/*
    * 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.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.codehaus.plexus.component.configurator.expression.ExpressionEvaluationException;
  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.Mockito;
  import org.mockito.junit.jupiter.MockitoExtension;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assertions.fail;
  import static org.mockito.ArgumentMatchers.anyString;
  import static org.mockito.Mockito.when;
  
  /**
   * The Class TestEvaluateBeanshell.
   *
   * @author hugonnem
   */
  @ExtendWith(MockitoExtension.class)
  class TestEvaluateBeanshell {
  
      @Mock
      private ExpressionEvaluator evaluator;
  
      @InjectMocks
      private EvaluateBeanshell rule;
  
      @BeforeEach
      public void setUp() throws Exception {
          rule.setLog(Mockito.mock(EnforcerLogger.class));
  
          // we need not testing ExpressionEvaluator
          when(evaluator.evaluate(anyString())).thenAnswer(i -> i.getArgument(0));
      }
  
      /**
       * Test rule.
       */
      @Test
      void testRulePass() throws Exception {
  
          rule.setCondition("\"This is a test.\" == \"This is a test.\"");
          rule.execute();
      }
  
      @Test
      void testRuleFail() {
          rule.setCondition("\"Test\" == null");
          rule.setMessage("We have a variable : ${env}");
  
          try {
              rule.execute();
              fail("Expected an exception.");
          } catch (EnforcerRuleException e) {
              assertEquals(e.getMessage(), rule.getMessage());
          }
      }
  
      @Test
      void testRuleFailNoMessage() {
          rule.setCondition("\"Test\" == null");
          try {
              rule.execute();
              fail("Expected an exception.");
          } catch (EnforcerRuleException e) {
              assertEquals("The expression \"\"Test\" == null\" is not true.", e.getLocalizedMessage());
              assertTrue(e.getLocalizedMessage().length() > 0);
          }
      }
  
      @Test
      void testRuleInvalidExpression() throws Exception {
          rule.setCondition("${env} == null");
         rule.setMessage("We have a variable : ${env}");
 
         when(evaluator.evaluate(rule.getCondition())).thenThrow(new ExpressionEvaluationException("expected error"));
         try {
             rule.execute();
             fail("Expected an exception.");
         } catch (EnforcerRuleException e) {
             assertNotEquals(e.getLocalizedMessage(), rule.getMessage());
         }
     }
 
     @Test
     void testRuleInvalidBeanshell() {
         rule.setCondition("this is not valid beanshell");
         rule.setMessage("We have a variable : ${env}");
         try {
             rule.execute();
             fail("Expected an exception.");
         } catch (EnforcerRuleException e) {
             assertNotEquals(e.getLocalizedMessage(), rule.getMessage());
         }
     }
 }