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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Copyright (C) 2016 Christian Gagneraud.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qbs.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "tst_clangdb.h"
#include "../shared.h"
#include <tools/hostosinfo.h>
#include <tools/installoptions.h>
#include <QtCore/qdir.h>
#include <QtCore/qfile.h>
#include <QtCore/qregularexpression.h>
#include <QtCore/qjsonarray.h>
#include <QtCore/qjsondocument.h>
#include <QtCore/qjsonobject.h>
#include <QtTest/qtest.h>
using qbs::InstallOptions;
using qbs::Internal::HostOsInfo;
int TestClangDb::runProcess(const QString &exec, const QStringList &args, QByteArray &stdErr,
QByteArray &stdOut)
{
QProcess process;
QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
env.insert(processEnvironment);
process.setProcessEnvironment(env);
process.start(exec, args);
const int waitTime = 10 * 60000;
if (!process.waitForStarted() || !process.waitForFinished(waitTime)) {
stdErr = process.readAllStandardError();
return -1;
}
stdErr = process.readAllStandardError();
stdOut = process.readAllStandardOutput();
sanitizeOutput(&stdErr);
sanitizeOutput(&stdOut);
if (process.exitStatus() != QProcess::NormalExit || process.exitCode() != 0) {
if (!stdErr.isEmpty())
qDebug("%s", stdErr.constData());
if (!stdOut.isEmpty())
qDebug("%s", stdOut.constData());
}
return process.exitStatus() == QProcess::NormalExit ? process.exitCode() : -1;
}
qbs::Version TestClangDb::clangVersion()
{
QByteArray stdErr;
QByteArray stdOut;
if (runProcess("clang-check", QStringList("--version"), stdErr, stdOut) != 0)
return qbs::Version();
stdOut.remove(0, stdOut.indexOf("LLVM version ") + 13);
stdOut.truncate(stdOut.indexOf('\n'));
return qbs::Version::fromString(QString::fromLocal8Bit(stdOut));
}
TestClangDb::TestClangDb() : TestBlackboxBase(SRCDIR "/testdata-clangdb", "blackbox-clangdb"),
projectDir(QDir::cleanPath(testDataDir + "/project1")),
projectFileName("project.qbs"),
buildDir(QDir::cleanPath(projectDir + "/" + relativeBuildDir())),
sourceFilePath(QDir::cleanPath(projectDir + "/i like spaces.cpp")),
dbFilePath(QDir::cleanPath(buildDir + "/compile_commands.json"))
{
}
void TestClangDb::initTestCase()
{
TestBlackboxBase::initTestCase();
QDir::setCurrent(projectDir);
}
void TestClangDb::ensureBuildTreeCreated()
{
QCOMPARE(runQbs(), 0);
QVERIFY(QFile::exists(buildDir));
isMsvc = m_qbsStdout.contains("is msvc");
isMingw = m_qbsStdout.contains("is mingw");
if (isMsvc || isMingw) {
sanitizeOutput(&m_qbsStdout);
const auto lines = m_qbsStdout.split('\n');
for (const auto &line : lines) {
static const QByteArray includeEnv = "INCLUDE=";
static const QByteArray libEnv = "LIB=";
static const QByteArray pathEnv = "PATH=";
if (line.startsWith(includeEnv))
processEnvironment.insert("INCLUDE", line.mid(includeEnv.size()));
if (line.startsWith(libEnv))
processEnvironment.insert("LIB", line.mid(libEnv.size()));
if (line.startsWith(pathEnv))
processEnvironment.insert("PATH", line.mid(pathEnv.size()));
}
}
}
void TestClangDb::checkCanGenerateDb()
{
QbsRunParameters params;
params.command = "generate";
params.arguments << "--generator" << "clangdb";
QCOMPARE(runQbs(params), 0);
QVERIFY(QFile::exists(dbFilePath));
}
void TestClangDb::checkDbIsValidJson()
{
QFile file(dbFilePath);
QVERIFY(file.open(QFile::ReadOnly));
const QJsonDocument doc = QJsonDocument::fromJson(file.readAll());
QVERIFY(!doc.isNull());
QVERIFY(doc.isArray());
}
void TestClangDb::checkDbIsConsistentWithProject()
{
QFile file(dbFilePath);
QVERIFY(file.open(QFile::ReadOnly));
const QJsonDocument doc = QJsonDocument::fromJson(file.readAll());
// We expect only one command for now
const QJsonArray array = doc.array();
QVERIFY(array.size() == 1);
// Validate the "command object"
const QJsonObject entry = array.at(0).toObject();
QVERIFY(entry.contains("directory"));
QVERIFY(entry.value("directory").isString());
QVERIFY(entry.contains("arguments"));
QVERIFY(entry.value("arguments").isArray());
QVERIFY(entry.value("arguments").toArray().size() >= 2);
QVERIFY(entry.contains("file"));
QVERIFY(entry.value("file").isString());
QVERIFY(entry.value("file").toString() == sourceFilePath);
// Validate the compile command itself, this requires a previous build since the command
// line contains 'deep' path that are created during Qbs build run
QByteArray stdErr;
QByteArray stdOut;
QStringList arguments;
const QJsonArray jsonArguments = entry.value("arguments").toArray();
QString executable = jsonArguments.at(0).toString();
for (int i=1; i<jsonArguments.size(); i++)
arguments.push_back(jsonArguments.at(i).toString());
QVERIFY(runProcess(executable, arguments, stdErr, stdOut) == 0);
}
// Run clang-check, should give 2 warnings:
// <...>/i like spaces.cpp:11:5: warning: Assigned value is garbage or undefined
// int unused = garbage;
// ^~~~~~~~~~ ~~~~~~~
// <...>/i like spaces.cpp:11:9: warning: Value stored to 'unused' during its initialization is never read
// int unused = garbage;
// ^~~~~~ ~~~~~~~
// 2 warnings generated.
void TestClangDb::checkClangDetectsSourceCodeProblems()
{
QByteArray stdErr;
QByteArray stdOut;
QStringList arguments;
const QString executable = findExecutable(QStringList("clang-check"));
if (executable.isEmpty())
QSKIP("No working clang-check executable found");
// Older clang versions do not support the "arguments" array in the compilation database.
// Should we really want to support them, we would have to fall back to "command" instead.
if (clangVersion() < qbs::Version(3, 7))
QSKIP("This test requires clang-check to be based on at least LLVM 3.7.0.");
// clang-check.exe does not understand MSVC command-line syntax
if (isMsvc)
arguments << "-extra-arg-before=--driver-mode=cl";
else if (isMingw)
arguments << "-extra-arg-before=--driver-mode=g++";
arguments << "-analyze" << "-p" << relativeBuildDir() << sourceFilePath;
QVERIFY(runProcess(executable, arguments, stdErr, stdOut) == 0);
const QString output = QString::fromLocal8Bit(stdErr);
QVERIFY(output.contains(QRegularExpression(QStringLiteral("warning.*undefined"),
QRegularExpression::CaseInsensitiveOption)));
QVERIFY(output.contains(QRegularExpression(QStringLiteral("warning.*never read"),
QRegularExpression::CaseInsensitiveOption)));
}
QTEST_MAIN(TestClangDb)
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