boot-fx/src/test/java/net/java/html/boot/fx/FXBrowsersOnResourceTest.java
author Jaroslav Tulach <jtulach@netbeans.org>
Sun, 11 Oct 2015 07:24:32 +0200
changeset 1008 c535c36881af
parent 1006 a0f79e32d526
permissions -rw-r--r--
#255831: BrowserBuilder.showAndWait can be used multiple times with JavaFX presenter. Demonstrated by running the boot-fx tests in 'fork once' mode.
     1 /**
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    23  * License Header, with the fields enclosed by brackets [] replaced by
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    29  * The Original Software is NetBeans. The Initial Developer of the Original
    30  * Software is Oracle. Portions Copyright 2013-2014 Oracle. All Rights Reserved.
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    32  * If you wish your version of this file to be governed by only the CDDL
    33  * or only the GPL Version 2, indicate your decision by adding
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    35  * under the [CDDL or GPL Version 2] license." If you do not indicate a
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    42  */
    43 package net.java.html.boot.fx;
    44 
    45 import java.net.URL;
    46 import java.util.concurrent.CountDownLatch;
    47 import javafx.application.Application;
    48 import javafx.application.Platform;
    49 import javafx.scene.Scene;
    50 import javafx.scene.layout.BorderPane;
    51 import javafx.scene.web.WebView;
    52 import javafx.stage.Stage;
    53 import net.java.html.js.JavaScriptBody;
    54 import net.java.html.js.JavaScriptResource;
    55 import static org.testng.Assert.assertEquals;
    56 import static org.testng.Assert.assertNotNull;
    57 import static org.testng.Assert.assertNotSame;
    58 import org.testng.annotations.BeforeClass;
    59 import org.testng.annotations.Test;
    60 
    61 /**
    62  *
    63  * @author Jaroslav Tulach
    64  */
    65 public class FXBrowsersOnResourceTest {
    66     
    67     public FXBrowsersOnResourceTest() {
    68     }
    69     
    70     @BeforeClass public void initFX() throws Throwable {
    71         new Thread("initFX") {
    72             @Override
    73             public void run() {
    74                 if (Platform.isFxApplicationThread()) {
    75                     new App().start(new Stage());
    76                 } else {
    77                     try {
    78                         App.launch(App.class);
    79                     } catch (IllegalStateException ex) {
    80                         Platform.runLater(this);
    81                     }
    82                 }
    83             }
    84         }.start();
    85         App.CDL.await();
    86     }
    87 
    88     @Test
    89     public void behaviorOfTwoWebViewsAtOnce() throws Throwable {
    90         class R implements Runnable {
    91             CountDownLatch DONE = new CountDownLatch(1);
    92             Throwable t;
    93 
    94             @Override
    95             public void run() {
    96                 try {
    97                     doTest();
    98                 } catch (Throwable ex) {
    99                     t = ex;
   100                 } finally {
   101                     DONE.countDown();
   102                 }
   103             }
   104             
   105             private void doTest() throws Throwable {
   106                 URL u = FXBrowsersOnResourceTest.class.getResource("/org/netbeans/html/boot/fx/empty.html");
   107                 assertNotNull(u, "URL found");
   108                 FXBrowsers.load(App.getV1(), u, OnPages.class, "first");
   109                 
   110             }
   111         }
   112         R run = new R();
   113         Platform.runLater(run);
   114         run.DONE.await();
   115         for (int i = 0; i < 100; i++) {
   116             if (run.t != null) {
   117                 throw run.t;
   118             }
   119             if (System.getProperty("finalSecond") == null) {
   120                 Thread.sleep(100);
   121             }
   122         }
   123         
   124         
   125         
   126         assertEquals(Integer.getInteger("finalFirst"), Integer.valueOf(3), "Three times in view one");
   127         assertEquals(Integer.getInteger("finalSecond"), Integer.valueOf(2), "Two times in view one");
   128     }
   129 
   130     @JavaScriptResource("wnd.js")
   131     public static class OnPages {
   132         static Class<?> first;
   133         static Object firstWindow;
   134         
   135         public static void first() {
   136             first = OnPages.class;
   137             firstWindow = window();
   138             assertNotNull(firstWindow, "First window found");
   139             
   140             assertEquals(increment(), 1, "Now it is one");
   141             
   142             URL u = FXBrowsersOnResourceTest.class.getResource("/org/netbeans/html/boot/fx/empty.html");
   143             assertNotNull(u, "URL found");
   144             FXBrowsers.load(App.getV2(), u, OnPages.class, "second", "Hello");
   145             
   146             assertEquals(increment(), 2, "Now it is two and not influenced by second view");
   147             System.setProperty("finalFirst", "" + increment());
   148         }
   149         
   150         public static void second(String... args) {
   151             assertEquals(args.length, 1, "One string argument");
   152             assertEquals(args[0], "Hello", "It is hello");
   153             assertEquals(first, OnPages.class, "Both views share the same classloader");
   154             
   155             Object window = window();
   156             assertNotNull(window, "Some window found");
   157             assertNotNull(firstWindow, "First window is known");
   158             assertNotSame(firstWindow, window, "The window objects should be different");
   159             
   160             assertEquals(increment(), 1, "Counting starts from zero");
   161             System.setProperty("finalSecond", "" + increment());
   162         }
   163         
   164         @JavaScriptBody(args = {}, body = "return wnd;")
   165         private static native Object window();
   166         
   167         @JavaScriptBody(args = {}, body = ""
   168             + "if (wnd.cnt) return ++wnd.cnt;"
   169             + "return wnd.cnt = 1;"
   170         )
   171         private static native int increment();
   172     }
   173     
   174     public static class App extends Application {
   175         static final CountDownLatch CDL = new CountDownLatch(1);
   176         private static BorderPane pane;
   177 
   178         /**
   179          * @return the v1
   180          */
   181         static WebView getV1() {
   182             return (WebView)System.getProperties().get("v1");
   183         }
   184 
   185         /**
   186          * @return the v2
   187          */
   188         static WebView getV2() {
   189             return (WebView)System.getProperties().get("v2");
   190         }
   191 
   192         @Override
   193         public void start(Stage stage) {
   194             pane= new BorderPane();
   195             Scene scene = new Scene(pane, 800, 600);
   196             stage.setScene(scene);
   197             
   198             System.getProperties().put("v1", new WebView());
   199             System.getProperties().put("v2", new WebView());
   200 
   201             pane.setCenter(getV1());
   202             pane.setBottom(getV2());
   203 
   204             CDL.countDown();
   205         }
   206         
   207         
   208     }
   209 }