feat(market): one-time community-rules gate before joining the market, publishing or messaging

apps/app_seeds/test/ui/market_gate_test.dart

@@ -0,0 +1,91 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tane/i18n/strings.g.dart';
+import 'package:tane/services/onboarding_store.dart';
+import 'package:tane/ui/market_gate.dart';
+
+import '../support/test_support.dart';
+
+void main() {
+  Widget host(OnboardingStore store, void Function(bool) onResult) =>
+      TranslationProvider(
+        child: MaterialApp(
+          localizationsDelegates: GlobalMaterialLocalizations.delegates,
+          home: Builder(
+            builder: (context) => Center(
+              child: ElevatedButton(
+                onPressed: () async {
+                  onResult(await ensureMarketRulesAccepted(context, store));
+                },
+                child: const Text('enter'),
+              ),
+            ),
+          ),
+        ),
+      );
+
+  testWidgets('accepting persists the flag and returns true', (tester) async {
+    LocaleSettings.setLocaleSync(AppLocale.en);
+    final store = OnboardingStore(InMemorySecretStore());
+    bool? result;
+
+    await tester.pumpWidget(host(store, (r) => result = r));
+    await tester.tap(find.text('enter'));
+    await tester.pumpAndSettle();
+
+    expect(find.text('Before you join the market'), findsOneWidget);
+    await tester.tap(find.text('I agree'));
+    await tester.pumpAndSettle();
+
+    expect(result, isTrue);
+    expect(await store.marketRulesAccepted(), isTrue);
+
+    // Second entry: already accepted, no sheet.
+    result = null;
+    await tester.tap(find.text('enter'));
+    await tester.pumpAndSettle();
+    expect(find.text('Before you join the market'), findsNothing);
+    expect(result, isTrue);
+  });
+
+  testWidgets('declining returns false and persists nothing', (tester) async {
+    LocaleSettings.setLocaleSync(AppLocale.en);
+    final store = OnboardingStore(InMemorySecretStore());
+    bool? result;
+
+    await tester.pumpWidget(host(store, (r) => result = r));
+    await tester.tap(find.text('enter'));
+    await tester.pumpAndSettle();
+
+    await tester.tap(find.text('Not now'));
+    await tester.pumpAndSettle();
+
+    expect(result, isFalse);
+    expect(await store.marketRulesAccepted(), isFalse);
+  });
+
+  testWidgets('the sheet shows the three rules and the public note', (
+    tester,
+  ) async {
+    LocaleSettings.setLocaleSync(AppLocale.en);
+    await tester.pumpWidget(
+      TranslationProvider(
+        child: const MaterialApp(
+          localizationsDelegates: GlobalMaterialLocalizations.delegates,
+          home: Scaffold(body: MarketGateSheet()),
+        ),
+      ),
+    );
+    await tester.pump();
+
+    expect(find.text('Be honest about the seeds you offer'), findsOneWidget);
+    expect(
+      find.text("Only share what you're allowed to share where you live"),
+      findsOneWidget,
+    );
+    expect(find.text('Treat people well — no spam, no abuse'), findsOneWidget);
+    expect(find.textContaining('public'), findsWidgets);
+    expect(find.text('Privacy & rules'), findsOneWidget);
+  });
+}