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RemappingTest.java
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RemappingTest.java
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package me.coley.recaf;
import com.google.common.collect.MapDifference;
import com.google.common.collect.Maps;
import me.coley.recaf.mapping.*;
import me.coley.recaf.workspace.*;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.tree.ClassNode;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Map;
import static org.junit.jupiter.api.Assertions.*;
import static org.objectweb.asm.ClassReader.*;
/**
* Remapping tests.
*
* @author Matt
*/
public class RemappingTest extends Base {
private JavaResource resource;
private Workspace workspace;
private Path classMapFile;
private Path methodMapFile;
private Path methodEnigmaMapFile;
private Path methodTSrgMapFile;
private Path methodTiny1MapFile;
private Path methodTiny2MapFile;
private Path methodProguardMapFile;
private Path methodJadxMapFile;
@BeforeEach
public void setup() {
try {
resource = new JarResource(getClasspathFile("inherit.jar"));
workspace = new Workspace(resource);
classMapFile = getClasspathFile("inherit-class-map.txt");
/*
test/Jedi -> rename/GoodGuy
test/Sith -> rename/BadGuy
test/Greetings -> rename/Hello
*/
methodMapFile = getClasspathFile("inherit-method-map.txt");
methodEnigmaMapFile = getClasspathFile("inherit-method-map-enigma.txt");
methodProguardMapFile = getClasspathFile("inherit-method-map-proguard.txt");
methodTSrgMapFile = getClasspathFile("inherit-method-map-tsrg.txt");
methodTiny1MapFile = getClasspathFile("inherit-method-map-tiny-1.txt");
methodTiny2MapFile = getClasspathFile("inherit-method-map-tiny-2.txt");
methodJadxMapFile = getClasspathFile("inherit-method-map-jadx.txt");
/*
test/Greetings -> rename/Hello
test/Greetings.say()V -> rename/Hello.speak()
*/
} catch(IOException ex) {
fail(ex);
}
}
@Test
public void testRenamedClasses() {
try {
Mappings mappings = MappingImpl.SIMPLE.create(classMapFile, workspace);
mappings.accept(resource).forEach((old, value) -> {
ClassReader reader = new ClassReader(value);
String rename = reader.getClassName();
String renameSuper = reader.getSuperName();
switch(old) {
case "test/Jedi":
assertEquals("rename/GoodGuy", rename);
assertEquals("test/Person", renameSuper);
break;
case "test/Sith":
assertEquals("rename/BadGuy", rename);
assertEquals("test/Person", renameSuper);
break;
case "test/Greetings":
assertEquals("rename/Hello", rename);
break;
case "test/Yoda":
// Class not explicitly renamed, but has renamed references
assertEquals("test/Yoda", rename);
assertEquals("rename/GoodGuy", renameSuper);
break;
case "test/Person":
// Class not explicitly renamed, but has renamed references
String[] interfaces = reader.getInterfaces();
assertEquals(1, interfaces.length);
assertEquals("rename/Hello", interfaces[0]);
assertEquals("test/Person", rename);
break;
default:
// No other values should have been updated
fail("No other values should have been updated by renaming: " + old +
" -> " + rename);
}
});
} catch(IOException ex) {
fail(ex);
}
}
@Test
public void testRenamedMethod() {
try {
Mappings mappings = MappingImpl.SIMPLE.create(methodMapFile, workspace);
mappings.accept(resource).forEach((old, value) -> {
ClassReader reader = new ClassReader(value);
ClassNode node = new ClassNode();
reader.accept(node, SKIP_DEBUG | SKIP_CODE);
String rename = reader.getClassName();
switch(old) {
case "test/Jedi":
case "test/Sith":
case "test/Yoda":
// Method should be renamed from "say" to "speak"
assertEquals("speak", node.methods.get(1).name);
break;
case "test/Greetings":
// Class was renamed
assertEquals("rename/Hello", rename);
// Method should be renamed from "say" to "speak"
assertEquals("speak", node.methods.get(0).name);
break;
case "test/Person":
// Class not explicitly renamed, but has renamed references
String[] interfaces = reader.getInterfaces();
assertEquals(1, interfaces.length);
assertEquals("rename/Hello", interfaces[0]);
assertEquals("test/Person", rename);
break;
default:
// No other values should have been updated
fail("No other values should have been updated by renaming: " + old +
" -> " + rename);
}
});
} catch(IOException ex) {
fail(ex);
}
}
@Test
public void testResourceKeys() {
try {
Map<String, byte[]> classes = resource.getClasses();
// Before
assertFalse(classes.containsKey("rename/GoodGuy"));
assertFalse(classes.containsKey("rename/BadGuy"));
assertFalse(classes.containsKey("rename/Hello"));
assertTrue(classes.containsKey("test/Jedi"));
assertTrue(classes.containsKey("test/Sith"));
assertTrue(classes.containsKey("test/Greetings"));
// After
Mappings mappings = MappingImpl.SIMPLE.create(classMapFile, workspace);
mappings.accept(resource);
assertTrue(classes.containsKey("rename/GoodGuy"));
assertTrue(classes.containsKey("rename/BadGuy"));
assertTrue(classes.containsKey("rename/Hello"));
assertFalse(classes.containsKey("test/Jedi"));
assertFalse(classes.containsKey("test/Sith"));
assertFalse(classes.containsKey("test/Greetings"));
} catch(IOException ex) {
fail(ex);
}
}
@Test
public void testEngimaMappings() {
testSame(MappingImpl.ENIGMA, methodEnigmaMapFile);
}
@Test
public void testTSrgMappings() { testSame(MappingImpl.TSRG, methodTSrgMapFile); }
@Test
public void testTinyV1Mappings() {
testSame(MappingImpl.TINY, methodTiny1MapFile);
}
@Test
public void testTinyV2Mappings() {
testSame(MappingImpl.TINY2, methodTiny2MapFile);
}
@Test
public void testProguardMappings() {
testSame(MappingImpl.PROGUARD, methodProguardMapFile);
}
@Test
public void testJadxMappings() {
// Unlike the other mappings, JADX is not capable of moving to other packages
try {
Mappings mappingsImpl = MappingImpl.JADX.create(methodJadxMapFile, workspace);
Map<String, String> map = mappingsImpl.getMappings();
assertEquals("test/Hello", map.get("test/Greetings"));
assertEquals("speak", map.get("test/Greetings.say()V"));
} catch (IOException ex) {
fail(ex);
}
}
private void testSame(MappingImpl toCompare, Path mapping) {
try {
// Both of these files outline the same data, just in different formats
Mappings mappingsSimple = MappingImpl.SIMPLE.create(methodMapFile, workspace);
Mappings mappingsToCompare = toCompare.create(mapping, workspace);
// So their parsed values should be the same.
MapDifference<String, String> difference =
Maps.difference(mappingsSimple.getMappings(), mappingsToCompare.getMappings());
assertTrue(difference.areEqual());
} catch(IOException ex) {
fail(ex);
}
}
}