Isolierte reaktive Scope-Injektion in Unit-Test-Fixtures

class TestDependencyInjector {
  #mockMap = new Map();
 
  bindMockInstance(identifier, factoryFn) {
    this.#mockMap.set(identifier, Object.freeze(factoryFn()));
  }
 
  executeIsolatedTestScope(testProcedure) {
    const activeScopeContainer = new Map(this.#mockMap);
    return testProcedure(Object.fromEntries(activeScopeContainer));
  }
}