Add Fabric integration test

Reviewed By: fkgozali

Differential Revision: D7207630

fbshipit-source-id: 69cc10d7d45031eec9f3d934b981a5e4bb62a0ef

ReactAndroid/src/androidTest/java/com/facebook/react/testing/BUCK

@@ -27,6 +27,8 @@ rn_android_library(
         react_native_target("java/com/facebook/react/bridge:bridge"),
         react_native_target("java/com/facebook/react/common:common"),
         react_native_target("java/com/facebook/react/devsupport:interfaces"),
+        react_native_target("java/com/facebook/react/fabric:fabric"),
+        react_native_target("java/com/facebook/react/fabric/jsc:jsc"),
         react_native_target("java/com/facebook/react/module/annotations:annotations"),
         react_native_target("java/com/facebook/react/module/model:model"),
         react_native_target("java/com/facebook/react/modules/core:core"),

ReactAndroid/src/androidTest/java/com/facebook/react/testing/ReactAppInstrumentationTestCase.java

@@ -7,19 +7,17 @@
 
 package com.facebook.react.testing;
 
-import javax.annotation.Nullable;
-
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.TimeUnit;
-
+import android.content.Intent;
 import android.graphics.Bitmap;
 import android.test.ActivityInstrumentationTestCase2;
 import android.view.View;
 import android.view.ViewGroup;
-
 import com.facebook.infer.annotation.Assertions;
 import com.facebook.react.bridge.ReactContext;
 import com.facebook.react.testing.idledetection.IdleWaiter;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import javax.annotation.Nullable;
 
 /**
  * Base class for instrumentation tests that runs React based react application in UI mode
@@ -35,6 +33,9 @@ public abstract class ReactAppInstrumentationTestCase extends
   protected void setUp() throws Exception {
     super.setUp();
 
+    Intent intent = new Intent();
+    intent.putExtra(ReactAppTestActivity.EXTRA_IS_FABRIC_TEST, isFabricTest());
+    setActivityIntent(intent);
     final ReactAppTestActivity activity = getActivity();
     try {
       runTestOnUiThread(new Runnable() {
@@ -144,6 +145,10 @@ public abstract class ReactAppInstrumentationTestCase extends
     return false;
   }
 
+  protected boolean isFabricTest() {
+    return false;
+  }
+
   /**
    * Override this method to provide extra native modules to be loaded before the app starts
    */

ReactAndroid/src/androidTest/java/com/facebook/react/testing/ReactAppTestActivity.java

@@ -7,6 +7,7 @@
 
 package com.facebook.react.testing;
 
+import android.content.Intent;
 import android.graphics.Bitmap;
 import android.os.Bundle;
 import android.support.v4.app.FragmentActivity;
@@ -17,8 +18,16 @@ import com.facebook.infer.annotation.Assertions;
 import com.facebook.react.ReactInstanceManager;
 import com.facebook.react.ReactInstanceManagerBuilder;
 import com.facebook.react.ReactRootView;
+import com.facebook.react.bridge.JSIModule;
+import com.facebook.react.bridge.JSIModuleHolder;
+import com.facebook.react.bridge.JSIModulesProvider;
+import com.facebook.react.bridge.JavaScriptContextHolder;
+import com.facebook.react.bridge.ReactApplicationContext;
 import com.facebook.react.bridge.ReactContext;
+import com.facebook.react.bridge.UIManager;
 import com.facebook.react.common.LifecycleState;
+import com.facebook.react.fabric.FabricUIManager;
+import com.facebook.react.fabric.jsc.FabricJSCBinding;
 import com.facebook.react.modules.core.DefaultHardwareBackBtnHandler;
 import com.facebook.react.modules.core.PermissionAwareActivity;
 import com.facebook.react.modules.core.PermissionListener;
@@ -26,6 +35,10 @@ import com.facebook.react.shell.MainReactPackage;
 import com.facebook.react.testing.idledetection.ReactBridgeIdleSignaler;
 import com.facebook.react.testing.idledetection.ReactIdleDetectionUtil;
 import com.facebook.react.uimanager.UIImplementationProvider;
+import com.facebook.react.uimanager.ViewManager;
+import com.facebook.react.uimanager.ViewManagerRegistry;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.Nullable;
@@ -33,6 +46,8 @@ import javax.annotation.Nullable;
 public class ReactAppTestActivity extends FragmentActivity
     implements DefaultHardwareBackBtnHandler, PermissionAwareActivity {
 
+  public static final String EXTRA_IS_FABRIC_TEST = "is_fabric_test";
+
   private static final String DEFAULT_BUNDLE_NAME = "AndroidTestBundle.js";
   private static final int ROOT_VIEW_ID = 8675309;
   // we need a bigger timeout for CI builds because they run on a slow emulator
@@ -62,6 +77,11 @@ public class ReactAppTestActivity extends FragmentActivity
     rootView.addView(mScreenshotingFrameLayout);
 
     mReactRootView = new ReactRootView(this);
+    Intent intent = getIntent();
+    if (intent != null && intent.getBooleanExtra(EXTRA_IS_FABRIC_TEST, false)) {
+      mReactRootView.setIsFabric(true);
+    }
+
     mScreenshotingFrameLayout.addView(mReactRootView);
   }
 
@@ -179,6 +199,36 @@ public class ReactAppTestActivity extends FragmentActivity
         .setUseDeveloperSupport(useDevSupport)
         .setBridgeIdleDebugListener(mBridgeIdleSignaler)
         .setInitialLifecycleState(mLifecycleState)
+        .setJSIModulesProvider(
+          new JSIModulesProvider() {
+            @Override
+            public List<JSIModuleHolder> getJSIModules(
+              final ReactApplicationContext reactApplicationContext,
+              final JavaScriptContextHolder jsContext) {
+
+              List<JSIModuleHolder> modules = new ArrayList<>();
+              modules.add(
+                new JSIModuleHolder() {
+
+                  @Override
+                  public Class<? extends JSIModule> getJSIModuleClass() {
+                    return UIManager.class;
+                  }
+
+                  @Override
+                  public FabricUIManager getJSIModule() {
+                    List<ViewManager> viewManagers =
+                      getReactInstanceManager().getOrCreateViewManagers(reactApplicationContext);
+                    FabricUIManager fabricUIManager =
+                      new FabricUIManager(
+                        reactApplicationContext, new ViewManagerRegistry(viewManagers));
+                    new FabricJSCBinding().installFabric(jsContext, fabricUIManager);
+                    return fabricUIManager;
+                  }
+                });
+
+              return modules;
+            }})
         .setUIImplementationProvider(uiImplementationProvider);
 
     mReactInstanceManager = builder.build();
@@ -195,6 +245,10 @@ public class ReactAppTestActivity extends FragmentActivity
         .startReactApplication(mReactInstanceManager, appKey, initialProps);
   }
 
+  private ReactInstanceManager getReactInstanceManager() {
+    return mReactInstanceManager;
+  }
+
   public boolean waitForLayout(long millis) throws InterruptedException {
     return mLayoutEvent.await(millis, TimeUnit.MILLISECONDS);
   }