test: added module for check recompilation of test app

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "jadx-test-app/test-app"]
+	path = jadx-test-app/test-app
+	url = git://github.com/skylot/jadx-test-app.git

build.gradle

@@ -93,6 +93,9 @@ task dist(dependsOn: pack) {
 task samples(dependsOn: 'jadx-samples:samples') {
 }
 
+task testAppCheck(dependsOn: 'jadx-test-app:testAppCheck') {
+}
+
 task pitest(overwrite: true, dependsOn: 'jadx-core:pitest') {
 }
 

jadx-test-app/README.md

@@ -0,0 +1,14 @@
+### Run jadx on test android application
+
+This module contains build scripts for test recompilation of simple android app from:
+https://github.com/skylot/jadx-test-app
+
+For run tests type follow commands in jadx root directory:
+
+```java
+git submodule init
+git submodule update
+./gradlew testAppCheck
+```
+
+Note: You will need connected device or emulator for success

jadx-test-app/build.gradle

@@ -0,0 +1,69 @@
+project.ext {
+    testAppDir = 'test-app'
+    testAppTmpDir = 'test-app-tmp'
+
+    buildFile = "${testAppTmpDir}/build.gradle"
+    apkFile = "${testAppTmpDir}/build/outputs/apk/test-app-tmp-debug.apk"
+    outSrcDir = "${testAppTmpDir}/src/main/java"
+    outResDir = "${testAppTmpDir}/src/main"
+    checkTask = 'connectedCheck'
+}
+
+dependencies {
+    compile(project(":jadx-cli"))
+}
+
+sonarRunner {
+    skipProject = true
+}
+
+task deleteTmp(type:Delete) {
+    delete testAppTmpDir
+}
+
+task copyApp(type:Copy, dependsOn: deleteTmp) {
+    from testAppDir
+    into testAppTmpDir
+}
+
+task buildApp(type:Exec, dependsOn: copyApp) {
+    workingDir testAppTmpDir
+    commandLine "./gradlew clean build ${checkTask}".split(' ')
+}
+
+task removeSource(type:Delete, dependsOn: buildApp) {
+    delete "${outResDir}/**"
+}
+
+task runJadxSrc(type: JavaExec, dependsOn: removeSource) {
+    classpath = sourceSets.main.output + configurations.compile
+    main = project(':jadx-cli').mainClassName
+    args = ['-d', outSrcDir, '-r', apkFile, '-v']
+}
+
+task runJadxResources(type: JavaExec, dependsOn: runJadxSrc) {
+    classpath = sourceSets.main.output + configurations.compile
+    main = project(':jadx-cli').mainClassName
+    args = ['-d', outResDir, '-s', apkFile, '-v']
+}
+
+task decompile(type:Delete, dependsOn: runJadxResources) {
+    delete "${outSrcDir}/com/github/skylot/jadx/testapp/BuildConfig.java"
+    delete "${outSrcDir}/com/github/skylot/jadx/testapp/R.java"
+}
+
+task runChecks(type:Exec, dependsOn: decompile) {
+    workingDir testAppTmpDir
+    commandLine "./gradlew clean build ${checkTask}".split(' ')
+}
+
+task testAppCheck(dependsOn: runChecks) {
+    doFirst {
+        def buildFile = file(buildFile)
+        if (!buildFile.exists() || !buildFile.isFile()) {
+            throw new StopExecutionException("Test app not found")
+        }
+    }
+}
+
+clean.dependsOn deleteTmp

settings.gradle

@@ -4,3 +4,4 @@ include 'jadx-core'
 include 'jadx-cli'
 include 'jadx-gui'
 include 'jadx-samples'
+include 'jadx-test-app'