| // Copyright (c) 2017, 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. |
| |
| import 'dart:async'; |
| import 'dart:convert'; |
| |
| import 'package:test/test.dart'; |
| |
| import 'package:http/src/message.dart'; |
| |
| /// A non-ASCII string. |
| final _nonAscii = "föøbãr"; |
| |
| /// The UTF-8 encoding of [_nonAscii]. |
| final _utf8Bytes = utf8.encode(_nonAscii); |
| |
| /// The Latin-1 encoding of [_nonAscii]. |
| final _latin1Bytes = latin1.encode(_nonAscii); |
| |
| /// The ASCII bytes in the string "hello,". |
| final _helloBytes = ascii.encode("hello,"); |
| |
| /// The ASCII bytes in the string " world". |
| final _worldBytes = ascii.encode(" world"); |
| |
| class _TestMessage extends Message { |
| _TestMessage(Map<String, String> headers, Map<String, Object> context, body, |
| Encoding encoding) |
| : super(body, headers: headers, context: context, encoding: encoding); |
| |
| Message change( |
| {Map<String, String> headers, Map<String, Object> context, body}) { |
| throw new UnimplementedError(); |
| } |
| } |
| |
| Message _createMessage( |
| {Map<String, String> headers, |
| Map<String, Object> context, |
| body, |
| Encoding encoding}) => |
| new _TestMessage(headers, context, body, encoding); |
| |
| void main() { |
| group('headers', () { |
| test('are case insensitive', () { |
| var message = _createMessage(headers: {'foo': 'bar'}); |
| |
| expect(message.headers, containsPair('foo', 'bar')); |
| expect(message.headers, containsPair('Foo', 'bar')); |
| expect(message.headers, containsPair('FOO', 'bar')); |
| }); |
| |
| test('default to a constant map', () { |
| var message = _createMessage(); |
| expect(message.headers, hasLength(1)); |
| expect(message.headers.containsKey('content-length'), isTrue); |
| expect(message.headers, same(_createMessage().headers)); |
| expect(() => message.headers['h1'] = 'value1', throwsUnsupportedError); |
| }); |
| |
| test('are immutable', () { |
| var message = _createMessage(headers: {'h1': 'value'}); |
| expect(() => message.headers['h1'] = 'value', throwsUnsupportedError); |
| }); |
| }); |
| |
| group('context', () { |
| test('is accessible', () { |
| var message = _createMessage(context: {'foo': 'bar'}); |
| expect(message.context, containsPair('foo', 'bar')); |
| }); |
| |
| test('defaults to an empty immutable map', () { |
| var message = _createMessage(); |
| expect(message.context, isEmpty); |
| expect(() => message.context['key'] = 'value', throwsUnsupportedError); |
| }); |
| |
| test('is immutable', () { |
| var message = _createMessage(context: {'key': 'value'}); |
| expect(() => message.context['key'] = 'value', throwsUnsupportedError); |
| }); |
| }); |
| |
| group("readAsString()", () { |
| test("returns an empty string for an empty body", () { |
| var message = _createMessage(); |
| expect(message.readAsString(), completion(isEmpty)); |
| }); |
| |
| test("collects a streamed body", () async { |
| var controller = new StreamController(); |
| var message = _createMessage(body: controller.stream); |
| expect(message.readAsString(), completion(equals("hello, world"))); |
| |
| controller.add(_helloBytes); |
| await pumpEventQueue(); |
| controller.add(_worldBytes); |
| controller.close(); |
| }); |
| |
| test("defaults to decoding the message as UTF-8", () { |
| var message = _createMessage(body: _utf8Bytes); |
| expect(message.readAsString(), completion(equals(_nonAscii))); |
| }); |
| }); |
| |
| group("readAsBytes()", () { |
| test("returns an empty list for an empty body", () { |
| var message = _createMessage(); |
| expect(message.readAsBytes(), completion(isEmpty)); |
| }); |
| |
| test("collects a streamed body", () async { |
| var controller = new StreamController(); |
| var message = _createMessage(body: controller.stream); |
| expect(message.readAsBytes(), |
| completion(equals([]..addAll(_helloBytes)..addAll(_worldBytes)))); |
| |
| controller.add(_helloBytes); |
| await pumpEventQueue(); |
| controller.add(_worldBytes); |
| controller.close(); |
| }); |
| }); |
| |
| group("read()", () { |
| test("returns an empty stream for an empty body", () { |
| var message = _createMessage(); |
| expect(message.read().toList(), completion(isEmpty)); |
| }); |
| |
| test("returns a streamed body", () async { |
| var controller = new StreamController(); |
| var message = _createMessage(body: controller.stream); |
| expect(message.read().toList(), |
| completion(equals([_helloBytes, _worldBytes]))); |
| |
| controller.add(_helloBytes); |
| await pumpEventQueue(); |
| controller.add(_worldBytes); |
| controller.close(); |
| }); |
| |
| test("returns a List<int> body", () { |
| var message = _createMessage(body: _helloBytes); |
| expect(message.read().toList(), completion(equals([_helloBytes]))); |
| }); |
| |
| test("throws when calling read()/readAsString() multiple times", () { |
| var message = _createMessage(); |
| expect(message.read().toList(), completion(isEmpty)); |
| expect(() => message.read(), throwsStateError); |
| |
| message = _createMessage(); |
| expect(message.readAsString(), completion(isEmpty)); |
| expect(() => message.readAsString(), throwsStateError); |
| |
| message = _createMessage(); |
| expect(message.readAsString(), completion(isEmpty)); |
| expect(() => message.read(), throwsStateError); |
| |
| message = _createMessage(); |
| expect(message.read().toList(), completion(isEmpty)); |
| expect(() => message.readAsString(), throwsStateError); |
| }); |
| }); |
| |
| group("content-length", () { |
| test("is 0 with a default body and without a content-length header", () { |
| var request = _createMessage(); |
| expect(request.contentLength, 0); |
| }); |
| |
| test("comes from a byte body", () { |
| var message = _createMessage(body: [1, 2, 3]); |
| expect(message.contentLength, 3); |
| expect(message.isEmpty, isFalse); |
| }); |
| |
| test("comes from a string body", () { |
| var message = _createMessage(body: 'foobar'); |
| expect(message.contentLength, 6); |
| expect(message.isEmpty, isFalse); |
| }); |
| |
| test("is set based on byte length for a string body", () { |
| var message = _createMessage(body: 'fööbär'); |
| expect(message.contentLength, 9); |
| expect(message.isEmpty, isFalse); |
| |
| message = _createMessage(body: 'fööbär', encoding: latin1); |
| expect(message.contentLength, 6); |
| expect(message.isEmpty, isFalse); |
| }); |
| |
| test("is null for a stream body", () { |
| var message = _createMessage(body: const Stream.empty()); |
| expect(message.contentLength, isNull); |
| }); |
| |
| test("uses the content-length header for a stream body", () { |
| var message = _createMessage( |
| body: const Stream.empty(), headers: {'content-length': '42'}); |
| expect(message.contentLength, 42); |
| expect(message.isEmpty, isFalse); |
| }); |
| |
| test("real body length takes precedence over content-length header", () { |
| var message = |
| _createMessage(body: [1, 2, 3], headers: {'content-length': '42'}); |
| expect(message.contentLength, 3); |
| expect(message.isEmpty, isFalse); |
| }); |
| |
| test("is null for a chunked transfer encoding", () { |
| var message = _createMessage( |
| body: "1\r\na0\r\n\r\n", headers: {'transfer-encoding': 'chunked'}); |
| expect(message.contentLength, isNull); |
| }); |
| |
| test("is null for a non-identity transfer encoding", () { |
| var message = _createMessage( |
| body: "1\r\na0\r\n\r\n", headers: {'transfer-encoding': 'custom'}); |
| expect(message.contentLength, isNull); |
| }); |
| |
| test("is set for identity transfer encoding", () { |
| var message = _createMessage( |
| body: "1\r\na0\r\n\r\n", headers: {'transfer-encoding': 'identity'}); |
| expect(message.contentLength, equals(9)); |
| expect(message.isEmpty, isFalse); |
| }); |
| }); |
| |
| group("mimeType", () { |
| test("is null without a content-type header", () { |
| expect(_createMessage().mimeType, isNull); |
| }); |
| |
| test("comes from the content-type header", () { |
| expect(_createMessage(headers: {'content-type': 'text/plain'}).mimeType, |
| equals('text/plain')); |
| }); |
| |
| test("doesn't include parameters", () { |
| expect( |
| _createMessage( |
| headers: {'content-type': 'text/plain; foo=bar; bar=baz'}) |
| .mimeType, |
| equals('text/plain')); |
| }); |
| }); |
| |
| group('encoding', () { |
| group('is null and content-type header is unchanged with', () { |
| group('no content-type header and', () { |
| test('no body', () { |
| var message = _createMessage(); |
| expect(message.encoding, isNull); |
| expect(message.headers, isNot(contains('content-type'))); |
| }); |
| |
| test('a plain ASCII body', () { |
| var message = _createMessage(body: "foo"); |
| expect(message.encoding, isNull); |
| expect(message.headers, isNot(contains('content-type'))); |
| }); |
| |
| test('body bytes', () { |
| var message = _createMessage(body: _utf8Bytes); |
| expect(message.encoding, isNull); |
| expect(message.headers, isNot(contains('content-type'))); |
| }); |
| }); |
| |
| group('an unknown content-type header and', () { |
| test('no body', () { |
| var message = _createMessage(headers: { |
| 'Content-Type': 'text/plain; charset=not-a-real-charset' |
| }); |
| expect(message.encoding, isNull); |
| expect( |
| message.headers, |
| containsPair( |
| 'content-type', 'text/plain; charset=not-a-real-charset')); |
| }); |
| |
| test('a plain ASCII body', () { |
| var message = _createMessage(body: "foo", headers: { |
| 'Content-Type': 'text/plain; charset=not-a-real-charset' |
| }); |
| expect(message.encoding, isNull); |
| expect( |
| message.headers, |
| containsPair( |
| 'content-type', 'text/plain; charset=not-a-real-charset')); |
| }); |
| |
| test('body bytes', () { |
| var message = _createMessage(body: _utf8Bytes, headers: { |
| 'Content-Type': 'text/plain; charset=not-a-real-charset' |
| }); |
| expect(message.encoding, isNull); |
| expect( |
| message.headers, |
| containsPair( |
| 'content-type', 'text/plain; charset=not-a-real-charset')); |
| expect(message.readAsString(), completion(equals(_nonAscii))); |
| }); |
| }); |
| }); |
| |
| group('defaults to UTF-8 with a non-ASCII body and', () { |
| test('no content-type header', () { |
| var message = _createMessage(body: _nonAscii); |
| expect(message.encoding, equals(utf8)); |
| expect( |
| message.headers, |
| containsPair( |
| 'content-type', 'application/octet-stream; charset=utf-8')); |
| expect(message.readAsBytes(), completion(equals(_utf8Bytes))); |
| }); |
| |
| test('a content-type header', () { |
| var message = _createMessage( |
| body: _nonAscii, |
| headers: {'Content-Type': 'text/plain; charset=iso-8859-1'}); |
| expect(message.encoding, equals(utf8)); |
| expect(message.headers, |
| containsPair('content-type', 'text/plain; charset=utf-8')); |
| expect(message.readAsBytes(), completion(equals(_utf8Bytes))); |
| }); |
| }); |
| |
| group('uses the encoding parameter with', () { |
| group('no content-type header and', () { |
| test('no body', () { |
| var message = _createMessage(encoding: latin1); |
| expect(message.encoding, equals(latin1)); |
| expect( |
| message.headers, |
| containsPair('content-type', |
| 'application/octet-stream; charset=iso-8859-1')); |
| }); |
| |
| test('a plain ASCII body', () { |
| var message = _createMessage(body: "foo", encoding: latin1); |
| expect(message.encoding, equals(latin1)); |
| expect( |
| message.headers, |
| containsPair('content-type', |
| 'application/octet-stream; charset=iso-8859-1')); |
| }); |
| |
| test('a non-ASCII body', () { |
| var message = _createMessage(body: _nonAscii, encoding: latin1); |
| expect(message.encoding, equals(latin1)); |
| expect( |
| message.headers, |
| containsPair('content-type', |
| 'application/octet-stream; charset=iso-8859-1')); |
| expect(message.readAsBytes(), completion(equals(_latin1Bytes))); |
| }); |
| |
| test('body bytes', () { |
| var message = _createMessage(encoding: latin1, body: _latin1Bytes); |
| expect(message.encoding, equals(latin1)); |
| expect( |
| message.headers, |
| containsPair('content-type', |
| 'application/octet-stream; charset=iso-8859-1')); |
| expect(message.readAsString(), completion(equals(_nonAscii))); |
| }); |
| }); |
| |
| test('a content-type header without a charset', () { |
| var message = _createMessage( |
| encoding: latin1, headers: {'Content-Type': 'text/plain'}); |
| expect(message.headers, |
| containsPair('content-type', 'text/plain; charset=iso-8859-1')); |
| }); |
| |
| group('a content-type header and', () { |
| test('no body', () { |
| var message = _createMessage( |
| encoding: latin1, |
| headers: {'Content-Type': 'text/plain; charset=utf-8'}); |
| expect(message.encoding, equals(latin1)); |
| expect(message.headers, |
| containsPair('content-type', 'text/plain; charset=iso-8859-1')); |
| }); |
| |
| test('a plain ASCII body', () { |
| var message = _createMessage( |
| body: "foo", |
| encoding: latin1, |
| headers: {'Content-Type': 'text/plain; charset=utf-8'}); |
| expect(message.encoding, equals(latin1)); |
| expect(message.headers, |
| containsPair('content-type', 'text/plain; charset=iso-8859-1')); |
| }); |
| |
| test('a non-ASCII body', () { |
| var message = _createMessage( |
| body: _nonAscii, |
| encoding: latin1, |
| headers: {'Content-Type': 'text/plain; charset=utf-8'}); |
| expect(message.encoding, equals(latin1)); |
| expect(message.headers, |
| containsPair('content-type', 'text/plain; charset=iso-8859-1')); |
| expect(message.readAsBytes(), completion(equals(_latin1Bytes))); |
| }); |
| |
| test('body bytes', () { |
| var message = _createMessage( |
| encoding: latin1, |
| body: _latin1Bytes, |
| headers: {'Content-Type': 'text/plain; charset=utf-8'}); |
| expect(message.encoding, equals(latin1)); |
| expect(message.headers, |
| containsPair('content-type', 'text/plain; charset=iso-8859-1')); |
| expect(message.readAsString(), completion(equals(_nonAscii))); |
| }); |
| }); |
| }); |
| |
| group('uses the content-type header with', () { |
| test('no body', () { |
| var message = _createMessage( |
| headers: {'Content-Type': 'text/plain; charset=iso-8859-1'}); |
| expect(message.encoding.name, equals(latin1.name)); |
| expect(message.headers, |
| containsPair('content-type', 'text/plain; charset=iso-8859-1')); |
| }); |
| |
| test('a plain ASCII body', () { |
| var message = _createMessage( |
| body: "foo", |
| headers: {'Content-Type': 'text/plain; charset=iso-8859-1'}); |
| expect(message.encoding.name, equals(latin1.name)); |
| expect(message.headers, |
| containsPair('content-type', 'text/plain; charset=iso-8859-1')); |
| }); |
| |
| test('body bytes', () { |
| var message = _createMessage( |
| body: _latin1Bytes, |
| headers: {'Content-Type': 'text/plain; charset=iso-8859-1'}); |
| expect(message.encoding.name, equals(latin1.name)); |
| expect(message.headers, |
| containsPair('content-type', 'text/plain; charset=iso-8859-1')); |
| expect(message.readAsString(), completion(equals(_nonAscii))); |
| }); |
| }); |
| }); |
| } |