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 com.cloud.hypervisor.kvm.dpdk;
  
  import com.cloud.utils.script.Script;
  import org.junit.After;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.mockito.ArgumentMatchers;
  import org.mockito.MockedStatic;
  import org.mockito.Mockito;
  import org.mockito.MockitoAnnotations;
  import org.mockito.junit.MockitoJUnitRunner;
  
  
  import java.util.HashMap;
  import java.util.Map;
  
  @RunWith(MockitoJUnitRunner.class)
  public class DpdkDriverTest {
  
      private static final int dpdkPortNumber = 7;
  
      private DpdkDriver driver = new DpdkDriverImpl();
  
      private Map<String, String> extraConfig;
  
      private MockedStatic<Script> scriptMockedStatic;
  
      private AutoCloseable closeable;
  
      @Before
      public void initMocks() {
          closeable = MockitoAnnotations.openMocks(this);
          scriptMockedStatic = Mockito.mockStatic(Script.class);
          Mockito.when(Script.runSimpleBashScript(ArgumentMatchers.anyString())).thenReturn(null);
          extraConfig = new HashMap<>();
      }
  
      @After
      public void tearDown() throws Exception {
          scriptMockedStatic.close();
          closeable.close();
      }
  
      @Test
      public void testGetDpdkLatestPortNumberUsedNoDpdkPorts() {
          Assert.assertEquals(0, driver.getDpdkLatestPortNumberUsed());
      }
  
      @Test
      public void testGetDpdkLatestPortNumberUsedExistingDpdkPorts() {
          Mockito.when(Script.runSimpleBashScript(ArgumentMatchers.anyString())).
                  thenReturn(DpdkDriverImpl.DPDK_PORT_PREFIX + String.valueOf(dpdkPortNumber));
          Assert.assertEquals(dpdkPortNumber, driver.getDpdkLatestPortNumberUsed());
      }
  
      @Test
      public void testGetNextDpdkPortNoDpdkPorts() {
          Mockito.when(Script.runSimpleBashScript(ArgumentMatchers.anyString())).
                  thenReturn(null);
          String expectedPortName = DpdkDriverImpl.DPDK_PORT_PREFIX + String.valueOf(1);
          Assert.assertEquals(expectedPortName, driver.getNextDpdkPort());
      }
  
      @Test
      public void testGetNextDpdkPortExistingDpdkPorts() {
          Mockito.when(Script.runSimpleBashScript(ArgumentMatchers.anyString())).
                  thenReturn(DpdkDriverImpl.DPDK_PORT_PREFIX + String.valueOf(dpdkPortNumber));
          String expectedPortName = DpdkDriverImpl.DPDK_PORT_PREFIX + String.valueOf(dpdkPortNumber + 1);
          Assert.assertEquals(expectedPortName, driver.getNextDpdkPort());
      }
  
      @Test
      public void testGetGuestInterfacesModeFromDpdkVhostUserModeClientDpdk() {
          String guestMode = driver.getGuestInterfacesModeFromDpdkVhostUserMode(DpdkHelper.VHostUserMode.CLIENT);
          Assert.assertEquals("server", guestMode);
      }
  
      @Test
      public void testGetGuestInterfacesModeFromDpdkVhostUserModeServerDpdk() {
          String guestMode = driver.getGuestInterfacesModeFromDpdkVhostUserMode(DpdkHelper.VHostUserMode.SERVER);
          Assert.assertEquals("client", guestMode);
      }
  
      @Test
      public void testGetDpdkvHostUserModeServerExtraConfig() {
          extraConfig.put(DpdkHelper.DPDK_VHOST_USER_MODE, DpdkHelper.VHostUserMode.SERVER.toString());
          DpdkHelper.VHostUserMode dpdKvHostUserMode = driver.getDpdkvHostUserMode(extraConfig);
          Assert.assertEquals(DpdkHelper.VHostUserMode.SERVER, dpdKvHostUserMode);
      }
  
      @Test
      public void testGetDpdkvHostUserModeServerClientExtraConfig() {
          extraConfig.put(DpdkHelper.DPDK_VHOST_USER_MODE, DpdkHelper.VHostUserMode.CLIENT.toString());
          DpdkHelper.VHostUserMode dpdKvHostUserMode = driver.getDpdkvHostUserMode(extraConfig);
          Assert.assertEquals(DpdkHelper.VHostUserMode.CLIENT, dpdKvHostUserMode);
      }
  
      @Test
      public void testGetDpdkvHostUserModeServerEmptyExtraConfig() {
          DpdkHelper.VHostUserMode dpdKvHostUserMode = driver.getDpdkvHostUserMode(extraConfig);
          Assert.assertEquals(DpdkHelper.VHostUserMode.SERVER, dpdKvHostUserMode);
      }
  }
  