diagnosticsettest.cpp 6.77 KB
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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://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 http://www.qt.io/terms-conditions.  For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights.  These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

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#include <clangbackendipc_global.h>
#include <diagnosticcontainer.h>
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#include <diagnosticset.h>
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#include <fixitcontainer.h>
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#include <projectpart.h>
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#include <projects.h>
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#include <sourcelocation.h>
#include <sourcelocationcontainer.h>
#include <sourcerangecontainer.h>
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#include <clangtranslationunit.h>
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#include <translationunits.h>
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#include <unsavedfiles.h>

#include <clang-c/Index.h>

#include <gmock/gmock.h>
#include <gmock/gmock-matchers.h>
#include <gtest/gtest.h>
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#include "matcher-diagnosticcontainer.h"
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#include "gtest-qt-printing.h"

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using ::testing::Contains;
using ::testing::Not;
using ::testing::PrintToString;

using ::ClangBackEnd::Diagnostic;
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using ::ClangBackEnd::DiagnosticSet;
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using ::ClangBackEnd::DiagnosticContainer;
using ::ClangBackEnd::FixItContainer;
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using ::ClangBackEnd::ProjectPart;
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using ::ClangBackEnd::SourceLocation;
using ::ClangBackEnd::SourceLocationContainer;
using ::ClangBackEnd::TranslationUnit;
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using ::ClangBackEnd::UnsavedFiles;

namespace {

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const Utf8String headerFilePath = Utf8StringLiteral(TESTDATA_DIR"/diagnostic_diagnosticset_header.cpp");

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class DiagnosticSet : public ::testing::Test
{
protected:
    ProjectPart projectPart{Utf8StringLiteral("projectPartId"), {Utf8StringLiteral("-pedantic")}};
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    ClangBackEnd::ProjectParts projects;
    ClangBackEnd::UnsavedFiles unsavedFiles;
    ClangBackEnd::TranslationUnits translationUnits{projects, unsavedFiles};
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    TranslationUnit translationUnit{Utf8StringLiteral(TESTDATA_DIR"/diagnostic_diagnosticset.cpp"),
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                                    projectPart,
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                                    Utf8StringVector(),
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                                    translationUnits};
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    TranslationUnit translationUnitMainFile{Utf8StringLiteral(TESTDATA_DIR"/diagnostic_diagnosticset_mainfile.cpp"),
                                            projectPart,
                                            Utf8StringVector(),
                                            translationUnits};
    ::DiagnosticSet diagnosticSetWithChildren{translationUnitMainFile.diagnostics()};

protected:
    enum ChildMode { WithChild, WithoutChild };
    DiagnosticContainer expectedDiagnostic(ChildMode childMode) const;
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};

TEST_F(DiagnosticSet, SetHasContent)
{
    const auto set = translationUnit.diagnostics();

    ASSERT_THAT(set.size(), 1);
}

TEST_F(DiagnosticSet, MoveConstructor)
{
    auto set = translationUnit.diagnostics();

    const auto set2 = std::move(set);

    ASSERT_TRUE(set.isNull());
    ASSERT_FALSE(set2.isNull());
}

TEST_F(DiagnosticSet, MoveAssigment)
{
    auto set = translationUnit.diagnostics();

    auto set2 = std::move(set);
    set = std::move(set2);

    ASSERT_TRUE(set2.isNull());
    ASSERT_FALSE(set.isNull());
}

TEST_F(DiagnosticSet, MoveSelfAssigment)
{
    auto set = translationUnit.diagnostics();

    set = std::move(set);

    ASSERT_FALSE(set.isNull());
}

TEST_F(DiagnosticSet, FirstElementEqualBegin)
{
    auto set = translationUnit.diagnostics();

    ASSERT_TRUE(set.front() == *set.begin());
}

TEST_F(DiagnosticSet, BeginIsUnequalEnd)
{
    auto set = translationUnit.diagnostics();

    ASSERT_TRUE(set.begin() != set.end());
}

TEST_F(DiagnosticSet, BeginPlusOneIsEqualEnd)
{
    auto set = translationUnit.diagnostics();

    ASSERT_TRUE(++set.begin() == set.end());
}

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TEST_F(DiagnosticSet, ToDiagnosticContainersLetThroughByDefault)
{
    const auto diagnosticContainerWithoutChild = expectedDiagnostic(WithChild);

    const auto diagnostics = translationUnitMainFile.diagnostics().toDiagnosticContainers();

    ASSERT_THAT(diagnostics, Contains(IsDiagnosticContainer(diagnosticContainerWithoutChild)));
}

TEST_F(DiagnosticSet, ToDiagnosticContainersFiltersOutTopLevelItem)
{
    const auto acceptNoDiagnostics = [](const Diagnostic &) { return false; };

    const auto diagnostics = diagnosticSetWithChildren.toDiagnosticContainers(acceptNoDiagnostics);

    ASSERT_TRUE(diagnostics.isEmpty());
}

TEST_F(DiagnosticSet, ToDiagnosticContainersFiltersOutChildren)
{
    const auto diagnosticContainerWithoutChild = expectedDiagnostic(WithoutChild);
    const auto acceptMainFileDiagnostics = [this](const Diagnostic &diagnostic) {
        return diagnostic.location().filePath() == translationUnitMainFile.filePath();
    };

    const auto diagnostics = diagnosticSetWithChildren.toDiagnosticContainers(acceptMainFileDiagnostics);

    ASSERT_THAT(diagnostics, Contains(IsDiagnosticContainer(diagnosticContainerWithoutChild)));
}

DiagnosticContainer DiagnosticSet::expectedDiagnostic(DiagnosticSet::ChildMode childMode) const
{
    QVector<DiagnosticContainer> children;
    if (childMode == WithChild) {
        const auto child = DiagnosticContainer(
            Utf8StringLiteral("note: previous definition is here"),
            Utf8StringLiteral("Semantic Issue"),
            {Utf8String(), Utf8String()},
            ClangBackEnd::DiagnosticSeverity::Note,
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            SourceLocationContainer(headerFilePath, 1, 6),
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            {},
            {},
            {}
        );
        children.append(child);
    }

    return DiagnosticContainer(
        Utf8StringLiteral("error: redefinition of 'f'"),
        Utf8StringLiteral("Semantic Issue"),
        {Utf8String(), Utf8String()},
        ClangBackEnd::DiagnosticSeverity::Error,
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        SourceLocationContainer(translationUnitMainFile.filePath(), 3, 6),
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        {},
        {},
        children
    );
}

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}