new unit tests, hehe 67

Signed-off-by: galeon <dertiellis@gmail.com>

tests/unit/tst_modloader.cpp

@@ -0,0 +1,46 @@
+#include "testenv.h"
+
+#include "modloader.h"
+
+class TestModLoader : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void keysRoundTrip()
+    {
+        for (ModLoader loader : {ModLoader::Forge, ModLoader::Fabric, ModLoader::NeoForge, ModLoader::Quilt}) {
+            const auto back = loaderFromKey(loaderKey(loader));
+            QVERIFY(back.has_value());
+            QCOMPARE(*back, loader);
+            QVERIFY(!loaderTitle(loader).isEmpty());
+        }
+    }
+
+    void knownKeys()
+    {
+        QCOMPARE(loaderKey(ModLoader::Forge), QStringLiteral("forge"));
+        QCOMPARE(loaderKey(ModLoader::Fabric), QStringLiteral("fabric"));
+        QCOMPARE(loaderKey(ModLoader::NeoForge), QStringLiteral("neoforge"));
+        QCOMPARE(loaderKey(ModLoader::Quilt), QStringLiteral("quilt"));
+        QCOMPARE(loaderTitle(ModLoader::NeoForge), QStringLiteral("NeoForge"));
+    }
+
+    void unknownKeys()
+    {
+        QVERIFY(!loaderFromKey(QString()).has_value());
+        QVERIFY(!loaderFromKey(QStringLiteral("Forge")).has_value());   // регистр важен
+        QVERIFY(!loaderFromKey(QStringLiteral("liteloader")).has_value());
+    }
+
+    void entryDefaults()
+    {
+        const LoaderVersionEntry entry;
+        QVERIFY(entry.stable);
+        QVERIFY(!entry.recommended);
+        QVERIFY(entry.installerUrl.isEmpty());
+    }
+};
+
+BILAUNCHER_TEST_MAIN(TestModLoader)
+#include "tst_modloader.moc"