CompilationDatabase: Support both code models

Extract headers, defines and fileKind from flags in
order to have complete project parts.

Side-effect: better support for MSVC-specific flags.
Change-Id: Iaa1413c91c96c3cf89ddbe76a7a1f0f46c5289c0
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

src/plugins/compilationdatabaseprojectmanager/compilationdatabasetests.cpp

@@ -0,0 +1,105 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "compilationdatabasetests.h"
+
+#include <coreplugin/icore.h>
+#include <cpptools/cpptoolstestcase.h>
+#include <cpptools/projectinfo.h>
+#include <projectexplorer/kitinformation.h>
+#include <projectexplorer/kitmanager.h>
+#include <projectexplorer/projectexplorer.h>
+#include <projectexplorer/toolchain.h>
+#include <projectexplorer/toolchainmanager.h>
+
+#include <QtTest>
+
+using namespace ProjectExplorer;
+
+namespace CompilationDatabaseProjectManager {
+
+CompilationDatabaseTests::CompilationDatabaseTests(QObject *parent)
+    : QObject(parent)
+{}
+
+CompilationDatabaseTests::~CompilationDatabaseTests() = default;
+
+void CompilationDatabaseTests::initTestCase()
+{
+    const QList<Kit *> allKits = KitManager::kits();
+    if (allKits.empty())
+        QSKIP("This test requires at least one kit to be present.");
+
+    ToolChain *toolchain = ToolChainManager::toolChain([](const ToolChain *tc) {
+        return tc->isValid() && tc->language() == Constants::CXX_LANGUAGE_ID;
+    });
+    if (!toolchain)
+        QSKIP("This test requires that there is at least one C++ toolchain present.");
+
+    m_tmpDir = std::make_unique<CppTools::Tests::TemporaryCopiedDir>(":/database_samples");
+    QVERIFY(m_tmpDir->isValid());
+}
+
+void CompilationDatabaseTests::cleanupTestCase()
+{
+    m_tmpDir.reset();
+}
+
+void CompilationDatabaseTests::testProject()
+{
+    QFETCH(QString, projectFilePath);
+
+    CppTools::Tests::ProjectOpenerAndCloser projectManager;
+    const CppTools::ProjectInfo projectInfo = projectManager.open(projectFilePath, true);
+    QVERIFY(projectInfo.isValid());
+
+    projectInfo.projectParts();
+    QVector<CppTools::ProjectPart::Ptr> projectParts = projectInfo.projectParts();
+    QVERIFY(!projectParts.isEmpty());
+
+    CppTools::ProjectPart &projectPart = *projectParts.first();
+    QVERIFY(!projectPart.headerPaths.isEmpty());
+    QVERIFY(!projectPart.projectMacros.isEmpty());
+    QVERIFY(!projectPart.toolChainMacros.isEmpty());
+    QVERIFY(!projectPart.files.isEmpty());
+}
+
+void CompilationDatabaseTests::testProject_data()
+{
+    QTest::addColumn<QString>("projectFilePath");
+
+    addTestRow("qtc/compile_commands.json");
+    addTestRow("llvm/compile_commands.json");
+}
+
+void CompilationDatabaseTests::addTestRow(const QByteArray &relativeFilePath)
+{
+    const QString absoluteFilePath = m_tmpDir->absolutePath(relativeFilePath);
+    const QString fileName = QFileInfo(absoluteFilePath).fileName();
+
+    QTest::newRow(fileName.toUtf8().constData()) << absoluteFilePath;
+}
+
+} // namespace CompilationDatabaseProjectManager