fixed inconsistent file names for *_chip.dart files and added a test (#111364)

dev/bots/analyze.dart

@@ -201,6 +201,10 @@ Future<void> run(List<String> arguments) async {
   } finally {
     outDir.deleteSync(recursive: true);
   }
+
+  // Ensure gen_default links the correct files
+  printProgress('Correct file names in gen_defaults.dart...');
+  await verifyTokenTemplatesUpdateCorrectFiles(flutterRoot);
 }
 
 
@@ -278,6 +282,56 @@ Future<void> verifyNoDoubleClamp(String workingDirectory) async {
   }
 }
 
+/// Verify Token Templates are mapped to correct file names while generating
+/// M3 defaults in /dev/tools/gen_defaults/bin/gen_defaults.dart.
+Future<void> verifyTokenTemplatesUpdateCorrectFiles(String workingDirectory) async {
+  final List<String> errors = <String>[];
+
+  String getMaterialDirPath(List<String> lines) {
+    final String line = lines.firstWhere((String line) => line.contains('String materialLib'));
+    final String relativePath = line.substring(line.indexOf("'") + 1, line.lastIndexOf("'"));
+    return path.join(workingDirectory, relativePath);
+  }
+
+  String getFileName(String line) {
+    const String materialLibString = r"'$materialLib/";
+    final String leftClamp = line.substring(line.indexOf(materialLibString) + materialLibString.length);
+    return leftClamp.substring(0, leftClamp.indexOf("'"));
+  }
+
+  final String genDefaultsBinDir = '$workingDirectory/dev/tools/gen_defaults/bin';
+  final File file = File(path.join(genDefaultsBinDir, 'gen_defaults.dart'));
+  final List<String> lines = file.readAsLinesSync();
+  final String materialDirPath = getMaterialDirPath(lines);
+  bool atLeastOneTargetLineExists = false;
+
+  for (final String line in lines) {
+    if (line.contains('updateFile();')) {
+      atLeastOneTargetLineExists = true;
+      final String fileName = getFileName(line);
+      final String filePath = path.join(materialDirPath, fileName);
+      final File file = File(filePath);
+
+      if (!file.existsSync()) {
+        errors.add('file $filePath does not exist.');
+      }
+    }
+  }
+
+  assert(atLeastOneTargetLineExists, 'No lines exist that this test expects to '
+      'verify. Check if the target file is correct or remove this test');
+
+  // Fail if any errors
+  if (errors.isNotEmpty) {
+    final String s = errors.length > 1 ? 's' : '';
+    final String itThem = errors.length > 1 ? 'them' : 'it';
+    foundError(<String>[
+      ...errors,
+      '${bold}Please correct the file name$s or remove $itThem from /dev/tools/gen_defaults/bin/gen_defaults.dart$reset',
+    ]);
+  }
+}
+
 /// Verify tool test files end in `_test.dart`.
 ///
 /// The test runner will only recognize files ending in `_test.dart` as tests to

dev/tools/gen_defaults/bin/gen_defaults.dart

@@ -17,17 +17,17 @@
 import 'dart:convert';
 import 'dart:io';
 
+import 'package:gen_defaults/action_chip_template.dart';
 import 'package:gen_defaults/app_bar_template.dart';
 import 'package:gen_defaults/banner_template.dart';
 import 'package:gen_defaults/button_template.dart';
 import 'package:gen_defaults/card_template.dart';
 import 'package:gen_defaults/checkbox_template.dart';
-import 'package:gen_defaults/chip_action_template.dart';
-import 'package:gen_defaults/chip_filter_template.dart';
-import 'package:gen_defaults/chip_input_template.dart';
 import 'package:gen_defaults/dialog_template.dart';
 import 'package:gen_defaults/fab_template.dart';
+import 'package:gen_defaults/filter_chip_template.dart';
 import 'package:gen_defaults/icon_button_template.dart';
+import 'package:gen_defaults/input_chip_template.dart';
 import 'package:gen_defaults/input_decorator_template.dart';
 import 'package:gen_defaults/navigation_bar_template.dart';
 import 'package:gen_defaults/navigation_rail_template.dart';
@@ -104,6 +104,7 @@ Future<void> main(List<String> args) async {
   tokens['colorsLight'] = _readTokenFile('color_light.json');
   tokens['colorsDark'] = _readTokenFile('color_dark.json');
 
+  ActionChipTemplate('ActionChip', '$materialLib/action_chip.dart', tokens).updateFile();
   AppBarTemplate('AppBar', '$materialLib/app_bar.dart', tokens).updateFile();
   BannerTemplate('Banner', '$materialLib/banner.dart', tokens).updateFile();
   ButtonTemplate('md.comp.elevated-button', 'ElevatedButton', '$materialLib/elevated_button.dart', tokens).updateFile();
@@ -113,13 +114,12 @@ Future<void> main(List<String> args) async {
   ButtonTemplate('md.comp.text-button', 'TextButton', '$materialLib/text_button.dart', tokens).updateFile();
   CardTemplate('Card', '$materialLib/card.dart', tokens).updateFile();
   CheckboxTemplate('Checkbox', '$materialLib/checkbox.dart', tokens).updateFile();
-  ChipActionTemplate('ActionChip', '$materialLib/action_chip.dart', tokens).updateFile();
-  ChipFilterTemplate('FilterChip', '$materialLib/filter_chip.dart', tokens).updateFile();
-  ChipFilterTemplate('FilterChip', '$materialLib/choice_chip.dart', tokens).updateFile();
-  ChipInputTemplate('InputChip', '$materialLib/input_chip.dart', tokens).updateFile();
   DialogTemplate('Dialog', '$materialLib/dialog.dart', tokens).updateFile();
   FABTemplate('FAB', '$materialLib/floating_action_button.dart', tokens).updateFile();
+  FilterChipTemplate('ChoiceChip', '$materialLib/choice_chip.dart', tokens).updateFile();
+  FilterChipTemplate('FilterChip', '$materialLib/filter_chip.dart', tokens).updateFile();
   IconButtonTemplate('IconButton', '$materialLib/icon_button.dart', tokens).updateFile();
+  InputChipTemplate('InputChip', '$materialLib/input_chip.dart', tokens).updateFile();
   InputDecoratorTemplate('InputDecorator', '$materialLib/input_decorator.dart', tokens).updateFile();
   NavigationBarTemplate('NavigationBar', '$materialLib/navigation_bar.dart', tokens).updateFile();
   NavigationRailTemplate('NavigationRail', '$materialLib/navigation_rail.dart', tokens).updateFile();

dev/tools/gen_defaults/lib/action_chip_template.dart

@@ -4,9 +4,9 @@
 
 import 'template.dart';
 
-class ChipActionTemplate extends TokenTemplate {
+class ActionChipTemplate extends TokenTemplate {
 
-  const ChipActionTemplate(super.blockName, super.fileName, super.tokens);
+  const ActionChipTemplate(super.blockName, super.fileName, super.tokens);
 
   static const String tokenGroup = 'md.comp.assist-chip';
   static const String variant = '.flat';

dev/tools/gen_defaults/lib/filter_chip_template.dart

@@ -4,8 +4,8 @@
 
 import 'template.dart';
 
-class ChipFilterTemplate extends TokenTemplate {
-  const ChipFilterTemplate(super.blockName, super.fileName, super.tokens);
+class FilterChipTemplate extends TokenTemplate {
+  const FilterChipTemplate(super.blockName, super.fileName, super.tokens);
 
   static const String tokenGroup = 'md.comp.filter-chip';
   static const String variant = '.flat';

dev/tools/gen_defaults/lib/input_chip_template.dart

@@ -4,8 +4,8 @@
 
 import 'template.dart';
 
-class ChipInputTemplate extends TokenTemplate {
-  const ChipInputTemplate(super.blockName, super.fileName, super.tokens);
+class InputChipTemplate extends TokenTemplate {
+  const InputChipTemplate(super.blockName, super.fileName, super.tokens);
 
   static const String tokenGroup = 'md.comp.input-chip';
   static const String variant = '';