| // Copyright (c) 2014, 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. |
| |
| library shelf.message_change_test; |
| |
| import 'package:unittest/unittest.dart'; |
| |
| import 'package:shelf/shelf.dart'; |
| import 'package:shelf/src/message.dart'; |
| |
| import 'test_util.dart'; |
| |
| void main() { |
| group('Request', () { |
| _testChange(({headers, context}) { |
| return new Request('GET', LOCALHOST_URI, headers: headers, |
| context: context); |
| }); |
| }); |
| |
| group('Response', () { |
| _testChange(({headers, context}) { |
| return new Response.ok(null, headers: headers, |
| context: context); |
| }); |
| }); |
| } |
| |
| /// Shared test method used by [Request] and [Response] tests to validate |
| /// the behavior of `change` with different `headers` and `context` values. |
| void _testChange(Message factory({Map<String, String> headers, |
| Map<String, Object> context})) { |
| test('with empty headers returns indentical instance', () { |
| var request = factory(headers: {'header1': 'header value 1'}); |
| var copy = request.change(headers: {}); |
| |
| expect(copy.headers, same(request.headers)); |
| }); |
| |
| test('with empty context returns identical instance', () { |
| var request = factory(context: {'context1': 'context value 1'}); |
| var copy = request.change(context: {}); |
| |
| expect(copy.context, same(request.context)); |
| }); |
| |
| test('new header values are added', () { |
| var request = factory(headers: {'test':'test value'}); |
| var copy = request.change(headers: {'test2': 'test2 value'}); |
| |
| expect(copy.headers, {'test':'test value', 'test2':'test2 value'}); |
| }); |
| |
| test('existing header values are overwritten', () { |
| var request = factory(headers: {'test':'test value'}); |
| var copy = request.change(headers: {'test': 'new test value'}); |
| |
| expect(copy.headers, {'test':'new test value'}); |
| }); |
| |
| test('new context values are added', () { |
| var request = factory(context: {'test':'test value'}); |
| var copy = request.change(context: {'test2': 'test2 value'}); |
| |
| expect(copy.context, {'test':'test value', 'test2':'test2 value'}); |
| }); |
| |
| test('existing context values are overwritten', () { |
| var request = factory(context: {'test':'test value'}); |
| var copy = request.change(context: {'test': 'new test value'}); |
| |
| expect(copy.context, {'test':'new test value'}); |
| }); |
| } |