133 lines
4.2 KiB
Dart
133 lines
4.2 KiB
Dart
import 'dart:typed_data';
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import 'package:abawo_bt_app/model/firmware_file_selection.dart';
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import 'package:abawo_bt_app/model/shifter_types.dart';
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import 'package:abawo_bt_app/service/firmware_file_selection_service.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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group('FirmwareFileSelectionService', () {
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test('prepares v1 metadata for selected .bin firmware', () async {
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final service = FirmwareFileSelectionService(
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filePicker: _FakeFirmwareFilePicker(
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selection: FirmwarePickerSelection(
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fileName: 'firmware.BIN',
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filePath: '/tmp/firmware.BIN',
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fileBytes: Uint8List.fromList(<int>[1, 2, 3, 4]),
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),
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),
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sessionIdGenerator: () => 0x1AB,
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);
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final result = await service.selectAndPrepareDfuV1();
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expect(result.isSuccess, isTrue);
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final firmware = result.firmware!;
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expect(firmware.fileName, 'firmware.BIN');
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expect(firmware.filePath, '/tmp/firmware.BIN');
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expect(firmware.fileBytes, <int>[1, 2, 3, 4]);
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expect(firmware.metadata.totalLength, 4);
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expect(firmware.metadata.crc32, 0xB63CFBCD);
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expect(firmware.metadata.sessionId, 0xAB);
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expect(firmware.metadata.flags, universalShifterDfuFlagNone);
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});
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test('returns canceled result when user dismisses picker', () async {
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final service = FirmwareFileSelectionService(
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filePicker: _FakeFirmwareFilePicker(selection: null),
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);
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final result = await service.selectAndPrepareDfuV1();
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expect(result.isSuccess, isFalse);
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expect(result.isCanceled, isTrue);
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expect(result.failure?.reason, FirmwareSelectionFailureReason.canceled);
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});
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test('rejects unsupported extension', () async {
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final service = FirmwareFileSelectionService(
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filePicker: _FakeFirmwareFilePicker(
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selection: FirmwarePickerSelection(
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fileName: 'firmware.hex',
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fileBytes: Uint8List.fromList(<int>[1]),
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),
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),
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);
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final result = await service.selectAndPrepareDfuV1();
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expect(result.isSuccess, isFalse);
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expect(result.failure?.reason,
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FirmwareSelectionFailureReason.unsupportedExtension);
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});
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test('rejects empty payload', () async {
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final service = FirmwareFileSelectionService(
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filePicker: _FakeFirmwareFilePicker(
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selection: FirmwarePickerSelection(
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fileName: 'firmware.bin',
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fileBytes: Uint8List(0),
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),
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),
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);
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final result = await service.selectAndPrepareDfuV1();
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expect(result.isSuccess, isFalse);
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expect(result.failure?.reason, FirmwareSelectionFailureReason.emptyFile);
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});
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test('generates session id per run', () async {
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var nextSession = 9;
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final service = FirmwareFileSelectionService(
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filePicker: _FakeFirmwareFilePicker(
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selection: FirmwarePickerSelection(
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fileName: 'firmware.bin',
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fileBytes: Uint8List.fromList(<int>[10]),
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),
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),
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sessionIdGenerator: () => nextSession++,
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);
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final first = await service.selectAndPrepareDfuV1();
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final second = await service.selectAndPrepareDfuV1();
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expect(first.firmware?.metadata.sessionId, 9);
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expect(second.firmware?.metadata.sessionId, 10);
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});
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test('maps picker read failure to explicit validation error', () async {
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final service = FirmwareFileSelectionService(
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filePicker: _FakeFirmwareFilePicker(
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selection: null,
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error: const FormatException('broken pick payload'),
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),
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);
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final result = await service.selectAndPrepareDfuV1();
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expect(result.isSuccess, isFalse);
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expect(result.failure?.reason, FirmwareSelectionFailureReason.readFailed);
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expect(result.failure?.message, contains('broken pick payload'));
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});
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});
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}
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class _FakeFirmwareFilePicker implements FirmwareFilePicker {
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_FakeFirmwareFilePicker({
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required this.selection,
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this.error,
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});
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final FirmwarePickerSelection? selection;
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final Object? error;
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@override
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Future<FirmwarePickerSelection?> pickFirmwareFile() async {
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if (error != null) {
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throw error!;
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}
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return selection;
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}
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}
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