Add wasm dry run event to unified analytics.

pkgs/unified_analytics/CHANGELOG.md

@@ -1,3 +1,6 @@
+## 8.0.4
+- Changed `Event.flutterWasmDryRun` to track dart2wasm dry run metrics from Flutter.
+
 ## 8.0.3
 - Changed `Event.contextStructure` to make optional data that's no longer being
   collected and to add data about the size of library cycles.

pkgs/unified_analytics/lib/src/enums.dart

@@ -103,6 +103,11 @@ enum DashEvent {
     description: 'Provides information about flutter commands that ran',
     toolOwner: DashTool.flutterTool,
   ),
+  flutterWasmDryRun(
+    label: 'wasm_dry_run',
+    description: 'Information for a dart2wasm dry run invoked from Flutter',
+    toolOwner: DashTool.flutterTool,
+  ),
   flutterInjectDarwinPlugins(
     label: 'flutter_inject_darwin_plugins',
     description: 'Information on plugins injected into an iOS/macOS project',

pkgs/unified_analytics/lib/src/event.dart

@@ -567,6 +567,19 @@ final class Event {
           },
         );
 
+  Event.flutterWasmDryRun({
+    required String result,
+    required int exitCode,
+    String? findingsSummary,
+  }) : this._(
+         eventName: DashEvent.flutterWasmDryRun,
+         eventData: {
+           'result': result,
+           'exitCode': result,
+           if (findingsSummary != null) 'findings': findingsSummary,
+         },
+       );
+
   /// Provides information about the plugins injected into an iOS or macOS
   /// project.
   ///

pkgs/unified_analytics/pubspec.yaml

@@ -5,7 +5,7 @@ description: >-
 # LINT.IfChange
 # When updating this, keep the version consistent with the changelog and the
 # value in lib/src/constants.dart.
-version: 8.0.3
+version: 8.0.4
 # LINT.ThenChange(lib/src/constants.dart)
 repository: https://github.com/dart-lang/tools/tree/main/pkgs/unified_analytics
 issue_tracker: https://github.com/dart-lang/tools/issues?q=is%3Aissue+is%3Aopen+label%3Apackage%3Aunified_analytics

pkgs/unified_analytics/test/event_test.dart

@@ -400,6 +400,50 @@ void main() {
     expect(constructedEvent.eventData.length, 4);
   });
 
+  test('Event.flutterWasmDryRun constructed', () {
+    Event generateEventNoFindings() => Event.flutterWasmDryRun(
+          result: 'success',
+          exitCode: 123,
+        );
+
+    final constructedEvent1 = generateEventNoFindings();
+
+    expect(generateEventNoFindings, returnsNormally);
+    expect(constructedEvent1.eventName, DashEvent.flutterWasmDryRun);
+    expect(constructedEvent1.eventData['result'], 'success');
+    expect(constructedEvent1.eventData['exitCode'], 123);
+    expect(constructedEvent1.eventData.length, 2);
+  });
+  test('Event.flutterWasmDryRun constructed', () {
+    Event generateEventNoFindings() => Event.flutterWasmDryRun(
+          result: 'success',
+          exitCode: 123,
+        );
+
+    final constructedEvent1 = generateEventNoFindings();
+
+    expect(generateEventNoFindings, returnsNormally);
+    expect(constructedEvent1.eventName, DashEvent.flutterWasmDryRun);
+    expect(constructedEvent1.eventData['result'], 'success');
+    expect(constructedEvent1.eventData['exitCode'], 123);
+    expect(constructedEvent1.eventData.length, 2);
+
+    Event generateEventFindings() => Event.flutterWasmDryRun(
+          result: 'success',
+          exitCode: 123,
+          findingsSummary: '1,2,3'
+        );
+
+    final constructedEvent2 = generateEventFindings();
+
+    expect(generateEventFindings, returnsNormally);
+    expect(constructedEvent2.eventName, DashEvent.flutterWasmDryRun);
+    expect(constructedEvent2.eventData['result'], 'success');
+    expect(constructedEvent2.eventData['exitCode'], 123);
+    expect(constructedEvent2.eventData['findingsSummary'], '1,2,3');
+    expect(constructedEvent2.eventData.length, 3);
+  });
+
   test('Event.flutterInjectDarwinPlugins constructed', () {
     Event generateEvent() => Event.flutterInjectDarwinPlugins(
           platform: 'ios',