ClangCodeModel: Move fix-it tests into plugin

Change-Id: If53df602a42d8c1ffde5db6c8cb1e7fc269bb272
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/clangcodemodel/CMakeLists.txt

@@ -47,6 +47,7 @@ extend_qtc_plugin(ClangCodeModel
   SOURCES
     test/clangbatchfileprocessor.cpp test/clangbatchfileprocessor.h
     test/clangdtests.cpp test/clangdtests.h
+    test/clangfixittest.cpp test/clangfixittest.h
     test/data/clangtestdata.qrc
 )
 

src/plugins/clangcodemodel/clangcodemodel.qbs

@@ -101,6 +101,8 @@ QtcPlugin {
             "clangbatchfileprocessor.h",
             "clangdtests.cpp",
             "clangdtests.h",
+            "clangfixittest.cpp",
+            "clangfixittest.h",
             "data/clangtestdata.qrc",
         ]
     }

src/plugins/clangcodemodel/clangcodemodelplugin.cpp

@@ -32,6 +32,7 @@
 #ifdef WITH_TESTS
 #  include "test/clangbatchfileprocessor.h"
 #  include "test/clangdtests.h"
+#  include "test/clangfixittest.h"
 #endif
 
 #include <coreplugin/actionmanager/actioncontainer.h>
@@ -215,6 +216,7 @@ QVector<QObject *> ClangCodeModelPlugin::createTestObjects() const
         new Tests::ClangdTestHighlighting,
         new Tests::ClangdTestLocalReferences,
         new Tests::ClangdTestTooltips,
+        new Tests::ClangFixItTest,
     };
 }
 #endif

src/plugins/clangcodemodel/test/clangfixittest.cpp

@@ -0,0 +1,116 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 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 "clangfixittest.h"
+
+#include "../clangfixitoperation.h"
+
+#include <clangsupport/fixitcontainer.h>
+#include <utils/changeset.h>
+
+#include <QFile>
+#include <QtTest>
+#include <QVector>
+
+using ClangBackEnd::FixItContainer;
+
+namespace ClangCodeModel::Internal::Tests {
+
+static QString qrcPath(const QString &relativeFilePath)
+{
+    return QLatin1String(":/unittests/ClangCodeModel/") + relativeFilePath;
+}
+
+static QString diagnosticText() { return QString("expected ';' at end of declaration"); }
+
+void ClangFixItTest::testDescription()
+{
+    ClangFixItOperation operation(diagnosticText(), {semicolonFixIt()});
+    QCOMPARE(operation.description(),
+             QLatin1String("Apply Fix: expected ';' at end of declaration"));
+}
+
+QString ClangFixItTest::semicolonFilePath() const
+{
+    return m_dataDir->absolutePath("diagnostic_semicolon_fixit.cpp");
+}
+
+QString ClangFixItTest::compareFilePath() const
+{
+    return m_dataDir->absolutePath("diagnostic_comparison_fixit.cpp");
+}
+
+QString ClangFixItTest::fileContent(const QByteArray &relFilePath) const
+{
+    QFile file(m_dataDir->absolutePath(relFilePath));
+    const bool isOpen = file.open(QFile::ReadOnly | QFile::Text);
+    if (!isOpen)
+        qDebug() << "File with the unsaved content cannot be opened!";
+    return QString::fromUtf8(file.readAll());
+}
+
+FixItContainer ClangFixItTest::semicolonFixIt() const
+{
+    return {Utf8StringLiteral(";"), {{semicolonFilePath(), 3u, 13u},
+                                     {semicolonFilePath(), 3u, 13u}}};
+}
+
+void ClangFixItTest::init()
+{
+    m_dataDir.reset(new CppEditor::Tests::TemporaryCopiedDir(qrcPath("fixits")));
+}
+
+void ClangFixItTest::testAppendSemicolon()
+{
+    ClangFixItOperation operation(diagnosticText(), {semicolonFixIt()});
+    operation.perform();
+    QCOMPARE(operation.firstRefactoringFileContent_forTestOnly(),
+             fileContent("diagnostic_semicolon_fixit_expected.cpp"));
+}
+
+void ClangFixItTest::testComparisonVersusAssignmentChooseComparison()
+{
+    const FixItContainer compareFixIt{Utf8StringLiteral("=="), {{compareFilePath(), 4u, 11u},
+                                                                {compareFilePath(), 4u, 12u}}};
+    ClangFixItOperation operation(diagnosticText(), {compareFixIt});
+    operation.perform();
+    QCOMPARE(operation.firstRefactoringFileContent_forTestOnly(),
+             fileContent("diagnostic_comparison_fixit_expected1.cpp"));
+}
+
+void ClangFixItTest::testComparisonVersusAssignmentChooseParentheses()
+{
+    const FixItContainer assignmentFixItParenLeft{Utf8StringLiteral("("),
+        {{compareFilePath(), 4u, 9u}, {compareFilePath(), 4u, 9u}}};
+    const FixItContainer assignmentFixItParenRight{Utf8StringLiteral(")"),
+        {{compareFilePath(), 4u, 14u}, {compareFilePath(), 4u, 14u}}};
+    ClangFixItOperation operation(diagnosticText(), {assignmentFixItParenLeft,
+                                                     assignmentFixItParenRight});
+    operation.perform();
+    QCOMPARE(operation.firstRefactoringFileContent_forTestOnly(),
+             fileContent("diagnostic_comparison_fixit_expected2.cpp"));
+}
+
+} // namespace ClangCodeModel::Internal::Tests

src/plugins/clangcodemodel/test/clangfixittest.h

@@ -0,0 +1,60 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 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.
+**
+****************************************************************************/
+
+#pragma once
+
+#include <cppeditor/cpptoolstestcase.h>
+
+#include <QObject>
+#include <QScopedPointer>
+#include <QString>
+
+namespace ClangBackEnd { class FixItContainer; }
+
+namespace ClangCodeModel::Internal::Tests {
+
+class ClangFixItTest : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void init();
+    void testAppendSemicolon();
+    void testComparisonVersusAssignmentChooseComparison();
+    void testComparisonVersusAssignmentChooseParentheses();
+    void testDescription();
+
+private:
+    QString semicolonFilePath() const;
+    QString compareFilePath() const;
+    QString fileContent(const QByteArray &relFilePath) const;
+
+    ClangBackEnd::FixItContainer semicolonFixIt() const;
+
+private:
+    QScopedPointer<CppEditor::Tests::TemporaryCopiedDir> m_dataDir;
+};
+
+} // namespace ClangCodeModel::Internal::Tests

src/plugins/clangcodemodel/test/data/clangtestdata.qrc

@@ -55,5 +55,10 @@
         <file>completion/preprocessorKeywordsCompletion3.cpp</file>
         <file>completion/privateFuncDefCompletion.cpp</file>
         <file>highlighting/highlightingmarks.h</file>
+        <file>fixits/diagnostic_comparison_fixit_expected1.cpp</file>
+        <file>fixits/diagnostic_comparison_fixit_expected2.cpp</file>
+        <file>fixits/diagnostic_comparison_fixit.cpp</file>
+        <file>fixits/diagnostic_semicolon_fixit_expected.cpp</file>
+        <file>fixits/diagnostic_semicolon_fixit.cpp</file>
     </qresource>
 </RCC>

src/plugins/clangcodemodel/test/data/fixits/diagnostic_comparison_fixit.cpp

@@ -0,0 +1,5 @@
+void function()
+{
+    int i = 0;
+    if (i = 3) {}
+}

src/plugins/clangcodemodel/test/data/fixits/diagnostic_comparison_fixit_expected1.cpp

@@ -0,0 +1,5 @@
+void function()
+{
+    int i = 0;
+    if (i == 3) {}
+}

src/plugins/clangcodemodel/test/data/fixits/diagnostic_comparison_fixit_expected2.cpp

@@ -0,0 +1,5 @@
+void function()
+{
+    int i = 0;
+    if ((i = 3)) {}
+}

src/plugins/clangcodemodel/test/data/fixits/diagnostic_semicolon_fixit.cpp

@@ -0,0 +1,4 @@
+int function()
+{
+    return 3
+}

src/plugins/clangcodemodel/test/data/fixits/diagnostic_semicolon_fixit_expected.cpp

@@ -0,0 +1,4 @@
+int function()
+{
+    return 3;
+}