[netinstall] Add tests

- Just some simple tests for the Items
- Test creation of package group from variant
- This needs Qt5::Gui to link because QStandardItem is a GUI class,
  although we can run the tests without a GUI.

src/modules/netinstall/CMakeLists.txt

@@ -16,3 +16,14 @@ calamares_add_plugin( netinstall
         yamlcpp
     SHARED_LIB
 )
+
+calamares_add_test(
+    netinstalltest
+    SOURCES
+        Tests.cpp
+        PackageTreeItem.cpp
+        PackageModel.cpp
+    LIBRARIES
+        Qt5::Gui
+)
+

src/modules/netinstall/Tests.cpp

@@ -0,0 +1,118 @@
+/* === This file is part of Calamares - <https://github.com/calamares> ===
+ *
+ *   Copyright 2020, Adriaan de Groot <groot@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "PackageTreeItem.h"
+
+#include "utils/Logger.h"
+#include "utils/Variant.h"
+#include "utils/Yaml.h"
+
+#include <QtTest/QtTest>
+
+class ItemTests : public QObject
+{
+    Q_OBJECT
+public:
+    ItemTests();
+    virtual ~ItemTests() {}
+
+private Q_SLOTS:
+    void initTestCase();
+
+    void testRoot();
+    void testPackage();
+    void testGroup();
+};
+
+ItemTests::ItemTests() {}
+
+void
+ItemTests::initTestCase()
+{
+    Logger::setupLogLevel( Logger::LOGDEBUG );
+}
+
+void
+ItemTests::testRoot()
+{
+    PackageTreeItem r;
+
+    QCOMPARE( r.isSelected(), Qt::Checked );
+    QCOMPARE( r.name(), QStringLiteral( "<root>" ) );
+    QCOMPARE( r.parentItem(), nullptr );
+}
+
+void
+ItemTests::testPackage()
+{
+    PackageTreeItem p( "bash", nullptr );
+
+    QCOMPARE( p.isSelected(), Qt::Unchecked );
+    QCOMPARE( p.packageName(), QStringLiteral( "bash" ) );
+    QVERIFY( p.name().isEmpty() );  // not a group
+    QCOMPARE( p.parentItem(), nullptr );
+    QCOMPARE( p.childCount(), 0 );
+    QVERIFY( !p.isHidden() );
+    QVERIFY( !p.isCritical() );
+
+    // This doesn't happen in normal constructions,
+    // because a package can't have children.
+    PackageTreeItem c( "zsh", &p );
+    QCOMPARE( c.isSelected(), Qt::Unchecked );
+    QCOMPARE( c.packageName(), QStringLiteral( "zsh" ) );
+    QVERIFY( c.name().isEmpty() );  // not a group
+    QCOMPARE( c.parentItem(), &p );
+
+    QCOMPARE( p.childCount(), 0 );  // not noticed it has a child
+}
+
+// *INDENT-OFF*
+// clang-format off
+static const char doc[] =
+"- name: \"CCR\"\n"
+"  description: \"Tools for the Chakra Community Repository\"\n"
+"  packages:\n"
+"    - ccr\n"
+"    - base-devel\n";
+// *INDENT-ON*
+// clang-format on
+
+void
+ItemTests::testGroup()
+{
+    YAML::Node yamldoc = YAML::Load( doc );
+    QVariantList yamlContents = CalamaresUtils::yamlSequenceToVariant( yamldoc );
+
+    QCOMPARE( yamlContents.length(), 1 );
+
+    PackageTreeItem p( yamlContents[ 0 ].toMap(), nullptr );
+    QCOMPARE( p.name(), QStringLiteral( "CCR" ) );
+    QVERIFY( p.packageName().isEmpty() );
+    QVERIFY( p.description().startsWith( QStringLiteral( "Tools " ) ) );
+    QCOMPARE( p.parentItem(), nullptr );
+    QVERIFY( !p.isHidden() );
+    QVERIFY( !p.isCritical() );
+    // The item-constructor doesn't consider the packages: list
+    QCOMPARE( p.childCount(), 0 );
+}
+
+QTEST_GUILESS_MAIN( ItemTests )
+
+#include "utils/moc-warnings.h"
+
+#include "Tests.moc"