Use enum

packages/devtools_app/pubspec.yaml

@@ -177,3 +177,5 @@ dependency_overrides:
     path: ../devtools_test
   devtools_extensions:
     path: ../devtools_extensions
+  web_benchmarks:
+    path: ../../../packages/packages/web_benchmarks

packages/devtools_app/test_benchmarks/devtools_benchmarks_test.dart

@@ -47,9 +47,12 @@ Future<void> main() async {
 
       stdout.writeln('Web benchmark tests finished.');
 
-      expect(taskResult.scores.keys, hasLength(benchmarkList.length));
+      expect(
+        taskResult.scores.keys,
+        hasLength(DevToolsBenchmark.values.length),
+      );
 
-      for (final benchmarkName in benchmarkList) {
+      for (final benchmarkName in DevToolsBenchmark.values.map((e) => e.id)) {
         expect(
           taskResult.scores[benchmarkName],
           hasLength(metricList.length * valueList.length + 1),

packages/devtools_app/test_benchmarks/test_infra/client.dart

@@ -10,7 +10,9 @@ import 'devtools_recorder.dart';
 typedef RecorderFactory = Recorder Function();
 
 final Map<String, RecorderFactory> benchmarks = <String, RecorderFactory>{
-  devtoolsPageLoadPerf: () => DevToolsRecorder(benchmarkName: devtoolsPageLoadPerf),
+  DevToolsBenchmark.navigateThroughOfflineScreens.id: () => DevToolsRecorder(
+        benchmark: DevToolsBenchmark.navigateThroughOfflineScreens,
+      ),
 };
 
 /// Runs the client of the DevTools web benchmarks.

packages/devtools_app/test_benchmarks/test_infra/common.dart

@@ -4,8 +4,6 @@
 
 const String devtoolsBenchmarkPrefix = 'devtools';
 
-const String devtoolsPageLoadPerf = '${devtoolsBenchmarkPrefix}_page_load_perf';
-
 /// The initial page to load upon opening the DevTools benchmark app or
 /// reloading it in Chrome.
 //
@@ -14,6 +12,8 @@ const String devtoolsPageLoadPerf = '${devtoolsBenchmarkPrefix}_page_load_perf';
 // found" in DevTools.
 const String benchmarkInitialPage = '';
 
-const benchmarkList = <String>[
-  devtoolsPageLoadPerf,
-];
+enum DevToolsBenchmark {
+  navigateThroughOfflineScreens;
+
+  String get id => '${devtoolsBenchmarkPrefix}_$name';
+}

packages/devtools_app/test_benchmarks/test_infra/devtools_automator.dart

@@ -7,17 +7,18 @@ import 'package:devtools_test/helpers.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 
+import 'common.dart';
 import 'scroll.dart';
 
 /// A class that automates the DevTools web app.
 class DevToolsAutomater {
   DevToolsAutomater({
-    required this.benchmarkName,
+    required this.benchmark,
     required this.stopWarmingUpCallback,
   });
 
-  /// The name of the current benchmark.
-  final String benchmarkName;
+  /// The current benchmark.
+  final DevToolsBenchmark benchmark;
 
   /// A function to call when warm-up is finished.
   ///
@@ -45,12 +46,10 @@ class DevToolsAutomater {
   Future<void> automateDevToolsGestures() async {
     await warmUp();
 
-    _logStatus('==== Navigate through DevTools tabs ====');
-    await navigateThroughDevToolsScreens(
-      controller,
-      runWithExpectations: false,
-    );
-    _logStatus('==== End of navigate through DevTools tabs ====');
+    switch (benchmark) {
+      case DevToolsBenchmark.navigateThroughOfflineScreens:
+        await _handleNavigateThroughOfflineScreens();
+    }
 
     // At the end of the test, mark as finished.
     finished = true;
@@ -76,6 +75,14 @@ class DevToolsAutomater {
 
     _logStatus('Warm-up finished.');
   }
+
+  Future<void> _handleNavigateThroughOfflineScreens() async {
+    _logStatus('==== Navigate through offline DevTools tabs ====');
+    await navigateThroughDevToolsScreens(
+      controller,
+      runWithExpectations: false,
+    );
+    _logStatus('==== End navigate through offline DevTools tabs ====');
 }
 
 void _logStatus(String log) {

packages/devtools_app/test_benchmarks/test_infra/devtools_recorder.dart

@@ -6,17 +6,18 @@ import 'package:devtools_app/initialization.dart';
 import 'package:flutter/material.dart';
 import 'package:web_benchmarks/client.dart';
 
+import 'common.dart';
 import 'devtools_automator.dart';
 
 /// A recorder that measures frame building durations for the DevTools.
 class DevToolsRecorder extends WidgetRecorder {
-  DevToolsRecorder({required this.benchmarkName})
-      : super(name: benchmarkName, useCustomWarmUp: true);
+  DevToolsRecorder({required this.benchmark})
+      : super(name: benchmark.id, useCustomWarmUp: true);
 
   /// The name of the DevTools benchmark to be run.
   ///
   /// See `common.dart` for the list of the names of all benchmarks.
-  final String benchmarkName;
+  final DevToolsBenchmark benchmark;
 
   DevToolsAutomater? _devToolsAutomator;
   bool get _finished => _devToolsAutomator?.finished ?? false;
@@ -29,7 +30,7 @@ class DevToolsRecorder extends WidgetRecorder {
   @override
   Widget createWidget() {
     _devToolsAutomator = DevToolsAutomater(
-      benchmarkName: benchmarkName,
+      benchmark: benchmark,
       stopWarmingUpCallback: profile.stopWarmingUp,
     );
     return _devToolsAutomator!.createWidget();