From 6a9565e12c1601c0be8e1cbb11603264359033dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Va=C5=88ura?= <jano.vano@gmail.com>
Date: Wed, 15 Dec 2021 09:04:03 +0100
Subject: [PATCH] Fix mall pay order item discount

---
 src/Price.php                    |  2 --
 tests/unit/MallPay/OrderTest.php | 43 +++++++++++++++++++++++++++++++-
 tests/unit/PriceTest.php         | 11 --------
 3 files changed, 42 insertions(+), 14 deletions(-)

diff --git a/src/Price.php b/src/Price.php
index 902a410..24f3ae8 100644
--- a/src/Price.php
+++ b/src/Price.php
@@ -16,8 +16,6 @@ public function __construct(
 		Currency $currency
 	)
 	{
-		Validator::checkNumberPositiveOrZero($amount);
-
 		$this->amount = $amount;
 		$this->currency = $currency;
 	}
diff --git a/tests/unit/MallPay/OrderTest.php b/tests/unit/MallPay/OrderTest.php
index b534073..b281c19 100644
--- a/tests/unit/MallPay/OrderTest.php
+++ b/tests/unit/MallPay/OrderTest.php
@@ -33,11 +33,28 @@ public function testEncode(): void
 			20,
 			'https://obchod.cz/produkt/123-345'
 		);
+		$order->addItem(
+			'discount',
+			null,
+			'Sleva',
+			OrderItemType::get(OrderItemType::DISCOUNT),
+			2,
+			null,
+			null,
+			null,
+			null,
+			-50,
+			-100,
+			null,
+			0,
+			0,
+			null
+		);
 		$order->addAddress('Slevomat', Country::get(Country::CZE), 'Praha 8', 'Pernerova 691/42', 'xxx', '186 00', AddressType::get(AddressType::BILLING));
 
 		$expected = [
 			'totalPrice' => [
-				'amount' => 200,
+				'amount' => 100,
 				'currency' => 'EUR',
 			],
 			'totalVat' => [
@@ -46,6 +63,11 @@ public function testEncode(): void
 					'currency' => 'EUR',
 					'vatRate' => 20,
 				],
+				[
+					'amount' => 0,
+					'currency' => 'EUR',
+					'vatRate' => 0,
+				],
 			],
 			'addresses' => [
 				[
@@ -89,6 +111,25 @@ public function testEncode(): void
 					],
 					'productUrl' => 'https://obchod.cz/produkt/123-345',
 				],
+				[
+					'code' => 'discount',
+					'name' => 'Sleva',
+					'totalPrice' => [
+						'amount' => -100,
+						'currency' => 'EUR',
+					],
+					'totalVat' => [
+						'amount' => 0,
+						'currency' => 'EUR',
+						'vatRate' => 0,
+					],
+					'type' => 'DISCOUNT',
+					'quantity' => 2,
+					'unitPrice' => [
+						'amount' => -50,
+						'currency' => 'EUR',
+					],
+				],
 			],
 			'deliveryType' => 'DELIVERY_CARRIER',
 			'carrierId' => 'TNT',
diff --git a/tests/unit/PriceTest.php b/tests/unit/PriceTest.php
index 0bc3e17..8f436c2 100644
--- a/tests/unit/PriceTest.php
+++ b/tests/unit/PriceTest.php
@@ -2,7 +2,6 @@
 
 namespace SlevomatCsobGateway;
 
-use InvalidArgumentException;
 use PHPUnit\Framework\TestCase;
 
 class PriceTest extends TestCase
@@ -23,14 +22,4 @@ public function testEncode(): void
 		self::assertSame(['amount' => 123, 'currency' => 'USD'], $price->encode());
 	}
 
-	public function testValidation(): void
-	{
-		try {
-			new Price(-123, Currency::get(Currency::USD));
-			self::fail();
-		} catch (InvalidArgumentException $e) {
-			self::assertSame('Value is negative.', $e->getMessage());
-		}
-	}
-
 }