CSingleModelObserverBaseTest.h

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// SPDX-License-Identifier: LGPL-2.1-or-later OR GPL-2.0-or-later OR GPL-3.0-or-later OR LicenseRef-ACF-Commercial
#pragma once
 
 
// Qt includes
#include <QtCore/QObject>
#include <QtTest/QtTest>
 
// ACF includes
#include <imod/CSingleModelObserverBase.h>
#include <imod/TModelWrap.h>
#include <iser/CSerializableBase.h>
 
 
class CSingleModelObserverBaseTest: public QObject
{
       Q_OBJECT
 
private slots:
       void initTestCase();
       void cleanupTestCase();
 
       // Basic functionality tests
       void testModelAttachment();
       void testModelDetachment();
       void testIsModelAttached();
       void testGetObservedModel();
       void testEnsureModelDetached();
 
       // Update notification tests
       void testOnUpdate();
       void testBeforeAndAfterUpdate();
       void testChangeSetFiltering();
       void testSetObservedIds();
 
       // Edge cases
       void testMultipleAttachDetachCycles();
       void testDetachNullModel();
 
private:
       // Helper class: Simple data model for testing
       class TestDataModel: public iser::CSerializableBase
       {
       public:
              enum ChangeFlags
              {
                     CF_DATA_CHANGED = 0x1,
                     CF_STATUS_CHANGED = 0x2
              };
 
              TestDataModel() : m_data(0), m_status(0) {}
 
              void SetData(int data)
              {
                     if (m_data != data)
                     {
                            istd::IChangeable::ChangeSet changeSet;
                            changeSet.Set(CF_DATA_CHANGED);
                            BeginChanges(changeSet);
                            m_data = data;
                            EndChanges(changeSet);
                     }
              }
 
              int GetData() const { return m_data; }
 
              void SetStatus(int status)
              {
                     if (m_status != status)
                     {
                            istd::IChangeable::ChangeSet changeSet;
                            changeSet.Set(CF_STATUS_CHANGED);
                            BeginChanges(changeSet);
                            m_status = status;
                            EndChanges(changeSet);
                     }
              }
 
              int GetStatus() const { return m_status; }
 
              // IChangeable interface
              virtual int GetSupportedOperations() const override
              {
                     return istd::IChangeable::SO_CLONE | istd::IChangeable::SO_COPY | istd::IChangeable::SO_RESET;
              }
 
              virtual istd::TUniqueInterfacePtr<istd::IChangeable> CloneMe(
                     istd::IChangeable::CompatibilityMode mode = istd::IChangeable::CM_WITHOUT_REFS) const override
              {
                     TestDataModel* clone = new TestDataModel();
                     clone->m_data = m_data;
                     clone->m_status = m_status;
                     return istd::TUniqueInterfacePtr<istd::IChangeable>(clone);
              }
 
              virtual bool CopyFrom(const istd::IChangeable& object,
                     istd::IChangeable::CompatibilityMode mode = istd::IChangeable::CM_WITHOUT_REFS) override
              {
                     const TestDataModel* other = dynamic_cast<const TestDataModel*>(&object);
                     if (other)
                     {
                            m_data = other->m_data;
                            m_status = other->m_status;
                            return true;
                     }
                     return false;
              }
 
              virtual bool ResetData(istd::IChangeable::CompatibilityMode mode = istd::IChangeable::CM_WITHOUT_REFS) override
              {
                     m_data = 0;
                     m_status = 0;
                     return true;
              }
 
              virtual bool Serialize(iser::IArchive& archive) override
              {
                     archive.SerializeValue("data", m_data);
                     archive.SerializeValue("status", m_status);
                     return true;
              }
 
       private:
              int m_data;
              int m_status;
       };
 
       // Helper class: Test observer that tracks updates
       class TestObserver: public imod::CSingleModelObserverBase
       {
       public:
              TestObserver() : m_updateCount(0), m_beforeUpdateCount(0) {}
 
              int GetUpdateCount() const { return m_updateCount; }
              int GetBeforeUpdateCount() const { return m_beforeUpdateCount; }
              const istd::IChangeable::ChangeSet& GetLastChangeSet() const { return m_lastChangeSet; }
 
              void Reset()
              {
                     m_updateCount = 0;
                     m_beforeUpdateCount = 0;
                     m_lastChangeSet.Clear();
              }
 
              // Reimplemented from CSingleModelObserverBase
              virtual void BeforeUpdate(imod::IModel* modelPtr) override
              {
                     CSingleModelObserverBase::BeforeUpdate(modelPtr);
                     m_beforeUpdateCount++;
              }
 
              virtual void OnUpdate(const istd::IChangeable::ChangeSet& changeSet) override
              {
                     m_updateCount++;
                     m_lastChangeSet = changeSet;
              }
 
       private:
              int m_updateCount;
              int m_beforeUpdateCount;
              istd::IChangeable::ChangeSet m_lastChangeSet;
       };
 
       typedef imod::TModelWrap<TestDataModel> TestModel;
 
       TestModel* m_model;
       TestObserver* m_observer;
};