/*
    * 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
    *
    *      https://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.commons.jexl3.internal;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.commons.jexl3.JexlBuilder;
  import org.apache.commons.jexl3.JexlException;
  import org.apache.commons.jexl3.JexlTestCase;
  import org.apache.commons.jexl3.internal.introspection.Uberspect;
  import org.apache.commons.jexl3.introspection.JexlPermissions;
  import org.apache.commons.jexl3.introspection.JexlUberspect;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  
  
  
  public class FqcnTest extends JexlTestCase {
    public static final int FORTYTWO = 42;
    public FqcnTest() {
      super("FqcnTest");
    }
  
    @BeforeEach
    @Override
    public void setUp() throws Exception {
      // ensure jul logging is only error
      java.util.logging.Logger.getLogger(org.apache.commons.jexl3.JexlEngine.class.getName()).setLevel(java.util.logging.Level.SEVERE);
    }
  
    @AfterEach
    @Override
    public void tearDown() throws Exception {
      super.tearDown();
    }
  
    public enum FqcnScope {
      UNDEFINED, UNDECLARED, GLOBAL, LOCAL, THIS, SUPER;
    }
  
    Object getConstant(final List<String> imports, final String name) throws Exception {
      final JexlUberspect uber = new Uberspect(null, null, JexlPermissions.UNRESTRICTED);
      final FqcnResolver resolver = new FqcnResolver(uber, imports);
      return resolver.resolveConstant(name);
    }
  
    @Test
    void testBadImport0() {
      final List<String> imports = Collections.singletonList("org.apache.commons.jexl4242");
      assertThrows(JexlException.class, () -> new JexlBuilder().imports(imports).create());
    }
  
    @Test
    void testBadImport1() {
      // permissions will not allow this import
      final List<String> imports = Collections.singletonList("org.apache.commons.jexl.JexlEngine");
      assertThrows(JexlException.class, () -> new JexlBuilder().imports(imports).create());
    }
  
    @Test
    public void testFqcn() throws Exception {
      final List<String> imports = Arrays.asList("org.apache.commons.jexl3.internal.FqcnTest", "org.apache.commons.jexl3.internal", "java.lang");
      Object c = getConstant(imports, "FqcnScope.UNDEFINED");
      assertNotNull(c);
      assertEquals(FqcnScope.UNDEFINED, c);
      c = getConstant(imports, "FqcnScope.SUPER");
      assertEquals(FqcnScope.SUPER, c);
      c = getConstant(imports, "FqcnScope.SUPER");
      assertEquals(FqcnScope.SUPER, c);
      c = getConstant(imports, "FqcnTest.FORTYTWO");
      assertEquals(42, c);
    }
  }