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java-decompiler: bulk decompilation test added

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This commit is contained in:
Roman Shevchenko
2014-09-07 16:13:52 +04:00
parent ff382a6fdf
commit 7a8097321f
9 changed files with 216 additions and 50 deletions
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110
test/org/jetbrains/java/decompiler/BulkDecompilationTest.java Normal file
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@@ -0,0 +1,110 @@
/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.java.decompiler;
import org.hamcrest.Matchers;
import org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler;
import org.jetbrains.java.decompiler.util.InterpreterUtil;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.*;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
public class BulkDecompilationTest {
private DecompilerTestFixture fixture;
@Before
public void setUp() throws IOException {
fixture = new DecompilerTestFixture();
fixture.setUp();
}
@After
public void tearDown() {
fixture.tearDown();
fixture = null;
}
@Test
public void testDirectory() {
File classes = new File(fixture.getTempDir(), "classes");
unpack(new File(fixture.getTestDataDir(), "bulk.jar"), classes);
ConsoleDecompiler decompiler = fixture.getDecompiler();
decompiler.addSpace(classes, true);
decompiler.decompileContext();
compareDirectories(new File(fixture.getTestDataDir(), "bulk"), fixture.getTargetDir());
}
@Test
public void testJar() {
ConsoleDecompiler decompiler = fixture.getDecompiler();
decompiler.addSpace(new File(fixture.getTestDataDir(), "bulk.jar"), true);
decompiler.decompileContext();
File unpacked = new File(fixture.getTempDir(), "unpacked");
unpack(new File(fixture.getTargetDir(), "bulk.jar"), unpacked);
compareDirectories(new File(fixture.getTestDataDir(), "bulk"), unpacked);
}
private static void unpack(File archive, File targetDir) {
try {
ZipFile zip = new ZipFile(archive);
try {
Enumeration<? extends ZipEntry> entries = zip.entries();
while (entries.hasMoreElements()) {
ZipEntry entry = entries.nextElement();
if (!entry.isDirectory()) {
File file = new File(targetDir, entry.getName());
assertTrue(file.getParentFile().mkdirs() || file.getParentFile().isDirectory());
InputStream in = zip.getInputStream(entry);
OutputStream out = new FileOutputStream(file);
InterpreterUtil.copyStream(in, out);
out.close();
in.close();
}
}
}
finally {
zip.close();
}
}
catch (IOException e) {
throw new RuntimeException(e);
}
}
private static void compareDirectories(File expected, File actual) {
String[] expectedList = expected.list();
String[] actualList = actual.list();
assertThat(actualList, Matchers.arrayContainingInAnyOrder(expectedList));
for (String name : expectedList) {
File child = new File(expected, name);
if (child.isDirectory()) {
compareDirectories(child, new File(actual, name));
}
}
}
}

86
test/org/jetbrains/java/decompiler/DecompilerTestFixture.java Normal file
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@@ -0,0 +1,86 @@
/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.java.decompiler;
import org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler;
import org.jetbrains.java.decompiler.main.extern.IFernflowerPreferences;
import java.io.*;
import java.util.HashMap;
import static org.junit.Assert.assertTrue;
public class DecompilerTestFixture {
private File testDataDir;
private File tempDir;
private File targetDir;
private ConsoleDecompiler decompiler;
public void setUp() throws IOException {
testDataDir = new File("testData");
if (!isTestDataDir(testDataDir)) testDataDir = new File("community/plugins/java-decompiler/engine/testData");
if (!isTestDataDir(testDataDir)) testDataDir = new File("plugins/java-decompiler/engine/testData");
assertTrue(isTestDataDir(testDataDir));
//noinspection SSBasedInspection
tempDir = File.createTempFile("decompiler_test_", "_dir");
assertTrue(tempDir.delete());
targetDir = new File(tempDir, "decompiled");
assertTrue(targetDir.mkdirs());
decompiler = new ConsoleDecompiler(this.targetDir, new HashMap<String, Object>() {{
put(IFernflowerPreferences.LOG_LEVEL, "warn");
put(IFernflowerPreferences.DECOMPILE_GENERIC_SIGNATURES, "1");
put(IFernflowerPreferences.REMOVE_SYNTHETIC, "1");
put(IFernflowerPreferences.REMOVE_BRIDGE, "1");
put(IFernflowerPreferences.LITERALS_AS_IS, "1");
}});
}
public void tearDown() {
delete(tempDir);
}
public File getTestDataDir() {
return testDataDir;
}
public File getTempDir() {
return tempDir;
}
public File getTargetDir() {
return targetDir;
}
public ConsoleDecompiler getDecompiler() {
return decompiler;
}
private static boolean isTestDataDir(File dir) {
return dir.isDirectory() && new File(dir, "classes").isDirectory() && new File(dir, "results").isDirectory();
}
private static void delete(File file) {
if (file.isDirectory()) {
File[] files = file.listFiles();
if (files != null) {
for (File f : files) delete(f);
}
}
assertTrue(file.delete());
}
}

54
test/org/jetbrains/java/decompiler/SingleClassesTest.java
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@@ -16,49 +16,28 @@
package org.jetbrains.java.decompiler;
import org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler;
import org.jetbrains.java.decompiler.main.extern.IFernflowerPreferences;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.*;
import java.util.HashMap;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class SingleClassesTest {
private File testDataDir;
private File tempDir;
private ConsoleDecompiler decompiler;
private DecompilerTestFixture fixture;
@Before
public void setUp() throws IOException {
testDataDir = new File("testData");
if (!isTestDataDir(testDataDir)) testDataDir = new File("community/plugins/java-decompiler/engine/testData");
if (!isTestDataDir(testDataDir)) testDataDir = new File("plugins/java-decompiler/engine/testData");
assertTrue(isTestDataDir(testDataDir));
//noinspection SSBasedInspection
tempDir = File.createTempFile("decompiler_test_", "_dir");
assertTrue(tempDir.delete());
assertTrue(tempDir.mkdirs());
decompiler = new ConsoleDecompiler(tempDir, new HashMap<String, Object>() {{
put(IFernflowerPreferences.LOG_LEVEL, "warn");
put(IFernflowerPreferences.DECOMPILE_GENERIC_SIGNATURES, "1");
put(IFernflowerPreferences.REMOVE_SYNTHETIC, "1");
put(IFernflowerPreferences.REMOVE_BRIDGE, "1");
put(IFernflowerPreferences.LITERALS_AS_IS, "1");
}});
fixture = new DecompilerTestFixture();
fixture.setUp();
}
@After
public void tearDown() {
decompiler = null;
delete(tempDir);
tempDir = null;
testDataDir = null;
fixture.tearDown();
fixture = null;
}
@Test public void testClassFields() { doTest("TestClassFields"); }
@@ -77,9 +56,10 @@ public class SingleClassesTest {
private void doTest(final String testName) {
try {
File classFile = new File(testDataDir, "/classes/pkg/" + testName + ".class");
File classFile = new File(fixture.getTestDataDir(), "/classes/pkg/" + testName + ".class");
assertTrue(classFile.isFile());
ConsoleDecompiler decompiler = fixture.getDecompiler();
decompiler.addSpace(classFile, true);
File[] innerClasses = classFile.getParentFile().listFiles(new FilenameFilter() {
@Override
@@ -93,10 +73,10 @@ public class SingleClassesTest {
decompiler.decompileContext();
File decompiledFile = new File(tempDir, testName + ".java");
File decompiledFile = new File(fixture.getTargetDir(), testName + ".java");
assertTrue(decompiledFile.isFile());
File referenceFile = new File(testDataDir, "results/" + testName + ".dec");
File referenceFile = new File(fixture.getTestDataDir(), "results/" + testName + ".dec");
assertTrue(referenceFile.isFile());
String decompiledContent = getContent(decompiledFile);
@@ -108,10 +88,6 @@ public class SingleClassesTest {
}
}
private static boolean isTestDataDir(File dir) {
return dir.isDirectory() && new File(dir, "classes").isDirectory() && new File(dir, "results").isDirectory();
}
private static String getContent(File file) throws IOException {
Reader reader = new InputStreamReader(new FileInputStream(file), "UTF-8");
try {
@@ -127,16 +103,4 @@ public class SingleClassesTest {
reader.close();
}
}
private static void delete(File file) {
if (file.isDirectory()) {
File[] files = file.listFiles();
if (files != null) {
for (File f : files) delete(f);
}
}
else {
assertTrue(file.delete());
}
}
}