Bael 7317 (#15415)

* BAEL-7226: Code for the improvements of the Percentages article.

* BAEL-7226: Rename Test to follow the convention

* BAEL-7317: Update the code to the latest versions of Spock, Groovy and the maven matching configuration

* BAEL-7317: Add code for the article improvements

testing-modules/groovy-spock/pom.xml

@@ -15,6 +15,12 @@
         <version>1.0.0-SNAPSHOT</version>
     </parent>
 
+    <properties>
+        <spock-core.version>2.4-M1-groovy-4.0</spock-core.version>
+        <groovy-all.version>4.0.16</groovy-all.version>
+        <gmavenplus-plugin.version>3.0.2</gmavenplus-plugin.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.spockframework</groupId>
@@ -23,9 +29,10 @@
             <scope>test</scope>
         </dependency>
         <dependency>
-            <groupId>org.codehaus.groovy</groupId>
+            <groupId>org.apache.groovy</groupId>
             <artifactId>groovy-all</artifactId>
             <version>${groovy-all.version}</version>
+            <type>pom</type>
         </dependency>
     </dependencies>
 
@@ -39,18 +46,34 @@
                     <execution>
                         <goals>
                             <goal>compile</goal>
-                            <goal>testCompile</goal>
+                            <goal>compileTests</goal>
                         </goals>
                     </execution>
                 </executions>
+                <configuration>
+                    <testSources>
+                        <testSource>
+                            <directory>${project.basedir}/src/test/groovy</directory>
+                            <includes>
+                                <include>**/*.groovy</include>
+                            </includes>
+                        </testSource>
+                    </testSources>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>3.2.2</version>
+                <configuration>
+                    <testSourceDirectory>src/test/groovy</testSourceDirectory>
+                    <includes>
+                        <include>**/*Specification.groovy</include>
+                        <include>**/*Test.groovy</include>
+                    </includes>
+                </configuration>
             </plugin>
         </plugins>
     </build>
 
-    <properties>
-        <spock-core.version>1.3-groovy-2.4</spock-core.version>
-        <groovy-all.version>2.4.7</groovy-all.version>
-        <gmavenplus-plugin.version>1.5</gmavenplus-plugin.version>
-    </properties>
-
 </project>

testing-modules/groovy-spock/src/main/java/mocks/Book.java

@@ -0,0 +1,11 @@
+package mocks;
+
+public class Book {
+    private String title;
+    private String author;
+
+    Book(String title, String author) {
+        this.title = title;
+        this.author = author;
+    }
+}

testing-modules/groovy-spock/src/main/java/mocks/BookRepository.java

@@ -0,0 +1,5 @@
+package mocks;
+
+public interface BookRepository {
+    Book findById(Long id);
+}

testing-modules/groovy-spock/src/main/java/mocks/BookService.java

@@ -0,0 +1,13 @@
+package mocks;
+
+public class BookService {
+    private final BookRepository repository;
+
+    public BookService(BookRepository repository) {
+        this.repository = repository;
+    }
+
+    public Book getBookDetails(Long id) {
+        return repository.findById(id);
+    }
+}

testing-modules/groovy-spock/src/main/java/mocks/MessageService.java

@@ -0,0 +1,7 @@
+package mocks;
+
+public class MessageService {
+    public String fetchMessage() {
+        return UtilityClass.getMessage();
+    }
+}

testing-modules/groovy-spock/src/main/java/mocks/ShoppingCart.java

@@ -0,0 +1,26 @@
+package mocks;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class ShoppingCart {
+    private final Map<String, Integer> items = new HashMap<>();
+    private double totalPrice = 0.0;
+
+    public void addItem(String item, int quantity) {
+        items.put(item, items.getOrDefault(item, 0) + quantity);
+        totalPrice += quantity * 2.00; // Example pricing
+    }
+
+    public int getTotalItems() {
+        return items.values().stream().mapToInt(Integer::intValue).sum();
+    }
+
+    public double getTotalPrice() {
+        return totalPrice;
+    }
+
+    public boolean containsItem(String item) {
+        return items.containsKey(item);
+    }
+}

testing-modules/groovy-spock/src/main/java/mocks/UtilityClass.java

@@ -0,0 +1,7 @@
+package mocks;
+
+public class UtilityClass {
+    public static String getMessage() {
+        return "Original Message";
+    }
+}

testing-modules/groovy-spock/src/test/groovy/extensions/ShoppingCartTest.groovy

@@ -0,0 +1,21 @@
+package extensions
+
+import mocks.ShoppingCart
+import spock.lang.Specification
+
+class ShoppingCartTest extends Specification {
+    def "verify multiple properties of a ShoppingCart"() {
+        given:
+        ShoppingCart cart = new ShoppingCart()
+        cart.addItem("Apple", 3)
+        cart.addItem("Banana", 2)
+
+        expect:
+        with(cart) {
+            totalItems == 5
+            totalPrice == 10.00
+            items.contains("Apple")
+            items.contains("Banana")
+        }
+    }
+}

testing-modules/groovy-spock/src/test/groovy/mocks/BookServiceTest.groovy

@@ -0,0 +1,25 @@
+package mocks
+
+import spock.lang.Specification
+
+
+class BookServiceTest extends Specification {
+    def "should retrieve book details and verify method calls"() {
+        given:
+        def bookRepository = Mock(BookRepository) {
+            findById(1L) >> new Book("Effective Java", "Joshua Bloch")
+            findById(2L) >> null
+        }
+        def bookService = new BookService(bookRepository)
+
+        when:
+        Book effectiveJava = bookService.getBookDetails(1L)
+        Book unknownBook = bookService.getBookDetails(2L)
+
+        then:
+        1 * bookRepository.findById(1L)
+        1 * bookRepository.findById(2L)
+        effectiveJava.title == "Effective Java"
+        unknownBook == null
+    }
+}

testing-modules/groovy-spock/src/test/groovy/mocks/MessageServiceTest.groovy

@@ -0,0 +1,20 @@
+package mocks
+
+import spock.lang.Specification
+
+
+class MessageServiceTest extends Specification {
+    def "should use global mock for UtilityClass"() {
+        given:
+        def utilityMock = GroovySpy(UtilityClass, global: true)
+        utilityMock.getMessage() >> "Mocked Message"
+
+        when:
+        MessageService service = new MessageService()
+        String message = service.fetchMessage()
+
+        then:
+        1 * utilityMock.getMessage()
+        message == "Mocked Message"
+    }
+}