Add tests

Author: gspencergoog

shell/platform/android/test/io/flutter/plugin/editing/TextInputPluginTest.java

@@ -4,11 +4,15 @@
 import android.content.res.AssetManager;
 import android.provider.Settings;
 import android.util.SparseIntArray;
+import android.view.KeyEvent;
 import android.view.View;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputConnection;
 import android.view.inputmethod.InputMethodManager;
 import android.view.inputmethod.InputMethodSubtype;
 
 import java.nio.ByteBuffer;
+import java.util.Arrays;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -21,6 +25,7 @@
 import org.robolectric.shadows.ShadowBuild;
 import org.robolectric.shadows.ShadowInputMethodManager;
 
+import io.flutter.Log;
 import io.flutter.embedding.engine.FlutterJNI;
 import io.flutter.embedding.engine.dart.DartExecutor;
 import io.flutter.embedding.engine.systemchannels.TextInputChannel;
@@ -155,6 +160,33 @@ public void setTextInputEditingState_nullInputMethodSubtype() {
         assertEquals(1, testImm.getRestartCount(testView));
     }
 
+    @Test
+    public void inputConnection_createsActionFromEnter() {
+        Log.setLogLevel(android.util.Log.VERBOSE);
+        TestImm testImm = Shadow.extract(RuntimeEnvironment.application.getSystemService(Context.INPUT_METHOD_SERVICE));
+        FlutterJNI mockFlutterJni = mock(FlutterJNI.class);
+        View testView = new View(RuntimeEnvironment.application);
+        DartExecutor dartExecutor = spy(new DartExecutor(mockFlutterJni, mock(AssetManager.class)));
+        TextInputPlugin textInputPlugin = new TextInputPlugin(testView, dartExecutor, mock(PlatformViewsController.class));
+        textInputPlugin.setTextInputClient(0, new TextInputChannel.Configuration(false, false, true, TextInputChannel.TextCapitalization.NONE, new TextInputChannel.InputType(TextInputChannel.TextInputType.TEXT, false, false), null, null));
+        // There's a pending restart since we initialized the text input client. Flush that now.
+        textInputPlugin.setTextInputEditingState(testView, new TextInputChannel.TextEditState("", 0, 0));
+
+        EditorInfo editorInfo = new EditorInfo();
+        InputConnection connection = textInputPlugin.createInputConnection(testView, editorInfo);
+
+        ByteBuffer message = JSONMethodCodec.INSTANCE.encodeMethodCall(
+            new MethodCall("TextInputClient.performAction", Arrays.asList(0, "TextInputAction.done")));
+        connection.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER));
+        verify(dartExecutor, times(2)).send("flutter/textinput", message, null);
+        connection.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_ENTER));
+
+        connection.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_NUMPAD_ENTER));
+        verify(dartExecutor, times(3)).send("flutter/textinput", message, null);
+        connection.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_NUMPAD_ENTER));
+    }
+
+
     @Implements(InputMethodManager.class)
     public static class TestImm extends ShadowInputMethodManager {
         private InputMethodSubtype currentInputMethodSubtype;