UpdateInfo: Add some auto test

Change-Id: If97121bda98e1b09f093d0bcc8f60efb1aa18235
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

9 files changed, 271 insertions, 116 deletions

diff --git a/src/plugins/updateinfo/CMakeLists.txt b/src/plugins/updateinfo/CMakeLists.txt
index fe43e0be09..fadca2cd6a 100644
--- a/src/plugins/updateinfo/CMakeLists.txt
+++ b/src/plugins/updateinfo/CMakeLists.txt
@@ -3,6 +3,10 @@ add_qtc_plugin(UpdateInfo
   PLUGIN_DEPENDS Core
   PLUGIN_JSON_IN UPDATEINFO_EXPERIMENTAL_STR=true
   SOURCES
-    settingspage.cpp settingspage.h settingspage.ui
-    updateinfoplugin.cpp updateinfoplugin.h
+    settingspage.cpp
+    settingspage.h
+    settingspage.ui
+    updateinfoplugin.cpp
+    updateinfoplugin.h
+    updateinfotools.h
 )
diff --git a/src/plugins/updateinfo/updateinfo.qbs b/src/plugins/updateinfo/updateinfo.qbs
index 5253039dbc..2dbae1933a 100644
--- a/src/plugins/updateinfo/updateinfo.qbs
+++ b/src/plugins/updateinfo/updateinfo.qbs
@@ -12,10 +12,11 @@ QtcPlugin {
     pluginJsonReplacements: ({"UPDATEINFO_EXPERIMENTAL_STR": (enable ? "false": "true")})
 
     files: [
-        "updateinfoplugin.cpp",
-        "updateinfoplugin.h",
         "settingspage.cpp",
         "settingspage.h",
         "settingspage.ui",
+        "updateinfoplugin.cpp",
+        "updateinfoplugin.h",
+        "updateinfotools.h",
     ]
 }
diff --git a/src/plugins/updateinfo/updateinfoplugin.cpp b/src/plugins/updateinfo/updateinfoplugin.cpp
index e2271ad396..743802f370 100644
--- a/src/plugins/updateinfo/updateinfoplugin.cpp
+++ b/src/plugins/updateinfo/updateinfoplugin.cpp
@@ -23,9 +23,11 @@
 **
 ****************************************************************************/
 
-#include "settingspage.h"
 #include "updateinfoplugin.h"
 
+#include "settingspage.h"
+#include "updateinfotools.h"
+
 #include <coreplugin/actionmanager/actioncontainer.h>
 #include <coreplugin/actionmanager/actionmanager.h>
 #include <coreplugin/coreconstants.h>
@@ -181,107 +183,6 @@ void UpdateInfoPlugin::collectCheckForUpdatesOutput(const QString &contents)
     d->m_collectedOutput += contents;
 }
 
-struct Update
-{
-    QString name;
-    QString version;
-};
-
-static QList<Update> availableUpdates(const QDomDocument &document)
-{
-    if (document.isNull() || !document.firstChildElement().hasChildNodes())
-        return {};
-    QList<Update> result;
-    const QDomNodeList updates = document.firstChildElement().elementsByTagName("update");
-    for (int i = 0; i < updates.size(); ++i) {
-        const QDomNode node = updates.item(i);
-        if (node.isElement()) {
-            const QDomElement element = node.toElement();
-            if (element.hasAttribute("name"))
-                result.append({element.attribute("name"), element.attribute("version")});
-        }
-    }
-    return result;
-}
-
-struct QtPackage
-{
-    QString displayName;
-    QVersionNumber version;
-    bool installed;
-    bool isPrerelease = false;
-};
-
-static QList<QtPackage> availableQtPackages(const QDomDocument &document)
-{
-    if (document.isNull() || !document.firstChildElement().hasChildNodes())
-        return {};
-    QList<QtPackage> result;
-    const QDomNodeList packages = document.firstChildElement().elementsByTagName("package");
-    for (int i = 0; i < packages.size(); ++i) {
-        const QDomNode node = packages.item(i);
-        if (node.isElement()) {
-            const QDomElement element = node.toElement();
-            if (element.hasAttribute("displayname") && element.hasAttribute("name")
-                && element.hasAttribute("version")) {
-                QtPackage package{element.attribute("displayname"),
-                                  QVersionNumber::fromString(element.attribute("version")),
-                                  element.hasAttribute("installedVersion")};
-                // Heuristic: Prerelease if the name is not "Qt x.y.z"
-                // (prereleases are named "Qt x.y.z-alpha" etc)
-                package.isPrerelease = package.displayName
-                                       != QString("Qt %1").arg(package.version.toString());
-                result.append(package);
-            }
-        }
-    }
-    std::sort(result.begin(), result.end(), [](const QtPackage &p1, const QtPackage &p2) {
-        return p1.version > p2.version;
-    });
-    return result;
-}
-
-// Expects packages to be sorted, high version first.
-static Utils::optional<QtPackage> highestInstalledQt(const QList<QtPackage> &packages)
-{
-    const auto highestInstalledIt = std::find_if(packages.cbegin(),
-                                                 packages.cend(),
-                                                 [](const QtPackage &p) { return p.installed; });
-    if (highestInstalledIt == packages.cend()) // Qt not installed
-        return {};
-    return *highestInstalledIt;
-}
-
-// Expects packages to be sorted, high version first.
-static Utils::optional<QtPackage> qtToNagAbout(const QList<QtPackage> &allPackages,
-                                               QVersionNumber *highestSeen)
-{
-    // Filter out any Qt prereleases
-    const QList<QtPackage> packages = Utils::filtered(allPackages, [](const QtPackage &p) {
-        return !p.isPrerelease;
-    });
-    if (packages.isEmpty())
-        return {};
-    const QtPackage highest = packages.constFirst();
-    qCDebug(log) << "Highest available (non-prerelease) Qt:" << highest.version;
-    qCDebug(log) << "Highest previously seen (non-prerelease) Qt:" << *highestSeen;
-    // if the highestSeen version is null, we don't know if the Qt version is new, and better don't nag
-    const bool isNew = !highestSeen->isNull() && highest.version > *highestSeen;
-    if (highestSeen->isNull() || isNew)
-        *highestSeen = highest.version;
-    if (!isNew)
-        return {};
-    const Utils::optional<QtPackage> highestInstalled = highestInstalledQt(packages);
-    qCDebug(log) << "Highest installed Qt:"
-                 << qPrintable(highestInstalled ? highestInstalled->version.toString()
-                                                : QString("none"));
-    if (!highestInstalled) // don't nag if no Qt is installed at all
-        return {};
-    if (highestInstalled->version == highest.version)
-        return {};
-    return highest;
-}
-
 static void showUpdateInfo(const QList<Update> &updates, const std::function<void()> &startUpdater)
 {
     Utils::InfoBarEntry info(InstallUpdates,
@@ -334,20 +235,14 @@ void UpdateInfoPlugin::checkForUpdatesFinished()
 {
     setLastCheckDate(QDate::currentDate());
 
-    QDomDocument document;
-    // since the output can contain two toplevel items from the two separate MaintenanceTool runs,
-    // surround with a toplevel element
-    const QString xml = d->m_collectedOutput.isEmpty()
-                            ? QString()
-                            : ("<doc>" + d->m_collectedOutput + "</doc>");
     qCDebug(log) << "--- MaintenanceTool output (combined):";
-    qCDebug(log) << qPrintable(xml);
-    document.setContent(xml);
+    qCDebug(log) << qPrintable(d->m_collectedOutput);
+    std::unique_ptr<QDomDocument> document = documentForResponse(d->m_collectedOutput);
 
     stopCheckForUpdates();
 
-    const QList<Update> updates = availableUpdates(document);
-    const QList<QtPackage> qtPackages = availableQtPackages(document);
+    const QList<Update> updates = availableUpdates(*document);
+    const QList<QtPackage> qtPackages = availableQtPackages(*document);
     if (log().isDebugEnabled()) {
         qCDebug(log) << "--- Available updates:";
         for (const Update &u : updates)
diff --git a/src/plugins/updateinfo/updateinfotools.h b/src/plugins/updateinfo/updateinfotools.h
new file mode 100644
index 0000000000..66ad2eb3ac
--- /dev/null
+++ b/src/plugins/updateinfo/updateinfotools.h
@@ -0,0 +1,163 @@
+/****************************************************************************
+**
+** 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 <utils/algorithm.h>
+#include <utils/optional.h>
+
+#include <QDomDocument>
+#include <QList>
+#include <QLoggingCategory>
+#include <QVersionNumber>
+
+#include <memory>
+
+Q_DECLARE_LOGGING_CATEGORY(log)
+
+std::unique_ptr<QDomDocument> documentForResponse(const QString &response)
+{
+    // since the output can contain two toplevel items from the two separate MaintenanceTool runs,
+    // surround with a toplevel element
+    const QString xml = response.isEmpty() ? QString() : ("<doc>" + response + "</doc>");
+    std::unique_ptr<QDomDocument> doc(new QDomDocument);
+    doc->setContent(xml);
+    return doc;
+}
+
+struct Update
+{
+    QString name;
+    QString version;
+
+    bool operator==(const Update &other) const
+    {
+        return other.name == name && other.version == version;
+    };
+};
+
+QList<Update> availableUpdates(const QDomDocument &document)
+{
+    if (document.isNull() || !document.firstChildElement().hasChildNodes())
+        return {};
+    QList<Update> result;
+    const QDomNodeList updates = document.firstChildElement().elementsByTagName("update");
+    for (int i = 0; i < updates.size(); ++i) {
+        const QDomNode node = updates.item(i);
+        if (node.isElement()) {
+            const QDomElement element = node.toElement();
+            if (element.hasAttribute("name"))
+                result.append({element.attribute("name"), element.attribute("version")});
+        }
+    }
+    return result;
+}
+
+struct QtPackage
+{
+    QString displayName;
+    QVersionNumber version;
+    bool installed;
+    bool isPrerelease = false;
+
+    bool operator==(const QtPackage &other) const
+    {
+        return other.installed == installed && other.isPrerelease == isPrerelease
+               && other.version == version && other.displayName == displayName;
+    }
+};
+
+QList<QtPackage> availableQtPackages(const QDomDocument &document)
+{
+    if (document.isNull() || !document.firstChildElement().hasChildNodes())
+        return {};
+    QList<QtPackage> result;
+    const QDomNodeList packages = document.firstChildElement().elementsByTagName("package");
+    for (int i = 0; i < packages.size(); ++i) {
+        const QDomNode node = packages.item(i);
+        if (node.isElement()) {
+            const QDomElement element = node.toElement();
+            if (element.hasAttribute("displayname") && element.hasAttribute("name")
+                && element.hasAttribute("version")) {
+                QtPackage package{element.attribute("displayname"),
+                                  QVersionNumber::fromString(element.attribute("version")),
+                                  element.hasAttribute("installedVersion")};
+                // Heuristic: Prerelease if the name is not "Qt x.y.z"
+                // (prereleases are named "Qt x.y.z-alpha" etc)
+                package.isPrerelease = package.displayName
+                                       != QString("Qt %1").arg(package.version.toString());
+                result.append(package);
+            }
+        }
+    }
+    std::sort(result.begin(), result.end(), [](const QtPackage &p1, const QtPackage &p2) {
+        return p1.version > p2.version;
+    });
+    return result;
+}
+
+// Expects packages to be sorted, high version first.
+Utils::optional<QtPackage> highestInstalledQt(const QList<QtPackage> &packages)
+{
+    const auto highestInstalledIt = std::find_if(packages.cbegin(),
+                                                 packages.cend(),
+                                                 [](const QtPackage &p) { return p.installed; });
+    if (highestInstalledIt == packages.cend()) // Qt not installed
+        return {};
+    return *highestInstalledIt;
+}
+
+// Expects packages to be sorted, high version first.
+Utils::optional<QtPackage> qtToNagAbout(const QList<QtPackage> &allPackages,
+                                        QVersionNumber *highestSeen)
+{
+    // Filter out any Qt prereleases
+    const QList<QtPackage> packages = Utils::filtered(allPackages, [](const QtPackage &p) {
+        return !p.isPrerelease;
+    });
+    if (packages.isEmpty())
+        return {};
+    const QtPackage highest = packages.constFirst();
+    qCDebug(log) << "Highest available (non-prerelease) Qt:" << highest.version;
+    qCDebug(log) << "Highest previously seen (non-prerelease) Qt:" << *highestSeen;
+    // if the highestSeen version is null, we don't know if the Qt version is new, and better don't nag
+    const bool isNew = !highestSeen->isNull() && highest.version > *highestSeen;
+    if (highestSeen->isNull() || isNew)
+        *highestSeen = highest.version;
+    if (!isNew)
+        return {};
+    const Utils::optional<QtPackage> highestInstalled = highestInstalledQt(packages);
+    qCDebug(log) << "Highest installed Qt:"
+                 << qPrintable(highestInstalled ? highestInstalled->version.toString()
+                                                : QString("none"));
+    if (!highestInstalled) // don't nag if no Qt is installed at all
+        return {};
+    if (highestInstalled->version == highest.version)
+        return {};
+    return highest;
+}
+
+Q_DECLARE_METATYPE(Update)
+Q_DECLARE_METATYPE(QtPackage)
diff --git a/tests/auto/CMakeLists.txt b/tests/auto/CMakeLists.txt
index dcf51ff0a2..bc58a5b953 100644
--- a/tests/auto/CMakeLists.txt
+++ b/tests/auto/CMakeLists.txt
@@ -21,5 +21,6 @@ add_subdirectory(ssh)
 add_subdirectory(toolchaincache)
 add_subdirectory(tracing)
 add_subdirectory(treeviewfind)
+add_subdirectory(updateinfo)
 add_subdirectory(utils)
 add_subdirectory(valgrind)
diff --git a/tests/auto/auto.qbs b/tests/auto/auto.qbs
index c82d1df094..6526653ab8 100644
--- a/tests/auto/auto.qbs
+++ b/tests/auto/auto.qbs
@@ -24,6 +24,7 @@ Project {
         "toolchaincache/toolchaincache.qbs",
         "tracing/tracing.qbs",
         "treeviewfind/treeviewfind.qbs",
+        "updateinfo/updateinfo.qbs",
         "utils/utils.qbs",
         "valgrind/valgrind.qbs",
     ].concat(project.additionalAutotests)
diff --git a/tests/auto/updateinfo/CMakeLists.txt b/tests/auto/updateinfo/CMakeLists.txt
new file mode 100644
index 0000000000..e44adb8ff8
--- /dev/null
+++ b/tests/auto/updateinfo/CMakeLists.txt
@@ -0,0 +1,5 @@
+add_qtc_test(tst_updateinfo
+  INCLUDES ${PROJECT_SOURCE_DIR}/src/plugins
+  DEPENDS Utils Qt5::Xml
+  SOURCES tst_updateinfo.cpp
+)
diff --git a/tests/auto/updateinfo/tst_updateinfo.cpp b/tests/auto/updateinfo/tst_updateinfo.cpp
new file mode 100644
index 0000000000..55e61a16c2
--- /dev/null
+++ b/tests/auto/updateinfo/tst_updateinfo.cpp
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** 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.
+**
+****************************************************************************/
+
+#include <QtTest>
+
+#include <updateinfo/updateinfotools.h>
+
+Q_LOGGING_CATEGORY(log, "qtc.updateinfo", QtWarningMsg)
+
+class tst_UpdateInfo : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void updates_data();
+    void updates();
+};
+
+void tst_UpdateInfo::updates_data()
+{
+    QTest::addColumn<QString>("xml");
+    QTest::addColumn<QList<Update>>("xupdates");
+    QTest::addColumn<QList<QtPackage>>("xpackages");
+
+    QTest::newRow("updates and packages")
+        << R"raw(<updates>
+        <update name="Qt Design Studio 3.2.0" version="3.2.0-0-202203291247" size="3113234690" id="qt.tools.qtdesignstudio"/>
+        </updates>
+        <availablepackages>
+        <package name="qt.qt6.621" displayname="Qt 6.2.1" version="6.2.1-0-202110220854"/>
+        <package name="qt.qt5.5152" displayname="Qt 5.15.2" version="5.15.2-0-202011130607" installedVersion="5.15.2-0-202011130607"/>
+        <package name="qt.qt6.610" displayname="Qt 6.1.0-beta1" version="6.1.0-0-202105040922"/>
+        </availablepackages>)raw"
+        << QList<Update>({{"Qt Design Studio 3.2.0", "3.2.0-0-202203291247"}})
+        << QList<QtPackage>(
+               {{"Qt 6.2.1", QVersionNumber::fromString("6.2.1-0-202110220854"), false, false},
+                {"Qt 6.1.0-beta1", QVersionNumber::fromString("6.1.0-0-202105040922"), false, true},
+                {"Qt 5.15.2", QVersionNumber::fromString("5.15.2-0-202011130607"), true, false}});
+}
+
+void tst_UpdateInfo::updates()
+{
+    QFETCH(QString, xml);
+    QFETCH(QList<Update>, xupdates);
+    QFETCH(QList<QtPackage>, xpackages);
+
+    std::unique_ptr<QDomDocument> doc = documentForResponse(xml);
+    const QList<Update> updates = availableUpdates(*doc);
+    QCOMPARE(updates, xupdates);
+    const QList<QtPackage> packages = availableQtPackages(*doc);
+    QCOMPARE(packages, xpackages);
+}
+
+QTEST_GUILESS_MAIN(tst_UpdateInfo)
+
+#include "tst_updateinfo.moc"
diff --git a/tests/auto/updateinfo/updateinfo.qbs b/tests/auto/updateinfo/updateinfo.qbs
new file mode 100644
index 0000000000..9aa07dd28f
--- /dev/null
+++ b/tests/auto/updateinfo/updateinfo.qbs
@@ -0,0 +1,7 @@
+QtcAutotest {
+    name: "UpdateInfo autotest"
+    Depends { name: "Qt.xml" }
+    Depends { name: "Utils" }
+    files: "tst_updateinfo.cpp"
+    cpp.includePaths: base.concat(["../../../src/plugins"])
+}