| // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| @TestOn("vm") |
| |
| import "dart:convert"; |
| import "dart:io"; |
| |
| import "package:resource/resource.dart"; |
| import "package:test/test.dart"; |
| |
| const content = "Rødgrød med fløde"; |
| |
| main() { |
| var server; |
| var uri; |
| setUp(() async { |
| var addr = (await InternetAddress.lookup("localhost"))[0]; |
| server = await HttpServer.bind(addr, 0); |
| int port = server.port; |
| uri = Uri.parse("http://localhost:$port/default.html"); |
| server.forEach((HttpRequest request) { |
| if (request.uri.path.endsWith(".not")) { |
| request.response |
| ..statusCode = HttpStatus.notFound |
| ..close(); |
| return; |
| } |
| var encodings = request.headers[HttpHeaders.acceptCharsetHeader]; |
| var encoding = parseAcceptCharset(encodings); |
| request.response.headers.contentType = |
| new ContentType("text", "plain", charset: encoding.name); |
| if (request.uri.query.contains("length")) { |
| request.response.headers.contentLength = |
| encoding.encode(content).length; |
| } |
| request.response |
| ..write(content) |
| ..close(); |
| }).catchError((e, stack) { |
| print(e); |
| print(stack); |
| }); |
| }); |
| |
| test("Default encoding", () async { |
| var loader = ResourceLoader.defaultLoader; |
| String string = await loader.readAsString(uri); |
| expect(string, content); |
| }); |
| |
| test("Latin-1 encoding", () async { |
| var loader = ResourceLoader.defaultLoader; |
| String string = await loader.readAsString(uri, encoding: latin1); |
| expect(string, content); |
| }); |
| |
| test("Latin-1 encoding w/ length", () async { |
| // Regression test for issue #21. |
| var loader = ResourceLoader.defaultLoader; |
| var newUri = uri.replace(query: "length"); // Request length set. |
| String string = await loader.readAsString(newUri, encoding: latin1); |
| expect(string, content); |
| }); |
| |
| test("UTF-8 encoding", () async { |
| var loader = ResourceLoader.defaultLoader; |
| var newUri = uri.replace(query: "length"); // Request length set. |
| String string = await loader.readAsString(newUri, encoding: utf8); |
| expect(string, content); |
| }); |
| |
| test("UTF-8 encoding w/ length", () async { |
| var loader = ResourceLoader.defaultLoader; |
| String string = await loader.readAsString(uri, encoding: utf8); |
| expect(string, content); |
| }); |
| |
| test("bytes", () async { |
| var loader = ResourceLoader.defaultLoader; |
| List<int> bytes = await loader.readAsBytes(uri); // Sender uses Latin-1. |
| expect(bytes, content.codeUnits); |
| }); |
| |
| test("bytes w/ length", () async { |
| var loader = ResourceLoader.defaultLoader; |
| var newUri = uri.replace(query: "length"); // Request length set. |
| List<int> bytes = await loader.readAsBytes(newUri); // Sender uses Latin-1. |
| expect(bytes, content.codeUnits); |
| }); |
| |
| test("byte stream", () async { |
| var loader = ResourceLoader.defaultLoader; |
| var bytes = loader.openRead(uri); // Sender uses Latin-1. |
| var buffer = []; |
| await bytes.forEach(buffer.addAll); |
| expect(buffer, content.codeUnits); |
| }); |
| |
| test("not found - String", () async { |
| var loader = ResourceLoader.defaultLoader; |
| var badUri = uri.resolve("file.not"); // .not makes server fail. |
| expect(loader.readAsString(badUri), throwsException); |
| }); |
| |
| test("not found - bytes", () async { |
| var loader = ResourceLoader.defaultLoader; |
| var badUri = uri.resolve("file.not"); // .not makes server fail. |
| expect(loader.readAsBytes(badUri), throwsException); |
| }); |
| |
| test("not found - byte stream", () async { |
| var loader = ResourceLoader.defaultLoader; |
| var badUri = uri.resolve("file.not"); // .not makes server fail. |
| expect(loader.openRead(badUri).length, throwsException); |
| }); |
| |
| tearDown(() { |
| server.close(); |
| server = null; |
| }); |
| } |
| |
| Encoding parseAcceptCharset(List<String> headers) { |
| Encoding encoding = latin1; |
| if (headers != null) { |
| var weight = 0.0; |
| var pattern = new RegExp(r"([\w-]+)(;\s*q=[\d.]+)?"); |
| for (var acceptCharset in headers) { |
| for (var match in pattern.allMatches(acceptCharset)) { |
| var e = Encoding.getByName(match[1]); |
| if (e == null) continue; |
| var w = 1.0; |
| if (match[2] != null) { |
| w = double.parse(match[2]); |
| } |
| if (w > weight) { |
| weight = w; |
| encoding = e; |
| } |
| } |
| } |
| } |
| return encoding; |
| } |