cppmodelmanager_test.cpp

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#include "cpptoolsplugin.h"
#include "cpppreprocessor.h"
#include "cpptoolseditorsupport.h"
#include "modelmanagertesthelper.h"

#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/testdatadir.h>
#include <projectexplorer/projectexplorer.h>
#include <projectexplorer/session.h>
#include <utils/hostosinfo.h>

#include <QDebug>
#include <QFileInfo>
#include <QtTest>

#if  QT_VERSION >= 0x050000
#define MSKIP_SINGLE(x) QSKIP(x)
#else
#define MSKIP_SINGLE(x) QSKIP(x, SkipSingle)
#endif

using namespace CppTools::Internal;
using namespace ProjectExplorer;

typedef CPlusPlus::Document Document;
typedef CppTools::CppModelManagerInterface::ProjectInfo ProjectInfo;
typedef CppTools::ProjectPart ProjectPart;
typedef CppTools::ProjectFile ProjectFile;

Q_DECLARE_METATYPE(QList<ProjectFile>)

namespace {

inline QString _(const QByteArray &ba) { return QString::fromLatin1(ba, ba.size()); }

class MyTestDataDir : public Core::Internal::Tests::TestDataDir
{
public:
    MyTestDataDir(const QString &dir)
        : TestDataDir(_(SRCDIR "/../../../tests/cppmodelmanager/") + dir)
    {}

    QString includeDir(bool cleaned = true) const
    { return directory(_("include"), cleaned); }

    QString frameworksDir(bool cleaned = true) const
    { return directory(_("frameworks"), cleaned); }

    QString fileFromSourcesDir(const QString &fileName) const
    { return directory(_("sources")) + fileName; }
};

// TODO: When possible, use this helper class in all tests
class ProjectCreator
{
public:
    ProjectCreator(ModelManagerTestHelper *modelManagerTestHelper)
        : modelManagerTestHelper(modelManagerTestHelper)
    {}

    /// 'files' is expected to be a list of file names that reside in 'dir'.
    void create(const QString &name, const QString &dir, const QStringList files)
    {
        const MyTestDataDir projectDir(dir);
        foreach (const QString &file, files)
            projectFiles << projectDir.file(file);

        Project *project = modelManagerTestHelper->createProject(name);
        projectInfo = CppModelManager::instance()->projectInfo(project);
        QCOMPARE(projectInfo.project().data(), project);

        ProjectPart::Ptr part(new ProjectPart);
        part->cxxVersion = ProjectPart::CXX98;
        part->qtVersion = ProjectPart::Qt5;
        foreach (const QString &file, projectFiles) {
            ProjectFile projectFile(file, ProjectFile::classify(file));
            part->files.append(projectFile);
        }
        projectInfo.appendProjectPart(part);
    }

    ModelManagerTestHelper *modelManagerTestHelper;
    ProjectInfo projectInfo;
    QStringList projectFiles;
};

/// Open and configure given project as example project and remove
/// generated *.user file on destruction.
///
/// Requirement: No *.user file exists for the project.
class ExampleProjectConfigurator
{
public:
    ExampleProjectConfigurator(const QString &projectFile,
                               ProjectExplorerPlugin *projectExplorer)
    {
        const QString projectUserFile = projectFile + _(".user");
        QVERIFY(!QFileInfo(projectUserFile).exists());

        // Open project
        QString errorOpeningProject;
        m_project = projectExplorer->openProject(projectFile, &errorOpeningProject);
        QVERIFY(m_project);
        QVERIFY(errorOpeningProject.isEmpty());

        // Configure project
        m_project->configureAsExampleProject(QStringList());

        m_fileToRemove = projectUserFile;
    }

    ~ExampleProjectConfigurator()
    {
        QVERIFY(!m_fileToRemove.isEmpty());
        QVERIFY(QFile::remove(m_fileToRemove));
    }

    Project *project() const
    {
        return m_project;
    }

private:
    Project *m_project;
    QString m_fileToRemove;
};

/// Changes a file on the disk and restores its original contents on destruction
class FileChangerAndRestorer
{
public:
    FileChangerAndRestorer(const QString &filePath)
        : m_filePath(filePath)
    {
    }

    ~FileChangerAndRestorer()
    {
        restoreContents();
    }

    /// Saves the contents also internally so it can be restored on destruction
    bool readContents(QByteArray *contents)
    {
        Utils::FileReader fileReader;
        const bool isFetchOk = fileReader.fetch(m_filePath);
        if (isFetchOk) {
            m_originalFileContents = fileReader.data();
            if (contents)
                *contents = m_originalFileContents;
        }
        return isFetchOk;
    }

    void writeContents(const QByteArray &contents) const
    {
        Utils::FileSaver fileSaver(m_filePath);
        fileSaver.write(contents);
        fileSaver.finalize();
    }

private:
    void restoreContents() const
    {
        Utils::FileSaver fileSaver(m_filePath);
        fileSaver.write(m_originalFileContents);
        fileSaver.finalize();
    }

    QByteArray m_originalFileContents;
    const QString &m_filePath;