path.test.cpp

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//  ************************************************************************************************
//
//  qt-mvvm: Model-view-view-model framework for large GUI applications
//
//! @file      mvvm/tests/testmodel/path.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/modelutils.h"
#include "mvvm/model/path.h"
#include "mvvm/model/sessionitem.h"
#include "mvvm/model/sessionmodel.h"
#include "mvvm/model/taginfo.h"
#include <memory>
 
using namespace ModelView;
 
class PathTest : public ::testing::Test {
public:
    ~PathTest();
};
 
PathTest::~PathTest() = default;
 
TEST_F(PathTest, initialState)
{
    Path path;
    EXPECT_TRUE(path.str().empty());
}
 
TEST_F(PathTest, append)
{
    Path path;
    path.append(1);
    EXPECT_EQ(path.str(), "1");
 
    path.append(2);
    EXPECT_EQ(path.str(), "1,2");
 
    path.prepend(3);
    EXPECT_EQ(path.str(), "3,1,2");
}
 
TEST_F(PathTest, fromVector)
{
    Path path = Path::fromVector({1, 2, 3});
    EXPECT_EQ(path.str(), "1,2,3");
}
 
TEST_F(PathTest, fromString)
{
    Path path = Path::fromString("3,2,3");
    EXPECT_EQ(path.str(), "3,2,3");
}
 
TEST_F(PathTest, PathFromItem)
{
    SessionModel model;
 
    // unexisting path
    EXPECT_TRUE(Utils::PathFromItem(nullptr).str().empty());
    // yet another unexisting path
    auto alienItem = std::make_unique<SessionItem>();
    EXPECT_TRUE(Utils::PathFromItem(alienItem.get()).str().empty());
 
    // three children beneeth root item
    auto item0 = model.insertItem<SessionItem>();
    item0->registerTag(TagInfo::universalTag("defaultTag"), /*set_as_default*/ true);
    auto item1 = model.insertItem<SessionItem>();
    item1->registerTag(TagInfo::universalTag("defaultTag"), /*set_as_default*/ true);
    auto item2 = model.insertItem<SessionItem>();
    item2->registerTag(TagInfo::universalTag("defaultTag"), /*set_as_default*/ true);
 
    EXPECT_EQ(Utils::PathFromItem(item0).str(), "0");
    EXPECT_EQ(Utils::PathFromItem(item1).str(), "1");
    EXPECT_EQ(Utils::PathFromItem(item2).str(), "2");
 
    // adding granchildren to item0
    auto child00 = model.insertItem<SessionItem>(item0);
    auto child01 = model.insertItem<SessionItem>(item0);
 
    EXPECT_EQ(Utils::PathFromItem(child00).str(), "0,0");
    EXPECT_EQ(Utils::PathFromItem(child01).str(), "0,1");
 
    // adding grandchildren to item2
    auto child20 = model.insertItem<SessionItem>(item2);
    child20->registerTag(TagInfo::universalTag("defaultTag"), /*set_as_default*/ true);
 
    auto child200 = model.insertItem<SessionItem>(child20);
    auto child201 = model.insertItem<SessionItem>(child20);
 
    EXPECT_EQ(Utils::PathFromItem(child200).str(), "2,0,0");
    EXPECT_EQ(Utils::PathFromItem(child201).str(), "2,0,1");
}
 
TEST_F(PathTest, itemFromPath)
{
    SessionModel model;
 
    // access to non-existing item
    Path non_existing;
    non_existing.append(8);
    EXPECT_EQ(Utils::ItemFromPath(model, non_existing), nullptr);
 
    auto item0 = model.insertItem<SessionItem>();
    item0->registerTag(TagInfo::universalTag("defaultTag"), /*set_as_default*/ true);
    auto item1 = model.insertItem<SessionItem>();
    item1->registerTag(TagInfo::universalTag("defaultTag"), /*set_as_default*/ true);
    auto item2 = model.insertItem<SessionItem>();
    item2->registerTag(TagInfo::universalTag("defaultTag"), /*set_as_default*/ true);
 
    EXPECT_EQ(Utils::ItemFromPath(model, Path::fromVector({0})), item0);
    EXPECT_EQ(Utils::ItemFromPath(model, Path::fromVector({1})), item1);
    EXPECT_EQ(Utils::ItemFromPath(model, Path::fromVector({2})), item2);
 
    auto child20 = model.insertItem<SessionItem>(item2);
    child20->registerTag(TagInfo::universalTag("defaultTag"), /*set_as_default*/ true);
    auto child200 = model.insertItem<SessionItem>(child20);
    auto child201 = model.insertItem<SessionItem>(child20);
 
    EXPECT_EQ(Utils::ItemFromPath(model, Path::fromVector({2, 0})), child20);
    EXPECT_EQ(Utils::ItemFromPath(model, Path::fromVector({2, 0, 0})), child200);
    EXPECT_EQ(Utils::ItemFromPath(model, Path::fromVector({2, 0, 1})), child201);
}