[ECP-9489] Write unit tests

Test/Unit/Model/ResourceModel/Invoice/InvoiceTest.php

@@ -0,0 +1,82 @@
+<?php
+/**
+ *
+ * Adyen Payment module (https://www.adyen.com/)
+ *
+ * Copyright (c) 2025 Adyen N.V. (https://www.adyen.com/)
+ * See LICENSE.txt for license details.
+ *
+ * Author: Adyen <[email protected]>
+ */
+
+namespace Adyen\Payment\Test\Helper\Unit\Model\ResourceModel\Invoice;
+
+use Adyen\Payment\Api\Data\InvoiceInterface;
+use Adyen\Payment\Model\ResourceModel\Invoice\Invoice;
+use Adyen\Payment\Test\Unit\AbstractAdyenTestCase;
+use Magento\Framework\App\ResourceConnection;
+use Magento\Framework\DB\Adapter\AdapterInterface;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\Model\ResourceModel\Db\Context;
+use PHPUnit\Framework\MockObject\MockObject;
+use Zend_Db_Select;
+
+class InvoiceTest extends AbstractAdyenTestCase
+{
+    private ?Invoice $invoiceResourceModel;
+    private Context|MockObject $contextMock;
+    private Zend_Db_Select|MockObject $zendSelectMock;
+    private AdapterInterface|MockObject $connectionMock;
+
+    /**
+     * @return void
+     */
+    protected function setUp(): void
+    {
+        $this->zendSelectMock = $this->createMock(Zend_Db_Select::class);
+
+        $this->connectionMock = $this->createMock(AdapterInterface::class);
+        $this->connectionMock->method('select')->willReturn($this->zendSelectMock);
+
+        $resourceConnectionMock = $this->createMock(ResourceConnection::class);
+        $resourceConnectionMock->method('getConnection')->willReturn($this->connectionMock);
+        $resourceConnectionMock->method('getTableName')->willReturn('adyen_invoice');
+
+        $this->contextMock = $this->createMock(Context::class);
+        $this->contextMock->method('getResources')->willReturn($resourceConnectionMock);
+
+        $this->invoiceResourceModel = new Invoice($this->contextMock);
+    }
+
+    /**
+     * @return void
+     */
+    protected function tearDown(): void
+    {
+        $this->invoiceResourceModel = null;
+    }
+
+    /**
+     * @return void
+     * @throws LocalizedException
+     */
+    public function testGetIdByPspreference()
+    {
+        $pspreference = 'abc_123456789';
+        $invoiceId = '1';
+
+        $this->zendSelectMock->method('from')
+            ->with('adyen_invoice', InvoiceInterface::ENTITY_ID)
+            ->willReturnSelf();
+        $this->zendSelectMock->method('where')
+            ->with('pspreference = :pspreference')
+            ->willReturnSelf();
+
+        $this->connectionMock->method('fetchOne')
+            ->with($this->zendSelectMock, [':pspreference' => $pspreference])
+            ->willReturn($invoiceId);
+
+        $result = $this->invoiceResourceModel->getIdByPspreference($pspreference);
+        $this->assertEquals($invoiceId, $result);
+    }
+}