Set text direction in semantics along with Directionality (#16907)

* Set text direction in semantics along with Directionality

* update tests for the extra SemanticsNode

packages/flutter/lib/src/widgets/localizations.dart

@@ -544,7 +544,9 @@ class _LocalizationsState extends State<Localizations> {
   Widget build(BuildContext context) {
     if (_locale == null)
       return new Container();
-    return new _LocalizationsScope(
+    return new Semantics(
+      textDirection: _textDirection,
+      child: new _LocalizationsScope(
         key: _localizedResourcesScopeKey,
         locale: _locale,
         localizationsState: this,
@@ -553,6 +555,7 @@ class _LocalizationsState extends State<Localizations> {
           textDirection: _textDirection,
           child: widget.child,
         ),
+      ),
     );
   }
 }

packages/flutter/test/material/app_bar_test.dart

@@ -1214,6 +1214,8 @@ void main() {
 
     expect(semantics, hasSemantics(
       new TestSemantics.root(
+        children: <TestSemantics>[
+          new TestSemantics(
             children: <TestSemantics>[
               new TestSemantics(
                 flags: <SemanticsFlag>[SemanticsFlag.scopesRoute],
@@ -1251,6 +1253,8 @@ void main() {
               ),
             ],
           ),
+        ],
+      ),
       ignoreRect: true,
       ignoreTransform: true,
       ignoreId: true,
@@ -1290,6 +1294,8 @@ void main() {
 
     expect(semantics, hasSemantics(
       new TestSemantics.root(
+        children: <TestSemantics>[
+          new TestSemantics(
             children: <TestSemantics>[
               new TestSemantics(
                 flags: <SemanticsFlag>[SemanticsFlag.scopesRoute],
@@ -1332,6 +1338,8 @@ void main() {
               ),
             ],
           ),
+        ],
+      ),
       ignoreRect: true,
       ignoreTransform: true,
       ignoreId: true,

packages/flutter/test/material/bottom_navigation_bar_test.dart

@@ -519,19 +519,22 @@ void main() {
           children: <TestSemantics>[
             new TestSemantics(
               id: 2,
+              children: <TestSemantics>[
+                new TestSemantics(
+                  id: 3,
                   flags: <SemanticsFlag>[SemanticsFlag.isSelected],
                   actions: <SemanticsAction>[SemanticsAction.tap],
                   label: 'AC\nTab 1 of 3',
                   textDirection: TextDirection.ltr,
                 ),
                 new TestSemantics(
-              id: 3,
+                  id: 4,
                   actions: <SemanticsAction>[SemanticsAction.tap],
                   label: 'Alarm\nTab 2 of 3',
                   textDirection: TextDirection.ltr,
                 ),
                 new TestSemantics(
-              id: 4,
+                  id: 5,
                   actions: <SemanticsAction>[SemanticsAction.tap],
                   label: 'Hot Tub\nTab 3 of 3',
                   textDirection: TextDirection.ltr,
@@ -539,6 +542,8 @@ void main() {
               ],
             ),
           ],
+        ),
+      ],
     );
     expect(semantics, hasSemantics(expected, ignoreTransform: true, ignoreRect: true));
 

packages/flutter/test/material/date_picker_test.dart

@@ -609,7 +609,11 @@ void _tests() {
       );
 
       expect(semantics, hasSemantics(
-        new TestSemantics.root(children: <TestSemantics>[expected]),
+        new TestSemantics.root(children: <TestSemantics>[
+          new TestSemantics(
+            children: <TestSemantics>[expected],
+          ),
+        ]),
         ignoreId: true,
         ignoreTransform: true,
         ignoreRect: true,

packages/flutter/test/material/floating_action_button_test.dart

@@ -281,6 +281,8 @@ void main() {
     expect(semantics, hasSemantics(new TestSemantics.root(
       children: <TestSemantics>[
         new TestSemantics.rootChild(
+          children: <TestSemantics>[
+            new TestSemantics(
               flags: <SemanticsFlag>[
                 SemanticsFlag.scopesRoute,
               ],
@@ -299,6 +301,8 @@ void main() {
               ],
             ),
           ],
+        ),
+      ],
     ), ignoreTransform: true, ignoreId: true, ignoreRect: true));
 
     semantics.dispose();

packages/flutter/test/material/tabs_test.dart

@@ -1361,6 +1361,10 @@ void main() {
               children: <TestSemantics>[
                 new TestSemantics(
                     id: 3,
+                    rect: TestSemantics.fullScreen,
+                    children: <TestSemantics>[
+                      new TestSemantics(
+                        id: 4,
                         actions: SemanticsAction.tap.index,
                         flags: SemanticsFlag.isSelected.index,
                         label: 'TAB #0\nTab 1 of 2',
@@ -1368,7 +1372,7 @@ void main() {
                         transform: new Matrix4.translationValues(0.0, 276.0, 0.0),
                       ),
                       new TestSemantics(
-                  id: 4,
+                        id: 5,
                         actions: SemanticsAction.tap.index,
                         label: 'TAB #1\nTab 2 of 2',
                         rect: new Rect.fromLTRB(0.0, 0.0, 108.0, kTextTabBarHeight),
@@ -1379,6 +1383,8 @@ void main() {
               ],
             ),
           ],
+        ),
+      ],
     );
 
     expect(semantics, hasSemantics(expectedSemantics));
@@ -1618,6 +1624,10 @@ void main() {
               children: <TestSemantics>[
                 new TestSemantics(
                     id: 3,
+                    rect: TestSemantics.fullScreen,
+                    children: <TestSemantics>[
+                      new TestSemantics(
+                        id: 4,
                         actions: SemanticsAction.tap.index,
                         flags: SemanticsFlag.isSelected.index,
                         label: 'Semantics override 0\nTab 1 of 2',
@@ -1625,7 +1635,7 @@ void main() {
                         transform: new Matrix4.translationValues(0.0, 276.0, 0.0),
                       ),
                       new TestSemantics(
-                  id: 4,
+                        id: 5,
                         actions: SemanticsAction.tap.index,
                         label: 'Semantics override 1\nTab 2 of 2',
                         rect: new Rect.fromLTRB(0.0, 0.0, 108.0, kTextTabBarHeight),
@@ -1636,6 +1646,8 @@ void main() {
               ],
             ),
           ],
+        ),
+      ],
     );
 
     expect(semantics, hasSemantics(expectedSemantics));

packages/flutter/test/material/tooltip_test.dart

@@ -622,6 +622,8 @@ void main() {
     expect(semantics, hasSemantics(new TestSemantics.root(
       children: <TestSemantics>[
         new TestSemantics.rootChild(
+          children: <TestSemantics>[
+            new TestSemantics(
               flags: <SemanticsFlag>[SemanticsFlag.scopesRoute],
               children: <TestSemantics>[
                 new TestSemantics(
@@ -631,6 +633,8 @@ void main() {
               ],
             ),
           ],
+        ),
+      ],
     ), ignoreRect: true, ignoreId: true, ignoreTransform: true));
 
     semantics.dispose();
@@ -654,6 +658,8 @@ void main() {
     expect(semantics, hasSemantics(new TestSemantics.root(
       children: <TestSemantics>[
         new TestSemantics.rootChild(
+          children: <TestSemantics>[
+            new TestSemantics(
               flags: <SemanticsFlag>[SemanticsFlag.scopesRoute],
               children: <TestSemantics>[
                 new TestSemantics(
@@ -663,6 +669,8 @@ void main() {
               ],
             ),
           ],
+        ),
+      ],
     ), ignoreRect: true, ignoreId: true, ignoreTransform: true));
 
     semantics.dispose();

packages/flutter/test/material/user_accounts_drawer_header_test.dart

@@ -330,6 +330,8 @@ void main() {
     expect(
       semantics,
       hasSemantics(
+        new TestSemantics(
+          children: <TestSemantics>[
             new TestSemantics(
               children: <TestSemantics>[
                 new TestSemantics(
@@ -363,6 +365,8 @@ void main() {
                 ),
               ],
             ),
+          ],
+        ),
         ignoreId: true, ignoreTransform: true, ignoreRect: true,
       ),
     );
@@ -382,6 +386,8 @@ void main() {
     expect(
       semantics,
       hasSemantics(
+        new TestSemantics(
+          children: <TestSemantics>[
             new TestSemantics(
               children: <TestSemantics>[
                 new TestSemantics(
@@ -409,6 +415,8 @@ void main() {
                 ),
               ],
             ),
+          ],
+        ),
         ignoreId: true, ignoreTransform: true, ignoreRect: true,
       ),
     );

packages/flutter/test/widgets/editable_text_test.dart

@@ -592,6 +592,8 @@ void main() {
     expect(semantics, hasSemantics(new TestSemantics(
       children: <TestSemantics>[
         new TestSemantics.rootChild(
+          children: <TestSemantics>[
+            new TestSemantics(
               flags: <SemanticsFlag>[SemanticsFlag.scopesRoute],
               children:  <TestSemantics>[
                 new TestSemantics(
@@ -602,6 +604,8 @@ void main() {
               ],
             ),
           ],
+        ),
+      ],
     ), ignoreTransform: true, ignoreRect: true, ignoreId: true));
 
     semantics.dispose();
@@ -714,12 +718,15 @@ void main() {
       await tester.pump();
 
       final SemanticsOwner owner = tester.binding.pipelineOwner.semanticsOwner;
-      const int expectedNodeId = 3;
+      const int expectedNodeId = 4;
 
       expect(semantics, hasSemantics(new TestSemantics.root(
         children: <TestSemantics>[
           new TestSemantics.rootChild(
             id: 1,
+            children: <TestSemantics>[
+              new TestSemantics(
+                id: 2,
                 flags: <SemanticsFlag>[SemanticsFlag.scopesRoute],
                 children: <TestSemantics>[
                   new TestSemantics.rootChild(
@@ -742,6 +749,8 @@ void main() {
                 ],
               ),
             ],
+          ),
+        ],
       ), ignoreRect: true, ignoreTransform: true));
 
       owner.performAction(expectedNodeId, SemanticsAction.copy);

packages/flutter/test/widgets/semantics_tester_generateTestSemanticsExpressionForCurrentSemanticsTree_test.dart

@@ -105,22 +105,26 @@ void _tests() {
           children: <TestSemantics>[
             new TestSemantics(
               id: 1,
-              flags: <SemanticsFlag>[SemanticsFlag.scopesRoute],
+              textDirection: TextDirection.ltr,
               children: <TestSemantics>[
                 new TestSemantics(
                   id: 2,
+                  flags: <SemanticsFlag>[SemanticsFlag.scopesRoute],
                   children: <TestSemantics>[
                     new TestSemantics(
-                      id: 5,
+                      id: 3,
                       children: <TestSemantics>[
                         new TestSemantics(
-                          id: 3,
+                          id: 6,
+                          children: <TestSemantics>[
+                            new TestSemantics(
+                              id: 4,
                               tags: <SemanticsTag>[const SemanticsTag('RenderViewport.twoPane')],
                               label: 'Plain text',
                               textDirection: TextDirection.ltr,
                             ),
                             new TestSemantics(
-                          id: 4,
+                              id: 5,
                               tags: <SemanticsTag>[const SemanticsTag('RenderViewport.twoPane')],
                               flags: <SemanticsFlag>[SemanticsFlag.hasCheckedState, SemanticsFlag.isChecked, SemanticsFlag.isSelected],
                               actions: <SemanticsAction>[SemanticsAction.tap, SemanticsAction.decrease],
@@ -139,6 +143,8 @@ void _tests() {
                 ),
               ],
             ),
+          ],
+        ),
         // ^^^^^^^^^^^^
         ignoreRect: true,
         ignoreTransform: true,

packages/flutter/test/widgets/simple_semantics_test.dart

@@ -55,12 +55,16 @@ void main() {
     expect(semantics, hasSemantics(new TestSemantics.root(
       children: <TestSemantics>[
         new TestSemantics.rootChild(
-          rect: new Rect.fromLTWH(0.0, 0.0, 800.0, 600.0),
           id: 2,
-          flags: <SemanticsFlag>[SemanticsFlag.scopesRoute],
+          rect: new Rect.fromLTWH(0.0, 0.0, 800.0, 600.0),
           children: <TestSemantics>[
             new TestSemantics(
               id: 3,
+              rect: new Rect.fromLTWH(0.0, 0.0, 800.0, 600.0),
+              flags: <SemanticsFlag>[SemanticsFlag.scopesRoute],
+              children: <TestSemantics>[
+                new TestSemantics(
+                  id: 4,
                   label: 'Hello!',
                   textDirection: TextDirection.ltr,
                   rect: new Rect.fromLTRB(0.0, 0.0, 10.0, 10.0),
@@ -69,6 +73,8 @@ void main() {
               ],
             ),
           ],
+        ),
+      ],
     )));
 
     semantics.dispose();