add new eet and qt 6.12

tests/shop_tests.cpp

@@ -2,6 +2,9 @@
 #include <QtTest>
 
 #include "data/voucher.h"
+#ifdef PRODEJNA_EET_V4
+#include "eet/eetv4adapter.h"
+#endif
 
 class ShopTests : public QObject
 {
@@ -45,6 +48,52 @@ private slots:
 
         QVERIFY(qAbs(sum.totalPrice().toDouble() - 20.0) < 0.0001);
     }
+
+#ifdef PRODEJNA_EET_V4
+    void eetV4AdapterBuildsRequestFromVoucher()
+    {
+        Voucher voucher;
+        voucher.setNumSer(QStringLiteral("SHOP-42"));
+        voucher.setPayDateTime(QDateTime(QDate(2026, 10, 13),
+                                         QTime(20, 30),
+                                         Qt::OffsetFromUTC,
+                                         7200));
+        voucher.setTotalPrice(QDecDouble(QStringLiteral("19.90").toLatin1().constData()));
+
+        EetV4ShopConfig config;
+        config.endpoint = QUrl(QStringLiteral("https://eet.example.test/eet"));
+        config.taxpayerEic = QStringLiteral("CZ123456789");
+        config.unitId = 3;
+        config.cashRegisterId = QStringLiteral("KASA1");
+
+        EetV4SaleRequest request;
+        QString error;
+        QVERIFY2(EetV4ShopAdapter::createRequest(voucher, config, &request, &error),
+                 qPrintable(error));
+        QCOMPARE(request.receiptNumber, QStringLiteral("SHOP-42"));
+        QCOMPARE(request.totalSale.toString(), QStringLiteral("19.90"));
+        QCOMPARE(request.unitId, 3);
+        QCOMPARE(request.cashRegisterId, QStringLiteral("KASA1"));
+        QVERIFY(request.verificationMode);
+        QVERIFY(request.firstSubmission);
+    }
+
+    void eetV4AdapterRejectsInvalidConfiguration()
+    {
+        Voucher voucher;
+        voucher.setNumSer(QStringLiteral("SHOP-42"));
+        voucher.setPayDateTime(QDateTime::currentDateTime());
+        voucher.setTotalPrice(QDecDouble(QStringLiteral("1.00").toLatin1().constData()));
+
+        EetV4ShopConfig config;
+        config.endpoint = QUrl(QStringLiteral("http://not-tls.example.test/eet"));
+        EetV4SaleRequest request;
+        QString error;
+
+        QVERIFY(!EetV4ShopAdapter::createRequest(voucher, config, &request, &error));
+        QVERIFY(error.contains(QStringLiteral("HTTPS")));
+    }
+#endif
 };
 
 int main(int argc, char *argv[])