Fork of the Fernflower decompiler
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
fernflower/test/org/jetbrains/java/decompiler/DecompilerTestFixture.java

127 lines
4.2 KiB

/*
* Copyright 2000-2016 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.main.extern.IFernflowerPreferences;
import org.jetbrains.java.decompiler.util.InterpreterUtil;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
public class DecompilerTestFixture {
private File testDataDir;
private File tempDir;
private File targetDir;
private ConsoleDecompiler decompiler;
public void setUp(String... optionPairs) throws IOException {
assertEquals(0, optionPairs.length % 2);
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");
if (!isTestDataDir(testDataDir)) testDataDir = new File("../community/plugins/java-decompiler/engine/testData");
if (!isTestDataDir(testDataDir)) testDataDir = new File("../plugins/java-decompiler/engine/testData");
assertTrue("current dir: " + new File("").getAbsolutePath(), isTestDataDir(testDataDir));
testDataDir = testDataDir.getAbsoluteFile();
//noinspection SSBasedInspection
tempDir = File.createTempFile("decompiler_test_", "_dir");
assertTrue(tempDir.delete());
targetDir = new File(tempDir, "decompiled");
assertTrue(targetDir.mkdirs());
Map<String, Object> options = new HashMap<String, Object>();
options.put(IFernflowerPreferences.LOG_LEVEL, "warn");
options.put(IFernflowerPreferences.DECOMPILE_GENERIC_SIGNATURES, "1");
options.put(IFernflowerPreferences.REMOVE_SYNTHETIC, "1");
options.put(IFernflowerPreferences.REMOVE_BRIDGE, "1");
options.put(IFernflowerPreferences.LITERALS_AS_IS, "1");
options.put(IFernflowerPreferences.UNIT_TEST_MODE, "1");
for (int i = 0; i < optionPairs.length; i += 2) {
options.put(optionPairs[i], optionPairs[i + 1]);
}
decompiler = new ConsoleDecompiler(targetDir, options);
}
public void tearDown() {
if (tempDir != null) {
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());
}
public static void assertFilesEqual(File expected, File actual) {
if (expected.isDirectory()) {
String[] children = Objects.requireNonNull(expected.list());
assertThat(actual.list(), Matchers.arrayContainingInAnyOrder(children));
for (String name : children) {
assertFilesEqual(new File(expected, name), new File(actual, name));
}
}
else {
assertEquals(getContent(expected), getContent(actual));
}
}
private static String getContent(File expected) {
try {
return new String(InterpreterUtil.getBytes(expected), "UTF-8").replace("\r\n", "\n");
}
catch (IOException e) {
throw new RuntimeException(e);
}
}
}