feat: test code gen

build.gradle

@@ -49,6 +49,15 @@ dependencies {
 
     implementation fileTree (dir: 'iclibs', include: '*.jar')
     implementation fileTree (dir: 'iclibs/dex2jar', include: '*.jar')
+
+    testImplementation(platform("org.junit:junit-bom:5.10.0"))
+    testImplementation("org.junit.jupiter:junit-jupiter")
+    testRuntimeOnly("org.junit.platform:junit-platform-launcher")
+}
+
+tasks.test {
+    dependsOn 'generateApiBindingsTest'
+    useJUnitPlatform()
 }
 
 def targetJavaVersion = 17
@@ -81,6 +90,25 @@ run {
 def apiGenSourceRoot = file('src/main/java/org/innercore')
 def apiGenOutputDir = layout.projectDirectory.dir('src/main/java/com/zhekasmirnov/innercore/api/gen')
 
+def apiGenSourceTestRoot = file('src/test/java/org/innercore')
+def apiGenOutputTestDir = layout.projectDirectory.dir('src/test/java/com/zhekasmirnov/innercore/api/gen')
+
+tasks.register('generateApiBindingsTest', JavaExec) {
+    group = 'codegen'
+    description = 'Generates JS binding base classes from @ApiBinding-annotated sources.'
+    javaLauncher = javaToolchains.launcherFor {
+        def javaVersion = JavaVersion.toVersion(targetJavaVersion)
+        if (JavaVersion.current() < javaVersion) {
+            languageVersion = JavaLanguageVersion.of(targetJavaVersion)
+        }
+    }
+    classpath = configurations.codegenClasspath
+    mainClass = 'org.innercore.codegen.Codegen'
+    args 'com.zhekasmirnov.innercore.api.gen', apiGenOutputTestDir.asFile.absolutePath, apiGenSourceTestRoot.absolutePath
+    inputs.files(fileTree(apiGenSourceRoot) { include '**/*.java' }).withPropertyName('apiBindingSources')
+    outputs.dir(apiGenOutputDir).withPropertyName('apiBindingOutput')
+}
+
 tasks.register('generateApiBindings', JavaExec) {
     group = 'codegen'
     description = 'Generates JS binding base classes from @ApiBinding-annotated sources.'