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Krzysztof kuhy Rudnicki
480a8bdd82
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design_system tests / test (push) Has been cancelled
Removing the action slot made the constructor const-invocable, so the test's `const EmptyState(...)` was evaluated at compile time and the constructor line never executed -- 99%, caught by the pre-push gate rather than by review, which is the point of having it. Building the message through a helper keeps the invocation non-const. That is also closer to real call sites, which interpolate runtime state into the string rather than passing a literal. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01XS1m7b1piBtAL22USLW6jL
71 lines
2.4 KiB
Dart
71 lines
2.4 KiB
Dart
import 'package:design_system/design_system.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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/// Built at runtime rather than inlined as a literal, so the `EmptyState`
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/// below cannot be const-folded: a const invocation is evaluated at compile
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/// time, so the constructor never executes and coverage silently drops.
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/// Real call sites interpolate runtime state into these strings anyway.
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String _message(int count) => 'Add your first item to get started ($count).';
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Future<void> _pumpEmptyState(WidgetTester tester) {
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return tester.pumpWidget(
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MaterialApp(
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theme: buildDarkTheme(),
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home: Scaffold(
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body: EmptyState(
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icon: Icons.inbox_outlined,
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title: 'Nothing here yet',
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message: _message(0),
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),
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),
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),
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);
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}
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void main() {
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testWidgets('shows the icon, title and message', (tester) async {
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await _pumpEmptyState(tester);
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expect(find.byIcon(Icons.inbox_outlined), findsOneWidget);
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expect(find.text('Nothing here yet'), findsOneWidget);
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expect(find.text(_message(0)), findsOneWidget);
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});
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testWidgets('draws the icon at the shared size in the muted color', (
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tester,
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) async {
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await _pumpEmptyState(tester);
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final icon = tester.widget<Icon>(find.byType(Icon));
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expect(icon.size, AppSpacing.xxl);
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expect(icon.color, buildDarkTheme().colorScheme.onSurfaceVariant);
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});
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testWidgets('mutes the message but not the title', (tester) async {
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await _pumpEmptyState(tester);
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final scheme = buildDarkTheme().colorScheme;
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final message = tester.widget<Text>(
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find.text(_message(0)),
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);
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expect(message.style?.color, scheme.onSurfaceVariant);
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expect(message.textAlign, TextAlign.center);
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final title = tester.widget<Text>(find.text('Nothing here yet'));
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expect(title.style?.color, isNot(scheme.onSurfaceVariant));
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});
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testWidgets('is a pure placeholder with no action', (tester) async {
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// Deliberate: no donor had an action slot, so adding one would be
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// speculative surface on a widget that has no consumer yet.
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await _pumpEmptyState(tester);
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expect(find.byType(ButtonStyleButton), findsNothing);
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});
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testWidgets('stays centred and shrink-wrapped', (tester) async {
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await _pumpEmptyState(tester);
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expect(find.byType(Center), findsWidgets);
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final column = tester.widget<Column>(find.byType(Column));
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expect(column.mainAxisSize, MainAxisSize.min);
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});
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}
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