85 lines
2.3 KiB
Dart
85 lines
2.3 KiB
Dart
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import 'dart:io';
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import 'dart:typed_data';
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import 'package:http/http.dart' as http;
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import 'package:http/testing.dart';
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import 'package:swarm/swarm.dart';
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import 'package:test/test.dart';
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void main() {
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late Directory tmpDir;
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setUp(() async {
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tmpDir = await Directory.systemTemp.createTemp('file_download_test_');
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});
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tearDown(() async {
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await tmpDir.delete(recursive: true);
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});
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FileDownloadActor makeActor(http.Client client) => FileDownloadActor(
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fileActor: FileActor(),
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httpClient: client,
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);
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test('returns FileDownloaded with correct savePath', () async {
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final client = MockClient(
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(_) async => http.Response.bytes([1, 2, 3], 200),
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);
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final path = '${tmpDir.path}/output.bin';
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final result = await makeActor(client).handle(
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DownloadFile(url: 'https://example.com/file', savePath: path),
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);
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expect(result, isA<FileDownloaded>());
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expect((result as FileDownloaded).savePath, equals(path));
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});
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test('saves correct bytes to disk', () async {
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final bytes = Uint8List.fromList([0xDE, 0xAD, 0xBE, 0xEF]);
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final client = MockClient(
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(_) async => http.Response.bytes(bytes, 200),
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);
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final path = '${tmpDir.path}/data.bin';
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await makeActor(client).handle(
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DownloadFile(url: 'https://example.com/file', savePath: path),
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);
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expect(await File(path).readAsBytes(), equals(bytes));
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});
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test('sends GET request to the correct URL', () async {
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http.Request? captured;
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final client = MockClient((request) async {
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captured = request;
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return http.Response.bytes([0], 200);
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});
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await makeActor(client).handle(
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DownloadFile(
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url: 'https://example.com/assets/image.png',
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savePath: '${tmpDir.path}/image.png',
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),
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);
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expect(captured!.method, equals('GET'));
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expect(
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captured!.url.toString(),
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equals('https://example.com/assets/image.png'),
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);
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});
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test('non-2xx response throws', () async {
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for (final status in [400, 403, 404, 500]) {
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final client = MockClient(
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(_) async => http.Response.bytes([], status),
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);
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await expectLater(
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makeActor(client).handle(
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DownloadFile(
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url: 'https://example.com/file',
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savePath: '${tmpDir.path}/out.bin',
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),
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),
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throwsA(isA<Exception>()),
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);
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}
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});
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}
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