[BAEL-3445] Added Background examples to Cucumber examples (#8319)

testing-modules/testing-libraries/src/main/java/com/baeldung/cucumber/books/BookStore.java

@@ -1,13 +1,9 @@
 package com.baeldung.cucumber.books;
 
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Collection;
-import java.util.List;
-import java.util.Objects;
 import java.util.stream.Collectors;
 
 public class BookStore {
-
     private List<Book> books = new ArrayList<>();
     
     public void addBook(Book book) {
@@ -20,7 +16,13 @@ public class BookStore {
     
     public List<Book> booksByAuthor(String author) {
         return books.stream()
-            .filter(book -> Objects.equals(author, book.getAuthor()))
+          .filter(book -> Objects.equals(author, book.getAuthor()))
-            .collect(Collectors.toList());
+          .collect(Collectors.toList());
+    }
+
+    public Optional<Book> bookByTitle(String title) {
+        return books.stream()
+          .filter(book -> book.getTitle().equals(title))
+          .findFirst();
     }
 }

testing-modules/testing-libraries/src/test/java/com/baeldung/cucumber/books/BookStoreRunSteps.java

@@ -1,7 +1,5 @@
 package com.baeldung.cucumber.books;
 
-import static org.junit.Assert.assertEquals;
-
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -12,10 +10,12 @@ import io.cucumber.java.en.Then;
 import io.cucumber.java.en.When;
 import io.cucumber.datatable.DataTable;
 
-public class BookStoreRunSteps {
+import static org.junit.Assert.*;
 
+public class BookStoreRunSteps {
     private BookStore store;
     private List<Book> foundBooks;
+    private Book foundBook;
     
     @Before
     public void setUp() {
@@ -23,19 +23,22 @@ public class BookStoreRunSteps {
         foundBooks = new ArrayList<>();
     }
     
+    @Given("^I have the following books in the store$")
+    public void haveBooksInTheStore(DataTable table) {
+        haveBooksInTheStoreByList(table);
+    }
+
     @Given("^I have the following books in the store by list$")
     public void haveBooksInTheStoreByList(DataTable table) {
-        
         List<List<String>> rows = table.asLists(String.class);
-        
+
         for (List<String> columns: rows) {
             store.addBook(new Book(columns.get(0), columns.get(1)));
         }
     }
-    
+
     @Given("^I have the following books in the store by map$")
     public void haveBooksInTheStoreByMap(DataTable table) {
-        
         List<Map<String, String>> rows = table.asMaps(String.class, String.class);
         
         for (Map<String, String> columns: rows) {
@@ -52,9 +55,24 @@ public class BookStoreRunSteps {
     public void searchForBooksByAuthor(String author) {
         foundBooks = store.booksByAuthor(author);
     }
+
+    @When("^I search for a book titled (.+)$")
+    public void searchForBookByTitle(String title) {
+        foundBook = store.bookByTitle(title).orElse(null);
+    }
     
     @Then("^I find (\\d+) books$")
     public void findBooks(int count) {
         assertEquals(count, foundBooks.size());
     }
+
+    @Then("^I find a book$")
+    public void findABook() {
+        assertNotNull(foundBook);
+    }
+
+    @Then("^I find no book$")
+    public void findNoBook() {
+        assertNull(foundBook);
+    }
 }

testing-modules/testing-libraries/src/test/resources/features/book-store-with-background.feature

@@ -0,0 +1,22 @@
+Feature: Book Store With Background
+  Background: The Book Store
+    Given I have the following books in the store
+      | The Devil in the White City          | Erik Larson |
+      | The Lion, the Witch and the Wardrobe | C.S. Lewis  |
+      | In the Garden of Beasts              | Erik Larson |
+
+  Scenario: Find books by author
+    When I search for books by author Erik Larson
+    Then I find 2 books
+
+  Scenario: Find books by author, but isn't there
+    When I search for books by author Marcel Proust
+    Then I find 0 books
+
+  Scenario: Find book by title
+    When I search for a book titled The Lion, the Witch and the Wardrobe
+    Then I find a book
+
+  Scenario: Find book by title, but isn't there
+    When I search for a book titled Swann's Way
+    Then I find no book

testing-modules/testing-libraries/src/test/resources/features/book-store-without-background.feature

@@ -0,0 +1,32 @@
+Feature: Book Store Without Background
+  Scenario: Find books by author
+    Given I have the following books in the store
+      | The Devil in the White City          | Erik Larson |
+      | The Lion, the Witch and the Wardrobe | C.S. Lewis  |
+      | In the Garden of Beasts              | Erik Larson |
+    When I search for books by author Erik Larson
+    Then I find 2 books
+
+  Scenario: Find books by author, but isn't there
+    Given I have the following books in the store
+      | The Devil in the White City          | Erik Larson |
+      | The Lion, the Witch and the Wardrobe | C.S. Lewis  |
+      | In the Garden of Beasts              | Erik Larson |
+    When I search for books by author Marcel Proust
+    Then I find 0 books
+
+  Scenario: Find book by title
+    Given I have the following books in the store
+      | The Devil in the White City          | Erik Larson |
+      | The Lion, the Witch and the Wardrobe | C.S. Lewis  |
+      | In the Garden of Beasts              | Erik Larson |
+    When I search for a book titled The Lion, the Witch and the Wardrobe
+    Then I find a book
+
+  Scenario: Find book by title, but isn't there
+    Given I have the following books in the store
+      | The Devil in the White City          | Erik Larson |
+      | The Lion, the Witch and the Wardrobe | C.S. Lewis  |
+      | In the Garden of Beasts              | Erik Larson |
+    When I search for a book titled Swann's Way
+    Then I find no book