/*
    *    Copyright 2009-2023 the original author or authors.
    *
    *    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
    *
    *       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.ibatis.builder.xml.dynamic;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.util.HashMap;
  
  import org.apache.ibatis.domain.blog.Author;
  import org.apache.ibatis.domain.blog.Section;
  import org.apache.ibatis.scripting.xmltags.ExpressionEvaluator;
  import org.junit.jupiter.api.Test;
  
  class ExpressionEvaluatorTest {
  
    private final ExpressionEvaluator evaluator = new ExpressionEvaluator();
  
    @Test
    void shouldCompareStringsReturnTrue() {
      boolean value = evaluator.evaluateBoolean("username == 'cbegin'",
          new Author(1, "cbegin", "******", "cbegin@apache.org", "N/A", Section.NEWS));
      assertTrue(value);
    }
  
    @Test
    void shouldCompareStringsReturnFalse() {
      boolean value = evaluator.evaluateBoolean("username == 'norm'",
          new Author(1, "cbegin", "******", "cbegin@apache.org", "N/A", Section.NEWS));
      assertFalse(value);
    }
  
    @Test
    void shouldReturnTrueIfNotNull() {
      boolean value = evaluator.evaluateBoolean("username",
          new Author(1, "cbegin", "******", "cbegin@apache.org", "N/A", Section.NEWS));
      assertTrue(value);
    }
  
    @Test
    void shouldReturnFalseIfNull() {
      boolean value = evaluator.evaluateBoolean("password",
          new Author(1, "cbegin", null, "cbegin@apache.org", "N/A", Section.NEWS));
      assertFalse(value);
    }
  
    @Test
    void shouldReturnTrueIfNotZero() {
      boolean value = evaluator.evaluateBoolean("id",
          new Author(1, "cbegin", null, "cbegin@apache.org", "N/A", Section.NEWS));
      assertTrue(value);
    }
  
    @Test
    void shouldReturnFalseIfZero() {
      boolean value = evaluator.evaluateBoolean("id",
          new Author(0, "cbegin", null, "cbegin@apache.org", "N/A", Section.NEWS));
      assertFalse(value);
    }
  
    @Test
    void shouldReturnFalseIfZeroWithScale() {
      class Bean {
        @SuppressWarnings("unused")
        public double d = 0.0d;
      }
      assertFalse(evaluator.evaluateBoolean("d", new Bean()));
    }
  
    @Test
    void shouldIterateOverIterable() {
      final HashMap<String, String[]> parameterObject = new HashMap<>() {
        private static final long serialVersionUID = 1L;
        {
          put("array", new String[] { "1", "2", "3" });
        }
      };
      final Iterable<?> iterable = evaluator.evaluateIterable("array", parameterObject);
      int i = 0;
      for (Object o : iterable) {
        i++;
        assertEquals(String.valueOf(i), o);
      }
    }
  
 }