update tests

cherrypick/test/src/binding_test.dart

@@ -2,380 +2,91 @@ import 'package:cherrypick/src/binding.dart';
 import 'package:test/test.dart';
 
 void main() {
-  group('Check instance.', () {
-    group('Without name.', () {
-      test('Binding resolves null', () {
+  // --- Instance binding (synchronous) ---
+  group('Instance Binding (toInstance)', () {
+    group('Without name', () {
+      test('Returns null by default', () {
         final binding = Binding<int>();
         expect(binding.instance, null);
       });
 
-      test('Binding check mode', () {
-        final expectedValue = 5;
-        final binding = Binding<int>().toInstance(expectedValue);
-
+      test('Sets mode to instance', () {
+        final binding = Binding<int>().toInstance(5);
         expect(binding.mode, Mode.instance);
       });
 
-      test('Binding check singleton', () {
-        final expectedValue = 5;
-        final binding = Binding<int>().toInstance(expectedValue);
-
+      test('isSingleton is true', () {
+        final binding = Binding<int>().toInstance(5);
         expect(binding.isSingleton, true);
       });
 
-      test('Binding check value', () {
-        final expectedValue = 5;
-        final binding = Binding<int>().toInstance(expectedValue);
-
-        expect(binding.instance, expectedValue);
-      });
-
-      test('Binding resolves value', () {
-        final expectedValue = 5;
-        final binding = Binding<int>().toInstance(expectedValue);
-        expect(binding.instance, expectedValue);
+      test('Stores value', () {
+        final binding = Binding<int>().toInstance(5);
+        expect(binding.instance, 5);
       });
     });
 
-    group('With name.', () {
-      test('Binding resolves null', () {
-        final binding = Binding<int>().withName('expectedValue');
+    group('With name', () {
+      test('Returns null by default', () {
+        final binding = Binding<int>().withName('n');
         expect(binding.instance, null);
       });
 
-      test('Binding check mode', () {
-        final expectedValue = 5;
-        final binding =
-            Binding<int>().withName('expectedValue').toInstance(expectedValue);
-
+      test('Sets mode to instance', () {
+        final binding = Binding<int>().withName('n').toInstance(5);
         expect(binding.mode, Mode.instance);
       });
 
-      test('Binding check key', () {
-        final expectedValue = 5;
-        final binding =
-            Binding<int>().withName('expectedValue').toInstance(expectedValue);
-
+      test('Sets key', () {
+        final binding = Binding<int>().withName('n').toInstance(5);
         expect(binding.key, int);
       });
 
-      test('Binding check singleton', () {
-        final expectedValue = 5;
-        final binding =
-            Binding<int>().withName('expectedValue').toInstance(expectedValue);
-
+      test('isSingleton is true', () {
+        final binding = Binding<int>().withName('n').toInstance(5);
         expect(binding.isSingleton, true);
       });
 
-      test('Binding check value', () {
-        final expectedValue = 5;
-        final binding =
-            Binding<int>().withName('expectedValue').toInstance(expectedValue);
-
-        expect(binding.instance, expectedValue);
+      test('Stores value', () {
+        final binding = Binding<int>().withName('n').toInstance(5);
+        expect(binding.instance, 5);
       });
 
-      test('Binding check value', () {
-        final expectedValue = 5;
-        final binding =
-            Binding<int>().withName('expectedValue').toInstance(expectedValue);
-
-        expect(binding.name, 'expectedValue');
-      });
-
-      test('Binding resolves value', () {
-        final expectedValue = 5;
-        final binding =
-            Binding<int>().withName('expectedValue').toInstance(expectedValue);
-        expect(binding.instance, expectedValue);
-      });
-    });
-  });
-
-  group('Check provide.', () {
-    group('Without name.', () {
-      test('Binding resolves null', () {
-        final binding = Binding<int>();
-        expect(binding.provider, null);
-      });
-
-      test('Binding check mode', () {
-        final expectedValue = 5;
-        final binding = Binding<int>().toProvide(() => expectedValue);
-
-        expect(binding.mode, Mode.providerInstance);
-      });
-
-      test('Binding check singleton', () {
-        final expectedValue = 5;
-        final binding = Binding<int>().toProvide(() => expectedValue);
-
-        expect(binding.isSingleton, false);
-      });
-
-      test('Binding check value', () {
-        final expectedValue = 5;
-        final binding = Binding<int>().toProvide(() => expectedValue);
-
-        expect(binding.provider, expectedValue);
-      });
-
-      test('Binding resolves value', () {
-        final expectedValue = 5;
-        final binding = Binding<int>().toProvide(() => expectedValue);
-        expect(binding.provider, expectedValue);
+      test('Sets name', () {
+        final binding = Binding<int>().withName('n').toInstance(5);
+        expect(binding.name, 'n');
       });
     });
 
-    group('With name.', () {
-      test('Binding resolves null', () {
-        final binding = Binding<int>().withName('expectedValue');
-        expect(binding.provider, null);
-      });
-
-      test('Binding check mode', () {
-        final expectedValue = 5;
-        final binding = Binding<int>()
-            .withName('expectedValue')
-            .toProvide(() => expectedValue);
-
-        expect(binding.mode, Mode.providerInstance);
-      });
-
-      test('Binding check key', () {
-        final expectedValue = 5;
-        final binding = Binding<int>()
-            .withName('expectedValue')
-            .toProvide(() => expectedValue);
-
-        expect(binding.key, int);
-      });
-
-      test('Binding check singleton', () {
-        final expectedValue = 5;
-        final binding = Binding<int>()
-            .withName('expectedValue')
-            .toProvide(() => expectedValue);
-
-        expect(binding.isSingleton, false);
-      });
-
-      test('Binding check value', () {
-        final expectedValue = 5;
-        final binding = Binding<int>()
-            .withName('expectedValue')
-            .toProvide(() => expectedValue);
-
-        expect(binding.provider, expectedValue);
-      });
-
-      test('Binding check value', () {
-        final expectedValue = 5;
-        final binding = Binding<int>()
-            .withName('expectedValue')
-            .toProvide(() => expectedValue);
-
-        expect(binding.name, 'expectedValue');
-      });
-
-      test('Binding resolves value', () {
-        final expectedValue = 5;
-        final binding = Binding<int>()
-            .withName('expectedValue')
-            .toProvide(() => expectedValue);
-        expect(binding.provider, expectedValue);
-      });
+    test('Multiple toInstance calls change value', () {
+      final binding = Binding<int>().toInstance(1).toInstance(2);
+      expect(binding.instance, 2);
     });
   });
 
-  group('Check Async provider.', () {
-    test('Binding resolves value asynchronously', () async {
-      final expectedValue = 5;
-      final binding = Binding<int>().toProvideAsync(() async => expectedValue);
-
-      final result = await binding.asyncProvider?.call();
-      expect(result, expectedValue);
+  // --- Instance binding (asynchronous) ---
+  group('Async Instance Binding (toInstanceAsync)', () {
+    test('Resolves instanceAsync with expected value', () async {
+      final binding = Binding<int>().toInstanceAsync(Future.value(42));
+      expect(await binding.instanceAsync, 42);
     });
 
-    test('Binding resolves value asynchronously with params', () async {
-      final expectedValue = 5;
-      final binding = Binding<int>().toProvideAsyncWithParams(
-          (param) async => expectedValue + (param as int));
-
-      final result = await binding.asyncProviderWithParams?.call(3);
-      expect(result, expectedValue + 3);
-    });
-  });
-
-  group('Check singleton provide.', () {
-    group('Without name.', () {
-      test('Binding resolves null', () {
-        final binding = Binding<int>().singleton();
-        expect(binding.provider, null);
-      });
-
-      test('Binding check mode', () {
-        final expectedValue = 5;
-        final binding =
-            Binding<int>().toProvide(() => expectedValue).singleton();
-
-        expect(binding.mode, Mode.providerInstance);
-      });
-
-      test('Binding check singleton', () {
-        final expectedValue = 5;
-        final binding =
-            Binding<int>().toProvide(() => expectedValue).singleton();
-
-        expect(binding.isSingleton, true);
-      });
-
-      test('Binding check value', () {
-        final expectedValue = 5;
-        final binding =
-            Binding<int>().toProvide(() => expectedValue).singleton();
-
-        expect(binding.provider, expectedValue);
-      });
-
-      test('Binding resolves value', () {
-        final expectedValue = 5;
-        final binding =
-            Binding<int>().toProvide(() => expectedValue).singleton();
-        expect(binding.provider, expectedValue);
-      });
-    });
-
-    group('With name.', () {
-      test('Binding resolves null', () {
-        final binding = Binding<int>().withName('expectedValue').singleton();
-        expect(binding.provider, null);
-      });
-
-      test('Binding check mode', () {
-        final expectedValue = 5;
-        final binding = Binding<int>()
-            .withName('expectedValue')
-            .toProvide(() => expectedValue)
-            .singleton();
-
-        expect(binding.mode, Mode.providerInstance);
-      });
-
-      test('Binding check key', () {
-        final expectedValue = 5;
-        final binding = Binding<int>()
-            .withName('expectedValue')
-            .toProvide(() => expectedValue)
-            .singleton();
-
-        expect(binding.key, int);
-      });
-
-      test('Binding check singleton', () {
-        final expectedValue = 5;
-        final binding = Binding<int>()
-            .withName('expectedValue')
-            .toProvide(() => expectedValue)
-            .singleton();
-
-        expect(binding.isSingleton, true);
-      });
-
-      test('Binding check value', () {
-        final expectedValue = 5;
-        final binding = Binding<int>()
-            .withName('expectedValue')
-            .toProvide(() => expectedValue)
-            .singleton();
-
-        expect(binding.provider, expectedValue);
-      });
-
-      test('Binding check value', () {
-        final expectedValue = 5;
-        final binding = Binding<int>()
-            .withName('expectedValue')
-            .toProvide(() => expectedValue)
-            .singleton();
-
-        expect(binding.name, 'expectedValue');
-      });
-
-      test('Binding resolves value', () {
-        final expectedValue = 5;
-        final binding = Binding<int>()
-            .withName('expectedValue')
-            .toProvide(() => expectedValue)
-            .singleton();
-        expect(binding.provider, expectedValue);
-      });
-    });
-  });
-
-  test('Binding returns null providerWithParams if not set', () {
-    final binding = Binding<int>();
-    expect(binding.providerWithParams(123), null);
-  });
-
-  test('Binding withName changes isNamed to true', () {
-    final binding = Binding<int>().withName('foo');
-    expect(binding.isNamed, true);
-    expect(binding.name, 'foo');
-  });
-
-  // Проверка singleton provider вызывается один раз
-  test('Singleton provider only called once', () {
-    int counter = 0;
-    final binding = Binding<int>().toProvide(() {
-      counter++;
-      return counter;
-    }).singleton();
-
-    final first = binding.provider;
-    final second = binding.provider;
-    expect(first, equals(second));
-    expect(counter, 1);
-  });
-
-  // Повторный вызов toInstance влияет на значение
-  test('Multiple toInstance calls changes instance', () {
-    final binding = Binding<int>().toInstance(1).toInstance(2);
-    expect(binding.instance, 2);
-  });
-
-  // Проверка mode после chaining
-  test('Chained withName and singleton preserves mode', () {
-    final binding =
-        Binding<int>().toProvide(() => 3).withName("named").singleton();
-    expect(binding.mode, Mode.providerInstance);
-  });
-
-  group('Check toInstanceAsync.', () {
-    test('Binding resolves instanceAsync with expected value', () async {
-      final expectedValue = 42;
-      final binding =
-          Binding<int>().toInstanceAsync(Future.value(expectedValue));
-      final result = await binding.instanceAsync;
-      expect(result, equals(expectedValue));
-    });
-
-    test('Binding instanceAsync does not affect instance', () {
+    test('Does not affect instance', () {
       final binding = Binding<int>().toInstanceAsync(Future.value(5));
       expect(binding.instance, null);
     });
 
-    test('Binding mode is set to instance', () {
+    test('Sets mode to instance', () {
       final binding = Binding<int>().toInstanceAsync(Future.value(5));
       expect(binding.mode, Mode.instance);
     });
 
-    test('Binding isSingleton is true after toInstanceAsync', () {
+    test('isSingleton is true after toInstanceAsync', () {
       final binding = Binding<int>().toInstanceAsync(Future.value(5));
       expect(binding.isSingleton, isTrue);
     });
 
-    test('Binding withName combines with toInstanceAsync', () async {
+    test('Composes with withName', () async {
       final binding = Binding<int>()
           .withName('asyncValue')
           .toInstanceAsync(Future.value(7));
@@ -384,11 +95,177 @@ void main() {
       expect(await binding.instanceAsync, 7);
     });
 
-    test('Binding instanceAsync keeps value after multiple awaits', () async {
+    test('Keeps value after multiple awaits', () async {
       final binding = Binding<int>().toInstanceAsync(Future.value(123));
       final result1 = await binding.instanceAsync;
       final result2 = await binding.instanceAsync;
       expect(result1, equals(result2));
     });
   });
+
+  // --- Provider binding (synchronous) ---
+  group('Provider Binding (toProvide)', () {
+    group('Without name', () {
+      test('Returns null by default', () {
+        final binding = Binding<int>();
+        expect(binding.provider, null);
+      });
+
+      test('Sets mode to providerInstance', () {
+        final binding = Binding<int>().toProvide(() => 5);
+        expect(binding.mode, Mode.providerInstance);
+      });
+
+      test('isSingleton is false by default', () {
+        final binding = Binding<int>().toProvide(() => 5);
+        expect(binding.isSingleton, false);
+      });
+
+      test('Returns provided value', () {
+        final binding = Binding<int>().toProvide(() => 5);
+        expect(binding.provider, 5);
+      });
+    });
+
+    group('With name', () {
+      test('Returns null by default', () {
+        final binding = Binding<int>().withName('n');
+        expect(binding.provider, null);
+      });
+
+      test('Sets mode to providerInstance', () {
+        final binding = Binding<int>().withName('n').toProvide(() => 5);
+        expect(binding.mode, Mode.providerInstance);
+      });
+
+      test('Sets key', () {
+        final binding = Binding<int>().withName('n').toProvide(() => 5);
+        expect(binding.key, int);
+      });
+
+      test('isSingleton is false by default', () {
+        final binding = Binding<int>().withName('n').toProvide(() => 5);
+        expect(binding.isSingleton, false);
+      });
+
+      test('Returns provided value', () {
+        final binding = Binding<int>().withName('n').toProvide(() => 5);
+        expect(binding.provider, 5);
+      });
+
+      test('Sets name', () {
+        final binding = Binding<int>().withName('n').toProvide(() => 5);
+        expect(binding.name, 'n');
+      });
+    });
+  });
+
+  // --- Async provider binding ---
+  group('Async Provider Binding', () {
+    test('Resolves asyncProvider value', () async {
+      final binding = Binding<int>().toProvideAsync(() async => 5);
+      expect(await binding.asyncProvider?.call(), 5);
+    });
+
+    test('Resolves asyncProviderWithParams value', () async {
+      final binding = Binding<int>()
+          .toProvideAsyncWithParams((param) async => 5 + (param as int));
+      expect(await binding.asyncProviderWithParams?.call(3), 8);
+    });
+  });
+
+  // --- Singleton provider binding ---
+  group('Singleton Provider Binding', () {
+    group('Without name', () {
+      test('Returns null if no provider set', () {
+        final binding = Binding<int>().singleton();
+        expect(binding.provider, null);
+      });
+
+      test('Sets mode to providerInstance', () {
+        final binding = Binding<int>().toProvide(() => 5).singleton();
+        expect(binding.mode, Mode.providerInstance);
+      });
+
+      test('isSingleton is true', () {
+        final binding = Binding<int>().toProvide(() => 5).singleton();
+        expect(binding.isSingleton, true);
+      });
+
+      test('Returns singleton value', () {
+        final binding = Binding<int>().toProvide(() => 5).singleton();
+        expect(binding.provider, 5);
+      });
+
+      test('Returns same value each call and provider only called once', () {
+        int counter = 0;
+        final binding = Binding<int>().toProvide(() {
+          counter++;
+          return counter;
+        }).singleton();
+
+        final first = binding.provider;
+        final second = binding.provider;
+        expect(first, equals(second));
+        expect(counter, 1);
+      });
+    });
+
+    group('With name', () {
+      test('Returns null if no provider set', () {
+        final binding = Binding<int>().withName('n').singleton();
+        expect(binding.provider, null);
+      });
+
+      test('Sets mode to providerInstance', () {
+        final binding =
+            Binding<int>().withName('n').toProvide(() => 5).singleton();
+        expect(binding.mode, Mode.providerInstance);
+      });
+
+      test('Sets key', () {
+        final binding =
+            Binding<int>().withName('n').toProvide(() => 5).singleton();
+        expect(binding.key, int);
+      });
+
+      test('isSingleton is true', () {
+        final binding =
+            Binding<int>().withName('n').toProvide(() => 5).singleton();
+        expect(binding.isSingleton, true);
+      });
+
+      test('Returns singleton value', () {
+        final binding =
+            Binding<int>().withName('n').toProvide(() => 5).singleton();
+        expect(binding.provider, 5);
+      });
+
+      test('Sets name', () {
+        final binding =
+            Binding<int>().withName('n').toProvide(() => 5).singleton();
+        expect(binding.name, 'n');
+      });
+    });
+
+    test('Chained withName and singleton preserves mode', () {
+      final binding =
+          Binding<int>().toProvide(() => 3).withName("named").singleton();
+      expect(binding.mode, Mode.providerInstance);
+    });
+  });
+
+  // --- WithName / Named binding, isNamed, edge-cases ---
+  group('Named binding & helpers', () {
+    test('withName sets isNamed true and stores name', () {
+      final binding = Binding<int>().withName('foo');
+      expect(binding.isNamed, true);
+      expect(binding.name, 'foo');
+    });
+
+    test('providerWithParams returns null if not set', () {
+      final binding = Binding<int>();
+      expect(binding.providerWithParams(123), null);
+    });
+  });
 }

cherrypick/test/src/scope_test.dart

@@ -3,46 +3,44 @@ import 'package:cherrypick/src/scope.dart';
 import 'package:test/test.dart';
 
 void main() {
-  group('Without parent scope.', () {
-    test('Parent scope is null.', () {
+  // --------------------------------------------------------------------------
+  group('Scope & Subscope Management', () {
+    test('Scope has no parent if constructed with null', () {
       final scope = Scope(null);
       expect(scope.parentScope, null);
     });
 
-    test('Open sub scope.', () {
+    test('Can open and retrieve the same subScope by key', () {
       final scope = Scope(null);
       final subScope = scope.openSubScope('subScope');
       expect(scope.openSubScope('subScope'), subScope);
     });
 
-    test("Container throws state error if the value can't be resolved", () {
+    test('closeSubScope removes subscope so next openSubScope returns new', () {
+      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)));
+    });
+  });
+
+  // --------------------------------------------------------------------------
+  group('Dependency Resolution (standard)', () {
+    test("Throws StateError if value can't be resolved", () {
       final scope = Scope(null);
       expect(() => scope.resolve<String>(), throwsA(isA<StateError>()));
     });
 
-    test('Container resolves value after adding a dependency', () {
+    test('Resolves value after adding a dependency', () {
       final expectedValue = 'test string';
       final scope = Scope(null)
           .installModules([TestModule<String>(value: expectedValue)]);
       expect(scope.resolve<String>(), expectedValue);
     });
-  });
 
-  group('With parent scope.', () {
-    /*  
-    test(
-        "Container bind() throws state error (if it's parent already has a resolver)",
-        () {
-      final parentScope = new Scope(null)
-          .installModules([TestModule<String>(value: "string one")]);
-      final scope = new Scope(parentScope);
-
-      expect(
-          () => scope.installModules([TestModule<String>(value: "string two")]),
-          throwsA(isA<StateError>()));
-    });
-*/
-    test('Container resolve() returns a value from parent container.', () {
+    test('Returns a value from parent scope', () {
       final expectedValue = 5;
       final parentScope = Scope(null);
       final scope = Scope(parentScope);
@@ -52,8 +50,7 @@ void main() {
       expect(scope.resolve<int>(), expectedValue);
     });
 
-    test('Container resolve() returns a  several value from parent container.',
-        () {
+    test('Returns several values from parent container', () {
       final expectedIntValue = 5;
       final expectedStringValue = 'Hello world';
       final parentScope = Scope(null).installModules([
@@ -66,15 +63,22 @@ void main() {
       expect(scope.resolve<String>(), expectedStringValue);
     });
 
-    test("Container resolve() throws a state error if parent hasn't value too.",
-        () {
+    test("Throws StateError if parent hasn't value too", () {
       final parentScope = Scope(null);
       final scope = Scope(parentScope);
       expect(() => scope.resolve<int>(), throwsA(isA<StateError>()));
     });
+
+    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('Named dependencies', () {
+  // --------------------------------------------------------------------------
+  group('Named Dependencies', () {
     test('Resolve named binding', () {
       final scope = Scope(null)
         ..installModules([
@@ -103,7 +107,8 @@ void main() {
     });
   });
 
-  group('Provider with params', () {
+  // --------------------------------------------------------------------------
+  group('Provider with parameters', () {
     test('Resolve dependency using providerWithParams', () {
       final scope = Scope(null)
         ..installModules([
@@ -112,14 +117,12 @@ void main() {
           }),
         ]);
       expect(scope.resolve<int>(params: 3), 6);
-      expect(
-        () => scope.resolve<int>(),
-        throwsA(isA<StateError>()),
-      );
+      expect(() => scope.resolve<int>(), throwsA(isA<StateError>()));
     });
   });
 
-  group('Async resolution', () {
+  // --------------------------------------------------------------------------
+  group('Async Resolution', () {
     test('Resolve async instance', () async {
       final scope = Scope(null)
         ..installModules([
@@ -148,10 +151,7 @@ void main() {
           }),
         ]);
       expect(await scope.resolveAsync<int>(params: 2), 6);
-      expect(
-        () => scope.resolveAsync<int>(),
-        throwsA(isA<StateError>()),
-      );
+      expect(() => scope.resolveAsync<int>(), throwsA(isA<StateError>()));
     });
 
     test('tryResolveAsync returns null for missing', () async {
@@ -161,34 +161,28 @@ void main() {
     });
   });
 
-  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", () {
+  // --------------------------------------------------------------------------
+  group('Optional resolution and error handling', () {
+    test("tryResolve returns null for missing dependency", () {
       final scope = Scope(null);
       expect(scope.tryResolve<int>(), isNull);
     });
+
+    // Не реализован:
+    // test("Container bind() throws state error (if it's parent already has a resolver)", () {
+    //   final parentScope = new Scope(null).installModules([TestModule<String>(value: "string one")]);
+    //   final scope = new Scope(parentScope);
+
+    //   expect(
+    //       () => scope.installModules([TestModule<String>(value: "string two")]),
+    //       throwsA(isA<StateError>()));
+    // });
   });
 }
 
+// ----------------------------------------------------------------------------
+// Вспомогательные модули
+
 class TestModule<T> extends Module {
   final T value;
   final String? name;