1 /******************************************************************************* 2 * Copyright (c) 2009, 2017 Mountainminds GmbH & Co. KG and Contributors 3 * All rights reserved. This program and the accompanying materials 4 * are made available under the terms of the Eclipse Public License v1.0 5 * which accompanies this distribution, and is available at 6 * http://www.eclipse.org/legal/epl-v10.html 7 * 8 * Contributors: 9 * Marc R. Hoffmann - initial API and implementation 10 * 11 *******************************************************************************/ 12 package org.jacoco.report.internal.html.page; 13 14 import static org.junit.Assert.assertEquals; 15 16 import java.io.StringReader; 17 import java.io.StringWriter; 18 import java.util.Locale; 19 20 import org.jacoco.core.analysis.ICoverageNode.ElementType; 21 import org.jacoco.core.internal.analysis.CounterImpl; 22 import org.jacoco.core.internal.analysis.SourceNodeImpl; 23 import org.jacoco.report.internal.html.HTMLDocument; 24 import org.jacoco.report.internal.html.HTMLElement; 25 import org.jacoco.report.internal.html.HTMLSupport; 26 import org.jacoco.report.internal.html.resources.Styles; 27 import org.junit.Before; 28 import org.junit.Test; 29 import org.w3c.dom.Document; 30 31 /** 32 * Unit tests for {@link SourceHighlighter}. 33 */ 34 public class SourceHighlighterTest { 35 36 private HTMLSupport htmlSupport; 37 38 private StringWriter buffer; 39 40 private HTMLDocument html; 41 42 private HTMLElement parent; 43 44 private SourceHighlighter sourceHighlighter; 45 46 private SourceNodeImpl source; 47 48 @Before 49 public void setup() throws Exception { 50 htmlSupport = new HTMLSupport(); 51 source = new SourceNodeImpl(ElementType.SOURCEFILE, "Foo.java"); 52 buffer = new StringWriter(); 53 html = new HTMLDocument(buffer, "UTF-8"); 54 html.head().title(); 55 parent = html.body(); 56 sourceHighlighter = new SourceHighlighter(Locale.US); 57 } 58 59 @Test 60 public void testDefaultTabWidth() throws Exception { 61 final String src = "\tA"; 62 sourceHighlighter.render(parent, source, new StringReader(src)); 63 html.close(); 64 final Document doc = htmlSupport.parse(buffer.toString()); 65 66 // Assert that we no longer replace tabs with spaces 67 assertEquals("\tA\n", htmlSupport.findStr(doc, "//pre/text()")); 68 } 69 70 @Test 71 public void testDefaultLanguage() throws Exception { 72 sourceHighlighter.render(parent, source, new StringReader("")); 73 html.close(); 74 final Document doc = htmlSupport.parse(buffer.toString()); 75 assertEquals("source lang-java linenums", 76 htmlSupport.findStr(doc, "//pre/@class")); 77 } 78 79 @Test 80 public void testSetLanguage() throws Exception { 81 sourceHighlighter.setLanguage("scala"); 82 sourceHighlighter.render(parent, source, new StringReader("")); 83 html.close(); 84 final Document doc = htmlSupport.parse(buffer.toString()); 85 assertEquals("source lang-scala linenums", 86 htmlSupport.findStr(doc, "//pre/@class")); 87 } 88 89 @Test 90 public void testHighlighting() throws Exception { 91 final String src = "A\nB\nC\nD"; 92 source.increment(CounterImpl.COUNTER_1_0, CounterImpl.COUNTER_0_0, 1); 93 source.increment(CounterImpl.COUNTER_1_0, CounterImpl.COUNTER_0_0, 2); 94 source.increment(CounterImpl.COUNTER_0_1, CounterImpl.COUNTER_0_0, 2); 95 source.increment(CounterImpl.COUNTER_0_1, CounterImpl.COUNTER_0_0, 3); 96 sourceHighlighter.render(parent, source, new StringReader(src)); 97 html.close(); 98 final Document doc = htmlSupport.parse(buffer.toString()); 99 assertEquals(Styles.NOT_COVERED, 100 htmlSupport.findStr(doc, "//pre/span[text() = 'A']/@class")); 101 assertEquals(Styles.PARTLY_COVERED, 102 htmlSupport.findStr(doc, "//pre/span[text() = 'B']/@class")); 103 assertEquals(Styles.FULLY_COVERED, 104 htmlSupport.findStr(doc, "//pre/span[text() = 'C']/@class")); 105 assertEquals("", 106 htmlSupport.findStr(doc, "//pre/span[text() = 'D']/@class")); 107 } 108 109 @Test 110 public void testHighlightNone() throws Exception { 111 sourceHighlighter.highlight(parent, source.getLine(1), 1); 112 html.close(); 113 final Document doc = htmlSupport.parse(buffer.toString()); 114 assertEquals("", htmlSupport.findStr(doc, "//pre")); 115 } 116 117 @Test 118 public void testHighlightBranchesFC() throws Exception { 119 source.increment(CounterImpl.COUNTER_0_1, 120 CounterImpl.getInstance(0, 5), 1); 121 sourceHighlighter.highlight(parent.pre(null), source.getLine(1), 1); 122 html.close(); 123 final Document doc = htmlSupport.parse(buffer.toString()); 124 assertEquals("fc bfc", htmlSupport.findStr(doc, "//pre/span/@class")); 125 assertEquals("All 5 branches covered.", 126 htmlSupport.findStr(doc, "//pre/span/@title")); 127 } 128 129 @Test 130 public void testHighlightBranchesPC() throws Exception { 131 source.increment(CounterImpl.COUNTER_0_1, 132 CounterImpl.getInstance(2, 3), 1); 133 sourceHighlighter.highlight(parent.pre(null), source.getLine(1), 1); 134 html.close(); 135 final Document doc = htmlSupport.parse(buffer.toString()); 136 assertEquals("pc bpc", htmlSupport.findStr(doc, "//pre/span/@class")); 137 assertEquals("2 of 5 branches missed.", 138 htmlSupport.findStr(doc, "//pre/span/@title")); 139 } 140 141 @Test 142 public void testHighlightBranchesNC() throws Exception { 143 source.increment(CounterImpl.COUNTER_0_1, 144 CounterImpl.getInstance(5, 0), 1); 145 sourceHighlighter.highlight(parent.pre(null), source.getLine(1), 1); 146 html.close(); 147 final Document doc = htmlSupport.parse(buffer.toString()); 148 assertEquals("pc bnc", htmlSupport.findStr(doc, "//pre/span/@class")); 149 assertEquals("All 5 branches missed.", 150 htmlSupport.findStr(doc, "//pre/span/@title")); 151 } 152 153 } 154
