diff --git a/tests/test-wc-retailcrm-loyalty.php b/tests/test-wc-retailcrm-loyalty.php
index 82b9605..795bf59 100644
--- a/tests/test-wc-retailcrm-loyalty.php
+++ b/tests/test-wc-retailcrm-loyalty.php
@@ -43,7 +43,7 @@ class WC_Retailcrm_Loyalty_Test extends WC_Retailcrm_Test_Case_Helper
 
         $this->apiMock = $this->getMockBuilder('\WC_Retailcrm_Client_V5')
             ->disableOriginalConstructor()
-            ->setMethods(['customersGet', 'getLoyaltyAccountList', 'createLoyaltyAccount', 'activateLoyaltyAccount', 'calculateDiscountLoyalty', 'getSingleSiteForKey'])
+            ->setMethods(['customersGet', 'getLoyaltyAccountList', 'createLoyaltyAccount', 'activateLoyaltyAccount', 'calculateDiscountLoyalty', 'getSingleSiteForKey', 'applyBonusToOrder'])
             ->getMock()
         ;
 
@@ -227,10 +227,226 @@ class WC_Retailcrm_Loyalty_Test extends WC_Retailcrm_Test_Case_Helper
 
     public function testCreateLoyaltyCouponWithRefreshCoupon()
     {
+        $products = DataLoyaltyRetailCrm::createProducts();
+        $user = DataLoyaltyRetailcrm::createUsers()[0];
 
+        $cart = new WC_Cart();
+        $cart->add_to_cart($products[0]->get_id());
+        $cart->add_to_cart($products[1]->get_id());
+
+        $coupon = new WC_Coupon();
+        $coupon->set_usage_limit(0);
+        $coupon->set_amount('50');
+        $coupon->set_email_restrictions($user->get_email());
+        $coupon->set_code('pl' . mt_rand());
+        $coupon->save();
+        $cart->apply_coupon($coupon->get_code());
+
+        $couponCode = $coupon->get_code();
+        $woocommerce = wc();
+        $woocommerce->cart = $cart;
+        $woocommerce->customer = $user;
+
+        $validatorMock = $this->getMockBuilder('\WC_Retailcrm_Loyalty_Validator')
+            ->disableOriginalConstructor()
+            ->getMock()
+        ;
+        $this->setMockResponse($validatorMock, 'checkAccount', true);
+        $validatorMock->loyaltyAccount['level']['type'] = 'discount';
+
+        $responseCalculation = DataLoyaltyRetailCrm::getDataCalculation()[1];
+        $responseMock = new WC_Retailcrm_Response(200, json_encode($responseCalculation['response']));
+        $this->setMockResponse($this->apiMock, 'calculateDiscountLoyalty', $responseMock);
+
+        $this->loyalty = new WC_Retailcrm_Loyalty($this->apiMock, []);
+        $reflection = new \ReflectionClass($this->loyalty);
+        $reflection_property = $reflection->getProperty('validator');
+        $reflection_property->setAccessible(true);
+        $reflection_property->setValue($this->loyalty, $validatorMock);
+
+        $GLOBALS['woocommerce'] = $woocommerce;
+        $result = $this->loyalty->createLoyaltyCoupon(true);
+
+        $this->assertEmpty($result);
+        $this->assertNotEmpty($this->loyalty->getCouponLoyalty($woocommerce->customer->get_email()));
+
+        $coupons = $woocommerce->cart->get_coupons();
+
+        $this->assertNotEmpty($coupons);
+        $this->assertFalse(isset($coupons[$couponCode]));
     }
 
+    public function testDeleteLoyaltyCouponInOrder()
+    {
+        $products = DataLoyaltyRetailCrm::createProducts();
+        $user = DataLoyaltyRetailcrm::createUsers()[0];
 
+        $coupon = new WC_Coupon();
+        $coupon->set_usage_limit(0);
+        $coupon->set_amount('50');
+        $coupon->set_email_restrictions($user->get_email());
+        $coupon->set_code('pl' . mt_rand());
+        $coupon->save();
+
+        $wcOrder = wc_create_order([
+            'status'        => null,
+            'customer_id'   => $user->get_id(),
+            'customer_note' => null,
+            'parent'        => null,
+            'created_via'   => null,
+            'cart_hash'     => null,
+            'order_id'      => 0,
+        ]);
+
+        $wcOrder->add_product($products[0]);
+        $wcOrder->add_product($products[1]);
+        $wcOrder->apply_coupon($coupon->get_code());
+        $wcOrder->calculate_totals();
+        $wcOrder->save();
+
+        $this->assertNotEmpty($wcOrder->get_coupons());
+        $this->loyalty->deleteLoyaltyCouponInOrder($wcOrder);
+        $this->assertEmpty($wcOrder->get_coupons());
+
+        $wcOrder->delete(true);
+    }
+
+    public function testApplyLoyaltyDiscountWithBonuses()
+    {
+        $products = DataLoyaltyRetailCrm::createProducts();
+        $user = DataLoyaltyRetailcrm::createUsers()[0];
+
+        $wcOrder = wc_create_order([
+            'status'        => null,
+            'customer_id'   => $user->get_id(),
+            'customer_note' => null,
+            'parent'        => null,
+            'created_via'   => null,
+            'cart_hash'     => null,
+            'order_id'      => 0,
+        ]);
+
+        $wcOrder->add_product($products[0]);
+        $wcOrder->add_product($products[1]);
+        $wcOrder->calculate_totals();
+        $wcOrder->save();
+
+        foreach ($wcOrder->get_items() as $id => $item) {
+            $currentItemsPrice[$id] = $item->get_total();
+            $itemIds[] = $id;
+        }
+
+        $createdCrmOrderResponse = ['site' => 'test', 'externalId' => 1, 'items' => [['discounts' => [],], ['discounts' => []]]];
+        $response = new WC_Retailcrm_Response(
+            200,
+            json_encode([
+                'order' => [
+                    'items' => [
+                        [
+                            'externalIds' => [
+                                [
+                                    'value' => '11_' . $itemIds[0]
+                                ]
+                            ],
+                            'discounts' => [
+                                [
+                                    'type' => 'bonus_charge',
+                                    'amount' => 25
+                                ]
+                            ]
+                        ],
+                        [
+                            'externalIds' => [
+                                [
+                                    'value' => '22_' . $itemIds[1]
+                                ]
+                            ],
+                            'discounts' => [
+                                [
+                                    'type' => 'bonus_charge',
+                                    'amount' => 25
+                                ]
+                            ]
+                        ]
+                    ]
+                ]
+            ])
+        );
+
+        $this->setMockResponse($this->apiMock, 'applyBonusToOrder', $response);
+        $this->loyalty = new WC_Retailcrm_Loyalty($this->apiMock, []);
+
+        $this->loyalty->applyLoyaltyDiscount($wcOrder, 50, $createdCrmOrderResponse);
+
+        foreach ($wcOrder->get_items() as $id => $item) {
+            $this->assertNotEquals($item->get_total(), $currentItemsPrice[$id]);
+        }
+    }
+
+    public function testApplyLoyaltyDiscountWithPercentDiscount()
+    {
+        $products = DataLoyaltyRetailCrm::createProducts();
+        $user = DataLoyaltyRetailcrm::createUsers()[0];
+
+        $wcOrder = wc_create_order([
+            'status'        => null,
+            'customer_id'   => $user->get_id(),
+            'customer_note' => null,
+            'parent'        => null,
+            'created_via'   => null,
+            'cart_hash'     => null,
+            'order_id'      => 0,
+        ]);
+
+        $wcOrder->add_product($products[0]);
+        $wcOrder->add_product($products[1]);
+        $wcOrder->calculate_totals();
+        $wcOrder->save();
+
+        foreach ($wcOrder->get_items() as $id => $item) {
+            $currentItemsPrice[$id] = $item->get_total();
+            $itemIds[] = $id;
+        }
+
+        $createdCrmOrderResponse = [
+            'site' => 'test',
+            'externalId' => 1,
+            'items' => [
+                [
+                    'externalIds' => [
+                        [
+                            'value' => '11_' . $itemIds[0]
+                        ]
+                    ],
+                    'discounts' => [
+                        [
+                            'type' => 'loyalty_level',
+                            'amount' => 25
+                        ]
+                    ]
+                ],
+                [
+                    'externalIds' => [
+                        [
+                            'value' => '22_' . $itemIds[1]
+                        ]
+                    ],
+                    'discounts' => [
+                        [
+                            'type' => 'loyalty_level',
+                            'amount' => 25
+                        ]
+                    ]
+                ]
+            ]
+        ];
+
+        $this->loyalty->applyLoyaltyDiscount($wcOrder, 0, $createdCrmOrderResponse);
+
+        foreach ($wcOrder->get_items() as $id => $item) {
+            $this->assertNotEquals($item->get_total(), $currentItemsPrice[$id]);
+        }
+    }
 
     private function getPrivateMethod($method, $class)
     {