.eq;
  import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.times;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  import lombok.extern.slf4j.Slf4j;
  import org.apache.bookkeeper.bookie.LedgerStorage;
  import org.apache.bookkeeper.bookie.storage.ldb.DbLedgerStorage;
  import org.apache.bookkeeper.conf.ServerConfiguration;
  import org.apache.bookkeeper.http.HttpServer;
  import org.apache.bookkeeper.http.service.HttpServiceRequest;
  import org.apache.bookkeeper.http.service.HttpServiceResponse;
  import org.apache.bookkeeper.proto.BookieServer;
  import org.junit.Before;
  import org.junit.Test;
  
  
  /**
   * Unit test for {@link TriggerGCService}.
   */
  @Slf4j
  public class TriggerGCServiceTest {
      private TriggerGCService service;
      private BookieServer mockBookieServer;
      private LedgerStorage mockLedgerStorage;
  
      @Before
      public void setup() {
          this.mockBookieServer = mock(BookieServer.class, RETURNS_DEEP_STUBS);
          this.mockLedgerStorage = mock(DbLedgerStorage.class);
          when(mockBookieServer.getBookie().getLedgerStorage()).thenReturn(mockLedgerStorage);
          when(mockLedgerStorage.isInForceGC()).thenReturn(false);
          when(mockLedgerStorage.isMajorGcSuspended()).thenReturn(false);
          when(mockLedgerStorage.isMinorGcSuspended()).thenReturn(false);
          this.service = new TriggerGCService(new ServerConfiguration(), mockBookieServer);
      }
  
      @Test
      public void testHandleRequest() throws Exception {
  
          // test empty put body
          HttpServiceRequest request = new HttpServiceRequest();
          request.setMethod(HttpServer.Method.PUT);
          HttpServiceResponse resp = service.handle(request);
          assertEquals(HttpServer.StatusCode.OK.getValue(), resp.getStatusCode());
          assertEquals("\"Triggered GC on BookieServer: " + mockBookieServer.getBookieId() + "\"",
              resp.getBody());
  
          // test invalid put json body
          request = new HttpServiceRequest();
          request.setMethod(HttpServer.Method.PUT);
          request.setBody("test");
          resp = service.handle(request);
          assertEquals(HttpServer.StatusCode.BAD_REQUEST.getValue(), resp.getStatusCode());
          assertEquals("Failed to handle the request, exception: Failed to deserialize Object from Json string",
              resp.getBody());
  
          // test forceMajor and forceMinor not set
          request = new HttpServiceRequest();
          request.setMethod(HttpServer.Method.PUT);
          request.setBody("{\"test\":1}");
          resp = service.handle(request);
          verify(mockLedgerStorage, times(1)).forceGC(eq(true), eq(true));
          assertEquals(HttpServer.StatusCode.OK.getValue(), resp.getStatusCode());
          assertEquals("\"Triggered GC on BookieServer: " + mockBookieServer.getBookieId() + "\"",
              resp.getBody());
  
          // test forceMajor set, but forceMinor not set
          request = new HttpServiceRequest();
          request.setMethod(HttpServer.Method.PUT);
          request.setBody("{\"test\":1,\"forceMajor\":true}");
          resp = service.handle(request);
          verify(mockLedgerStorage, times(2)).forceGC(eq(true), eq(true));
          assertEquals(HttpServer.StatusCode.OK.getValue(), resp.getStatusCode());
          assertEquals("\"Triggered GC on BookieServer: " + mockBookieServer.getBookieId() + "\"",
              resp.getBody());
  
          // test forceMajor set, but forceMinor not set
          request = new HttpServiceRequest();
          request.setMethod(HttpServer.Method.PUT);
          request.setBody("{\"test\":1,\"forceMajor\":\"true\"}");
          resp = service.handle(request);
          verify(mockLedgerStorage, times(3)).forceGC(eq(true), eq(true));
          assertEquals(HttpServer.StatusCode.OK.getValue(), resp.getStatusCode());
          assertEquals("\"Triggered GC on BookieServer: " + mockBookieServer.getBookieId() + "\"",
              resp.getBody());
  
          // test forceMajor set to false, and forMinor not set
          request = new HttpServiceRequest();
          request.setMethod(HttpServer.Method.PUT);
          request.setBody("{\"test\":1,\"forceMajor\":false}");
          resp = service.handle(request);
          verify(mockLedgerStorage, times(1)).forceGC(eq(false), eq(true));
          assertEquals(HttpServer.StatusCode.OK.getValue(), resp.getStatusCode());
          assertEquals("\"Triggered GC on BookieServer: " + mockBookieServer.getBookieId() + "\"",
              resp.getBody());
  
          // test forceMajor not set and forMinor set
          request = new HttpServiceRequest();
          request.setMethod(HttpServer.Method.PUT);
          request.setBody("{\"test\":1,\"forceMinor\":true}");
          resp = service.handle(request);
          verify(mockLedgerStorage, times(4)).forceGC(eq(true), eq(true));
          assertEquals(HttpServer.StatusCode.OK.getValue(), resp.getStatusCode());
          assertEquals("\"Triggered GC on BookieServer: " + mockBookieServer.getBookieId() + "\"",
              resp.getBody());
  
          // test get gc
          request = new HttpServiceRequest();
          request.setMethod(HttpServer.Method.GET);
          resp = service.handle(request);
          assertEquals(HttpServer.StatusCode.OK.getValue(), resp.getStatusCode());
          assertEquals("{\n  \"is_in_force_gc\" : \"false\"\n}", resp.getBody());
  
          // test invalid method type
          request = new HttpServiceRequest();
          request.setMethod(HttpServer.Method.POST);
          resp = service.handle(request);
          assertEquals(HttpServer.StatusCode.METHOD_NOT_ALLOWED.getValue(), resp.getStatusCode());
          assertEquals("Not allowed method. Should be PUT to trigger GC, Or GET to get Force GC state.",
              resp.getBody());
      }
  
  }
  