94 lines
2.6 KiB
Dart
94 lines
2.6 KiB
Dart
import 'package:platform_container/container.dart';
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import 'package:test/test.dart';
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import 'common.dart';
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class Calculator {
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int add(int a, int b) => a + b;
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int multiply(int a, int b) => a * b;
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}
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void main() {
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late Container container;
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setUp(() {
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container = Container(MockReflector());
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});
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group('Method Binding Tests', () {
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test('can bind and call method', () {
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var calculator = Calculator();
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container.bindMethod('add', calculator.add);
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var result = container.callMethod('add', [5, 3]);
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expect(result, equals(8));
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});
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test('can bind multiple methods', () {
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var calculator = Calculator();
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container.bindMethod('add', calculator.add);
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container.bindMethod('multiply', calculator.multiply);
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expect(container.callMethod('add', [5, 3]), equals(8));
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expect(container.callMethod('multiply', [5, 3]), equals(15));
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});
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test('throws when method not found', () {
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expect(
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() => container.callMethod('nonexistent'),
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throwsA(isA<StateError>()),
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);
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});
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test('throws when binding duplicate method', () {
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var calculator = Calculator();
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container.bindMethod('add', calculator.add);
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expect(
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() => container.bindMethod('add', calculator.add),
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throwsA(isA<StateError>()),
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);
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});
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test('child container inherits parent methods', () {
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var calculator = Calculator();
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container.bindMethod('add', calculator.add);
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var childContainer = container.createChild();
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expect(childContainer.callMethod('add', [5, 3]), equals(8));
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});
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test('child container can override parent methods', () {
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var calculator = Calculator();
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container.bindMethod('add', calculator.add);
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var childContainer = container.createChild();
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childContainer.bindMethod('add', (a, b) => a * b); // Override to multiply
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expect(
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container.callMethod('add', [5, 3]), equals(8)); // Parent unchanged
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expect(childContainer.callMethod('add', [5, 3]),
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equals(15)); // Child overridden
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});
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});
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}
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// Minimal mock reflector for method binding tests
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class MockReflector extends Reflector {
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@override
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String? getName(Symbol symbol) => null;
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@override
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ReflectedClass? reflectClass(Type clazz) => null;
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@override
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ReflectedType? reflectType(Type type) => null;
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@override
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ReflectedInstance? reflectInstance(Object? instance) => null;
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@override
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ReflectedFunction? reflectFunction(Function function) => null;
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@override
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ReflectedType reflectFutureOf(Type type) => throw UnimplementedError();
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}
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