运行颤振单元测试时出现以下错误。
00:05 +1：... /home/kazekage/Projects/flutter/flutter_woocommerce/test/model/util/Refund_test.dart Shell：[错误：flutter / shell / common / shell.cc（184）] Dart错误：错误： dart进口：带镜子 --enable-mirrors = false Shell：[错误：flutter / shell / common / engine.cc（175）]无法准备运行 隔离。 Shell：[ERROR：flutter / shell / common / engine.cc（122）]引擎 不准备并启动隔离。贝壳： [错误：flutter / shell / testing / tester_main.cc（199）]无法启动 配置引擎。 00:05 +1 -1：加载 /home/kazekage/Projects/flutter/flutter_woocommerce/test/model/util/Refund_test.dart [E]加载失败 “ /home/kazekage/Projects/flutter/flutter_woocommerce/test/model/util/Refund_test.dart”： Shell子进程在连接到测试之前干净地报告了一个错误 马具。检查上面的日志以获取错误消息。测试： /home/kazekage/Projects/flutter/flutter_woocommerce/test/model/util/Refund_test.dart 贝壳： /home/kazekage/Development/flutter_linux_v1.2.1-stable/flutter/bin/cache/artifacts/engine/linux/x64/flutter_tester Shell：[错误：flutter / shell / common / shell.cc（184）] Dart错误：错误：使用以下命令导入了dart：mirrors --enable-mirrors = false Shell：[错误：flutter / shell / common / engine.cc（175）]无法准备运行 隔离。 Shell：[ERROR：flutter / shell / common / engine.cc（122）]引擎 不准备并启动隔离。贝壳： [错误：flutter / shell / testing / tester_main.cc（199）]无法启动 配置引擎。 00:05 +1 -2：加载 /home/kazekage/Projects/flutter/flutter_woocommerce/test/model/util/LineItem_test.dart [E]加载失败 “ /home/kazekage/Projects/flutter/flutter_woocommerce/test/model/util/LineItem_test.dart”： Shell子进程在连接到测试之前干净地报告了一个错误 马具。检查上面的日志以获取错误消息。测试： /home/kazekage/Projects/flutter/flutter_woocommerce/test/model/util/LineItem_test.dart 贝壳： /home/kazekage/Development/flutter_linux_v1.2.1-stable/flutter/bin/cache/artifacts/engine/linux/x64/flutter_tester Shell：[错误：flutter / shell / common / shell.cc（184）] Dart错误：错误：使用以下命令导入了dart：mirrors --enable-mirrors = false Shell：[错误：flutter / shell / common / engine.cc（175）]无法准备运行 隔离。 Shell：[ERROR：flutter / shell / common / engine.cc（122）]引擎 不准备并启动隔离。贝壳： [错误：flutter / shell / testing / tester_main.cc（199）]无法启动 配置引擎。 00:06 +1 -3：加载 /home/kazekage/Projects/flutter/flutter_woocommerce/test/model/util/ShippingLine_test.dart [E]加载失败 “ /home/kazekage/Projects/flutter/flutter_woocommerce/test/model/util/ShippingLine_test.dart”： Shell子进程在连接到测试之前干净地报告了一个错误 马具。检查上面的日志以获取错误消息。测试： /home/kazekage/Projects/flutter/flutter_woocommerce/test/model/util/ShippingLine_test.dart 贝壳： /home/kazekage/Development/flutter_linux_v1.2.1-stable/flutter/bin/cache/artifacts/engine/linux/x64/flutter_tester
pubsec.yml
name: flutter_woocommerce
description: A new Flutter package project.
version: 0.0.1
author:
homepage:
environment:
sdk: ">=2.1.0 <3.0.0"
dependencies:
flutter:
sdk: flutter
dio: ^2.1.6
built_value: ^6.6.0
built_value_generator: ^6.6.0
built_collection: ^4.2.2
dev_dependencies:
flutter_test:
sdk: flutter
mockito: ^4.0.0
build_runner: ^1.5.0
source_gen: ^0.9.4+2
# For information on the generic Dart part of this file, see the
# following page: https://www.dartlang.org/tools/pub/pubspec
# The following section is specific to Flutter.
flutter:
# To add assets to your package, add an assets section, like this:
# assets:
# - images/a_dot_burr.jpeg
# - images/a_dot_ham.jpeg
#
# For details regarding assets in packages, see
# https://flutter.io/assets-and-images/#from-packages
#
# An image asset can refer to one or more resolution-specific "variants", see
# https://flutter.io/assets-and-images/#resolution-aware.
# To add custom fonts to your package, add a fonts section here,
# in this "flutter" section. Each entry in this list should have a
# "family" key with the font family name, and a "fonts" key with a
# list giving the asset and other descriptors for the font. For
# example:
# fonts:
# - family: Schyler
# fonts:
# - asset: fonts/Schyler-Regular.ttf
# - asset: fonts/Schyler-Italic.ttf
# style: italic
# - family: Trajan Pro
# fonts:
# - asset: fonts/TrajanPro.ttf
# - asset: fonts/TrajanPro_Bold.ttf
# weight: 700
#
# For details regarding fonts in packages, see
# https://flutter.io/custom-fonts/#from-packages
颤抖的医生
[✓] Flutter (Channel stable, v1.5.4-hotfix.2, on Linux, locale en_US.UTF-8)
[✓] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
[✓] Android Studio (version 3.4)
[!] IntelliJ IDEA Ultimate Edition (version 2018.3)
✗ Flutter plugin not installed; this adds Flutter specific functionality.
✗ Dart plugin not installed; this adds Dart specific functionality.
[✓] VS Code (version 1.35.0)
[!] Connected device
! No devices available
! Doctor found issues in 2 categories.
Tag.dart
import 'package:built_value/built_value.dart';
import 'package:built_value/serializer.dart';
import 'package:flutter_woocommerce/model/util/Link.dart';
part 'Tag.g.dart';
abstract class Tag implements Built<Tag, TagBuilder> {
static Serializer<Tag> get serializer => _$tagSerializer;
int get id;
String get name;
String get slug;
@nullable
String get description;
@nullable
int get count;
@nullable
@BuiltValueField(wireName: '_links')
Link get links;
Tag._();
factory Tag([updates(TagBuilder b)]) = _$Tag;
}
Tag_test.dart
import 'package:flutter_test/flutter_test.dart';
import 'dart:convert';
import 'package:built_collection/built_collection.dart';
import 'package:flutter_woocommerce/test_strings.dart';
import 'package:flutter_woocommerce/model/Serializers.dart';
import 'package:flutter_woocommerce/model/Tag.dart';
import 'package:flutter_woocommerce/model/util/Link.dart';
void main() {
final parsedJson = json.decode(TestStrings.TAG_JSON);
Tag tag = serializers.deserializeWith(Tag.serializer, parsedJson);
test('id', () {
expect(tag.id, 32);
});
test('name', () {
expect(tag.name, 'Telephone');
});
test('slug', () {
expect(tag.slug, 'telephone');
});
test('description', () {
expect(tag.description, '');
});
test('count', (){
expect(tag.count, 0);
});
test('_links is Link Object', () {
expect(tag.links, isInstanceOf<Link>());
});
test('_links > self is href[]', () {
expect(tag.links.self, isInstanceOf<BuiltList<Href>>());
});
test('_links > collection is href[]', () {
expect(tag.links.collection, isInstanceOf<BuiltList<Href>>());
});
test('_links > collection > href value', () {
expect(tag.links.collection.first.href, 'http://paathsala-wp.test/wp-json/wc/v2/products/tags');
});
}
答案 0 :(得分：1)
问题是您正在尝试使用反射（dart：mirror），这在Flutter中是不可能的，因为：
“由于反射默认使所有代码都隐式使用，因此会干扰树的摇动。” Source
我相信它与built_value_generator dart软件包提供的JSON序列化有关。
答案 1 :(得分：0)
似乎我在一个模型类中导入了错误的库。一旦我删除了图书馆
import 'package:built_collection/built_collection.dart';
所有测试都通过了。