diff --git a/build.gradle b/build.gradle
index bc4f8ad5..424f590d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -30,6 +30,33 @@ ext {
     targetCompatibilityVersion = JavaVersion.VERSION_1_7
 }
 
+// If you have an idea on how to avoid this, please get in touch or
+// answer https://stackoverflow.com/questions/43867014/how-to-use-the-gradle-ndk-build-to-compile-for-the-host-machine.
+task copyNativeLibs(type: Copy, dependsOn: ':buckBuildNative') {
+    from "${rootDir}/buck-out/gen/java/tests#default,shared-library-symlink-tree/"
+    include '*.so'
+    include '*.dylib'
+    into "$buildDir/jniLibs"
+}
+
+task buckBuildNative(type: Exec) {
+    workingDir rootDir
+    environment BUCKVERSION: 'last'
+    commandLine 'buck', 'build', '//java/...'
+}
+
+allprojects {
+    afterEvaluate {
+        tasks.withType(Test) {
+            dependsOn copyNativeLibs
+            def libDir = "${rootDir}/build/jniLibs"
+            systemProperty 'java.library.path', libDir
+            environment 'LD_LIBRARY_PATH', libDir
+            environment 'DYLD_LIBRARY_PATH', libDir
+        }
+    }
+}
+
 task clean(type: Delete) {
     delete rootProject.buildDir
 }
diff --git a/java/build.gradle b/java/build.gradle
index 998f57c8..2222e8c3 100644
--- a/java/build.gradle
+++ b/java/build.gradle
@@ -41,7 +41,10 @@ android {
             java.srcDir 'com'
             manifest.srcFile 'AndroidManifest.xml'
             res.srcDirs = ['res']
-            jniLibs.srcDirs = ['build/buck-out/jniLibs']
+        }
+
+        test {
+            java.srcDirs 'tests'
         }
     }
 }
@@ -50,6 +53,7 @@ dependencies {
     compile 'com.google.code.findbugs:jsr305:3.0.1'
     compile 'com.facebook.soloader:soloader:0.2.0'
     provided project(':yoga:proguard-annotations')
+    testCompile 'junit:junit:4.12'
 }
 
 task sourcesJar(type: Jar) {