Add test that adding same product only increment amount

simara-svatopluk · Dec 17, 2017 · e8135a0 · e8135a0
1 parent a7de3c2
commit e8135a0
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/tests/Domain/CartTest.php b/tests/Domain/CartTest.php
@@ -42,4 +42,16 @@ public function testAddTwoDifferentProducts()
 
         Assert::assertEquals($expected, $cart->calculate());
     }
+
+    public function testAddSameProductIncrementAmountOnly()
+    {
+        $cart = new Cart();
+        $cart->add('a', new Price(10.0));
+        $cart->add('a', new Price(0.0));
+
+        $expectedItem = new DetailItem('a', new Price(10.0), 2);
+        $expected = new CartDetail([$expectedItem], new Price(20.0));
+
+        Assert::assertEquals($expected, $cart->calculate());
+    }
 }