84 lines
3.1 KiB
Dart
84 lines
3.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:qiangbao_accounting/widgets/avatar.dart';
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/// 头像组件的测试。
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///
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/// 重点是**不崩**和**不留裂图** —— 头像是从后端 /uploads 拉的，
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/// 文件被删、地址写错、网络断了都会走到 errorBuilder，
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/// 那时候必须退回默认图标，而不是显示一个裂开的图。
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void main() {
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Widget wrap(Widget child) => MaterialApp(home: Scaffold(body: child));
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group('Avatar 兜底', () {
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testWidgets('assetPath 为 null 时显示默认图标，不发起网络请求', (tester) async {
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await tester.pumpWidget(wrap(const Avatar(size: 40)));
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await tester.pump();
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// 没有 Image 组件 —— 说明压根没去加载图片
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expect(find.byType(Image), findsNothing);
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expect(tester.takeException(), isNull);
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});
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testWidgets('assetPath 为空串时也走默认图标', (tester) async {
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await tester.pumpWidget(wrap(const Avatar(assetPath: '', size: 40)));
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await tester.pump();
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expect(find.byType(Image), findsNothing);
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expect(tester.takeException(), isNull);
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});
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testWidgets('只有空白字符的路径也当没有（后端可能返回 " "）', (tester) async {
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await tester.pumpWidget(wrap(const Avatar(assetPath: ' ', size: 40)));
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await tester.pump();
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expect(find.byType(Image), findsNothing);
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expect(tester.takeException(), isNull);
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});
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testWidgets('★ 给了路径就渲染图片，且加载失败时不崩（退回默认图标）', (tester) async {
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await tester.pumpWidget(wrap(
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const Avatar(assetPath: 'persona/2026/09/29/x.jpg', size: 40),
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));
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await tester.pump();
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expect(find.byType(Image), findsOneWidget);
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// 测试环境里网络请求必然失败，会走 errorBuilder。
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// 这里断言的是「失败被接住了，没有把异常抛到 widget 树」
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await tester.pump(const Duration(milliseconds: 100));
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expect(tester.takeException(), isNull,
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reason: '图片加载失败必须被 errorBuilder 接住，不能抛异常');
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});
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});
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group('Avatar 尺寸', () {
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testWidgets('尺寸按传入值设置（聊天气泡和「我的」页面用不同大小）', (tester) async {
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await tester.pumpWidget(wrap(const Avatar(size: 36)));
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await tester.pump();
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final container = tester.widget<Container>(find.byType(Container).first);
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final size = container.constraints;
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expect(size?.maxWidth, 36);
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expect(size?.maxHeight, 36);
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});
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testWidgets('不同尺寸都不溢出', (tester) async {
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for (final s in [24.0, 36.0, 40.0, 60.0, 76.0]) {
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await tester.pumpWidget(wrap(Avatar(size: s)));
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await tester.pump();
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expect(tester.takeException(), isNull, reason: '尺寸 $s 出问题了');
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}
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});
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testWidgets('在很窄的容器里也不溢出', (tester) async {
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await tester.pumpWidget(wrap(
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const SizedBox(width: 40, height: 40, child: Avatar(size: 36)),
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));
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await tester.pump();
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expect(tester.takeException(), isNull);
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});
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});
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}
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