/**
    * Copyright (c) 2002-2015, JWebUnit team.
    *
    * This file is part of JWebUnit.
    *
    * JWebUnit is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Lesser General Public License as published by
    * the Free Software Foundation, either version 3 of the License, or
    * (at your option) any later version.
   *
   * JWebUnit is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public License
   * along with JWebUnit.  If not, see <http://www.gnu.org/licenses/>.
   */
  package net.sourceforge.jwebunit.junit;
  
  import junit.framework.TestCase;
  import net.sourceforge.jwebunit.api.ITestingEngine;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  public class WebTesterTest extends TestCase {
      public void testAssertImageSrcContainsShouldDelegateXPathExpressionToUnderlyingTestingEngine() throws Exception {
          String xpath = "//img[" + contains("src", "SOME URL") + "]";
  
          ITestingEngine engine = engine(xpath, true);
          WebTester tester = webTester(engine);
  
          tester.assertImagePresentPartial("SOME URL", null);
  
          verify(engine).hasElementByXPath(xpath);
      }
  
      public void testAssertImageContainsShouldDelegateXPathExpressionToUnderlyingTestingEngine() throws Exception {
          String xpath = "//img[" + contains("src", "SOME URL") + " and " + contains("alt", "SOME ALT TEXT") + "]";
  
          ITestingEngine engine = engine(xpath, true);
          WebTester tester = webTester(engine);
  
          tester.assertImagePresentPartial("SOME URL", "SOME ALT TEXT");
  
          verify(engine).hasElementByXPath(xpath);
      }
  
      private String contains(String attribute, String substring) {
          return "contains(@" + attribute + ", \"" + substring + "\")";
      }
  
      private ITestingEngine engine(String xpath, boolean hasElement) {
          ITestingEngine mock = mock(ITestingEngine.class);
          when(mock.hasElementByXPath(xpath)).thenReturn(hasElement);
          return mock;
      }
  
      private WebTester webTester(ITestingEngine engine) {
          WebTester tester = new WebTester();
          tester.setDialog(engine);
          return tester;
      }
  }