/*
    * Copyright (c) 2002-2025 Gargoyle Software Inc.
    *
    * 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.htmlunit.libraries;
  
  import java.net.URL;
  
  import org.eclipse.jetty.server.Server;
  import org.htmlunit.WebDriverTestCase;
  import org.htmlunit.WebServerTestCase;
  import org.htmlunit.junit.BrowserRunner;
  import org.junit.AfterClass;
  import org.junit.BeforeClass;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.openqa.selenium.JavascriptExecutor;
  import org.openqa.selenium.WebDriver;
  
  /**
   * Tests for compatibility with <a href="https://www.chartjs.org/">Chart.js</a>.
   *
   * @author Ronald Brill
   */
  @RunWith(BrowserRunner.class)
  public class ChartJs2x9x4Test extends WebDriverTestCase {
  
      /** The server. */
      protected static Server SERVER_;
  
      /**
       * @throws Exception if an error occurs
       */
      @BeforeClass
      public static void startSesrver() throws Exception {
          SERVER_ = WebServerTestCase.createWebServer("src/test/resources/libraries/chartjs/2.9.4/", null);
      }
  
      /**
       * @throws Exception if an error occurs
       */
      @AfterClass
      public static void stopServer() throws Exception {
          if (SERVER_ != null) {
              SERVER_.stop();
              SERVER_.destroy();
              SERVER_ = null;
          }
      }
  
      /**
       * @return the resource base URL
       */
      protected URL getBaseUrl() {
          return URL_FIRST;
      }
  
      /**
       * @throws Exception if the test fails
       */
      @Test
      public void simpleBarChart() throws Exception {
          doTest("simple_bar_chart");
      }
  
      private void doTest(final String filename) throws Exception {
          final WebDriver driver = getWebDriver();
          driver.get(getBaseUrl() + filename + ".html");
  
          // final WebElement chart = driver.findElement(By.id("myChart"));
          ((JavascriptExecutor) driver).executeScript("return document.getElementById('myLog').value = "
                          + "document.getElementById('myChart').toDataURL('image/png') + '§'");
          final String expected = loadExpectation("/libraries/chartjs/2.9.4/expectations/" + filename, ".expected");
          verifyTextArea2(driver, expected);
      }
  }