/*
    * 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.maven.toolchain;
  
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.maven.execution.DefaultMavenExecutionRequest;
  import org.apache.maven.execution.MavenExecutionRequest;
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.toolchain.model.ToolchainModel;
  import org.codehaus.plexus.logging.Logger;
  import org.junit.Before;
  import org.junit.Test;
  import org.mockito.ArgumentMatchers;
  import org.mockito.InjectMocks;
  import org.mockito.Mock;
  import org.mockito.MockitoAnnotations;
  
  import static org.junit.Assert.assertEquals;
  import static org.mockito.ArgumentMatchers.isA;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  public class DefaultToolchainManagerTest {
      // Mocks to inject into toolchainManager
      @Mock
      private Logger logger;
  
      @InjectMocks
      private DefaultToolchainManager toolchainManager;
  
      @Mock
      private ToolchainFactory toolchainFactory_basicType;
  
      @Mock
      private ToolchainFactory toolchainFactory_rareType;
  
      @Before
      public void onSetup() throws Exception {
          toolchainManager = new DefaultToolchainManager();
  
          MockitoAnnotations.initMocks(this);
  
          toolchainManager.factories = new HashMap<>();
          toolchainManager.factories.put("basic", toolchainFactory_basicType);
          toolchainManager.factories.put("rare", toolchainFactory_rareType);
      }
  
      @Test
      public void testNoModels() {
          MavenSession session = mock(MavenSession.class);
          MavenExecutionRequest executionRequest = new DefaultMavenExecutionRequest();
          when(session.getRequest()).thenReturn(executionRequest);
  
          List<Toolchain> toolchains = toolchainManager.getToolchains(session, "unknown", null);
  
          assertEquals(0, toolchains.size());
      }
  
      @Test
      public void testModelNoFactory() {
          MavenSession session = mock(MavenSession.class);
          MavenExecutionRequest executionRequest = new DefaultMavenExecutionRequest();
          Map<String, List<ToolchainModel>> toolchainModels = new HashMap<>();
          toolchainModels.put("unknown", Collections.singletonList(new ToolchainModel()));
          executionRequest.setToolchains(toolchainModels);
          when(session.getRequest()).thenReturn(executionRequest);
  
          List<Toolchain> toolchains = toolchainManager.getToolchains(session, "unknown", null);
  
          assertEquals(0, toolchains.size());
          verify(logger).error("Missing toolchain factory for type: unknown. Possibly caused by misconfigured project.");
      }
  
      @Test
      public void testModelAndFactory() {
          MavenSession session = mock(MavenSession.class);
          MavenExecutionRequest executionRequest = new DefaultMavenExecutionRequest();
         Map<String, List<ToolchainModel>> toolchainModels = new HashMap<>();
         toolchainModels.put("basic", Arrays.asList(new ToolchainModel(), new ToolchainModel()));
         toolchainModels.put("rare", Collections.singletonList(new ToolchainModel()));
         executionRequest.setToolchains(toolchainModels);
         when(session.getRequest()).thenReturn(executionRequest);
 
         List<Toolchain> toolchains = toolchainManager.getToolchains(session, "rare", null);
 
         assertEquals(1, toolchains.size());
     }
 
     @Test
     public void testModelsAndFactory() {
         MavenSession session = mock(MavenSession.class);
         MavenExecutionRequest executionRequest = new DefaultMavenExecutionRequest();
         Map<String, List<ToolchainModel>> toolchainModels = new HashMap<>();
         toolchainModels.put("basic", Arrays.asList(new ToolchainModel(), new ToolchainModel()));
         toolchainModels.put("rare", Collections.singletonList(new ToolchainModel()));
         executionRequest.setToolchains(toolchainModels);
         when(session.getRequest()).thenReturn(executionRequest);
 
         List<Toolchain> toolchains = toolchainManager.getToolchains(session, "basic", null);
 
         assertEquals(2, toolchains.size());
     }
 
     @Test
     public void testRequirements() throws Exception {
         MavenSession session = mock(MavenSession.class);
         MavenExecutionRequest executionRequest = new DefaultMavenExecutionRequest();
         Map<String, List<ToolchainModel>> toolchainModels = new HashMap<>();
         toolchainModels.put("basic", Arrays.asList(new ToolchainModel(), new ToolchainModel()));
         toolchainModels.put("rare", Collections.singletonList(new ToolchainModel()));
         executionRequest.setToolchains(toolchainModels);
         when(session.getRequest()).thenReturn(executionRequest);
         ToolchainPrivate basicPrivate = mock(ToolchainPrivate.class);
         when(basicPrivate.matchesRequirements(ArgumentMatchers.<String, String>anyMap()))
                 .thenReturn(false)
                 .thenReturn(true);
         when(toolchainFactory_basicType.createToolchain(isA(ToolchainModel.class)))
                 .thenReturn(basicPrivate);
 
         List<Toolchain> toolchains =
                 toolchainManager.getToolchains(session, "basic", Collections.singletonMap("key", "value"));
 
         assertEquals(1, toolchains.size());
     }
 }