implement scope tests

cherrypick/test/src/scope_test.dart

@@ -73,6 +73,120 @@ void main() {
       expect(() => scope.resolve<int>(), throwsA(isA<StateError>()));
     });
   });
+
+  group('Named dependencies', () {
+    test('Resolve named binding', () {
+      final scope = Scope(null)
+        ..installModules([
+          TestModule<String>(value: "first"),
+          TestModule<String>(value: "second", name: "special")
+        ]);
+      expect(scope.resolve<String>(named: "special"), "second");
+      expect(scope.resolve<String>(), "first");
+    });
+
+    test('Named binding does not clash with unnamed', () {
+      final scope = Scope(null)
+        ..installModules([
+          TestModule<String>(value: "foo", name: "bar"),
+        ]);
+      expect(() => scope.resolve<String>(), throwsA(isA<StateError>()));
+      expect(scope.resolve<String>(named: "bar"), "foo");
+    });
+
+    test("tryResolve returns null for missing named", () {
+      final scope = Scope(null)
+        ..installModules([
+          TestModule<String>(value: "foo"),
+        ]);
+      expect(scope.tryResolve<String>(named: "bar"), isNull);
+    });
+  });
+
+  group('Provider with params', () {
+    test('Resolve dependency using providerWithParams', () {
+      final scope = Scope(null)
+        ..installModules([
+          _InlineModule((m, s) {
+            m.bind<int>().toProvideWithParams((param) => (param as int) * 2);
+          }),
+        ]);
+      expect(scope.resolve<int>(params: 3), 6);
+      expect(
+        () => scope.resolve<int>(),
+        throwsA(isA<StateError>()),
+      );
+    });
+  });
+
+  group('Async resolution', () {
+    test('Resolve async instance', () async {
+      final scope = Scope(null)
+        ..installModules([
+          _InlineModule((m, s) {
+            m.bind<String>().toInstanceAsync(Future.value('async value'));
+          }),
+        ]);
+      expect(await scope.resolveAsync<String>(), "async value");
+    });
+
+    test('Resolve async provider', () async {
+      final scope = Scope(null)
+        ..installModules([
+          _InlineModule((m, s) {
+            m.bind<int>().toProvideAsync(() async => 7);
+          }),
+        ]);
+      expect(await scope.resolveAsync<int>(), 7);
+    });
+
+    test('Resolve async provider with param', () async {
+      final scope = Scope(null)
+        ..installModules([
+          _InlineModule((m, s) {
+            m.bind<int>().toProvideAsyncWithParams((x) async => (x as int) * 3);
+          }),
+        ]);
+      expect(await scope.resolveAsync<int>(params: 2), 6);
+      expect(
+        () => scope.resolveAsync<int>(),
+        throwsA(isA<StateError>()),
+      );
+    });
+
+    test('tryResolveAsync returns null for missing', () async {
+      final scope = Scope(null);
+      final result = await scope.tryResolveAsync<String>();
+      expect(result, isNull);
+    });
+  });
+
+  group("Drop modules", () {
+    test("After dropModules resolves fail", () {
+      final scope = Scope(null)..installModules([TestModule<int>(value: 5)]);
+      expect(scope.resolve<int>(), 5);
+      scope.dropModules();
+      expect(() => scope.resolve<int>(), throwsA(isA<StateError>()));
+    });
+  });
+
+  group("Subscope closing", () {
+    test("closeSubScope removes subscope", () {
+      final scope = Scope(null);
+      final subScope = scope.openSubScope("child");
+      expect(scope.openSubScope("child"), same(subScope));
+      scope.closeSubScope("child");
+      final newSubScope = scope.openSubScope("child");
+      expect(newSubScope, isNot(same(subScope))); // New instance after close
+    });
+  });
+
+  group("tryResolve returns null if not found", () {
+    test("Returns null for missing dependency", () {
+      final scope = Scope(null);
+      expect(scope.tryResolve<int>(), isNull);
+    });
+  });
 }
 
 class TestModule<T> extends Module {
@@ -89,3 +203,12 @@ class TestModule<T> extends Module {
     }
   }
 }
+
+/// Вспомогательный модуль для подстановки builder'а через конструктор
+class _InlineModule extends Module {
+  final void Function(Module, Scope) _builder;
+  _InlineModule(this._builder);
+
+  @override
+  void builder(Scope s) => _builder(this, s);
+}