| /******************************************************************************* |
| * Copyright (c) 2009, 2018 Mountainminds GmbH & Co. KG and Contributors |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Marc R. Hoffmann - initial API and implementation |
| * |
| *******************************************************************************/ |
| package org.jacoco.core.analysis; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.InputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.jar.JarInputStream; |
| import java.util.jar.Pack200; |
| import java.util.zip.GZIPOutputStream; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipOutputStream; |
| |
| import org.jacoco.core.data.ExecutionDataStore; |
| import org.jacoco.core.internal.data.CRC64; |
| import org.jacoco.core.test.TargetLoader; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| |
| /** |
| * Unit tests for {@link Analyzer}. |
| */ |
| public class AnalyzerTest { |
| |
| @Rule |
| public TemporaryFolder folder = new TemporaryFolder(); |
| |
| private Analyzer analyzer; |
| |
| private Map<String, IClassCoverage> classes; |
| |
| private ExecutionDataStore executionData; |
| |
| private class EmptyStructureVisitor implements ICoverageVisitor { |
| |
| public void visitCoverage(IClassCoverage coverage) { |
| final String name = coverage.getName(); |
| assertNull("Class already processed: " + name, |
| classes.put(name, coverage)); |
| } |
| } |
| |
| @Before |
| public void setup() { |
| classes = new HashMap<String, IClassCoverage>(); |
| executionData = new ExecutionDataStore(); |
| analyzer = new Analyzer(executionData, new EmptyStructureVisitor()); |
| } |
| |
| @Test |
| public void testAnalyzeClassFromStream() throws IOException { |
| analyzer.analyzeClass(TargetLoader.getClassData(AnalyzerTest.class), |
| "Test"); |
| assertClasses("org/jacoco/core/analysis/AnalyzerTest"); |
| } |
| |
| @Test |
| public void testAnalyzeClassFromByteArray() throws IOException { |
| analyzer.analyzeClass( |
| TargetLoader.getClassDataAsBytes(AnalyzerTest.class), "Test"); |
| assertClasses("org/jacoco/core/analysis/AnalyzerTest"); |
| assertFalse(classes.get("org/jacoco/core/analysis/AnalyzerTest") |
| .isNoMatch()); |
| } |
| |
| @Test |
| public void testAnalyzeClassIdMatch() throws IOException { |
| // class IDs are always calculated after downgrade of the version |
| final byte[] bytes = TargetLoader |
| .getClassDataAsBytes(AnalyzerTest.class); |
| executionData.get(Long.valueOf(CRC64.classId(bytes)), |
| "org/jacoco/core/analysis/AnalyzerTest", 200); |
| analyzer.analyzeClass(bytes, "Test"); |
| assertFalse(classes.get("org/jacoco/core/analysis/AnalyzerTest") |
| .isNoMatch()); |
| } |
| |
| @Test |
| public void testAnalyzeClassNoIdMatch() throws IOException { |
| executionData.get(Long.valueOf(0), |
| "org/jacoco/core/analysis/AnalyzerTest", 200); |
| analyzer.analyzeClass( |
| TargetLoader.getClassDataAsBytes(AnalyzerTest.class), "Test"); |
| assertTrue(classes.get("org/jacoco/core/analysis/AnalyzerTest") |
| .isNoMatch()); |
| } |
| |
| @Test |
| public void testAnalyzeClass_Broken() throws IOException { |
| final byte[] brokenclass = TargetLoader |
| .getClassDataAsBytes(AnalyzerTest.class); |
| brokenclass[10] = 0x23; |
| try { |
| analyzer.analyzeClass(brokenclass, "Broken.class"); |
| fail("expected exception"); |
| } catch (IOException e) { |
| assertEquals("Error while analyzing Broken.class.", e.getMessage()); |
| } |
| } |
| |
| private static class BrokenInputStream extends InputStream { |
| @Override |
| public int read() throws IOException { |
| throw new IOException(); |
| } |
| } |
| |
| /** |
| * Triggers exception in |
| * {@link Analyzer#analyzeClass(InputStream, String)}. |
| */ |
| @Test |
| public void testAnalyzeClass_BrokenStream() throws IOException { |
| try { |
| analyzer.analyzeClass(new BrokenInputStream(), "BrokenStream"); |
| fail("exception expected"); |
| } catch (IOException e) { |
| assertEquals("Error while analyzing BrokenStream.", e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void testAnalyzeAll_Class() throws IOException { |
| final int count = analyzer.analyzeAll( |
| TargetLoader.getClassData(AnalyzerTest.class), "Test"); |
| assertEquals(1, count); |
| assertClasses("org/jacoco/core/analysis/AnalyzerTest"); |
| } |
| |
| @Test |
| public void testAnalyzeAll_Zip() throws IOException { |
| final ByteArrayOutputStream buffer = new ByteArrayOutputStream(); |
| final ZipOutputStream zip = new ZipOutputStream(buffer); |
| zip.putNextEntry(new ZipEntry( |
| "org/jacoco/core/analysis/AnalyzerTest.class")); |
| zip.write(TargetLoader.getClassDataAsBytes(AnalyzerTest.class)); |
| zip.finish(); |
| final int count = analyzer.analyzeAll( |
| new ByteArrayInputStream(buffer.toByteArray()), "Test"); |
| assertEquals(1, count); |
| assertClasses("org/jacoco/core/analysis/AnalyzerTest"); |
| } |
| |
| @Test |
| public void testAnalyzeAll_EmptyZipEntry() throws IOException { |
| final ByteArrayOutputStream buffer = new ByteArrayOutputStream(); |
| final ZipOutputStream zip = new ZipOutputStream(buffer); |
| zip.putNextEntry(new ZipEntry("empty.txt")); |
| zip.finish(); |
| final int count = analyzer.analyzeAll( |
| new ByteArrayInputStream(buffer.toByteArray()), "Test"); |
| assertEquals(0, count); |
| } |
| |
| /** |
| * Triggers exception in |
| * {@link Analyzer#analyzeAll(java.io.InputStream, String)}. |
| */ |
| @Test |
| public void testAnalyzeAll_Broken() throws IOException { |
| try { |
| analyzer.analyzeAll(new BrokenInputStream(), "Test"); |
| fail("expected exception"); |
| } catch (IOException e) { |
| assertEquals("Error while analyzing Test.", e.getMessage()); |
| } |
| } |
| |
| /** |
| * Triggers exception in |
| * {@link Analyzer#analyzeGzip(java.io.InputStream, String)}. |
| */ |
| @Test |
| public void testAnalyzeAll_BrokenGZ() { |
| final byte[] buffer = new byte[] { 0x1f, (byte) 0x8b, 0x00, 0x00 }; |
| try { |
| analyzer.analyzeAll(new ByteArrayInputStream(buffer), "Test.gz"); |
| fail("expected exception"); |
| } catch (IOException e) { |
| assertEquals("Error while analyzing Test.gz.", e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void testAnalyzeAll_Pack200() throws IOException { |
| final ByteArrayOutputStream zipbuffer = new ByteArrayOutputStream(); |
| final ZipOutputStream zip = new ZipOutputStream(zipbuffer); |
| zip.putNextEntry(new ZipEntry( |
| "org/jacoco/core/analysis/AnalyzerTest.class")); |
| zip.write(TargetLoader.getClassDataAsBytes(AnalyzerTest.class)); |
| zip.finish(); |
| |
| final ByteArrayOutputStream pack200buffer = new ByteArrayOutputStream(); |
| GZIPOutputStream gzipOutput = new GZIPOutputStream(pack200buffer); |
| Pack200.newPacker().pack( |
| new JarInputStream(new ByteArrayInputStream( |
| zipbuffer.toByteArray())), gzipOutput); |
| gzipOutput.finish(); |
| |
| final int count = analyzer.analyzeAll(new ByteArrayInputStream( |
| pack200buffer.toByteArray()), "Test"); |
| assertEquals(1, count); |
| assertClasses("org/jacoco/core/analysis/AnalyzerTest"); |
| } |
| |
| /** |
| * Triggers exception in |
| * {@link Analyzer#analyzePack200(java.io.InputStream, String)}. |
| */ |
| @Test |
| public void testAnalyzeAll_BrokenPack200() { |
| final byte[] buffer = new byte[] { (byte) 0xca, (byte) 0xfe, |
| (byte) 0xd0, 0x0d }; |
| try { |
| analyzer.analyzeAll(new ByteArrayInputStream(buffer), |
| "Test.pack200"); |
| fail("expected exception"); |
| } catch (IOException e) { |
| assertEquals("Error while analyzing Test.pack200.", e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void testAnalyzeAll_Empty() throws IOException { |
| final int count = analyzer.analyzeAll(new ByteArrayInputStream( |
| new byte[0]), "Test"); |
| assertEquals(0, count); |
| assertEquals(Collections.emptyMap(), classes); |
| } |
| |
| @Test |
| public void testAnalyzeAll_Folder() throws IOException { |
| createClassfile("bin1", AnalyzerTest.class); |
| final int count = analyzer.analyzeAll(folder.getRoot()); |
| assertEquals(1, count); |
| assertClasses("org/jacoco/core/analysis/AnalyzerTest"); |
| } |
| |
| @Test |
| public void testAnalyzeAll_Path() throws IOException { |
| createClassfile("bin1", Analyzer.class); |
| createClassfile("bin2", AnalyzerTest.class); |
| String path = "bin1" + File.pathSeparator + "bin2"; |
| final int count = analyzer.analyzeAll(path, folder.getRoot()); |
| assertEquals(2, count); |
| assertClasses("org/jacoco/core/analysis/Analyzer", |
| "org/jacoco/core/analysis/AnalyzerTest"); |
| } |
| |
| /** |
| * Triggers exception in |
| * {@link Analyzer#nextEntry(java.util.zip.ZipInputStream, String)}. |
| */ |
| @Test |
| public void testAnalyzeAll_BrokenZip() { |
| final byte[] buffer = new byte[30]; |
| buffer[0] = 0x50; |
| buffer[1] = 0x4b; |
| buffer[2] = 0x03; |
| buffer[3] = 0x04; |
| Arrays.fill(buffer, 4, buffer.length, (byte) 0x42); |
| try { |
| analyzer.analyzeAll(new ByteArrayInputStream(buffer), "Test.zip"); |
| fail("expected exception"); |
| } catch (IOException e) { |
| assertEquals("Error while analyzing Test.zip.", e.getMessage()); |
| } |
| } |
| |
| /** |
| * With JDK 5 triggers exception in |
| * {@link Analyzer#nextEntry(ZipInputStream, String)}, |
| * i.e. message will contain only "broken.zip". |
| * |
| * With JDK > 5 triggers exception in |
| * {@link Analyzer#analyzeAll(java.io.InputStream, String)}, |
| * i.e. message will contain only "broken.zip@brokenentry.txt". |
| */ |
| @Test |
| public void testAnalyzeAll_BrokenZipEntry() throws IOException { |
| File file = new File(folder.getRoot(), "broken.zip"); |
| OutputStream out = new FileOutputStream(file); |
| ZipOutputStream zip = new ZipOutputStream(out); |
| zip.putNextEntry(new ZipEntry("brokenentry.txt")); |
| out.write(0x23); // Unexpected data here |
| zip.close(); |
| try { |
| analyzer.analyzeAll(file); |
| fail("expected exception"); |
| } catch (IOException e) { |
| assertTrue(e.getMessage().startsWith("Error while analyzing")); |
| assertTrue(e.getMessage().contains("broken.zip")); |
| } |
| } |
| |
| /** |
| * Triggers exception in |
| * {@link Analyzer#analyzeClass(java.io.InputStream, String)}. |
| */ |
| @Test |
| public void testAnalyzeAll_BrokenClassFileInZip() throws IOException { |
| final ByteArrayOutputStream buffer = new ByteArrayOutputStream(); |
| final ZipOutputStream zip = new ZipOutputStream(buffer); |
| zip.putNextEntry(new ZipEntry( |
| "org/jacoco/core/analysis/AnalyzerTest.class")); |
| final byte[] brokenclass = TargetLoader |
| .getClassDataAsBytes(AnalyzerTest.class); |
| brokenclass[10] = 0x23; |
| zip.write(brokenclass); |
| zip.finish(); |
| |
| try { |
| analyzer.analyzeAll(new ByteArrayInputStream(buffer.toByteArray()), |
| "test.zip"); |
| fail("expected exception"); |
| } catch (IOException e) { |
| assertEquals( |
| "Error while analyzing test.zip@org/jacoco/core/analysis/AnalyzerTest.class.", |
| e.getMessage()); |
| } |
| } |
| |
| private void createClassfile(final String dir, final Class<?> source) |
| throws IOException { |
| File file = new File(folder.getRoot(), dir); |
| file.mkdirs(); |
| file = new File(file, "some.class"); |
| OutputStream out = new FileOutputStream(file); |
| out.write(TargetLoader.getClassDataAsBytes(source)); |
| out.close(); |
| } |
| |
| private void assertClasses(String... classNames) { |
| assertEquals(new HashSet<String>(Arrays.asList(classNames)), |
| classes.keySet()); |
| } |
| |
| } |