Use tag ids for testID

Summary: View tags are currently used for end-to-end test IDs. We'd like to overload the tag field with other information such as nativeID (for native refs) and transitionID (for shared element transitions) in the future. Added a key for testID's tag

Reviewed By: AaaChiuuu

Differential Revision: D4770368

fbshipit-source-id: b76c53a20520aac1b25d435b6d5eb809e8833675

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

@@ -21,6 +21,8 @@ android_library(
         react_native_dep("third-party/java/junit:junit"),
         react_native_dep("third-party/java/mockito:mockito"),
         react_native_dep("third-party/java/testing-support-lib:runner"),
+        react_native_integration_tests_target("java/com/facebook/react/testing/idledetection:idledetection"),
+        react_native_integration_tests_target("java/com/facebook/react/testing/network:network"),
         react_native_target("java/com/facebook/react:react"),
         react_native_target("java/com/facebook/react/bridge:bridge"),
         react_native_target("java/com/facebook/react/common:common"),
@@ -32,7 +34,6 @@ android_library(
         react_native_target("java/com/facebook/react/modules/debug:interfaces"),
         react_native_target("java/com/facebook/react/shell:shell"),
         react_native_target("java/com/facebook/react/uimanager:uimanager"),
-        react_native_integration_tests_target("java/com/facebook/react/testing/idledetection:idledetection"),
-        react_native_integration_tests_target("java/com/facebook/react/testing/network:network"),
+        react_native_target("res:uimanager"),
     ],
 )

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

@@ -17,6 +17,7 @@ import android.view.View;
 import android.view.ViewGroup;
 
 import com.facebook.react.NativeModuleRegistryBuilder;
+import com.facebook.react.R;
 import com.facebook.react.ReactInstanceManager;
 import com.facebook.react.ReactInstanceManagerBuilder;
 import com.facebook.react.bridge.CatalystInstance;
@@ -187,7 +188,9 @@ public class ReactTestHelper {
   }
 
   public static String getTestId(View view) {
-    return view.getTag() instanceof String ? (String) view.getTag() : null;
+    return view.getTag(R.id.react_test_id) instanceof String
+      ? (String) view.getTag(R.id.react_test_id)
+      : null;
   }
 
   private static View findChild(View root, Predicate<View> predicate) {
@@ -211,7 +214,7 @@ public class ReactTestHelper {
     return new Predicate<View>() {
       @Override
       public boolean apply(View view) {
-        Object tag = view.getTag();
+        Object tag = getTestId(view);
         return tag != null && tag.equals(tagValue);
       }
     };

ReactAndroid/src/main/java/com/facebook/react/uimanager/BUCK

@@ -26,5 +26,6 @@ android_library(
         react_native_target("java/com/facebook/react/modules/i18nmanager:i18nmanager"),
         react_native_target("java/com/facebook/react/touch:touch"),
         react_native_target("java/com/facebook/react/uimanager/annotations:annotations"),
+        react_native_target("res:uimanager"),
     ],
 )

ReactAndroid/src/main/java/com/facebook/react/uimanager/BaseViewManager.java

@@ -5,6 +5,7 @@ package com.facebook.react.uimanager;
 import android.graphics.Color;
 import android.os.Build;
 import android.view.View;
+import com.facebook.react.R;
 import com.facebook.react.bridge.ReadableArray;
 import com.facebook.react.uimanager.annotations.ReactProp;
 
@@ -85,6 +86,9 @@ public abstract class BaseViewManager<T extends View, C extends LayoutShadowNode
 
   @ReactProp(name = PROP_TEST_ID)
   public void setTestId(T view, String testId) {
+    view.setTag(R.id.react_test_id, testId);
+
+    // temporarily set the tag and keyed tags to avoid end to end test regressions
     view.setTag(testId);
   }
 

ReactAndroid/src/main/res/BUCK

@@ -26,3 +26,12 @@ android_resource(
         "PUBLIC",
     ],
 )
+
+android_resource(
+    name = "uimanager",
+    package = "com.facebook.react",
+    res = "views/uimanager",
+    visibility = [
+        "PUBLIC",
+    ],
+)

ReactAndroid/src/main/res/views/uimanager/values/ids.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <!-- tag is used to store the testID tag -->
+  <item type="id" name="react_test_id"/>
+</resources>