1 /*
   2  * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.javafx.css;
  27 
  28 import com.sun.javafx.css.parser.CSSParser;
  29 import java.util.Arrays;
  30 import java.util.Collection;
  31 import java.util.List;
  32 import javafx.scene.paint.Color;
  33 import org.junit.Test;
  34 import static org.junit.Assert.*;
  35 
  36 import org.junit.runner.RunWith;
  37 import org.junit.runners.Parameterized;
  38 import org.junit.runners.Parameterized.Parameters;
  39 
  40 @RunWith(Parameterized.class)
  41 public class SelectorPartitioningTest {
  42     
  43     public SelectorPartitioningTest(final Data data) {
  44         this.data = data;
  45         this.instance = new SelectorPartitioning();
  46     }
  47     private final Data data;
  48     private final SelectorPartitioning instance;
  49 
  50     private static class Data {
  51         final Color  color;
  52         final String stylesheetText;
  53         
  54         Data(Color color, String stylesheetText) {
  55             this.color = color;
  56             this.stylesheetText = stylesheetText;
  57         }
  58         
  59     }
  60     
  61     private static class SimpleData extends Data {
  62         
  63         final SimpleSelector selector;
  64         final boolean matches;
  65         
  66         SimpleData(String type, String styleClass, String id, Color color) {
  67             this(type, styleClass, id, color, true);
  68         }
  69         SimpleData(String type, String styleClass, String id, Color color, boolean matches) {
  70             super(color, (new StringBuilder()
  71                     .append((type != null ? type : "*"))
  72                     .append((styleClass != null ? ".".concat(styleClass) : ""))
  73                     .append((id != null ? "#".concat(id) : ""))
  74                     .append("{-fx-fill: rgb(")
  75                     .append(Double.valueOf(color.getRed()*255).intValue()).append(",")
  76                     .append(Double.valueOf(color.getGreen()*255).intValue()).append(",")
  77                     .append(Double.valueOf(color.getBlue()*255).intValue()).append(");}")
  78                 ).toString());
  79             List<String> styleClasses = 
  80                 styleClass != null ? Arrays.asList(styleClass.split("\\.")) : null;
  81             this.selector = 
  82                 new SimpleSelector(type, styleClasses, null, id);            
  83             this.matches = matches;
  84         }
  85     }
  86     
  87     private static class ComplexData extends Data {
  88 
  89         final SimpleData[] data;
  90         final SimpleSelector selector;
  91         final int matches;
  92         
  93         ComplexData(SimpleSelector selector, SimpleData... data) {
  94             super(Color.TRANSPARENT, combineStylesheets(data));
  95             this.data = data;
  96             this.selector = selector;
  97             int n = 0;
  98             for (SimpleData datum : data) {
  99                 if (datum.matches) n += 1;
 100             }
 101             this.matches = n;
 102         }
 103         
 104         static String combineStylesheets(Data... data) {
 105             StringBuilder buf = new StringBuilder();
 106             for (Data datum : data) {
 107                 buf.append(datum.stylesheetText).append('\n');
 108             }
 109             return buf.toString();
 110         }
 111     }
 112     
 113     
 114     @Parameters
 115     public static Collection data() {
 116 
 117         int red = 0;
 118         int green = 0;
 119         int blue = 0;
 120         return Arrays.asList(new Object[] {
 121             /* selector = * */
 122             new Object[] {new SimpleData("*", null, null, Color.rgb(red += 10, 0, 0))},
 123             /* selector = A */
 124             new Object[] {new SimpleData("A", null, null, Color.rgb(red += 10, 0, 0))},
 125             /* selector = * A.b */
 126             new Object[] {new SimpleData("A", "b", null, Color.rgb(red += 10, 0, 0))},
 127             /* selector = A#c */
 128             new Object[] {new SimpleData("A", null, "c", Color.rgb(red += 10, 0, 0))},
 129             /* selector = A.b#c */
 130             new Object[] {new SimpleData("A", "b", "c", Color.rgb(red += 10, 0, 0))},
 131             /* selector = *.b */
 132             new Object[] {new SimpleData("*", "b", null, Color.rgb(red += 10, 0, 0))},
 133             /* selector = *#c */
 134             new Object[] {new SimpleData("*", null, "c", Color.rgb(red += 10, 0, 0))},
 135             /* selector = *.b#c */
 136             new Object[] {new SimpleData("*", "b", "c", Color.rgb(red += 10, 0, 0))},
 137             
 138             new Object[] {
 139                 new ComplexData(
 140                     (SimpleSelector)Selector.createSelector("*.b"),
 141                     new SimpleData("*", "b", null, Color.rgb(0, green += 10, 0), true),
 142                     new SimpleData("*", "c", null, Color.rgb(0, green += 10, 0), false),
 143                     new SimpleData("*", "b.c", null, Color.rgb(0, green += 10, 0), false)
 144                 )},
 145             new Object[] {
 146                 new ComplexData(
 147                     (SimpleSelector)Selector.createSelector("*.b.c"),
 148                     new SimpleData("*", "b", null, Color.rgb(0, green += 10, 0), true),
 149                     new SimpleData("*", "c", null, Color.rgb(0, green += 10, 0), true),
 150                     new SimpleData("*", "b.c", null, Color.rgb(0, green += 10, 0), true)
 151                 )},
 152             new Object[] {
 153                 new ComplexData(
 154                     (SimpleSelector)Selector.createSelector("A.b"),
 155                     new SimpleData("*", "b", null, Color.rgb(0, green += 10, 0), true),
 156                     new SimpleData("A", "b", null, Color.rgb(0, green += 10, 0), true),
 157                     new SimpleData("*", null, null, Color.rgb(0, green += 10, 0), true),
 158                     new SimpleData("*", "c", null, Color.rgb(0, green += 10, 0), false),
 159                     new SimpleData("*", "b.c", null, Color.rgb(0, green += 10, 0), false)
 160                 )},
 161             new Object[] {
 162                 new ComplexData(
 163                     (SimpleSelector)Selector.createSelector("A.c"),
 164                     new SimpleData("*", "b", null, Color.rgb(0, green += 10, 0), false),
 165                     new SimpleData("A", "b", null, Color.rgb(0, green += 10, 0), false),
 166                     new SimpleData("*", null, null, Color.rgb(0, green += 10, 0), true),
 167                     new SimpleData("*", "c", null, Color.rgb(0, green += 10, 0), true),
 168                     new SimpleData("*", "b.c", null, Color.rgb(0, green += 10, 0), false)
 169                 )},
 170             new Object[] {
 171                 new ComplexData(
 172                     (SimpleSelector)Selector.createSelector("A.b.c"),
 173                     new SimpleData("*", "b", null, Color.rgb(0, green += 10, 0), true),
 174                     new SimpleData("A", "b", null, Color.rgb(0, green += 10, 0), true),
 175                     new SimpleData("*", null, null, Color.rgb(0, green += 10, 0), true),
 176                     new SimpleData("*", "c", null, Color.rgb(0, green += 10, 0), true),
 177                     new SimpleData("*", "b.c", null, Color.rgb(0, green += 10, 0), true)
 178                 )}
 179         });
 180     }    
 181 
 182     @Test
 183     public void testSelectorPartitionAndMatch() {
 184 
 185         Stylesheet stylesheet = 
 186                 CSSParser.getInstance().parse(data.stylesheetText);
 187                 
 188         for (Rule rule : stylesheet.getRules()) {
 189             for (Selector selector : rule.getUnobservedSelectorList()) {
 190                 instance.partition(selector);
 191             }
 192         }
 193         
 194         if (data instanceof SimpleData) {
 195             testWithSimpleData((SimpleData)data, stylesheet);            
 196         } else {
 197             testWithComplexData((ComplexData)data, stylesheet);
 198         }
 199     }
 200     
 201     private void testWithSimpleData(SimpleData simpleData, Stylesheet stylesheet) {
 202                 
 203         SimpleSelector simple = simpleData.selector;
 204         
 205         List<Selector> matched = instance.match(simple.getId(), simple.getName(), simple.getStyleClassSet());
 206         
 207         assertEquals(1,matched.size());
 208         Selector selector = matched.get(0);
 209 
 210         Rule rule = selector.getRule();
 211 
 212         assertEquals(1,rule.getUnobservedDeclarationList().size());
 213         Declaration decl = rule.getUnobservedDeclarationList().get(0);
 214         
 215         assertEquals("-fx-fill", decl.property);
 216         
 217         Color color = (Color)decl.parsedValue.convert(null);
 218         
 219         assertEquals(simpleData.selector.toString(), data.color.getRed(), color.getRed(), 0.00001);
 220         assertEquals(simpleData.selector.toString(), data.color.getGreen(), color.getGreen(), 0.00001);
 221         assertEquals(simpleData.selector.toString(), data.color.getBlue(), color.getBlue(), 0.00001);
 222                 
 223     }
 224     
 225     private void testWithComplexData(ComplexData complexData, Stylesheet stylesheet) {
 226                 
 227         SimpleSelector simple = complexData.selector;
 228         
 229         List<Selector> matched = instance.match(simple.getId(), simple.getName(), simple.getStyleClassSet());
 230         assertEquals(complexData.matches, matched.size());
 231         
 232         for(Selector s1 : matched) {
 233             for (SimpleData datum : complexData.data) {
 234                 Selector s2 = datum.selector;
 235                 if (s1.equals(s2)) {
 236                     assertTrue(s1.toString() + " != " + s2.toString(), datum.matches);
 237                 }
 238             }
 239         }
 240 
 241     }
 242     
 243 }