| // Copyright 2014 The Flutter Authors. 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:html' as html; |
| |
| import 'package:flutter/foundation.dart'; |
| import 'package:flutter/material.dart'; |
| import 'package:flutter/src/painting/_network_image_web.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| import '../image_data.dart'; |
| |
| void runTests() { |
| tearDown(() { |
| debugRestoreHttpRequestFactory(); |
| }); |
| |
| testWidgets('loads an image from the network with headers', |
| (WidgetTester tester) async { |
| final TestHttpRequest testHttpRequest = TestHttpRequest() |
| ..status = 200 |
| ..onLoad = Stream<html.ProgressEvent>.fromIterable(<html.ProgressEvent>[ |
| html.ProgressEvent('test error'), |
| ]) |
| ..response = (Uint8List.fromList(kTransparentImage)).buffer; |
| |
| httpRequestFactory = () { |
| return testHttpRequest; |
| }; |
| |
| const Map<String, String> headers = <String, String>{ |
| 'flutter': 'flutter', |
| 'second': 'second', |
| }; |
| |
| final Image image = Image.network( |
| 'https://www.example.com/images/frame.png', |
| headers: headers, |
| ); |
| |
| await tester.pumpWidget(image); |
| |
| assert(mapEquals(testHttpRequest.responseHeaders, headers), true); |
| }); |
| |
| testWidgets('loads an image from the network with unsuccessful HTTP code', |
| (WidgetTester tester) async { |
| final TestHttpRequest testHttpRequest = TestHttpRequest() |
| ..status = 404 |
| ..onError = Stream<html.ProgressEvent>.fromIterable(<html.ProgressEvent>[ |
| html.ProgressEvent('test error'), |
| ]); |
| |
| httpRequestFactory = () { |
| return testHttpRequest; |
| }; |
| |
| const Map<String, String> headers = <String, String>{ |
| 'flutter': 'flutter', |
| 'second': 'second', |
| }; |
| |
| final Image image = Image.network( |
| 'https://www.example.com/images/frame2.png', |
| headers: headers, |
| ); |
| |
| await tester.pumpWidget(image); |
| expect((tester.takeException() as html.ProgressEvent).type, 'test error'); |
| }); |
| |
| testWidgets('loads an image from the network with empty response', |
| (WidgetTester tester) async { |
| final TestHttpRequest testHttpRequest = TestHttpRequest() |
| ..status = 200 |
| ..onLoad = Stream<html.ProgressEvent>.fromIterable(<html.ProgressEvent>[ |
| html.ProgressEvent('test error'), |
| ]) |
| ..response = (Uint8List.fromList(<int>[])).buffer; |
| |
| httpRequestFactory = () { |
| return testHttpRequest; |
| }; |
| |
| const Map<String, String> headers = <String, String>{ |
| 'flutter': 'flutter', |
| 'second': 'second', |
| }; |
| |
| final Image image = Image.network( |
| 'https://www.example.com/images/frame3.png', |
| headers: headers, |
| ); |
| |
| await tester.pumpWidget(image); |
| expect(tester.takeException().toString(), |
| 'HTTP request failed, statusCode: 200, https://www.example.com/images/frame3.png'); |
| }); |
| } |
| |
| // ignore: avoid_implementing_value_types |
| class TestHttpRequest implements html.HttpRequest { |
| @override |
| String responseType = 'invalid'; |
| |
| @override |
| int? timeout = 10; |
| |
| @override |
| bool? withCredentials = false; |
| |
| @override |
| void abort() { |
| throw UnimplementedError(); |
| } |
| |
| @override |
| void addEventListener(String type, html.EventListener? listener, |
| [bool? useCapture]) { |
| throw UnimplementedError(); |
| } |
| |
| @override |
| bool dispatchEvent(html.Event event) { |
| throw UnimplementedError(); |
| } |
| |
| @override |
| String getAllResponseHeaders() { |
| throw UnimplementedError(); |
| } |
| |
| @override |
| String getResponseHeader(String name) { |
| throw UnimplementedError(); |
| } |
| |
| @override |
| html.Events get on => throw UnimplementedError(); |
| |
| @override |
| Stream<html.ProgressEvent> get onAbort => throw UnimplementedError(); |
| |
| @override |
| Stream<html.ProgressEvent> onError = |
| Stream<html.ProgressEvent>.fromIterable(<html.ProgressEvent>[]); |
| |
| @override |
| Stream<html.ProgressEvent> onLoad = |
| Stream<html.ProgressEvent>.fromIterable(<html.ProgressEvent>[]); |
| |
| @override |
| Stream<html.ProgressEvent> get onLoadEnd => throw UnimplementedError(); |
| |
| @override |
| Stream<html.ProgressEvent> get onLoadStart => throw UnimplementedError(); |
| |
| @override |
| Stream<html.ProgressEvent> get onProgress => throw UnimplementedError(); |
| |
| @override |
| Stream<html.Event> get onReadyStateChange => throw UnimplementedError(); |
| |
| @override |
| Stream<html.ProgressEvent> get onTimeout => throw UnimplementedError(); |
| |
| @override |
| void open(String method, String url, |
| {bool? async, String? user, String? password}) {} |
| |
| @override |
| void overrideMimeType(String mime) { |
| throw UnimplementedError(); |
| } |
| |
| @override |
| int get readyState => throw UnimplementedError(); |
| |
| @override |
| void removeEventListener(String type, html.EventListener? listener, |
| [bool? useCapture]) { |
| throw UnimplementedError(); |
| } |
| |
| @override |
| dynamic response; |
| |
| Map<String, String> headers = <String, String>{}; |
| |
| @override |
| Map<String, String> get responseHeaders => headers; |
| |
| @override |
| String get responseText => throw UnimplementedError(); |
| |
| @override |
| String get responseUrl => throw UnimplementedError(); |
| |
| @override |
| html.Document get responseXml => throw UnimplementedError(); |
| |
| @override |
| void send([dynamic bodyOrData]) {} |
| |
| @override |
| void setRequestHeader(String name, String value) { |
| headers[name] = value; |
| } |
| |
| @override |
| int status = -1; |
| |
| @override |
| String get statusText => throw UnimplementedError(); |
| |
| @override |
| html.HttpRequestUpload get upload => throw UnimplementedError(); |
| } |