/*
    * 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.
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  package org.apache.maven.enforcer.rules;
  
  import org.apache.maven.enforcer.rule.api.EnforcerLogger;
  import org.apache.maven.enforcer.rule.api.EnforcerRuleException;
  import org.apache.maven.enforcer.rules.utils.ExpressionEvaluator;
  import org.apache.maven.plugin.MojoExecution;
  import org.apache.maven.plugin.descriptor.MojoDescriptor;
  import org.codehaus.plexus.util.xml.Xpp3Dom;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.InjectMocks;
  import org.mockito.Mock;
  import org.mockito.junit.jupiter.MockitoExtension;
  
  import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.Mockito.when;
  
  @ExtendWith(MockitoExtension.class)
  class TestExternalRules {
  
      @Mock
      private MojoExecution mojoExecution;
  
      @Mock
      private ExpressionEvaluator evaluator;
  
      @Mock
      private EnforcerLogger logger;
  
      @InjectMocks
      private ExternalRules rule;
  
      @BeforeEach
      void setup() {
          rule.setLog(logger);
      }
  
      @Test
      void shouldFailIfNoLocationIsSet() {
          assertThatExceptionOfType(EnforcerRuleException.class)
                  .isThrownBy(() -> rule.getRulesConfig())
                  .withMessage("No location provided");
      }
  
      @Test
      void shouldFailIfClasspathLocationIsNotFound() {
  
          MojoDescriptor mojoDescriptor = new MojoDescriptor();
          mojoDescriptor.setRealm(EnforcerTestUtils.getTestClassRealm());
          when(mojoExecution.getMojoDescriptor()).thenReturn(mojoDescriptor);
          rule.setLocation("classpath:foo");
  
          assertThatExceptionOfType(EnforcerRuleException.class)
                  .isThrownBy(() -> rule.getRulesConfig())
                  .withMessage("Location 'foo' not found in classpath");
      }
  
      @Test
      void shouldFailIfFileLocationIsNotFound() {
          when(evaluator.alignToBaseDirectory(any())).thenAnswer(i -> i.getArgument(0));
  
          rule.setLocation("blah.xml");
          assertThatExceptionOfType(EnforcerRuleException.class)
                  .isThrownBy(() -> rule.getRulesConfig())
                  .withMessageMatching("Could not read descriptor in .*blah.xml");
      }
  
      @Test
      void shouldLoadRulesFromClassPath() throws EnforcerRuleException {
          MojoDescriptor mojoDescriptor = new MojoDescriptor();
          mojoDescriptor.setRealm(EnforcerTestUtils.getTestClassRealm());
          when(mojoExecution.getMojoDescriptor()).thenReturn(mojoDescriptor);
          rule.setLocation("classpath:enforcer-rules/pass.xml");
  
          Xpp3Dom rulesConfig = rule.getRulesConfig();
          assertNotNull(rulesConfig);
          assertEquals(2, rulesConfig.getChildCount());
     }
 }