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1   /*
2    * Copyright (c) 2002-2025 Gargoyle Software Inc.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * https://www.apache.org/licenses/LICENSE-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed under the License is distributed on an "AS IS" BASIS,
11   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12   * See the License for the specific language governing permissions and
13   * limitations under the License.
14   */
15  package org.htmlunit.libraries;
16  
17  import java.net.URL;
18  
19  import org.eclipse.jetty.server.Server;
20  import org.htmlunit.WebDriverTestCase;
21  import org.htmlunit.WebServerTestCase;
22  import org.htmlunit.junit.BrowserRunner;
23  import org.junit.AfterClass;
24  import org.junit.BeforeClass;
25  import org.junit.Ignore;
26  import org.junit.Test;
27  import org.junit.runner.RunWith;
28  import org.openqa.selenium.JavascriptExecutor;
29  import org.openqa.selenium.WebDriver;
30  
31  /**
32   * Tests for compatibility with <a href="https://www.chartjs.org/">Chart.js</a>.
33   *
34   * @author Ronald Brill
35   */
36  @RunWith(BrowserRunner.class)
37  public class ChartJs4x4x6Test extends WebDriverTestCase {
38  
39      /** The server. */
40      protected static Server SERVER_;
41  
42      /**
43       * @throws Exception if an error occurs
44       */
45      @BeforeClass
46      public static void startSesrver() throws Exception {
47          SERVER_ = WebServerTestCase.createWebServer("src/test/resources/libraries/chartjs/4.4.6/", null);
48      }
49  
50      /**
51       * @throws Exception if an error occurs
52       */
53      @AfterClass
54      public static void stopServer() throws Exception {
55          if (SERVER_ != null) {
56              SERVER_.stop();
57              SERVER_.destroy();
58              SERVER_ = null;
59          }
60      }
61  
62      /**
63       * @return the resource base URL
64       */
65      protected URL getBaseUrl() {
66          return URL_FIRST;
67      }
68  
69      /**
70       * @throws Exception if the test fails
71       */
72      @Test
73      @Ignore("Fails because of the missing spread support")
74      public void simpleBarChart() throws Exception {
75          doTest("simple_bar_chart");
76      }
77  
78      private void doTest(final String filename) throws Exception {
79          final WebDriver driver = getWebDriver();
80          driver.get(getBaseUrl() + filename + ".html");
81  
82          // final WebElement chart = driver.findElement(By.id("myChart"));
83          ((JavascriptExecutor) driver).executeScript("return document.getElementById('myLog').value = "
84                          + "document.getElementById('myChart').toDataURL('image/png') + '§'");
85          final String expected = loadExpectation("/libraries/chartjs/4.4.6/expectations/" + filename, ".expected");
86          verifyTextArea2(driver, expected);
87      }
88  }