From fa55a3b11979c5ea7b09ec190ab578fa7846b331 2017-06-07 13:51:50
From: Alexandre Leroux <aleroux@itlink.fr>
Date: 2017-06-07 13:51:50
Subject: [PATCH] Unit tests for plugin loading (2)

Tests implementation

---

diff --git a/core/tests/Plugin/TestPluginManager.cpp b/core/tests/Plugin/TestPluginManager.cpp
new file mode 100644
index 0000000..40facb8
--- /dev/null
+++ b/core/tests/Plugin/TestPluginManager.cpp
@@ -0,0 +1,81 @@
+#include <Plugin/PluginManager.h>
+
+#include <QObject>
+#include <QtTest>
+
+#include <QtDebug>
+
+namespace {
+
+/// Path for the tests
+const auto TESTS_RESOURCES_PATH = QFileInfo{
+    QString{SCQCORE_TESTS_RESOURCES_PATH},
+    "Plugin/TestPluginManager"}.absoluteFilePath();
+
+QString pluginDirPath(const QString &pluginDirName)
+{
+    return QFileInfo{TESTS_RESOURCES_PATH, pluginDirName}.absoluteFilePath();
+}
+
+} // namespace
+
+class TestPluginManager : public QObject {
+    Q_OBJECT
+private slots:
+    /// Defines data for plugin loading
+    /// @sa testLoadPlugin()
+    void testLoadPlugin_data();
+
+    /// Tests plugin loading
+    void testLoadPlugin();
+};
+
+void TestPluginManager::testLoadPlugin_data()
+{
+    // ////////////// //
+    // Test structure //
+    // ////////////// //
+
+    // Name of directory containing the plugins
+    QTest::addColumn<QString>("pluginDirName");
+    // Number of loaded plugins expected
+    QTest::addColumn<int>("nbPluginsLoaded");
+
+    // ////////// //
+    // Test cases //
+    // ////////// //
+
+    QTest::newRow("Valid plugin") << QStringLiteral("Test_ValidPlugin") << 1;
+
+    // Two different plugins
+    QTest::newRow("Valid plugins") << QStringLiteral("Test_ValidPlugins") << 2;
+
+    // Two plugins with the same name: we expect that only one is loaded
+    QTest::newRow("Duplicated plugins") << QStringLiteral("Test_DuplicatedPlugins") << 1;
+
+    QTest::newRow("Invalid plugin (not a DLL)") << QStringLiteral("Test_InvalidFileType") << 0;
+    QTest::newRow("Invalid plugin (not a SciQlop DLL)")
+        << QStringLiteral("Test_NotSciqlopDll") << 0;
+    QTest::newRow("Invalid plugin (missing metadata)")
+        << QStringLiteral("Test_MissingPluginMetadata") << 0;
+}
+
+void TestPluginManager::testLoadPlugin()
+{
+    QFETCH(QString, pluginDirName);
+    QFETCH(int, nbPluginsLoaded);
+
+    // Generates plugin dir
+    auto pluginDir = QDir{pluginDirPath(pluginDirName)};
+    QVERIFY(pluginDir.exists());
+
+    // Load plugins
+    PluginManager pluginManager{};
+    pluginManager.loadPlugins(pluginDir);
+
+    // Check the number of plugins loaded
+    QCOMPARE(pluginManager.nbPluginsLoaded(), nbPluginsLoaded);
+}
+
+QTEST_MAIN(TestPluginManager)
+#include "TestPluginManager.moc"