Initial commit: CookIT recipe collection and week planner

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

test/recipes/ingredients_text_test.dart

@@ -0,0 +1,35 @@
+import 'package:cookit/src/recipes/ingredients_text.dart';
+import 'package:cookit/src/recipes/models/recipe.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:intl/date_symbol_data_local.dart';
+
+import '../support/fixtures.dart';
+
+void main() {
+  setUpAll(() => initializeDateFormatting('de'));
+
+  String label(String key) => {'gram': 'g', 'tablespoon': 'EL'}[key]!;
+
+  test('one Ingredient Line per line, groups separated by an empty line', () {
+    expect(
+      ingredientsAsText(recipe().ingredientGroups, label),
+      '300 g Mehl\n'
+      '2–3 EL Olivenöl (gutes)\n'
+      '\n'
+      'Rosmarin',
+    );
+  });
+
+  test('scaled amounts and empty groups', () {
+    final groups = [
+      const IngredientGroup(lines: []),
+      const IngredientGroup(lines: [IngredientLine(amount: 1, name: 'Ei')]),
+    ];
+    expect(
+      ingredientsAsText([
+        for (final g in groups) IngredientGroup(lines: [for (final l in g.lines) l.scaled(1.5)]),
+      ], label),
+      '1½ Ei',
+    );
+  });
+}