package org.codehaus.plexus.interpolation;
   
   /*
    * Copyright 2001-2008 Codehaus Foundation.
    *
    * Licensed 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.
   */
  
  import java.util.Arrays;
  import java.util.Collections;
  
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class PrefixAwareRecursionInterceptorTest {
  
      @Test
      public void testFindExpression() {
          PrefixAwareRecursionInterceptor receptor =
                  new PrefixAwareRecursionInterceptor(Collections.singleton("prefix."));
  
          String expr = "prefix.first";
  
          receptor.expressionResolutionStarted(expr);
  
          assertTrue(receptor.hasRecursiveExpression(expr));
          assertEquals("[first]", receptor.getExpressionCycle(expr).toString());
  
          receptor.expressionResolutionFinished(expr);
  
          assertFalse(receptor.hasRecursiveExpression(expr));
      }
  
      @Test
      public void testFindExpressionWithDifferentPrefix() {
          PrefixAwareRecursionInterceptor receptor =
                  new PrefixAwareRecursionInterceptor(Arrays.asList(new String[] {"prefix.", "other."}));
  
          String expr = "prefix.first";
  
          receptor.expressionResolutionStarted(expr);
  
          assertTrue(receptor.hasRecursiveExpression(expr));
  
          receptor.expressionResolutionFinished(expr);
  
          assertFalse(receptor.hasRecursiveExpression(expr));
      }
  
      @Test
      public void testFindExpressionWithoutPrefix() {
          PrefixAwareRecursionInterceptor receptor =
                  new PrefixAwareRecursionInterceptor(Arrays.asList(new String[] {"prefix.", "other."}));
  
          String prefixedExpr = "prefix.first";
          String expr = "first";
  
          receptor.expressionResolutionStarted(prefixedExpr);
  
          assertTrue(receptor.hasRecursiveExpression(expr));
  
          receptor.expressionResolutionFinished(prefixedExpr);
  
          assertFalse(receptor.hasRecursiveExpression(expr));
      }
  }