filter out invisible elements

test/com/dom_distiller/client/DomToSaxParserTest.java

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package com.dom_distiller.client;
-
-import java.util.regex.Pattern;
-import java.util.regex.Matcher;
-
-import com.google.gwt.junit.client.GWTTestCase;
-
-import com.google.gwt.core.client.JsArray;
-import com.google.gwt.dom.client.Document;
-import com.google.gwt.dom.client.Element;
-import com.google.gwt.dom.client.Node;
-import com.google.gwt.dom.client.NodeList;
-import com.google.gwt.dom.client.Text;
-import com.google.gwt.user.client.DOM;
-
-import org.xml.sax.Attributes;
-
-public class DomToSaxParserTest extends GWTTestCase {
-    @Override
-    public String getModuleName() {
-        return "com.dom_distiller.DomDistillerJUnit";
-    }
-
-    public void testGetAttributes() {
-        Element e = Document.get().createDivElement();
-        e.setInnerHTML("<div style=\"width:50px; height:100px\" id=\"f\" class=\"sdf\"></div>");
-        e = Element.as(e.getChildNodes().getItem(0));
-        JsArray<Node> jsAttrs = DomUtil.getAttributes(e);
-        assertEquals(3, jsAttrs.length());
-    }
-
-    public void testGetSaxAttributes() {
-        Element e = Document.get().createDivElement();
-        e.setInnerHTML("<div style=\"width:50px; height:100px\" id=\"f\" class=\"sdf\"></div>");
-        e = Element.as(e.getChildNodes().getItem(0));
-        Attributes attrs = DomToSaxParser.getSaxAttributes(e);
-        assertEquals(3, attrs.getLength());
-        assertEquals("f", attrs.getValue("id"));
-        assertEquals("sdf", attrs.getValue("class"));
-    }
-
-    private void runDomParserTest(String innerHtml) throws Throwable {
-        Element container = Document.get().createDivElement();
-        container.setInnerHTML(innerHtml);
-        SimpleContentHandler contentHandler = new SimpleContentHandler();
-        DomToSaxParser.parse(container, contentHandler);
-        String expectedDocument = "<div>" + innerHtml + "</div>";
-        assertEquals(expectedDocument, contentHandler.getDocumentString().toLowerCase());
-    }
-
-    public void testDomParserText() throws Throwable {
-        runDomParserTest("foo");
-    }
-
-    public void testDomParserElement() throws Throwable {
-        runDomParserTest("<div></div>");
-    }
-
-    public void testDomParserSiblings() throws Throwable {
-        runDomParserTest("<div></div><div></div>");
-    }
-
-    public void testDomParserAttribute() throws Throwable {
-        runDomParserTest("<div style=\"width:50px; height:100px\" id=\"f\" class=\"sdf\"></div>");
-    }
-
-    public void testDomParserSimplePage() throws Throwable {
-        String simpleHtml =
-                "<div id=\"a\" class=\"foo\">foo<a href=\"x.com/#1\">x.com</a>bar</div>" +
-                "<div>baz</div>";
-        runDomParserTest(simpleHtml);
-    }
-}