The Garage SDKs, in the open

garage_auth, garage_entitlements, garage_iap and garage_ui, moved out of Garage-Services and Metro-Map-Maker into one public repo. MIT, one readme, docs under docs/. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013F4NWNvYcdeSgqbWMT1VQ7
2026-09-23 18:49:21 +01:00
commit b269201919
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+import "package:flutter/widgets.dart";
+import "package:flutter_test/flutter_test.dart";
+import "package:garage_ui/garage_ui.dart";
+
+import "support/test_scheme.dart";
+
+Widget _host(Density density, Widget child) => Directionality(
+  textDirection: TextDirection.ltr,
+  child: GarageTheme(
+    data: ThemeData(colorScheme: testScheme, density: density),
+    child: Column(children: [child]),
+  ),
+);
+
+void main() {
+  for (final density in const [Density(), Density.normal()]) {
+    testWidgets("${density.control.name}: Gap.md takes its extent from the theme",
+        (tester) async {
+      await tester.pumpWidget(_host(density, const Gap.md()));
+      expect(tester.getSize(find.byType(Gap)).height, density.gapMd);
+    });
+  }
+
+  testWidgets("a literal Gap still wins over the scale", (tester) async {
+    await tester.pumpWidget(_host(const Density(), const Gap(17)));
+    expect(tester.getSize(find.byType(Gap)).height, 17.0);
+  });
+
+  _outsideFlex();
+
+  testWidgets("the same Gap.md moves when the density does", (tester) async {
+    await tester.pumpWidget(_host(const Density(), const Gap.md()));
+    final compact = tester.getSize(find.byType(Gap)).height;
+    await tester.pumpWidget(_host(const Density.normal(), const Gap.md()));
+    final normal = tester.getSize(find.byType(Gap)).height;
+    expect(normal, greaterThan(compact));
+  });
+}
+
+// Regression: a Gap with no Flex parent used to throw at layout time and take
+// the enclosing subtree with it. One inside an AnimatedSize destroyed a login
+// card in the Garage hub, on a build that analyzed clean.
+void _outsideFlex() {
+  testWidgets("a Gap outside a Flex lays out instead of throwing",
+      (tester) async {
+    await tester.pumpWidget(
+      Directionality(
+        textDirection: TextDirection.ltr,
+        child: GarageTheme(
+          data: ThemeData(colorScheme: testScheme, density: const Density()),
+          child: const Center(child: SizedBox(width: 100, child: Gap.md())),
+        ),
+      ),
+    );
+    // it lays out - that is the whole point, it used to take the subtree down
+    expect(tester.getSize(find.byType(Gap)).height, const Density().gapMd);
+
+    // and it says so loudly in debug rather than failing silently
+    final reported = tester.takeException();
+    expect(reported, isA<FlutterError>());
+    expect("$reported", contains("no axis to size along"));
+  });
+}