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rzuastiandClaude Opus 4.8
98b5fa267f
Introduce a headless `flutter test` suite (83 tests) covering models, utilities, every API endpoint, and the five screens, with shared helpers and fixtures so new tests stay terse. API endpoint methods are statically-dispatched extensions on the BackendAPI singleton, so they cannot be mocked via `implements`. Mock at the Dio HTTP-adapter layer (http_mock_adapter) instead, enabled by two small @visibleForTesting seams: BackendAPI.dioForTesting swaps the singleton's Dio, and BackendReachability.forceOnlineForTesting() forces a deterministic online state so polling widgets load. Add frontend/run_tests.sh and document it in CLAUDE.md. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
71 lines
1.9 KiB
Dart
71 lines
1.9 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:frontend/widgets/device_summary_card.dart';
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import 'package:http_mock_adapter/http_mock_adapter.dart';
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import '../helpers/backend_test_harness.dart';
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import '../helpers/fixtures.dart';
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import '../helpers/pump_app.dart';
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void main() {
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late DioAdapter adapter;
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setUp(() async {
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adapter = await setUpBackendForTest();
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});
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testWidgets('shows a loading spinner before the summary arrives',
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(tester) async {
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adapter.onGet(
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'/devices/summary',
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(server) => server.reply(200, deviceSummaryJson()),
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);
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await pumpScreen(tester, const DeviceSummaryCard());
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expect(find.byType(CircularProgressIndicator), findsOneWidget);
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// Let the in-flight request resolve so no Dio timer is left pending.
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await pumpUntilFound(tester, find.byType(Divider));
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await tearDownTree(tester);
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});
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testWidgets('renders the summary numbers after loading', (tester) async {
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adapter.onGet(
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'/devices/summary',
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(server) => server.reply(
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200,
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deviceSummaryJson(totalRegistered: 12, seenLastDayRegistered: 3),
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),
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);
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await pumpScreen(tester, const DeviceSummaryCard());
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await pumpUntilFound(tester, find.text('12'));
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expect(find.text('12'), findsOneWidget);
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expect(find.text('3'), findsWidgets);
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await tearDownTree(tester);
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});
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testWidgets('shows the error message when the request fails', (tester) async {
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adapter.onGet(
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'/devices/summary',
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(server) => server.reply(500, {'error': 'boom'}),
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);
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await pumpScreen(tester, const DeviceSummaryCard());
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await pumpUntilFound(
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tester,
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find.textContaining('Backend error (status 500)'),
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);
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expect(
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find.textContaining('Backend error (status 500)'),
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findsOneWidget,
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);
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await tearDownTree(tester);
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});
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}
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