Remove dependency on launcher from instrumentation tests

Reviewed By: bestander

Differential Revision: D3736847

fbshipit-source-id: d39a227fe8753f3766521fd23440933adba9e8c7

ReactAndroid/build.gradle

@@ -287,6 +287,7 @@ dependencies {
     testCompile "org.easytesting:fest-assert-core:${FEST_ASSERT_CORE_VERSION}"
     testCompile "org.robolectric:robolectric:${ROBOLECTRIC_VERSION}"
 
+    androidTestCompile fileTree(dir: 'src/main/third-party/java/buck-android-support/', include: ['*.jar'])
     androidTestCompile 'com.android.support.test:runner:0.3'
     androidTestCompile "org.mockito:mockito-core:${MOCKITO_CORE_VERSION}"
 }

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

@@ -6,6 +6,7 @@ android_library(
   deps = [
     react_native_dep('libraries/soloader/java/com/facebook/soloader:soloader'),
     react_native_dep('third-party/android/support/v4:lib-support-v4'),
+    react_native_dep('third-party/java/buck-android-support:buck-android-support'),
     react_native_dep('third-party/java/infer-annotations:infer-annotations'),
     react_native_dep('third-party/java/jsr-305:jsr-305'),
     react_native_dep('third-party/java/junit:junit'),

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

@@ -0,0 +1,39 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc.
+ * All rights reserved.
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+package com.facebook.react.testing;
+
+import com.facebook.buck.android.support.exopackage.ApplicationLike;
+import com.facebook.buck.android.support.exopackage.ExopackageApplication;
+import com.facebook.react.common.build.ReactBuildConfig;
+import com.facebook.soloader.SoLoader;
+
+/**
+ * Application class for the Catalyst Launcher to allow it to work as an exopackage.
+ *
+ * Any app-specific code that should run before secondary dex files are loaded
+ * (like setting up crash reporting) should go in onBaseContextAttached.
+ * Anything that should run after secondary dex should go in CatalystApplicationImpl.onCreate.
+ */
+public class ReactTestAppShell extends ExopackageApplication<ApplicationLike> {
+
+  public ReactTestAppShell() {
+    super("com.facebook.react.testing.ReactTestApplicationImpl", ReactBuildConfig.EXOPACKAGE_FLAGS);
+  }
+
+  @Override
+  protected void onBaseContextAttached() {
+    // This is a terrible hack.  Don't copy it.
+    // It's unfortunate that Instagram does the same thing.
+    // We need to do this here because internal apps use SoLoader,
+    // and Open Source Buck uses ExopackageSoLoader.
+    // If you feel the need to copy this, we should refactor it
+    // into an FB-specific subclass of ExopackageApplication.
+    SoLoader.init(this, (ReactBuildConfig.EXOPACKAGE_FLAGS & 2) != 0);
+  }
+}

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

@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc.
+ * All rights reserved.
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+package com.facebook.react.testing;
+
+import android.app.Application;
+
+import com.facebook.buck.android.support.exopackage.DefaultApplicationLike;
+
+public class ReactTestApplicationImpl extends DefaultApplicationLike {
+
+  public ReactTestApplicationImpl() {
+    super();
+  }
+
+  public ReactTestApplicationImpl(Application application) {
+    super(application);
+  }
+}

ReactAndroid/src/main/third-party/java/buck-android-support/BUCK

@@ -0,0 +1,14 @@
+include_defs('//ReactAndroid/DEFS')
+
+# this lib was compiled by buck version : 6cbf2709778ea352a169d1c84e3ef2894dfa39ec
+prebuilt_jar(
+  name = 'buck-android-support',
+  binary_jar = 'buck-android-support.jar',
+  visibility = [
+    react_native_integration_tests_target('...'),
+  ],
+)
+
+project_config(
+  src_target = ':buck-android-support',
+)