propertyviewmodel.test.cpp

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//  ************************************************************************************************
//
//  qt-mvvm: Model-view-view-model framework for large GUI applications
//
//! @file      mvvm/tests/testviewmodel/propertyviewmodel.test.cpp
//! @brief     Implements class CLASS?
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2020
//! @authors   Gennady Pospelov et al, Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************
 
#include "google_test.h"
#include "mvvm/model/propertyitem.h"
#include "mvvm/model/sessionitem.h"
#include "mvvm/model/sessionmodel.h"
#include "mvvm/model/taginfo.h"
#include "mvvm/standarditems/vectoritem.h"
#include "mvvm/viewmodel/propertyviewmodel.h"
#include "toyitems.h"
#include "toymodel.h"
 
using namespace ModelView;
 
//! Tests for PropertyViewModel class.
 
class PropertyViewModelTest : public ::testing::Test {
public:
    ~PropertyViewModelTest();
};
 
PropertyViewModelTest::~PropertyViewModelTest() = default;
 
TEST_F(PropertyViewModelTest, initialState)
{
    SessionModel model;
    PropertyViewModel viewModel(&model);
    EXPECT_EQ(viewModel.rowCount(), 0);
    EXPECT_EQ(viewModel.columnCount(), 0);
    EXPECT_EQ(viewModel.sessionItemFromIndex(QModelIndex()), model.rootItem());
}
 
TEST_F(PropertyViewModelTest, baseItem)
{
    SessionModel model;
    model.insertItem<SessionItem>();
 
    PropertyViewModel viewModel(&model);
 
    // Root item has default tag and all items considered as top items.
    // PropertyViewModel shouldn't see any items.
    EXPECT_EQ(viewModel.rowCount(), 0);
    EXPECT_EQ(viewModel.columnCount(), 0);
}
 
TEST_F(PropertyViewModelTest, propertyItem)
{
    SessionModel model;
    auto parent = model.insertItem<SessionItem>();
 
    parent->registerTag(TagInfo::universalTag("universal_tag"));
    parent->registerTag(TagInfo::propertyTag("property_tag", Constants::PropertyType));
 
    model.insertItem<SessionItem>(parent, "universal_tag");
    model.insertItem<PropertyItem>(parent, "property_tag");
    model.insertItem<SessionItem>(parent, "universal_tag");
 
    PropertyViewModel viewModel(&model);
    viewModel.setRootSessionItem(parent);
 
    // View model should see only property item belonging to parent.
    EXPECT_EQ(viewModel.rowCount(), 1);
    EXPECT_EQ(viewModel.columnCount(), 2);
}
 
//! VectorItem in a model.
 
TEST_F(PropertyViewModelTest, vectorItem)
{
    SessionModel model;
    auto parent = model.insertItem<VectorItem>();
 
    PropertyViewModel viewModel(&model);
 
    EXPECT_EQ(viewModel.rowCount(), 0); // root item doesn't have properties
    EXPECT_EQ(viewModel.columnCount(), 0);
 
    // switching to vectorItem and checking that it has 3 properties
    viewModel.setRootSessionItem(parent);
    EXPECT_EQ(viewModel.rowCount(), 3);
    EXPECT_EQ(viewModel.columnCount(), 2);
}
 
//! LayerItem in a MultiLayer.
 
TEST_F(PropertyViewModelTest, layerInMultiLayerAsRootItem)
{
    SessionModel model;
    auto multilayer = model.insertItem<ToyItems::MultiLayerItem>();
    auto layer = model.insertItem<ToyItems::LayerItem>(multilayer);
 
    PropertyViewModel viewmodel(&model);
    viewmodel.setRootSessionItem(layer);
 
    // check layer thickness and color
    EXPECT_EQ(viewmodel.rowCount(), 2);
    EXPECT_EQ(viewmodel.columnCount(), 2);
 
    // remove multilayer
    model.removeItem(model.rootItem(), {"", 0});
 
    EXPECT_EQ(viewmodel.rowCount(), 0);
    EXPECT_EQ(viewmodel.columnCount(), 0);
}