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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>
87 lines
2.5 KiB
Dart
87 lines
2.5 KiB
Dart
import 'package:dio/dio.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:frontend/utils/api/api_error.dart';
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void main() {
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final options = RequestOptions(path: '/x');
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DioException dio(DioExceptionType type, {int? status}) => DioException(
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requestOptions: options,
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type: type,
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response: status == null
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? null
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: Response(requestOptions: options, statusCode: status),
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);
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test('maps shape errors', () {
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expect(
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dioErrorToUserMessage(TypeError()),
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'Unexpected response shape from backend.',
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);
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expect(
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dioErrorToUserMessage(const FormatException('bad')),
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'Unexpected response shape from backend.',
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);
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});
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test('maps non-Dio errors to a generic message', () {
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expect(dioErrorToUserMessage(Exception('boom')), 'Unexpected error.');
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});
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test('maps timeouts', () {
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expect(
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dioErrorToUserMessage(dio(DioExceptionType.connectionTimeout)),
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'Backend did not respond in time.',
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);
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expect(
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dioErrorToUserMessage(dio(DioExceptionType.receiveTimeout)),
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'Backend did not respond in time.',
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);
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});
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test('maps connection and certificate errors', () {
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expect(
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dioErrorToUserMessage(dio(DioExceptionType.connectionError)),
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'Cannot reach backend. Check the base URL and your network.',
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);
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expect(
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dioErrorToUserMessage(dio(DioExceptionType.badCertificate)),
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'Backend TLS certificate could not be verified.',
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);
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});
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test('maps bad responses by status code', () {
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expect(
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dioErrorToUserMessage(dio(DioExceptionType.badResponse, status: 401)),
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'Authentication failed. Check your API key in Settings.',
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);
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expect(
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dioErrorToUserMessage(dio(DioExceptionType.badResponse, status: 403)),
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'Authentication failed. Check your API key in Settings.',
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);
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expect(
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dioErrorToUserMessage(dio(DioExceptionType.badResponse, status: 404)),
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'Not found.',
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);
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expect(
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dioErrorToUserMessage(dio(DioExceptionType.badResponse, status: 503)),
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'Backend error (status 503). Please try again.',
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);
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expect(
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dioErrorToUserMessage(dio(DioExceptionType.badResponse, status: 418)),
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'Unexpected response from backend (status 418).',
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);
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});
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test('maps cancellation and unknown errors', () {
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expect(
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dioErrorToUserMessage(dio(DioExceptionType.cancel)),
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'Request canceled.',
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);
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expect(
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dioErrorToUserMessage(dio(DioExceptionType.unknown)),
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'Unexpected error contacting backend.',
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);
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});
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}
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