checkstyle fix

src/test/java/core/basesyntax/handler/BalanceOperationHandlerTest.java

@@ -3,12 +3,16 @@
 import core.basesyntax.db.Storage;
 import core.basesyntax.model.Fruit;
 import core.basesyntax.model.FruitTransaction;
-import org.junit.jupiter.api.*;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
 
 class BalanceOperationHandlerTest {
     private static Fruit apple;
     private static OperationHandler balanceOperationHandler;
     private static FruitTransaction fruitTransaction;
+
     @BeforeAll
     static void setUp() {
         apple = new Fruit("apple");

src/test/java/core/basesyntax/handler/PurchaseOperationHandlerTest.java

@@ -12,6 +12,7 @@ class PurchaseOperationHandlerTest {
     private static Fruit apple;
     private static OperationHandler purchaseOperationHandler;
     private static FruitTransaction fruitTransaction;
+
     @BeforeAll
     static void setUp() {
         apple = new Fruit("apple");

src/test/java/core/basesyntax/handler/ReturnOperationHandlerTest.java

@@ -3,17 +3,22 @@
 import core.basesyntax.db.Storage;
 import core.basesyntax.model.Fruit;
 import core.basesyntax.model.FruitTransaction;
-import org.junit.jupiter.api.*;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
 
 class ReturnOperationHandlerTest {
     private static Fruit apple;
     private static OperationHandler returnOperationHandler;
     private static FruitTransaction fruitTransaction;
+
     @BeforeAll
     static void setUp() {
         apple = new Fruit("apple");
         returnOperationHandler = new ReturnOperationHandler();
         fruitTransaction = new FruitTransaction();
+        Storage.storage.clear();
     }
 
     @AfterEach

src/test/java/core/basesyntax/handler/SupplyOperationHandlerTest.java

@@ -3,7 +3,10 @@
 import core.basesyntax.db.Storage;
 import core.basesyntax.model.Fruit;
 import core.basesyntax.model.FruitTransaction;
-import org.junit.jupiter.api.*;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
 
 class SupplyOperationHandlerTest {
     private static Fruit apple;

src/test/java/core/basesyntax/service/impl/OperationProcessorServiceTest.java

@@ -23,6 +23,7 @@ class OperationProcessorServiceTest {
     private static Map<FruitTransaction.Operation, OperationHandler> handlerMap;
     private static Fruit banana;
     private static Fruit apple;
+
     @BeforeAll
     static void beforeAll() {
         banana = new Fruit("banana");
@@ -38,8 +39,8 @@ static void beforeAll() {
 
     @Test
     void processValidTransactions() {
-        int initialBananaBalance = Storage.storage.get(banana);
-        int initialAppleBalance = Storage.storage.get(apple);
+        final int initialBananaBalance = Storage.storage.get(banana);
+        final int initialAppleBalance = Storage.storage.get(apple);
         int quantity = 25;
         FruitTransaction transaction1 = new FruitTransaction();
         transaction1.setFruit(banana);

src/test/java/core/basesyntax/service/impl/ReportServiceImplTest.java

@@ -15,6 +15,7 @@ class ReportServiceImplTest {
     @BeforeEach
      void setUp() {
         reportService = new ReportServiceImpl();
+        Storage.storage.clear();
     }
 
     @AfterEach

src/test/java/core/basesyntax/validation/impl/OutputValidatorImplTest.java

@@ -13,7 +13,6 @@ static void setUp() {
         outputValidator = new OutputValidatorImpl();
     }
 
-
     @Test
     void validFileValidation_Ok() {
         String validFileForTest = "src/test/java/resources/OutputValidatorValidTest.csv";
@@ -37,7 +36,7 @@ void invalidQuantity_NotOk() {
 
     @Test
     void noDataInFile_NotOk() {
-        String noDataFile  = "src/test/java/resources/NullFile.csv";
+        String noDataFile = "src/test/java/resources/NullFile.csv";
         Assert.assertThrows(RuntimeException.class,
                 () -> outputValidator.validateFile(noDataFile));
     }