74 lines
2 KiB
Dart
74 lines
2 KiB
Dart
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// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'package:shelf/shelf.dart';
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import 'package:test/test.dart';
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import 'test_util.dart';
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void main() {
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var accessLocation = 0;
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setUp(() {
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accessLocation = 0;
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});
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Handler middlewareA(Handler innerHandler) => (request) {
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expect(accessLocation, 0);
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accessLocation = 1;
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final response = innerHandler(request);
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expect(accessLocation, 4);
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accessLocation = 5;
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return response;
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};
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Handler middlewareB(Handler innerHandler) => (request) {
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expect(accessLocation, 1);
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accessLocation = 2;
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final response = innerHandler(request);
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expect(accessLocation, 3);
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accessLocation = 4;
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return response;
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};
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Response innerHandler(Request request) {
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expect(accessLocation, 2);
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accessLocation = 3;
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return syncHandler(request);
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}
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test('compose middleware with Pipeline', () async {
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var handler = const Pipeline()
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.addMiddleware(middlewareA)
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.addMiddleware(middlewareB)
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.addHandler(innerHandler);
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final response = await makeSimpleRequest(handler);
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expect(response, isNotNull);
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expect(accessLocation, 5);
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});
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test('extensions for composition', () async {
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var handler =
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middlewareA.addMiddleware(middlewareB).addHandler(innerHandler);
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final response = await makeSimpleRequest(handler);
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expect(response, isNotNull);
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expect(accessLocation, 5);
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});
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test('Pipeline can be used as middleware', () async {
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var innerPipeline =
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const Pipeline().addMiddleware(middlewareA).addMiddleware(middlewareB);
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var handler = const Pipeline()
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.addMiddleware(innerPipeline.middleware)
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.addHandler(innerHandler);
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final response = await makeSimpleRequest(handler);
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expect(response, isNotNull);
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expect(accessLocation, 5);
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});
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}
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