test: add internal option to disable file save

jadx-core/src/main/java/jadx/api/JadxArgs.java

@@ -93,6 +93,11 @@ public class JadxArgs {
 
 	private UseKotlinMethodsForVarNames useKotlinMethodsForVarNames = UseKotlinMethodsForVarNames.APPLY;
 
+	/**
+	 * Don't save files (can be using for performance testing)
+	 */
+	private boolean skipFilesSave = false;
+
 	public JadxArgs() {
 		// use default options
 	}
@@ -447,6 +452,14 @@ public class JadxArgs {
 		this.useKotlinMethodsForVarNames = useKotlinMethodsForVarNames;
 	}
 
+	public boolean isSkipFilesSave() {
+		return skipFilesSave;
+	}
+
+	public void setSkipFilesSave(boolean skipFilesSave) {
+		this.skipFilesSave = skipFilesSave;
+	}
+
 	@Override
 	public String toString() {
 		return "JadxArgs{" + "inputFiles=" + inputFiles

jadx-core/src/main/java/jadx/api/JadxDecompiler.java

@@ -282,6 +282,9 @@ public final class JadxDecompiler implements Closeable {
 	}
 
 	private void appendResourcesSaveTasks(List<Runnable> tasks, File outDir) {
+		if (args.isSkipFilesSave()) {
+			return;
+		}
 		Set<String> inputFileNames = args.getInputFiles().stream().map(File::getAbsolutePath).collect(Collectors.toSet());
 		for (ResourceFile resourceFile : getResources()) {
 			if (resourceFile.getType() != ResourceType.ARSC

jadx-core/src/main/java/jadx/core/dex/visitors/SaveCode.java

@@ -34,6 +34,9 @@ public class SaveCode {
 		if (codeStr.isEmpty()) {
 			return;
 		}
+		if (cls.root().getArgs().isSkipFilesSave()) {
+			return;
+		}
 		String fileName = cls.getClassInfo().getAliasFullPath() + getFileExtension(cls);
 		save(codeStr, dir, fileName);
 	}

jadx-core/src/test/java/jadx/tests/external/BaseExternalTest.java

@@ -14,10 +14,10 @@ import jadx.api.ICodeWriter;
 import jadx.api.JadxArgs;
 import jadx.api.JadxDecompiler;
 import jadx.api.JadxInternalAccess;
-import jadx.api.JavaClass;
 import jadx.core.dex.nodes.ClassNode;
 import jadx.core.dex.nodes.MethodNode;
 import jadx.core.dex.nodes.RootNode;
+import jadx.core.utils.DebugChecks;
 import jadx.core.utils.exceptions.JadxRuntimeException;
 import jadx.tests.api.IntegrationTest;
 
@@ -35,9 +35,13 @@ public abstract class BaseExternalTest extends IntegrationTest {
 	}
 
 	protected JadxArgs prepare(File input) {
+		DebugChecks.checksEnabled = false;
 		JadxArgs args = new JadxArgs();
 		args.getInputFiles().add(input);
 		args.setOutDir(new File("../jadx-external-tests-tmp"));
+		args.setSkipFilesSave(true);
+		args.setSkipResources(true);
+		args.setShowInconsistentCode(true);
 		return args;
 	}
 
@@ -54,8 +58,7 @@ public abstract class BaseExternalTest extends IntegrationTest {
 		jadx.load();
 
 		if (clsPatternStr == null) {
-			processAll(jadx);
-			// jadx.saveSources();
+			jadx.save();
 		} else {
 			processByPatterns(jadx, clsPatternStr, mthPatternStr);
 		}
@@ -63,16 +66,6 @@ public abstract class BaseExternalTest extends IntegrationTest {
 		return jadx;
 	}
 
-	private void processAll(JadxDecompiler jadx) {
-		for (JavaClass javaClass : jadx.getClasses()) {
-			try {
-				javaClass.decompile();
-			} catch (Exception e) {
-				LOG.error("Failed to decompile class: {}", javaClass, e);
-			}
-		}
-	}
-
 	private void processByPatterns(JadxDecompiler jadx, String clsPattern, @Nullable String mthPattern) {
 		RootNode root = JadxInternalAccess.getRoot(jadx);
 		int processed = 0;